CN102091490B - Filter membrane for filtering mercury from gaseous fluid - Google Patents

Filter membrane for filtering mercury from gaseous fluid Download PDF

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Publication number
CN102091490B
CN102091490B CN 201010622392 CN201010622392A CN102091490B CN 102091490 B CN102091490 B CN 102091490B CN 201010622392 CN201010622392 CN 201010622392 CN 201010622392 A CN201010622392 A CN 201010622392A CN 102091490 B CN102091490 B CN 102091490B
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mercury
film
filter membrane
gaseous
particle
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CN102091490A (en
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叶华俊
郭生良
孙敬文
翁兴彪
姜雪娇
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Hangzhou Juguang Environmental Protection Technology Co.,Ltd.
Focused Photonics Hangzhou Inc
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HANGZHOU JUGUANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Focused Photonics Hangzhou Inc
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Abstract

The invention provides a filter membrane for filtering mercury from gaseous fluid, wherein the filter membrane is provided with a first membrane and a second membrane along the lateral direction or longitudinal direction; the first membrane is used for filtering the first mercury from the gaseous fluid; and the second membrane is used for filtering the second mercury from the gaseous fluid. The invention also provides a monitoring system and a method using the filter membrane to the mercury from gaseous fluid. The monitoring system and the method provided by the invention have the advantages of high detection speed, environmental protection, capability of monitoring multi-state at the same time, and the like.

Description

The filter membrane that is used for filtering mercury from gaseous fluid
Technical field
The present invention relates to the filtering of mercury, particularly for the filter membrane of filtering mercury from gaseous fluid with use monitoring system and the method for this filter membrane.
Background technology
Mercury is the material of severe toxicity, even the mercury content in environment is very low, also can be accumulated in human body by food chain, thereby be detrimental to health.In atmosphere (or flue gas) fluid, mercury element generally exists with three kinds of states, i.e. particulate form, gaseous oxidation attitude and gas phase simple substance attitude.
Traditional main two classes of survey mercury method, one class is to measure total mercury, as EPA method 101A, the method is specially: gaseous fluid is first by the glass fibre film, particle mercury in fluid is enriched on described film, gaseous fluid passes in acid permanganate soln afterwards, and the gaseous mercury in gaseous fluid is enriched in described solution, adopts the total mercury after atomic absorption spectrography (AAS) is measured enrichment.Another kind of is to measure gaseous mercury, as EPAmethod 30B, the method is specially: first remove particle mercury in gaseous fluid, and then by carbon adsorption method enrichment gaseous mercury (comprising oxidation state and gas phase simple substance attitude), adopt the cold vapor atomic absorption of ultraviolet or atomic fluorescence spectrometry or x ray fluorescence spectrometry to measure, thereby know the gaseous mercury content in gaseous fluid.Said method has following deficiency:
1) sample treatment is complicated, and operating process is loaded down with trivial details
Sample treatment need be used the chemical reagent of poisonous and severe corrosive; Clear up the processes such as processing, cleaning sample lines all very loaded down with trivial details, and easy drawing-in system error.
2) analysis time long, can not realize Real-Time Monitoring
Analyzing a sample generally needs to be difficult to realize Real-Time Monitoring more than several hours.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art scheme, the invention provides a kind of monitoring system and the method for filter membrane for filtering mercury from gaseous fluid and this filter membrane of application.
The objective of the invention is to be achieved through the following technical solutions:
A kind of filter membrane for filtering mercury from gaseous fluid laterally or vertically has first kind film and an Equations of The Second Kind film at described filter membrane;
Described first kind film is used for the first eka-mercury of the described gaseous fluid of filtering;
Described Equations of The Second Kind film is used for the second eka-mercury of the described gaseous fluid of filtering.
According to above-mentioned filter membrane, laterally or vertically also further having of described filter membrane:
The 3rd class film, described the 3rd class film is used for the 3rd eka-mercury of the described gaseous fluid of filtering.
