CN107860763A - Alkali metal and the on-line monitoring method and device of trace element concentration in a kind of gas - Google Patents
Alkali metal and the on-line monitoring method and device of trace element concentration in a kind of gas Download PDFInfo
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Abstract
The invention belongs to the supporting detection association area of heat power equipment, and alkali metal and the on-line monitoring method of trace element concentration in a kind of gas are disclosed, including：By configuring substrate gas and standard liquid, packet test is taken to obtain series of features the intensity of spectral line value of object element in each group standard Dry aerosol, and establish the calibration curve math equation of relation between reflection object element concentration and characteristic spectral line intensity level；Then, after the operations such as sampling, atomization and desolvation processing are performed under test gas, the actual value that Dry aerosol obtains its elemental characteristic the intensity of spectral line is formed, then brings into math equation the actual concentrations value that Continuous plus draws object element into, while realizes continuous on-line monitoring effect.The invention also discloses corresponding on-Line Monitor Device.By means of the invention it is possible to perform whole monitoring process in a manner of simple convenient, high precision, and it can effectively monitor the instantaneous concentration of multiple element in gas with various environment.
Description
Technical field
The invention belongs to the supporting detection association area of heat power equipment, more particularly, to alkali metal and trace in a kind of gas
The on-line monitoring method and device of secondary element concentration.
Background technology
The alkali metal such as sodium, potassium and its compound produce corrosiveness, reduction thermodynamic efficiency to steam power plant's component materials because,
Increase the reasons such as maintenance cost and receive significant attention.Alkali metal has a strong impact on to the generation of heat power equipment part and is in particular in：
Heat exchange is hindered, heat exchange efficiency is reduced, so as to reduce generating efficiency and power；Block runner, cause mechanical damage；Operation event
Barrier；Produce corrosion.In addition, heavy metal, trace element and its compound are the important compositions of atmosphere pollution, some trace elements
Even if in the case where concentration is very low, serious destruction can be also caused to ecological environment, or even poisons animals and plants, to human health
Cause serious threat.The harm of the harmful element such as alkali metal and trace element has been in various heat power equipment discharge gas, product gas
Through obtaining extensive concern, strengthen the monitoring to alkali metal and trace element in various industrial process gas pollutants, research and development are direct
The on-Line Monitor Device of alkali metal and trace element concentration in gas is quantitative determined, may advantageously facilitate environmental protection, and promote phase
The foundation for the environmental regulation answered and perfect.
Some conventional detection schemes have been proposed in the prior art.However, further investigations have shown that, these schemes
Absorbed mostly by solution, solid absorbent absorption the methods of collect the total of harmful element in gas be discharged into a period of time
Amount, then carries out recovery resolution to adsorbing medium sample, then by traditional Atomic Absorption Spectrometer, UV, visible light spectrophotometer,
The technological means such as AFS, electrochemical process instrument are measured.Correspondingly, it is time-consuming that measuring method sampling is not only resulted in
Recover before long, analysis and the step of resolution the problems such as complexity, be especially difficult to accurately acquire harmful element and arrange in a short time
The fluctuation situation of concentration is put, thus is difficult to meet that industrial discharge monitoring field is supervised in real time to thermal device actual operating state
The demand of control.
The content of the invention
For the above weak point and Improvement requirement of prior art, the invention provides alkali metal and trace in a kind of gas
The on-line monitoring method and device of secondary element concentration, wherein being studied by the processing mode to whole monitoring process and algorithm
And improvement, be accordingly remarkably improved the accuracy of measurement result compared with the prior art, and can in order to manipulate, applicability
Strong mode is realized to be monitored on-line to the high accuracy of alkali metal in gas and trace element concentration, while can know that its is instantaneous in real time
Change in concentration numerical value；In addition, the present invention also fully combines the process characteristic of heat power equipment tail flue gas or product gas discharge process,
To the unitary construction composition and some key components such as gas sampling unit, ultrasonic atomizatio Dehumidifying element, light of whole monitoring device
The concrete structure and set-up mode of spectrum analytic unit etc. make targeted design, mutually should be able to greatly expand spectrometer and mass spectrograph
The scope of application that multielement is continuously monitored on-line in gas, the features such as being provided simultaneously with compact-sized, using flexible, thus especially
Application scenario is detected suitable for all kinds of heat power equipments of industrialized production.
