CN201716269U - Device for determining chemiluminescence characteristics of solid particles oxidized by ozone - Google Patents
Device for determining chemiluminescence characteristics of solid particles oxidized by ozone Download PDFInfo
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- CN201716269U CN201716269U CN2010202322736U CN201020232273U CN201716269U CN 201716269 U CN201716269 U CN 201716269U CN 2010202322736 U CN2010202322736 U CN 2010202322736U CN 201020232273 U CN201020232273 U CN 201020232273U CN 201716269 U CN201716269 U CN 201716269U
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Abstract
The utility model provides a device for determining chemiluminescence characteristics of solid particles oxidized by ozone, which achieves the on-site real-time rapid detection of deposit or soil organic matter content and related data and solves the problems of the prior art, such as long detection period, high cost, large reagent consumption and environmental pollution. The utility model adopts a technical scheme that the device comprises a power supply device, a control circuit, external equipment, a serial bus and a reaction chamber, wherein a photomultiplier tube and a sample box are arranged on the reaction chamber, the device further comprises an ozone generator, the ozone generator is connected with the reaction chamber through a pipeline, and a solenoid valve is arranged on the pipeline between the ozone generator and the reaction chamber. The device as a laboratory study means provides the ozone oxidation kinetic characteristics of the matter to be investigated and promotes the deepened understanding and study of the investigated matter.
Description
Technical field
The utility model relates to the luminous and analysis technical field of chemical oxidation, specifically, is the instrument of measuring ozone oxidation solid particle deposits yields luminescence law.
Background technology
Present domestic detection sediment, claim substrate again, or the method for organic matter content in soil mainly is to carry out in the laboratory, adopt the analytical approach of the potassium bichromate titrimetric method of standard GB 9834-88 " soil organism determination method " and the standard NY/T85-1988 of the Ministry of Agriculture " soil organism determination method " recommendation, the instrument of this method and the use length that expends time in, analytic process is numerous and diverse, to operating personnel require height, environmental baseline harshness, reagent consumption big, produce secondary pollution etc.For the occasion that requires on-the site analysis, for example: be subjected to the region of organic pollutants, the contaminated degree difference of diverse location, difference is bigger, when needing to monitor in time and in a large number, this method is very restricted and retrains at aspects such as personnel, time, expenses.Some simple alternative methods exist principle problem and systematic error, have labile factor, and its result's accuracy and representativeness can not get guaranteeing.For sediment and soil organic matter feature, be meant the content and the ratio of active organic matter, organic carbon, organic contaminant, detection method more lacks with inaccurate, simply distinguishes and judges do not have unified standard and scientific quantitative foundation with physics method, chemical method and bioanalysis.
In recent years, along with electronic technology, new material, new technology, the development of new optical device, especially computer technology makes rapid progress, the corresponding appearance of method of adopting the potassium bichromate titrimetric method automatic analytical instrument and measuring sediment and soil organic matter based on the analyser of automatic titration system, but owing to there is not the support of new principle, some shortcomings of lab analysis have been broken away from though use the instrument of these methods, but the pattern from work on the spot also has a segment distance, big as reagent consumption, personnel require height to Operation and Maintenance, poor stability, sensitivity and resolution are low, the defective that environmental interference etc. are difficult to overcome does not truly realize the pattern of on-the-spot real-time continuous work.
Summary of the invention
The utility model proposes a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule, it can be on-the-spot, in real time, fast detecting sediment or organic matter content in soil and related data, solve the existing instrument detecting cycle long, expense is high, reagent consumption big and problem such as pollution is arranged.It can detect solid particulate matter and be produced luminous process by ozone oxidation, record and analysis luminescence law, component and content in the corresponding detected material.
The utility model is an instrument of measuring ozone oxidation solid particle deposits yields luminescence law, relate to the luminous and analytical technology of chemical oxidation, specifically solid particulate matter is as measured object, ozone is reacted produce luminous with it, utilize photosensitive device to measure the size and the Changing Pattern of luminous intensity, simulate the law curve equation by data handling system, the different equation that different measured objects are drawn is analyzed, the content of different elements in the corresponding measured object.
In order to reach the purpose that solves the problems of the technologies described above, the technical solution of the utility model is, a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule, comprise supply unit, control circuit, external unit, universal serial bus and reaction chamber, described reaction chamber is provided with photomultiplier and sample box, it is characterized in that: also be provided with ozone generator, described ozone generator is connected by pipeline with described reaction chamber, is provided with solenoid valve on the pipeline between described ozone generator and the described reaction chamber.
The pipeline of described ozone generator import is provided with vacuum pump and device for drying and filtering.