According to above-mentioned filter membrane, described the first eka-mercury is the arbitrary class in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described the second eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
According to above-mentioned filter membrane, described the 3rd eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury and the second eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
According to above-mentioned filter membrane, when filter membrane has at least two class film of layered arrangement in the vertical, be discrete distribution at ground floor and/or the film on the second layer of filter membrane, make the upper surface of each following tunic of ground floor contact with gaseous fluid by filter membrane.
Purpose of the present invention also is achieved by the following technical programs:
The monitoring system of mercury in a kind of gaseous fluid, described monitoring system comprises sampler, pipeline, enriching apparatus, measurement mechanism; Described enriching apparatus comprises filter membrane, supply unit;
Described filter membrane adopts above-mentioned filter membrane, is used for filtering gaseous fluid at least two eka-mercurys;
Described measurement mechanism is used for drawing according at least two eka-mercurys of enrichment on the described filter membrane that detects the mercury content of gaseous fluid.
According to above-mentioned monitoring system, described measurement mechanism is the X-ray fluorescence spectra analytical equipment.
According to above-mentioned monitoring system, when described filter membrane adopts cross direction profiles, described X-ray fluorescence spectra analytical equipment further comprises mobile unit, described mobile unit is used for the light source of mobile described X-ray fluorescence spectra analytical equipment, makes the light that described light source sends aim at respectively at least two eka-mercurys of enrichment on described filter membrane.
According to above-mentioned monitoring system, described at least two eka-mercurys comprise at least two in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
According to above-mentioned monitoring system, described mercury content refers to the content of particle mercury or gas phase Elemental Mercury or gaseous oxidation attitude mercury or gaseous mercury or total mercury;
Described gaseous mercury comprises gaseous oxidation attitude mercury and gas phase Elemental Mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
According to above-mentioned monitoring system, when described filter membrane has at least two class film of layered arrangement in the vertical, ground floor and/or the film on the second layer at filter membrane are discrete distributions, make the upper surface of each following tunic of ground floor contact with gaseous fluid by filter membrane.
Purpose of the present invention also is achieved by the following technical programs:
The monitoring method of mercury in a kind of gaseous fluid, described monitoring method comprises the following steps:
(A1) sampler is transported to enriching apparatus with the gaseous fluid sample of obtaining by pipeline;
(A2) at least two eka-mercurys in the described sample of filter membrane filtering that provides of enriching apparatus, described filter membrane adopts above-mentioned filter membrane for filtering mercury from gaseous fluid;
(A3) measurement mechanism detects at least two eka-mercurys of enrichment on described filter membrane, and draws the mercury content in gaseous fluid.
According to above-mentioned monitoring method, described measurement mechanism adopts the X-ray fluorescence spectra analytical method.
According to above-mentioned monitoring method, when described filter membrane adopted cross direction profiles, described X-ray fluorescence spectra analytical method comprised mobile step:
Mobile unit moves the light source in described X-ray fluorescence spectra analytical equipment, makes the light that described light source sends aim at respectively at least two eka-mercurys of enrichment on described filter membrane.
According to above-mentioned monitoring method, described at least two eka-mercurys comprise at least two in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
According to above-mentioned monitoring method, described mercury content refers to the content of particle mercury or gas phase Elemental Mercury or gaseous oxidation attitude mercury or gaseous mercury or total mercury;
Described gaseous mercury comprises gaseous oxidation attitude mercury and gas phase Elemental Mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
According to above-mentioned monitoring method, when described filter membrane has at least two class film of layered arrangement in the vertical, ground floor and/or the film on the second layer at filter membrane are discrete distributions, make the upper surface of each following tunic of ground floor contact with gaseous fluid by filter membrane.
Compared with prior art, the beneficial effect that has of the present invention is:
1, measure simultaneously the mercury of different shape
The present invention realizes measuring simultaneously particle mercury, gaseous oxidation attitude mercury, gas phase Elemental Mercury.
2, simple to operate, full-automatic, near Real-Time Monitoring
Apparatus of the present invention are simple to operate, and are less demanding to the analyst, only need an instruction can realize full-automatic Real-Time Monitoring, also can realize Long-distance Control and communication.