To achieve the above object, according to one aspect of the present invention, there is provided alkali metal and trace element in a kind of gas
The on-line monitoring method of concentration, it is characterised in that this method comprises the following steps：
A. quantitative calibration step
Configuration substrate gas identical with test gas main constituents and not containing object element to be measured, matches somebody with somebody simultaneously
Put multigroup standard liquid containing object element to be measured and its known concentration；
Each group standard liquid is mixed and through being atomized dehumidification treatments immediately respectively with substrate gas, and forms multigroup standard and does
Each it is sent into after aerosol in spectrometer, thus knows that the series of features spectral line of object element in each group standard Dry aerosol is strong
Angle value；
Relation based on more than between multigroup standard liquid and corresponding series of features the intensity of spectral line value, establishes target element
Math equation between plain concentration and characteristic spectral line intensity level, and as the preset reference of follow-up actual monitoring；
B. sampling atomization and spectrometry procedure
Under test gas is performed into sampling under conditions of constant temperature is kept, then sampling gas is performed at atomization and desolvation
Reason, is consequently formed Dry aerosol；
This Dry aerosol is fed through in spectrometer, and its elemental characteristic is obtained in the state of high-temperature plasma is excited
The actual value of the intensity of spectral line；
Acquired actual value is brought into above-mentioned math equation, thus direct Continuous plus, which is drawn under test gas, wraps
The actual concentrations value of object element including alkali metal containing and trace element；
Continuous sampling is carried out under test gas by sampling unit, Dry aerosol is persistently formed and is sent into spectrometer and divided
Analysis, a series of instantaneous concentrations that the object element including alkali metal and trace element is included under test gas are thus calculated
Value, and then realize continuous on-line monitoring effect.
As it is further preferred that in step a, it is preferred to use the mode of Mathematical Fitting come establish object element concentration with
Math equation between characteristic spectral line intensity level, and its form is preferably designed to once linear equation.
As it is further preferred that in stepb, ultrasonic atomizatio, pressure mist are preferably included to the atomizing type for sampling gas
Change, gas atomization or rotary disk atomisation.
As it is further preferred that the object element preferably include using sodium, potassium as representative alkali metal, with cadmium, lead,
Zinc, antimony be representative heavy metal, using arsenic, selenium as representative trace element, and using bromine, iodine as representative nonmetalloid.
As it is further preferred that the spectrometer includes emission spectrometer, absorption spectrometer, fluorescence spectrum, mass spectrograph
Or other similar devices.
As it is further preferred that the under test gas preferably includes flue gas in power station boiler, burning furnace exhaust, steel and iron industry
Flue gas before waste gas, pyrolysis oven product gas, gasification furnace product gas or integrated gasification combined cycle for power generation system gas turbine
Deng.
It is another aspect of this invention to provide that additionally provide alkali metal and the on-line monitoring of trace element concentration in a kind of gas
Device, it is characterised in that the device includes pretreatment unit, gas sampling unit, ultrasonic atomizatio Dehumidifying element, spectrum analysis list
Member, wherein：
The pretreatment unit is arranged between the flue of heat power equipment and the gas collection unit, and is made for removing
For the solid particle in the gas of monitoring object；
The gas sampling unit includes insulation sampling pipe, mechanical pump and peristaltic pump, wherein the insulation sampling pipe and is designed
To possess three ports and realizing gas distribution by threeway, wherein its first end is provided with keeps with the pretreatment unit
Connected gas access, and for being extremely incubated gas extraction in sampling pipe in the presence of the mechanical pump, its second
End remains connected to the peristaltic pump, and for by the first gas conveying of quantitative sampling, so far peristaltic pump to be examined with performing the later stage
To survey, its three-terminal link has purification, and for being discharged into air after remaining second gas is performed into harmless treatment
Environment；In addition, the insulation sampling pipe, which is also matched somebody with somebody, is arranged with temperature control component, and cause the temperature that gas is kept in whole sampling process
Spend constant；
The ultrasonic atomizatio Dehumidifying element is arranged on the downstream of the peristaltic pump, and the institute for the peristaltic pump to be exported
State first gas and perform desolvation processing, caused Dry aerosol is then delivered to the spectroscopy unit；
The spectroscopy unit includes sample introduction element, plasma emission spectrometer quarter bend and data processing module, its
In the sample introduction element Dry aerosol from the ultrasonic atomizatio Dehumidifying element is quantitatively fed through the plasma emissioning light
In spectral moment pipe, the plasma emission spectrometer quarter bend is used to obtain the Dry aerosol in the state of high-temperature plasma is excited
Its elemental characteristic the intensity of spectral line is taken, the data processing module is then by acquired elemental characteristic the intensity of spectral line and default reference number
According to being contrasted, thus Continuous plus draws the instantaneous concentration value of alkali metal and trace element in gas.
As it is further preferred that the pump head of the peristaltic pump is preferably designed for double end out-phase magnetic head structure.
