CN201909764U - Gaseous fluid element monitoring system - Google Patents
Gaseous fluid element monitoring system Download PDFInfo
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- CN201909764U CN201909764U CN2010206337514U CN201020633751U CN201909764U CN 201909764 U CN201909764 U CN 201909764U CN 2010206337514 U CN2010206337514 U CN 2010206337514U CN 201020633751 U CN201020633751 U CN 201020633751U CN 201909764 U CN201909764 U CN 201909764U
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- filter membrane
- yuan
- monitoring system
- cellulose solution
- gaseous fluid
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Abstract
The utility model relates to a gaseous fluid element monitoring system, which comprises a filtering membrane, a delivering unit, a detecting unit, a first element solution feeding unit and a control unit. The first element solution feeding unit is used for feeding first element solution onto the filtering membrane delivered from the delivering unit, and the control unit is used for controlling time and the quantity of the first element solution fed onto the filtering membrane. The gaseous fluid element monitoring system is high in monitoring precision, convenient and free of pollution.
Description
Technical field
The utility model relates to the monitoring of element, the monitoring system of element in especially a kind of gaseous fluid.
Background technology
Mercury is extremely toxic substance, even the mercury content in the environment is very low, also can be accumulated in the human body by food chain, thereby be detrimental to health.Therefore, press for some can the fast quantification testing environment in the method for Trace Hg.
Mercury has volatility, all remains on gaseous state in a lot of occasions, and in chimney, pipeline, and content is all lower, and therefore needs adopt the sensitivity that the method for filter membrane enrichment mercury improves mercury measurement.Common filter membrane can not enrichment simple substance mercury, therefore need carry out special processing to mercury or filter membrane.Present disposal route mainly contains following two kinds:
1, chlorine is added in the mercurous gaseous fluid, mercury and chlorine reaction generate mercuric chloride, use common filter membrane (as the PES film) absorption mercuric chloride.The weak point of this method is mainly: a, mercury and mercuric chloride have bigger vapour pressure under environment or flue-gas temperature, and mercury can not change into mercuric chloride fully; B, chlorine are toxic gases, and excessive chlorine jeopardizes people's life, also produce and pollute.
2, common filter membrane resinification is handled, be soaked in then in the iodine solution, be used for the absorption of mercury after drying.The weak point of this method is mainly: the time that this filter membrane is placed is long more, and the iodine loss is many more, and therefore, the film of this processing is difficult to long storage time.
The utility model content
In order to solve deficiency of the prior art, the utility model provides the monitoring system of element in a kind of monitoring accuracy height, convenience, the free of contamination gaseous fluid.
For achieving the above object, the utility model is by the following technical solutions:
The monitoring method of element in a kind of gaseous fluid may further comprise the steps:
A, add the first element step
In measure field, first yuan of cellulose solution is added on the filter membrane; The solvent evaporates of first yuan of cellulose solution on the filter membrane is stayed on the filter membrane to small part first element;
B, sampling step
In sample region, second element in the gaseous fluid and first element reaction on the filter membrane, the reactant that reaction generates is adsorbed on the filter membrane;
C, detection step
In detection zone, detect the described reactant on the filter membrane, thereby know the content of second element in the gaseous fluid.
According to above-mentioned monitoring method, first yuan of cellulose solution is sprayed on the filter membrane, or makes filter membrane pass through first yuan of cellulose solution, thereby first yuan of cellulose solution is added on the filter membrane.
According to above-mentioned monitoring method, in sampling step, at least a being adsorbed on the filter membrane in the lead in the gaseous fluid, arsenic, chromium, the cadmium element; In detecting step, by at least a content of knowing element in the gaseous fluid in the lead on the detection filter membrane, arsenic, chromium, the cadmium element.
According to above-mentioned monitoring method, in detecting step, use X-ray fluorescence spectra analytical technology or atomic absorption spectroscopy.
According to above-mentioned monitoring method, in tested pipeline or the chimney earlier through sampling, companion's heat, afterwards with filter membrane on first element react.