3, detect fast
Only need tens of measurements that can realize various state mercury second after sample collection.
4, non-destructive determination
Need not to destroy sample, directly sample is measured.
5, environmental protection
Need not chemical reagent, and can reduce the systematic error of bringing in operating process.
Description of drawings
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art easily are understood that: these accompanying drawings only are used for illustrating technical scheme of the present invention, and are not to be intended to protection scope of the present invention is construed as limiting.In figure:
Fig. 1 is the schematic top plan view according to filter membrane in the embodiment of the present invention 1;
Fig. 2 is the schematic top plan view according to filter membrane in the embodiment of the present invention 2;
Fig. 3 is the cross-sectional schematic according to filter membrane in the embodiment of the present invention 3;
Fig. 4 is the cross-sectional schematic according to filter membrane in the embodiment of the present invention 4;
Fig. 5 is the basic block diagram according to monitoring system in the embodiment of the present invention 5;
Fig. 6 is the basic block diagram according to enriching apparatus in the embodiment of the present invention 5.
The specific embodiment
Fig. 1-6 and following declarative description optional embodiment of the present invention how to implement and to reproduce the present invention with instruction those skilled in the art.In order to instruct technical solution of the present invention, simplified or omitted some conventional aspects.Those skilled in the art should understand that the modification that is derived from these embodiments or replace will be within the scope of the invention.Those skilled in the art should understand that following characteristics can make up to form a plurality of modification of the present invention in every way.Thus, the present invention is not limited to following optional embodiment, and is only limited by claim and their equivalent.
Embodiment 1:
Fig. 1 has schematically provided the schematic top plan view of the filter membrane that is used for filtering mercury from gaseous fluid of the embodiment of the present invention.As shown in Figure 1, described filter membrane for filtering mercury from gaseous fluid comprises:
Laterally have first kind film and an Equations of The Second Kind film at described filter membrane;
Described first kind film is used for the first eka-mercury of the described gaseous fluid of filtering; Described the first eka-mercury is the arbitrary class in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury; Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
Described Equations of The Second Kind film is used for the second eka-mercury of the described gaseous fluid of filtering, and described the second eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury.
When being used for the filtering particle mercury, described first kind film or Equations of The Second Kind film can adopt glass fibre membrane or PTFE film.When being used for the filtering total mercury, described first kind film or Equations of The Second Kind film can adopt the surface to have the PES film of iodine or sulphur.When being used for filtering gaseous oxidation attitude mercury and particle mercury, described first kind film and Equations of The Second Kind film can adopt the PES film.
For above-mentioned filter membrane, the particle mercury that is used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for gaseous oxidation attitude mercury and the particle mercury of filtering gaseous fluid, at this moment, the testing result of the gaseous oxidation attitude mercury on the Equations of The Second Kind film in measured zone and particle mercury can be deducted the testing result of the particle mercury on first kind film, thereby also learn gaseous oxidation attitude Hg content in described gaseous fluid.
For above-mentioned filter membrane, the particle mercury that is used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for the total mercury of filtering gaseous fluid, at this moment, the testing result of the total mercury on the Equations of The Second Kind film in measured zone can be deducted the testing result of the particle mercury on first kind film, thereby also learn the content of (described gaseous mercury comprises gaseous oxidation attitude mercury and gas phase Elemental Mercury) of gaseous mercury in described gaseous fluid.
For above-mentioned filter membrane, the gaseous oxidation attitude mercury and the particle mercury that are used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for the total mercury of filtering gaseous fluid, at this moment, the testing result of the total mercury on the Equations of The Second Kind film in measured zone can be deducted gaseous oxidation attitude mercury on first kind film and the testing result of particle mercury, thereby also learn gas phase simple substance Hg content in described gaseous fluid.
Be according to the benefit of the present embodiment: by the setting of first kind film, Equations of The Second Kind film, can make filter membrane record at least two class Hg contents in gaseous fluid.
