CN202502050U - Three-dimensional fluorescence online detector of heavy metals - Google Patents
Three-dimensional fluorescence online detector of heavy metals Download PDFInfo
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- CN202502050U CN202502050U CN2012200870504U CN201220087050U CN202502050U CN 202502050 U CN202502050 U CN 202502050U CN 2012200870504 U CN2012200870504 U CN 2012200870504U CN 201220087050 U CN201220087050 U CN 201220087050U CN 202502050 U CN202502050 U CN 202502050U
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Abstract
The utility model relates to a three-dimensional fluorescence online detector of heavy metals. The detector comprises a spraying device, an all-fiber probe module, an emitting light filtering module, a light source module, an excitation monochromator module, an emission monochromator module, a detecting module and a data processing module, wherein the all-fiber probe module transmits a fluorescence signal of a detected sample to the emitting light filtering module through a submerged measuring optical fiber, an optical fiber connector, an emission optical fiber and an emission optical fiber coupler. The three-dimensional fluorescence online detector provided by the utility model utilizes an organic chelating agent of heavy metal to facilitate the fluorescence detection of the heavy metals in sewage, and the detector replaces the fixed measuring light path by all fiber, utilizes 8 filter plates with different disconnecting wavelengths to form a fluorescence filtering wheel and selects different filter plates according to different excitation wavelengths to filter the excitation light to the utmost, so as to reduce the influences of the excitation light on the fluorescence detection, finally the three-dimensional fluorescence online detection of the heavy metals in the sewage is realized. Three-dimensional fluorescence online detector provided by the utility model has the advantages of simplicity in operation, good selectivity and low cost.
Description
Technical field
The utility model relates to a kind of fluorescent spectroscopy and photoelectric detection technology field, relates in particular to a heavy metal species three-dimensional fluorescent on-line detecting instrument.
Background technology
Along with the quickening of Urbanization in China, treatment rate of domestic sewage improves year by year, and the sludge discharge of municipal sewage plant also sharply increases.After entering environment without the appropriate mud of handling; Directly bring secondary pollution to water body; This has not only reduced the effective processing capacity of sewage disposal system; And ecologic environment and mankind's activity constituted serious threat, the sludge of sewage treatment plants emission problem has become environment and has continued a key factor worsening.
Anaerobic digestion is sludge reduction, stabilization, the innoxious and resource technology that the most often uses, and key point is to produce sour methanogen in the anaerobic digestion, and it is very big to the influence of anaerobic digestion methane production to contain the mud of industrial waste water generation of chromium and copper.In a short time can be so that the aerogenesis variation, even aerogenesis is stopped, making inner product acid methanogen dead, system can't be run well.
To the heavy metal contaminants in the sewage be detected, at first will detect the information such as kind, concentration of pollutant.At present, the method for qualitative or detection by quantitative heavy metal contaminants is still with on-site sampling, and separate in the laboratory, and traditional laboratory detection method such as chromatograph is main again.In recent years, adopt the three-dimensional fluorescence instrument, obtain the not three-dimensional fluorescence spectrum of separated heavy metal contaminants, again the method that spectroscopic data is resolved has been obtained people's attention.
The three-dimensional fluorescence instrument is a kind of spectrometric instrument; It is to utilize to have light source to produce light behind excitation monochrometer; Shine on the sample to be detected, the fluorescent material in the excited sample sends fluorescence, and fluorescence is through after launching monochromator; Convert receiving end light signal into electric signal by photodetector (normally photomultiplier), thereby the three-dimensional fluorescence spectrum that obtains sample distributes.A three-dimensional fluorescence instrument partly is made up of light source, exciting light monochromator, emission monochromator, sample cell, photodetector and control system and computing machine etc.Light source commonly used in the three-dimensional fluorescence instrument has high-pressure sodium lamp and pulse xenon lamp.Pulse xenon lamp can be launched high-intensity continuous spectrum, uses the most extensive.The exciting light monochromator with generally form by spectro-grating and corresponding scanning mechanism, the light that is used for selecting specific bands of a spectrum from the broadband spectral that light source sends is as exciting light.Emission monochromator and exciting light monochromator have similar 26S Proteasome Structure and Function, and it is to be used to analyze the fluorescence spectrum that is produced by sample.The three-dimensional fluorescence instrument can provide many physical parameters such as comprising three-dimensional (comprising two dimension) excitation spectrum, three-dimensional (comprising two dimension) emission spectrum, synchronous three-dimensional fluorescence spectrum and fluorescence intensity, quantum yield, fluorescence lifetime, fluorescence polarization, can characterize the Cheng Jian and the structure situation of molecule from different perspectives.Through mensuration, not only can carry out the quantitative test of single component, and can carry out polycomponent quantitative test simultaneously these parameters.