According to above-mentioned monitoring method, the filter membrane that adds first yuan of cellulose solution stops, thereby makes first yuan of solvent evaporates in the cellulose solution.
According to above-mentioned monitoring method, described first element is iodine or sulphur, and described second element is a mercury.
According to above-mentioned monitoring method, the solvent of first yuan of cellulose solution is n-pentane or carbon disulphide.
In order to realize said method, the utility model has also proposed the monitoring system of element in a kind of like this gaseous fluid, comprises filter membrane and supply unit, detecting unit; Also comprise:
First yuan of cellulose solution applying unit is used for first yuan of cellulose solution is applied to the filter membrane that described supply unit is sent;
Control module is used to control first yuan of cellulose solution and is applied to time and consumption on the filter membrane.
According to above-mentioned monitoring device, described first yuan of cellulose solution applying unit adopts liquid-jet device, is used for first yuan of cellulose solution is sprayed on filter membrane; Or adopt the container that first yuan of cellulose solution is housed, be used for first yuan of cellulose solution is applied to filter membrane by this container.
According to above-mentioned monitoring device, described monitoring system also comprises sampling unit, the gaseous fluid after the sampling by pipeline transportation with described filter membrane on first element react, pipeline is provided with companion's hot cell.
According to above-mentioned monitoring device, described detecting unit is X-ray fluorescence spectra analytical equipment or Atomic Absorption Spectrometer.
According to above-mentioned monitoring device, described first element is iodine or sulphur.
Compared with prior art, the utlity model has following advantage:
1, can fully second element be transformed, can be converted into mercuric iodixde or mercuric sulphide fully as mercury.
Iodine or sulphur simple substance character are active, are sublimed into gas easily, just can react rapidly with mercury at normal temperatures, and react completely.
2, do not have storage problem, filter membrane is applying the enrichment that just is used for second element behind first yuan of cellulose solution after a few minutes.
The utility model adopts and to apply first element such as iodine, sulphur in real time, and the processing time is fast, saves and deposits trouble.
3, need not to handle in advance filter membrane.
The utility model is to handle filter membrane in measure field, handles filter membrane in advance, time-consuming effort again, and prior art also need compare complex chemical treatment in order to fetter elemental iodine for a long time to common filter membrane.The utility model has been save these loaded down with trivial details and complicated processing procedures.
4, excess iodine and sulphur are almost pollution-free
Iodine and sulphur normal temperature are solid down, and the distillation of iodine is limited, therefore can not damage human body.
Description of drawings
Fig. 1 is the structural representation of monitoring system among the embodiment 1;
Fig. 2 is the structural representation of monitoring system among the embodiment 2;
Fig. 3 is the structural representation of iodine solution applying unit among the embodiment 2;
Fig. 4 is the structural representation of iodine solution applying unit among the embodiment 3.
Embodiment
Embodiment 1:
As shown in Figure 1, the monitoring system of element in a kind of gaseous fluid is used to monitor the content of elements such as mercury, cadmium, arsenic in the chimney.Described monitoring system comprises: sampling unit, companion's hot cell, filter membrane and supply unit, iodine solution applying unit, detecting unit, control module.
Described sampling unit is installed on the tested chimney, and the gaseous fluid after the sampling is carried by pipeline 31, and pipeline is provided with companion's hot cell, is used to make the interior gaseous fluid of pipeline to maintain the interior state of chimney.
Described supply unit comprises driving wheel 13, engaged wheel 11, and undressed filter membrane 12 is on engaged wheel 11, and the filter membrane of measuring is on driving wheel 13.Adopt common filter membrane, as the PES film.
First yuan of cellulose solution applying unit 21 is a liquid-jet device, is arranged on a side of filter membrane 12, can spray iodine solution in container when needs, and iodine solution is evenly distributed on the filter membrane 12.The solvent of iodine solution is a n-pentane.
Detecting unit 41 is X-ray fluorescence spectra analytical equipments, is made up of light source, detector and analysis module.This analytical equipment is a prior art, does not repeat them here.