Embodiment 2:
Fig. 2 has schematically provided the schematic top plan view of the filter membrane that is used for filtering mercury from gaseous fluid of the embodiment of the present invention.As shown in Figure 2, described filter membrane for filtering mercury from gaseous fluid comprises:
Laterally have first kind film, Equations of The Second Kind film and the 3rd a class film at described filter membrane;
Described first kind film is used for the first eka-mercury of the described gaseous fluid of filtering; Described the first eka-mercury is the arbitrary class in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury; Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
Described Equations of The Second Kind film is used for the second eka-mercury of the described gaseous fluid of filtering, and described the second eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described the 3rd class film is used for the 3rd eka-mercury of the described gaseous fluid of filtering, and described the 3rd eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury, the second eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury.
When being used for the filtering particle mercury, described first kind film or Equations of The Second Kind film or the 3rd class film can adopt glass fibre membrane or PTFE film.When being used for the filtering total mercury, described first kind film or Equations of The Second Kind film or the 3rd class film can adopt the surface to have the PES film of iodine or sulphur.When being used for filtering gaseous oxidation attitude mercury and particle mercury, described first kind film and Equations of The Second Kind film or the 3rd class film can adopt the PES film.
For above-mentioned filter membrane, the particle mercury that is used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for gaseous oxidation attitude mercury and the particle mercury of filtering gaseous fluid, when the 3rd class film is used for the total mercury of filtering gaseous fluid, at this moment, the testing result of the total mercury on the 3rd class film in measured zone the testing result of the particle mercury on first kind film can be deducted, thereby the content of (comprising gaseous oxidation attitude mercury and gas phase Elemental Mercury) of gaseous mercury in described gaseous fluid can also be learnt; Or the testing result of the total mercury on the 3rd class film in measured zone is deducted gaseous oxidation attitude mercury on the Equations of The Second Kind film and the testing result of particle mercury, thereby can also learn gas phase simple substance Hg content in described gaseous fluid; Or the testing result of the gaseous oxidation attitude mercury on the Equations of The Second Kind film in measured zone and particle mercury is deducted the testing result of the particle mercury on first kind film, thereby can also learn gaseous oxidation attitude Hg content in described gaseous fluid.
Be according to the benefit of the present embodiment: by the setting of first kind film, Equations of The Second Kind film and the 3rd class film, can make according to three eka-mercurys of enrichment on filter membrane and learn total mercury in gaseous fluid, gas phase Elemental Mercury, particle mercury, gaseous mercury, gaseous oxidation attitude Hg content.
Embodiment 3:
Fig. 3 has schematically provided the basic block diagram of the filter membrane that is used for filtering mercury from gaseous fluid of the embodiment of the present invention.As shown in Figure 3, described filter membrane for filtering mercury from gaseous fluid comprises:
Described filter membrane vertically have first kind film and an Equations of The Second Kind film, present layered arrangement; Be discrete distribution at first tunic (first kind film or Equations of The Second Kind film) of filter membrane, make the upper surface of the second following tunic of ground floor contact with gaseous fluid by filter membrane.
Described first kind film is used for the first eka-mercury of the described gaseous fluid of filtering; Described the first eka-mercury is the arbitrary class in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury; Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
Described Equations of The Second Kind film is used for the second eka-mercury of the described gaseous fluid of filtering, and described the second eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury.
When being used for the filtering particle mercury, described first kind film or Equations of The Second Kind film can adopt glass fibre membrane or PTFE film.When being used for the filtering total mercury, described first kind film or Equations of The Second Kind film can adopt the surface to have the PES film of iodine or sulphur.When being used for filtering gaseous oxidation attitude mercury and particle mercury, described first kind film and Equations of The Second Kind film can adopt the PES film.
For above-mentioned filter membrane, the particle mercury that is used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for gaseous oxidation attitude mercury and the particle mercury of filtering gaseous fluid, at this moment, the testing result of the mercury on Equations of The Second Kind film in the second measurement zone can be deducted the testing result of the mercury on first kind film in the first measurement zone, thereby also learn gaseous oxidation attitude Hg content in described gaseous fluid.