Also be provided with ozonolysis equipment, described ozonolysis equipment is communicated with the outlet and the described solenoid valve of described reaction chamber respectively by pipeline.
Drying agent in the described device for drying and filtering is a silica gel.
Be provided with seal between described reaction chamber and the described sample box.
Described photomultiplier transfers to control circuit with the detectable signal that collects, and control circuit carries out conversion process to detectable signal, and to generate analysis result transfer to described external unit by universal serial bus.
Described external unit is computing machine or microprocessor.
Described universal serial bus is RS485 or RS232 interface.
Ozone is a kind of strong oxidizer, the technology that the variation that utilizes ozone oxidation reaction that oxide is produced is analyzed be this field newer with technology focus.Particularly the luminescence law research of ozone oxidation oxide generation just as a kind of new research direction and means, is paid close attention to widely and is developed.
A kind of instrument that utilizes ozone oxidation luminescence to detect solid particle deposits yields chemiluminescence rule makes the abundant oxidation of ozone and measured object, detects the oxyluminescence process, record and analysis luminescence law, and the using method step of instrument of the present utility model is as follows:
(1). utilize ozone generator to produce ozone, after control makes the concentration of ozone and flow satisfy reaction conditions to require integration time, it is sent into reaction chamber;
(2). adopt quick assembling/disassembling mechanism, the measured object of packing into easily is to reaction chamber;
(3). ozone and measured object carry out oxidation reaction at reaction chamber, guarantee the contact area between ozone and the sample, and reaction chamber is carried out the optics sealing, survey luminous signal from detection window;
(4). the light intensity signal that sent of reaction is gathered, and converted to electric signal and send into the data processing instrument and handle;
(5). the signal Changing Pattern of gathering is simulated, draw the oxidation kinetics curve, the simulation curve that draws is carried out computational analysis, find out characteristic of correspondence.
(6). the state of control pump and valve, blow out residual ozone gas in reaction chamber and the pipeline, guarantee that next test job normally carries out.
The utility model can be divided into the two large divisions, and a part is made up of high concentration ozone generator, solenoid valve, reaction chamber etc.; Another part is made up of control circuit, photomultiplier and universal serial bus data processing software etc.
In the utility model, also have following technical characterictic: sample cell can load and unload easily and fast, and is easy to operate and use;
In the utility model, also has following technical characterictic: taked the multiple protective measure, cannot not open the photodetection part in the sealing at sample space, in order to avoid burn out device;
In the utility model, also has following technical characterictic: designed ozone concentration accumulation and set, satisfied reaction and open solenoid valve when requiring and send into reaction chamber running up to;
In the utility model, also has following technical characterictic: designed residue ozone cleaning program, emptied the residue ozone in pipeline and the reaction chamber, in order to avoid test is next time exerted an influence.
In the utility model, also has following technical characterictic: used ozonolysis equipment, ozone can not be entered in the air.
In the utility model, also has following technical characterictic: designed curve fitting procedure, the data fitting that draws is become oxyluminescence kinetic curve formula;
In the utility model, also has following technical characterictic: designed the curve processing program, extracted the index such as integration, derivative, slope of curve different phase, carried out corresponding with the measured object element different.
In the utility model, also has following technical characterictic: instrument is demarcated.Owing to be subjected to the influence of external environment, the ozone concentration of instrument, luminous sensitivity etc. have certain variation, for fear of the result who has influence on output, the standard for manual sampling sample is demarcated instrument, use standard model to test earlier, the numerical value that draws is as coefficient, and later data are revised with this coefficient, guarantees the stability of test result under different time, place, the environmental baseline.
A kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule of the utility model is a kind of new tool of studying solid particulate matter oxyluminescence characteristic.It is based on the ozone oxidation luminescence principle and carries out, be that using ozone reacts as strong oxidizer and measured object sample, by the low-light photoelectric conversion technique light signal that produces in the course of reaction is detected, fit to dynamic (dynamical) curve according to reaction principle, go out the various features of measured object from tracing analysis.
The utility model compared with prior art has the following advantages and good effect: simple and easy to use, need not add reagent, do not produce secondary pollution, avoided conventional method to require the high shortcoming of operating conditions, measured object content and feature accurately and rapidly, can be at the medium-term and long-term reliably working of common outdoor environment, the portable occasions such as vehicle-mounted, boat-carrying, factory and laboratory that are suitable for are used, and can carry out scene, real-time measurement to the measured object that needs detect.This instrument can be used as the laboratory study means, draws the ozone oxidation dynamic characteristic of the material that is studied, thereby deeply is familiar with and the research measured object.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1 is a kind of instrumentation diagram of measuring ozone oxidation solid particle deposits yields chemiluminescence rule of the utility model;
In Fig. 1: 1, supply unit; 2, injection port; 3, touch control flow; 4, reaction chamber; 5, sample box; 6, photomultiplier; 7, solenoid valve; 8, pipeline; 9, ozone generator; 10, pipeline; 11, vacuum pump; 12, device for drying and filtering; 13, universal serial bus; 14, ozonolysis equipment; 15, control circuit;
Fig. 2 is the reaction chamber in the utility model and the cut-open view of sample box;
In Fig. 2: 3-1, detection window; 4-1, reaction chamber seat; 4-2, ozone import; 4-3, O-ring seal; 5, sample box; 5-1, sample.