Control module is connected with described sampling unit, companion hot cell, supply unit, first yuan of cellulose solution applying unit 21, the work that is used to control sampling unit whether, the time and the amount that add the moving of thermal effect, filter membrane, iodine solution ejection of companion's hot cell.
Present embodiment has also disclosed the monitoring method of element in a kind of gaseous fluid, is used to monitor the content of elements such as mercury, cadmium, arsenic in the chimney, and described monitoring method may further comprise the steps:
A, add the iodine step
Under the effect of control module, driving wheel 13 coiling filter membranes, the iodine solution of liquid-jet device ejection appropriate amount, the iodine solution of ejection is distributed on the filter membrane 12; Filter membrane 12 stopped several minutes afterwards, the solvent evaporates of iodine solution on the filter membrane 12, and iodine is stayed on the filter membrane 12; Filter membrane 12 moves to sample region;
Under the effect of control module, the gaseous fluid in the sampling unit sampling chimney, and carry through piping 31, companion's hot cell make the fluids in the pipeline 31 maintain state in the chimney;
Mercury in b, the pipeline 31 in the gaseous fluid and the Iod R on the filter membrane 12, the mercuric iodixde of generation is adsorbed on the filter membrane 12, and simultaneously, elements such as the cadmium in the gaseous fluid, arsenic also can be adsorbed on the filter membrane 12; Filter membrane 12 moves to detection zone;
C, detecting unit 41 utilize the X-ray fluorescence spectra analytical technology to measure elements such as mercuric iodixde on the filter membrane 12 and cadmium, arsenic, thereby know in the chimney content of mercury, cadmium, arsenic etc. in the gaseous fluid.
Embodiment 2:
As shown in Figure 2, the monitoring system of element in a kind of gaseous fluid is used to measure the content of mercury in the chimney, as different from Example 1:
1, as shown in Figure 3, first yuan of cellulose solution applying unit 22 is the container of a sealing, fills iodine solution in the container, and solvent is a n-pentane.Filter membrane 12 is mobile between carrying roller 221,222,223, and by the iodine solution in the container, and keep sealing with container, avoid making the interior solution evaporation of container and amount discharge container.
2, detecting unit is cold steam Atomic Absorption Spectrometer.
Present embodiment has also disclosed the monitoring method of element in a kind of gaseous fluid, is used to monitor the content of mercury in the chimney, as different from Example 1:
1, filter membrane passes through the iodine solution in the container, thereby makes iodine solution attached on the filter membrane;
2, detecting unit utilizes the mercuric iodixde on the cold steam atomic absorption spectroscopy measurement filter membrane, thereby knows the content of mercury in the chimney.
3, adopt excessive liquor kalii iodide to soak the filter membrane that is attached with mercuric iodixde, mercuric iodixde dissolves in liquor kalii iodide, is sent to cold steam Atomic Absorption Spectrometer then and detects.
Embodiment 3:
The monitoring system of element in a kind of gaseous fluid is used to measure the content of mercury in the chimney, as different from Example 2:
1, fill sulphur solution in first yuan of cellulose solution applying unit 22, solvent is a carbon disulphide.
2, as shown in Figure 4, carrying roller 222 connects control module, under the effect of control module, move up and down, make when needs apply sulphur solution, carrying roller 222 moves downward and is being with filter membrane 12 to enter sulphur solution, when not needing to apply sulphur solution, carrying roller 222 moves upward and is being with filter membrane 12 to break away from sulphur solution.
3, detecting unit adopts the X-ray fluorescence spectra analytical equipment, specifically with embodiment 1.
Present embodiment has also disclosed the monitoring method of element in a kind of gaseous fluid, is used to monitor the content of mercury in the chimney, as different from Example 2:
1, in adding the sulphur step, fill sulphur solution in first yuan of cellulose solution applying unit 22, solvent is a carbon disulphide.Carrying roller 222 connects control module, under the effect of control module, move up and down, make that carrying roller 222 moves downward and is being with filter membrane 12 to enter sulphur solution when needs apply sulphur solution, when not needing to apply sulphur solution, carrying roller 222 moves upward and is being with filter membrane 12 to break away from sulphur solution.