For above-mentioned filter membrane, the particle mercury that is used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for the total mercury of filtering gaseous fluid, at this moment, the testing result of the mercury on Equations of The Second Kind film in the second measurement zone can be deducted the testing result of the mercury on first kind film in the first measurement zone, thereby also learn the content of (described gaseous mercury comprises gaseous oxidation attitude mercury and gas phase Elemental Mercury) of gaseous mercury in described gaseous fluid.
For above-mentioned filter membrane, the gaseous oxidation attitude mercury and the particle mercury that are used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for the total mercury of filtering gaseous fluid, at this moment, the testing result of the mercury on Equations of The Second Kind film in the second measurement zone can be deducted the testing result of the mercury on first kind film in the first measurement zone, thereby also learn gas phase simple substance Hg content in described gaseous fluid.
Be according to the benefit of the present embodiment: by the setting of first kind film, Equations of The Second Kind film, can make filter membrane record at least two class Hg contents in gaseous fluid.
Embodiment 4:
Fig. 4 has schematically provided the basic block diagram of the filter membrane that is used for filtering mercury from gaseous fluid of the embodiment of the present invention.As shown in Figure 4, described filter membrane for filtering mercury from gaseous fluid comprises:
Described filter membrane vertically have first kind film, Equations of The Second Kind film and the 3rd a class film, present layered arrangement; The first tunic and the second tunic at filter membrane are discrete distributions, make the upper surface of the second following tunic of ground floor and trilamellar membrane contact with gaseous fluid by filter membrane
Described first kind film is used for the first eka-mercury of the described gaseous fluid of filtering; Described the first eka-mercury is the arbitrary class in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury; Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
Described Equations of The Second Kind film is used for the second eka-mercury of the described gaseous fluid of filtering, and described the second eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described the 3rd class film is used for the 3rd eka-mercury of the described gaseous fluid of filtering, and described the 3rd eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury, the second eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury.
When being used for the filtering particle mercury, described first kind film or Equations of The Second Kind film or the 3rd class film can adopt glass fibre membrane or PTFE film.When being used for the filtering total mercury, described first kind film or Equations of The Second Kind film or the 3rd class film can adopt the surface to have the PES film of iodine or sulphur.When being used for filtering gaseous oxidation attitude mercury and particle mercury, described first kind film and Equations of The Second Kind film or the 3rd class film can adopt the PES film.
For above-mentioned filter membrane, the particle mercury that is used for the filtering gaseous fluid when first kind film, the Equations of The Second Kind film is used for gaseous oxidation attitude mercury and the particle mercury of filtering gaseous fluid, when the 3rd class film is used for the total mercury of filtering gaseous fluid, at this moment, the testing result of the total mercury on the 3rd class film in the 3rd measurement zone can be deducted the testing result of the particle mercury on first kind film in the first measurement zone, thereby can also learn the content of (comprising gaseous oxidation attitude mercury and gas phase Elemental Mercury) of gaseous mercury in described gaseous fluid; Or the testing result of the total mercury on the 3rd class film in the 3rd measurement zone is deducted the gaseous oxidation attitude mercury on the Equations of The Second Kind film and the testing result of particle mercury in the second measurement zone, thereby can also learn gas phase simple substance Hg content in described gaseous fluid; Or the testing result of the gaseous oxidation attitude mercury on Equations of The Second Kind film in the second measurement zone and particle mercury is deducted the testing result of the particle mercury on first kind film in the first measurement zone, thereby can also learn gaseous oxidation attitude Hg content in described gaseous fluid.
Be according to the benefit of the present embodiment: by the setting of first kind film, Equations of The Second Kind film and the 3rd class film, can make according to three eka-mercurys of enrichment on filter membrane and learn total mercury in gaseous fluid, gas phase Elemental Mercury, particle mercury, gaseous mercury, gaseous oxidation attitude Hg content.
Embodiment 5:
Fig. 5 has schematically provided the basic block diagram of the monitoring system of mercury in the gaseous fluid of the embodiment of the present invention.As shown in Figure 5, described monitoring system comprises:
Sampling probe 1, described sampling probe is arranged on chimney.