Fig. 3 is the process flow diagram that the utility model detects.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule, comprise supply unit 1, control circuit 15, external unit, universal serial bus 13 and reaction chamber 4, described reaction chamber 4 is provided with photomultiplier 6 and sample box 5, ozone generator 9 is connected by pipeline 8 with described reaction chamber 4, is provided with solenoid valve 7 on the pipeline 8 between described ozone generator 9 and the described reaction chamber 4.The pipeline 10 of described ozone generator 9 imports is provided with vacuum pump 11 and device for drying and filtering 12.Ozonolysis equipment 14 is communicated with the outlet and the described solenoid valve 7 of described reaction chamber 4 respectively by pipeline.
Drying agent in the described device for drying and filtering 12 is a silica gel.Be provided with seal 4-3 between described reaction chamber 4 and the described sample box 5.Described photomultiplier 6 transfers to control circuit 15 with the detectable signal that collects, and 15 pairs of detectable signals of control circuit carry out conversion process, and to generate analysis result transfer to described external unit by universal serial bus 13, external unit is not shown.Described external unit is computing machine or microprocessor.Described universal serial bus 13 is RS485 or RS232 interface.In the present embodiment, universal serial bus 13 is the RS232 interface.
A kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule, the process flow diagram that instrument detects as shown in Figure 3, and referring to Fig. 1 and Fig. 2.
After receiving the beginning test command, air enters ozone generator 9 through filtration and device for drying and filtering 12, produce ozone gas, by vacuum air pump 11 Control Flow and be pressed into solenoid valve 7, lead to ozonolysis equipment 14 at original state solenoid valve 7, ozone concentration sends the information that can begin next step after reaching requirement.Testing sample is carried out the sample box 5 of packing into after the pre-treatment by the sample detection requirement, send into example reaction chamber 4.Program prompts checks whether reaction chamber 4 seals, and confirms that the back starts solenoid valve 7 and photomultiplier 6, and ozone gas enters reaction chamber 4, and ozone and sample react, and produce chemiluminescence.This is luminous along with the time changes by dying down by force.Photomultiplier 6 is surveyed luminous whole process, and the Program Synchronization of control circuit 15 is carried out analyzing and processing, judges whether to satisfy termination condition, tests if satisfy then finish, and amount brought forward is handled according to one's analysis.This moment, ozone generator 9 stopped to produce ozone, closed photomultiplier 6 power supplys, pumped into air and washed out residual ozone gas in pipeline 8 and the reaction chamber 4.DAP simulates the oxidation kinetics curve then according to delta data, obtains the features relevant of curve, as the representation parameter of sample.
Referring to Fig. 2, the sample chamber of instrument and quick construct for handling figure.
Sample 5-1 is contained in the relevant position of sample box 5, is connected on the reaction chamber seat 4-1 with quick construct for handling, forms the reaction chamber space.Ozone import 4 feeds ozone, produces chemiluminescence reaction after running into sample 5-1, and the light that sends is accepted on the face to photomultiplier 6 by detection window 3-1, and reacted gas is discharged by outlet.Construct for handling is that sample box 5 is aimed at the reaction chamber seat 4-1 that packs into fast, and rotary sample box 5 compresses the boss of inclined-plane and reaction chamber seat 4-1 bottom.
The utility model examples measure method 1, the character of measured soil carbon.
(1). utilize ozone generator to produce ozone, the concentration of ozone is that 18mg/L and flow are 0.51/min, and the trend of solenoid control ozone before the reaction feeds ozone digestion instrument and carries out ozone and clear up, and in the time of need reacting ozone is imported reaction chamber.
(2). after tested soil carried out the pre-treatment of standard code, the sample cell of packing into utilized the quick-connect mechanism reaction chamber of packing into the sample cell that tested soil is housed;
(3). ozone and pedotheque carry out hybrid reaction at reaction chamber, guarantee can fully to contact between ozone and the pedotheque, and reaction chamber is carried out the optics sealing, survey luminous signal from detection window;
(4). utilize photomultiplier that the light intensity signal that sent of reaction is gathered, and convert electric signal to and send into data processing section and handle, whether finish according to condition judgment;
(5). the pump of control instrument, valve etc. wash away ability residue ozone in the pipeline;
(6). the log-on data routine analyzer, the data of gathering are carried out curve fitting, obtain the area of matched curve formula, multiply by coefficient 0.715 and be the content of tested pedotheque carbon.