That fluorescent spectrometry has is highly sensitive, selectivity good, with the appearance amount less, advantage such as method is easy.The three-dimensional fluorescence spectrum instrument has been applied to high-tech areas such as material, medical science and life science, and in the conventional analysis such as quality control.Existing three-dimensional fluorescence spectrum instrument is desk-top instrument, need fluid sample put into sample cell or concrete sample is placed the position of sample cell during measurement, just can carry out analysis to measure.Carry out online or remote detection for many application needs, or do not allow maybe can not take a sample, can only exciting light be caused the measuring position in this case,, could realize the measurement of fluorescence spectrum simultaneously with phosphor collection and pass instrument back.
The utility model content
The utility model provides in order to overcome the above problems that a kind of detection sensitivity is high, selectivity is strong, the heavy metal three-dimensional fluorescent on-line detecting instrument of convenient test.
The technical scheme of the utility model is: comprise and send device, full fibre-optical probe module, emission light filtration module, light source module, excitation monochrometer module, emission monochromator module, detection module and data processing module forth, the described full fibre-optical probe module fluorescence signal that measuring optical fiber, the joints of optical fibre, launching fiber and launching fiber coupling mechanism produce sample under liquid conducts to emission light filtration module.
The described built-in heavy metal organic sequestering agent of device of sending forth.
But full fibre-optical probe module is made up of the full fibre-optical probe of leaded light, a pair of set bolt, lens combination roll adjustment metallic sheath, probe socket and mirror surface; Described probe socket is fixed on the full fibre-optical probe of leaded light; Be fixedly connected measuring optical fiber under the liquid on the described probe socket; This measuring optical fiber is connected to lens combination, but described mirror surface is fixed on the bottom of roll adjustment metallic sheath, but described set bolt is fixed on the roll adjustment metallic sheath on the probe socket.
Described emission light filtration module comprises stepper motor, controllor for step-by-step motor, filter wheel and metal wheel sheet; Described filter wheel is driven by stepper motor and rotates; Described filter wheel is made up of filter plate that is embedded in eight different cutoff wavelengths on the metal wheel sheet and turning axle, and described turning axle links to each other with stepper motor and be fixing.
The utility model utilization heavy metal organic sequestering agent; Be beneficial to heavy metal and in sewage, adopt fluoroscopic examination; Adopt full optical fiber to replace the fixation measuring light path; Adopt the filter plate of eight different cutoff wavelengths to form the fluorescence filter wheel and select the different filtering sheet according to different excitation wavelengths, the filtering exciting light reduces the influence of exciting light to fluoroscopic examination to the full extent; Thereby the online detection of heavy metal three-dimensional fluorescence in the realization sewage, that the utility model also has is simple to operate, selectivity good, cheap advantage.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the full fibre-optical probe module of the utility model.
Fig. 3 is the structure for amplifying synoptic diagram of the utility model filter wheel
1 is the launching fiber coupling mechanism among the figure, the 2nd, and measuring optical fiber under the liquid, the 3rd, the joints of optical fibre, the 4th, launching fiber, the 5th, send device forth; The 6th, the full fibre-optical probe of leaded light, the 7th, set bolt, the 8th, lens combination, the 9th, but the roll adjustment metallic sheath; The 10th, probe socket, the 11st, mirror surface, the 12nd, stepper motor, the 13rd, controllor for step-by-step motor; The 14th, filter wheel, the 15th, metal wheel sheet, the 16th, filter plate, the 17th, turning axle.