2, detecting unit utilizes the mercuric sulphide on the X-ray fluorescence spectra analytical technology measurement filter membrane, thereby knows the content of mercury in the chimney.
Above-mentioned embodiment should not be construed as the restriction to the utility model protection domain.Key of the present utility model is: in measure field, first yuan of cellulose solution is applied on the filter membrane, afterwards the solvent evaporates of first yuan of cellulose solution; The first element reaction reaction of formation thing on second element in the gaseous fluid and the filter membrane is known the content of second element in the gaseous fluid by detecting reactant.Under the situation that does not break away from the utility model spirit, any type of change that the utility model is made all should fall within the protection domain of the present utility model.
Claims (5)
1. the monitoring system of element in the gaseous fluid comprises filter membrane and supply unit, detecting unit; It is characterized in that: described monitoring system also comprises:
First yuan of cellulose solution applying unit is used for first yuan of cellulose solution is applied to the filter membrane that described supply unit is sent;
Control module is used to control first yuan of cellulose solution and is applied to time and consumption on the filter membrane.
2. monitoring system as claimed in claim 1 is characterized in that: described first yuan of cellulose solution applying unit adopts liquid-jet device, is used for first yuan of cellulose solution is sprayed on filter membrane; Or adopt the container that first yuan of cellulose solution is housed, be used for first yuan of cellulose solution is applied to filter membrane by this container.
3. monitoring system as claimed in claim 1 is characterized in that: described monitoring system also comprises sampling unit, the gaseous fluid after the sampling by pipeline transportation with described filter membrane on first element react, pipeline is provided with companion's hot cell.
4. monitoring system as claimed in claim 1 is characterized in that: described detecting unit is X-ray fluorescence spectra analytical equipment or Atomic Absorption Spectrometer.
5. monitoring system as claimed in claim 1 is characterized in that: described first element is iodine or sulphur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206337514U CN201909764U (en) | 2010-11-19 | 2010-11-19 | Gaseous fluid element monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206337514U CN201909764U (en) | 2010-11-19 | 2010-11-19 | Gaseous fluid element monitoring system |
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| CN201909764U true CN201909764U (en) | 2011-07-27 |
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| CN2010206337514U Expired - Fee Related CN201909764U (en) | 2010-11-19 | 2010-11-19 | Gaseous fluid element monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095745A (en) * | 2010-11-19 | 2011-06-15 | 聚光科技(杭州)股份有限公司 | Method and system for monitoring elements in gaseous fluid |
-
2010
- 2010-11-19 CN CN2010206337514U patent/CN201909764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095745A (en) * | 2010-11-19 | 2011-06-15 | 聚光科技(杭州)股份有限公司 | Method and system for monitoring elements in gaseous fluid |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU FOCUSED PHOTONICS ENVIRONMENTAL PROTECTIO Effective date: 20120316 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120316 Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Co-patentee after: Hangzhou Juguang Environmental Protection Technology Co.,Ltd. Patentee after: Focused Photonics (Hangzhou) Inc. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee before: Focused Photonics (Hangzhou) Inc. |
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| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: HANGZHOU FOCUSED PHOTONICS ENVIRONMENTAL-PROTECTING TECHNOLOGY CO., LTD. Effective date: 20140327 Owner name: GUIZHOU JUKE TECHNICAL SERVICE CO., LTD. Free format text: FORMER OWNER: FOCUSED PHOTONICS (HANGZHOU) INC. Effective date: 20140327 |
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Free format text: CORRECT: ADDRESS; FROM: 310052 HANGZHOU, ZHEJIANG PROVINCE TO: 550001 GUIYANG, GUIZHOU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140327 Address after: 550001 Jinyang hi tech Industrial Park, Guiyang hi tech Zone, Guizhou Patentee after: Hangzhou Focused Photonics Inc. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Patentee before: Focused Photonics (Hangzhou) Inc. Patentee before: Hangzhou Juguang Environmental Protection Technology Co.,Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Pan Deduo Document name: Notification of Passing Examination on Formalities |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20151119 |
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| EXPY | Termination of patent right or utility model |