The utility model examples measure method 2, the oxyluminescence feature of measurement variable grain matter sample.
(1). utilize ozone generator to produce ozone, the concentration of ozone is that 18mg/L and flow are 0.51/min, and the trend of solenoid control ozone feeds decomposer with ozone before the reaction and carries out the ozone decomposition, in the time of need reacting ozone is imported reaction chamber.
(2). after tested particle carried out the pre-treatment of standard code, the sample cell of packing into utilized the quick-connect mechanism reaction chamber of packing into the sample cell that tested particle is housed;
(3). ozone and aerosol sample carry out hybrid reaction at reaction chamber, guarantee can fully to contact between ozone and the aerosol sample, and reaction chamber is carried out the optics sealing, survey luminous signal from detection window;
(4). utilize photomultiplier that the light intensity signal that sent of reaction is gathered, and convert electric signal to and send into data processing section and handle, whether finish according to condition judgment;
(5). the pump of control instrument, valve etc. wash away ability residue ozone in the pipeline;
(6). the log-on data routine analyzer, the data of gathering are carried out curve fitting, obtain coefficient, maximal value, the area of matched curve formula, maximal value time corresponding etc.;
(7). the data that the obtain radar map that draws, as the oxyluminescence feature of tested aerosol sample;
(8). the luminescence feature of contrast variable grain matter sample, can distinguish the variations such as subordinate detailed outline kind, source, contaminated situation of sample.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule, comprise supply unit, control circuit, external unit, universal serial bus and reaction chamber, described reaction chamber is provided with photomultiplier and sample box, it is characterized in that: also be provided with ozone generator, described ozone generator is connected by pipeline with described reaction chamber, is provided with solenoid valve on the pipeline between described ozone generator and the described reaction chamber.
2. a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule according to claim 1, it is characterized in that: the pipeline of described ozone generator import is provided with vacuum pump and device for drying and filtering.
3. a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule according to claim 2, it is characterized in that: also be provided with ozonolysis equipment, described ozonolysis equipment is communicated with the outlet and the described solenoid valve of described reaction chamber respectively by pipeline.
4. a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule according to claim 3, it is characterized in that: the drying agent in the described device for drying and filtering is a silica gel.
5. a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule according to claim 1 is characterized in that: be provided with seal between described reaction chamber and the described sample box.
6. according to claim 2 or 3 described a kind of instruments of measuring ozone oxidation solid particle deposits yields chemiluminescence rule, it is characterized in that: described photomultiplier transfers to control circuit with the detectable signal that collects, control circuit carries out conversion process to detectable signal, and to generate analysis result transfer to described external unit by universal serial bus.
7. a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule according to claim 6, it is characterized in that: described external unit is computing machine or microprocessor.
8. a kind of instrument of measuring ozone oxidation solid particle deposits yields chemiluminescence rule according to claim 7, it is characterized in that: described universal serial bus is RS485 or RS232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010202322736U CN201716269U (en) | 2010-06-10 | 2010-06-10 | Device for determining chemiluminescence characteristics of solid particles oxidized by ozone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202322736U CN201716269U (en) | 2010-06-10 | 2010-06-10 | Device for determining chemiluminescence characteristics of solid particles oxidized by ozone |
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| CN201716269U true CN201716269U (en) | 2011-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491489A (en) * | 2011-12-05 | 2012-06-13 | 西安建筑科技大学 | Open type multichannel visual photocatalytic oxidation teaching experimental device |
| CN105044292A (en) * | 2015-08-14 | 2015-11-11 | 泰州市中环分析仪器有限公司 | Nitrogen element analyzer equipped with ozone thermal decomposition apparatus |
-
2010
- 2010-06-10 CN CN2010202322736U patent/CN201716269U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491489A (en) * | 2011-12-05 | 2012-06-13 | 西安建筑科技大学 | Open type multichannel visual photocatalytic oxidation teaching experimental device |
| CN102491489B (en) * | 2011-12-05 | 2013-04-03 | 西安建筑科技大学 | Open type multichannel visual photocatalytic oxidation teaching experimental device |
| CN105044292A (en) * | 2015-08-14 | 2015-11-11 | 泰州市中环分析仪器有限公司 | Nitrogen element analyzer equipped with ozone thermal decomposition apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20110610 |