Embodiment
The heavy metal three-dimensional fluorescent on-line detecting instrument; Comprise and send device 5, full fibre-optical probe module, emission light filtration module, light source module, excitation monochrometer module, emission monochromator module, detection module and data processing module forth; The described full fibre-optical probe module fluorescence signal that measuring optical fiber 2, the joints of optical fibre 3, launching fiber 4 and launching fiber coupling mechanism 1 produce sample under liquid conducts to emission light filtration module; The described device 5 built-in heavy metal organic sequestering agents of sending forth; But full fibre-optical probe module is made up of the full fibre-optical probe of leaded light 6, a pair of set bolt 7, lens combination 8 roll adjustment metallic sheaths 9, probe socket 10 and mirror surface 11; Described probe socket 10 is fixed on the full fibre-optical probe 6 of leaded light; Be fixedly connected measuring optical fiber 2 under the liquid on the described probe socket 10; Measuring optical fiber 2 is connected to lens combination 8 under this liquid, but described mirror surface 11 is fixed on the bottom of roll adjustment metallic sheath 9, but described set bolt 7 is fixed on roll adjustment metallic sheath 9 on the probe socket 10; Described emission light filtration module comprises stepper motor 12, controllor for step-by-step motor 13, filter wheel 14 and metal wheel sheet 15; Described filter wheel 14 is driven by stepper motor 12 and rotates, and described filter wheel 12 is made up of filter plate that is embedded in eight different cutoff wavelengths on the metal wheel sheet 15 12 and turning axle 17, and described turning axle 17 links to each other with stepper motor 12 and be fixing.
Claims (4)
1. heavy metal three-dimensional fluorescent on-line detecting instrument; It is characterized in that: comprise and send device, full fibre-optical probe module, emission light filtration module, light source module, excitation monochrometer module, emission monochromator module, detection module and data processing module forth, the described full fibre-optical probe module fluorescence signal that measuring optical fiber, the joints of optical fibre, launching fiber and launching fiber coupling mechanism produce sample under liquid conducts to emission light filtration module.
2. heavy metal three-dimensional fluorescent on-line detecting instrument according to claim 1 is characterized in that: the described built-in heavy metal organic sequestering agent of device of sending forth.
3. heavy metal three-dimensional fluorescent on-line detecting instrument according to claim 1; It is characterized in that: but full fibre-optical probe module is made up of the full fibre-optical probe of leaded light, a pair of set bolt, lens combination roll adjustment metallic sheath, probe socket and mirror surface; Described probe socket is fixed on the full fibre-optical probe of leaded light; Be fixedly connected measuring optical fiber under the liquid on the described probe socket; This measuring optical fiber is connected to lens combination, but described mirror surface is fixed on the bottom of roll adjustment metallic sheath, but described set bolt is fixed on the roll adjustment metallic sheath on the probe socket.
4. heavy metal three-dimensional fluorescent on-line detecting instrument according to claim 1; It is characterized in that: described emission light filtration module comprises stepper motor, controllor for step-by-step motor, filter wheel and metal wheel sheet; Described filter wheel is driven by stepper motor and rotates; Described filter wheel is made up of filter plate that is embedded in eight different cutoff wavelengths on the metal wheel sheet and turning axle, and described turning axle links to each other with stepper motor and be fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200870504U CN202502050U (en) | 2012-03-09 | 2012-03-09 | Three-dimensional fluorescence online detector of heavy metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200870504U CN202502050U (en) | 2012-03-09 | 2012-03-09 | Three-dimensional fluorescence online detector of heavy metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202502050U true CN202502050U (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200870504U Expired - Fee Related CN202502050U (en) | 2012-03-09 | 2012-03-09 | Three-dimensional fluorescence online detector of heavy metals |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063642A (en) * | 2012-12-26 | 2013-04-24 | 西北农林科技大学 | Portable multi-index fluorescent biosensor device |
| CN103245644A (en) * | 2013-03-27 | 2013-08-14 | 中国科学院安徽光学精密机械研究所 | Quick detecting device and method of toxic and harmful organic chemical pollutants in water body |
-
2012
- 2012-03-09 CN CN2012200870504U patent/CN202502050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063642A (en) * | 2012-12-26 | 2013-04-24 | 西北农林科技大学 | Portable multi-index fluorescent biosensor device |
| CN103245644A (en) * | 2013-03-27 | 2013-08-14 | 中国科学院安徽光学精密机械研究所 | Quick detecting device and method of toxic and harmful organic chemical pollutants in water body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121024 Termination date: 20130309 |