The first pipeline 2 and air extractor 3 under the effect of air extractor 3, flow back in pipeline after the gaseous fluid process sampling probe 1 in chimney, the first pipeline 2.On the first pipeline 2, companion's thermal modules is set.
Second pipe 4, an end opening of described second pipe 4 are in described the first pipeline 2, and the other end is communicated with enriching apparatus 6.
The module 5 of bleeding as jet pump, is arranged on the downstream of enriching apparatus 6, is used for extracting out the gaseous fluid in the first pipeline 2.
Fig. 6 has schematically provided the basic block diagram of the enriching apparatus of the embodiment of the present invention.As shown in Figure 6, described enriching apparatus comprises:
Filter membrane 62 and supply unit (comprising driven pulley 61, driving wheel 63), described filter membrane 62 adopts the filter membrane of the mercury that is used for the filtering gaseous fluid in above-described embodiment 1 or 2.
Measurement mechanism, described measurement mechanism is used for drawing according at least two eka-mercurys of enrichment on the described filter membrane that detects the mercury content of gaseous fluid.Described measurement mechanism is X-ray fluorescence spectra analytical equipment or other analytical equipment.
According to above-mentioned monitoring system, when adopting the X-ray fluorescence spectra analytical equipment, described X-ray fluorescence spectra analytical equipment further comprises mobile unit, described mobile unit is used for the light source of mobile described X-ray fluorescence spectra analytical equipment, makes the light that described light source sends aim at respectively at least two eka-mercurys of enrichment on described filter membrane.
Control module, described control module is used for controlling the sample time of above-mentioned sampling probe 1, also controls hot time of companion and the effect of companion's thermal modules; Also control the movement of supply unit to realize the control to the filter membrane shift position; Also control the movement of described mobile unit.
The monitoring method of mercury in a kind of gaseous fluid, described monitoring method comprises the following steps:
(A1) sampler is transported to enriching apparatus with the gaseous fluid sample of obtaining by the first pipeline, second pipe;
(A2) filter membrane that provides of enriching apparatus passes described second pipe (sealing between described filter membrane and second pipe) and stops, at least two eka-mercurys in the described sample of filtering simultaneously, described filter membrane adopt the filter membrane that is used for filtering mercury from gaseous fluid in embodiment 1 or 2;
(A3) under the supply unit effect, the filter membrane that is enriched with mercury shifts out in described second pipe, measurement mechanism detects at least two eka-mercurys of enrichment on described filter membrane, and draw mercury content in gaseous fluid, as when first kind film and Equations of The Second Kind film respectively when enrichment particle mercury, total mercury, can draw the content (referring to embodiment 1) of particle mercury in gaseous fluid, gaseous mercury, total mercury, as when adopting three class films, can learn total mercury in gaseous fluid, gas phase Elemental Mercury, particle mercury, gaseous mercury, gaseous oxidation attitude Hg content (referring to embodiment 2).
According to above-mentioned monitoring method, described measurement mechanism adopts the X-ray fluorescence spectra analytical method.
According to above-mentioned monitoring method, when adopting the X-ray fluorescence spectra analytical method, analytical method also comprises mobile step:
Mobile unit moves the light source in described X-ray fluorescence spectra analytical equipment, makes the light that described light source sends aim at respectively at least two eka-mercurys of enrichment on the interior described filter membrane of measured zone.
Be according to the benefit of the present embodiment: by the setting of first kind film, Equations of The Second Kind film and the 3rd class film, can make according to three eka-mercurys of enrichment on filter membrane and learn total mercury in gaseous fluid, gas phase Elemental Mercury, particle mercury, gaseous mercury, gaseous oxidation attitude Hg content.
Embodiment 6:
The monitoring method of mercury in a kind of gaseous fluid, described monitoring method comprises the following steps:
(A1) sampler is transported to enriching apparatus with the gaseous fluid sample of obtaining by pipeline;
(A2) filter membrane that provides of enriching apparatus passes described second pipe (sealing between described filter membrane and second pipe) and stops, and the mercury in the described sample of filtering, described filter membrane adopt the filter membrane that is used for filtering mercury from gaseous fluid in embodiment 3 or 4;
Supply unit carry described filter membrane, filter membrane to divide temporally or the Sync enrichment gaseous fluid at least two eka-mercurys; When the first measurement zone, when the second measurement zone (with the 3rd measurement zone) can once be in described second pipe, at least two eka-mercurys in filter membrane filtering simultaneously second pipe in gaseous fluid.When the first measurement zone, when the second measurement zone (with the 3rd measurement zone) can not once be in described second pipe, measurement zone on filter membrane divides and enters temporally in described second pipe, minute temporally at least two eka-mercurys in gaseous fluid in the described second pipe of filtering.
(A3) supply unit moves the filter membrane that is enriched with mercury, measurement mechanism divides at least two eka-mercurys that detect temporally enrichment on described filter membrane, and draw mercury content in gaseous fluid, as when first kind film and Equations of The Second Kind film respectively when enrichment particle mercury, total mercury, can draw the content (referring to embodiment 3) of particle mercury in gaseous fluid, gaseous mercury, total mercury, as when adopting three class films, can learn total mercury in gaseous fluid, gas phase Elemental Mercury, particle mercury, gaseous mercury, gaseous oxidation attitude Hg content (referring to embodiment 4).
According to above-mentioned monitoring method, described measurement mechanism adopts the X-ray fluorescence spectra analytical method.
Be according to the benefit of the present embodiment: by the setting of first kind film, Equations of The Second Kind film and the 3rd class film, can make according to three eka-mercurys of enrichment on filter membrane and learn total mercury in gaseous fluid, gas phase Elemental Mercury, particle mercury, gaseous mercury, gaseous oxidation attitude Hg content.

Claims (14)

1. filter membrane that is used for filtering mercury from gaseous fluid laterally or vertically has first kind film and an Equations of The Second Kind film at described filter membrane;
Described first kind film is used for the first eka-mercury of the described gaseous fluid of filtering; Described the first eka-mercury is the arbitrary class in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described Equations of The Second Kind film is used for the second eka-mercury of the described gaseous fluid of filtering, and described the second eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury; Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury;
When being used for the filtering particle mercury, described first kind film or Equations of The Second Kind film adopt glass fibre membrane or PTFE film; When being used for the filtering total mercury, described first kind film or Equations of The Second Kind film adopt the surface to have the PES film of iodine or sulphur; When being used for filtering gaseous oxidation attitude mercury and particle mercury, described first kind film and Equations of The Second Kind film adopt the PES film;
When filter membrane has at least two class film of layered arrangement in the vertical, be discrete distribution at ground floor or the film on the second layer of filter membrane, make the upper surface of each following tunic of ground floor contact with gaseous fluid by filter membrane.
2. filter membrane according to claim 1 is characterized in that: laterally or vertically also further having of described filter membrane:
The 3rd class film, described the 3rd class film is used for the 3rd eka-mercury of the described gaseous fluid of filtering; Described the 3rd eka-mercury is to be different from arbitrary eka-mercury of described the first eka-mercury and the second eka-mercury in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury; Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury;
When being used for the filtering particle mercury, described the 3rd class film adopts glass fibre membrane or PTFE film; When being used for the filtering total mercury, described the 3rd class film adopts the surface to have the PES film of iodine or sulphur; When being used for filtering gaseous oxidation attitude mercury and particle mercury, described the 3rd class film adopts the PES film.
3. the monitoring system of mercury in a gaseous fluid, described monitoring system comprises sampler, pipeline, enriching apparatus, measurement mechanism; Described enriching apparatus comprises filter membrane, supply unit, it is characterized in that:
Described filter membrane adopts the described filter membrane of claim 1 or 2, is used for filtering gaseous fluid at least two eka-mercurys;
Described measurement mechanism is used for drawing according at least two eka-mercurys of enrichment on the described filter membrane that detects the mercury content of gaseous fluid.
4. monitoring system according to claim 3, it is characterized in that: described measurement mechanism is the X-ray fluorescence spectra analytical equipment.
5. monitoring system according to claim 4, it is characterized in that: when described filter membrane adopts cross direction profiles, described X-ray fluorescence spectra analytical equipment further comprises mobile unit, described mobile unit is used for the light source of mobile described X-ray fluorescence spectra analytical equipment, makes the light that described light source sends aim at respectively at least two eka-mercurys of enrichment on described filter membrane.
6. according to claim 3 or 5 described monitoring systems, it is characterized in that: described at least two eka-mercurys comprise at least two in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
7. monitoring system according to claim 3, it is characterized in that: described mercury content refers to the content of particle mercury or gas phase Elemental Mercury or gaseous oxidation attitude mercury or gaseous mercury or total mercury;
Described gaseous mercury comprises gaseous oxidation attitude mercury and gas phase Elemental Mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
8. monitoring system according to claim 3, it is characterized in that: when described filter membrane has at least two class film of layered arrangement in the vertical, ground floor or the film on the second layer at filter membrane are discrete distributions, make the upper surface of each following tunic of ground floor contact with gaseous fluid by filter membrane.
9. the monitoring method of mercury in a gaseous fluid, described monitoring method comprises the following steps:
(A1) sampler is transported to enriching apparatus with the gaseous fluid sample of obtaining by pipeline;
(A2) at least two eka-mercurys in the described sample of filter membrane filtering that provides of enriching apparatus, described filter membrane adopts the filter membrane that is used for filtering mercury from gaseous fluid in claim 1 or 2;
(A3) measurement mechanism detects at least two eka-mercurys of enrichment on described filter membrane, and draws the mercury content in gaseous fluid.
10. monitoring method according to claim 9, is characterized in that: described measurement mechanism employing X-ray fluorescence spectra analytical method.
11. monitoring method according to claim 10 is characterized in that: when described filter membrane adopted cross direction profiles, described X-ray fluorescence spectra analytical method comprised mobile step:
Mobile unit moves the light source in described X-ray fluorescence spectra analytical equipment, makes the light that described light source sends aim at respectively at least two eka-mercurys of enrichment on described filter membrane.
12. according to claim 9 or 11 described monitoring methods is characterized in that: described at least two eka-mercurys comprise at least two in particle mercury, gaseous oxidation attitude mercury and particle mercury, total mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
13. monitoring method according to claim 9 is characterized in that: described mercury content refers to the content of particle mercury or gas phase Elemental Mercury or gaseous oxidation attitude mercury or gaseous mercury or total mercury;
Described gaseous mercury comprises gaseous oxidation attitude mercury and gas phase Elemental Mercury;
Described total mercury comprises particle mercury, gaseous oxidation attitude mercury and gas phase Elemental Mercury.
14. monitoring method according to claim 9, it is characterized in that: when described filter membrane has at least two class film of layered arrangement in the vertical, ground floor or the film on the second layer at filter membrane are discrete distributions, make the upper surface of each following tunic of ground floor contact with gaseous fluid by filter membrane.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1191763A (en) * 1996-12-31 1998-09-02 普拉塞尔技术有限公司 Membrane control system and process
CN2775649Y (en) * 2005-01-06 2006-04-26 北京瑞利分析仪器公司 Mercury removing device for environment protection of atomic fluorescent spectrum instrument
CN202070266U (en) * 2010-12-31 2011-12-14 聚光科技(杭州)股份有限公司 Filter membrane for filtering out mercury in gaseous fluid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2068983T3 (en) * 1989-12-22 1995-05-01 Dow Chemical Co DYNAMIC SEPARATION PROCEDURE BY MEMBRANE TO OBTAIN AN IMPROVED SELECTIVITY.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1191763A (en) * 1996-12-31 1998-09-02 普拉塞尔技术有限公司 Membrane control system and process
CN2775649Y (en) * 2005-01-06 2006-04-26 北京瑞利分析仪器公司 Mercury removing device for environment protection of atomic fluorescent spectrum instrument
CN202070266U (en) * 2010-12-31 2011-12-14 聚光科技(杭州)股份有限公司 Filter membrane for filtering out mercury in gaseous fluid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP平4-108517A 1992.04.09

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