As it is further preferred that the ultrasonic atomizatio unit comprises preferably desolvation module, the desolvation mould
Block has heating tube and cooling tube, and the operating temperature of the heating tube is set as being not less than 140 DEG C, the work of the cooling tube
It is set as being not higher than 3 DEG C as temperature.
In general, by the contemplated above technical scheme of the present invention compared with prior art, mainly possess following
Technological merit：
1st, studied and improved by the processing mode to whole monitoring process and algorithm, accordingly compared with the prior art
Be remarkably improved the accuracy of measurement result, and can in order to manipulate, the mode of strong applicability realized to alkali gold in gas
The high accuracy on-line monitoring of category and trace element concentration, can particularly know that its instantaneous concentration changes numerical value in real time；
2nd, by the process of the present invention, series spectrometers can have been expanded in practical application aspect, mass spectrometric made
With scope, the series spectrometers, the mass spectrograph that are only used for fluid sample measurement is set to be extended to the company of multiple element in gas
Continuous real-time online measuring；
3. the present invention is also fully with reference to heat power equipment tail flue gas or the process characteristic of product gas discharge process, to whole prison
The concrete structure and set-up mode of the unitary construction composition and some key components of surveying device make targeted design, accordingly with knot
Structure is compact, using flexible and be easy to control mode perform above-mentioned monitoring process, be therefore particularly suitable for each of industrialized production
Class heat power equipment detects application scenario；
4th, last, the on-Line Monitor Device researched and developed by the present invention (when equal resolution ratio about 3-5 seconds) is either to solving
It is all necessary that performance driving economy, safety issue, which are also in order at considering in terms of environmental pollution, and especially control is harmful
The removing means of element pollution thing discharge needs to be combined the applied field to assess its efficiency in real time with on-line monitoring equipment
Close, and in power plant's startup, change fuel or operating condition stage.
Brief description of the drawings
Fig. 1 is the integrated artistic schematic flow sheet according to the on-line monitoring method constructed by the preferred embodiment for the present invention；
Fig. 2 is the principle schematic of spectrometer measurement module shown in Fig. 1；
Fig. 3 is the calibration graph obtained for being shown as the present invention using fit approach；
Fig. 4 is the instantaneous concentration figure obtained during performing continuous on-line measurement object element according to the present invention；
Fig. 5 is the structural representation according to the on-Line Monitor Device constructed by the preferred embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Conflict can is not formed each other to be mutually combined.
Fig. 1 is the integrated artistic schematic flow sheet according to the on-line monitoring method constructed by the preferred embodiment for the present invention,
Fig. 2 is the principle schematic of spectrometer measurement module shown in Fig. 1.As depicted in figs. 1 and 2, the present invention passes through to whole monitoring
The processing mode and algorithm of process are studied and improved, and accordingly be can be achieved compared with the existing technique using offline mode to gas
Alkali metal and the high accuracy on-line monitoring of trace element instantaneous concentration, measurement result accuracy are high in body.
On-line monitoring method according to the present invention mainly comprises the following steps：
Step 1：Quantitative calibration step
Configuration substrate gas identical with test gas main constituents and not containing object element to be measured, matches somebody with somebody simultaneously
Put multigroup standard liquid containing object element to be measured and its known concentration；Each group standard liquid and substrate gas difference is instant
Mix and through being atomized dehumidification treatments, and be each sent into after forming multigroup standard Dry aerosol in spectrometer, thus know each group mark
Series of features the intensity of spectral line value of object element in quasi- Dry aerosol；Based on more than multigroup standard liquid with it is corresponding a series of
Relation between characteristic spectral line intensity level, the math equation established between object element concentration and characteristic spectral line intensity level, and make
For the preset reference of follow-up actual monitoring.
More specifically, as shown in figure 1, the calibration sample of selection substrate gas and known target concentration of element is sent into atomization dress
Put, a certain amount of substrate gas and calibration sample mixed aerosol are transported in spectrometer, signal passes through imaging sensor
(CCD) amplify, obtain the mathematical relationship of the object element and characteristic spectral line intensity in standard Dry aerosol in a computer, and can
Obtain the relational expression of the object element concentration C and characteristic spectral line intensity I., will for the gaseous sample of unknown object concentration of element
Gaseous sample and a certain amount of ultra-pure water are passed through atomising device, after blended atomization, are transported in spectrometer, in a computer
The characteristic spectral line intensity I of object element under test gas ', I ' is substituted into relational expression, it is possible to try to achieve target under test gas
The concentration value C ' of element.
Step 2：Atomization and spectrometry procedure
Under test gas is performed into sampling under conditions of constant temperature is kept, then sampling gas is performed at atomization and desolvation
Reason, is consequently formed Dry aerosol；This Dry aerosol is fed through in spectrometer, and in the state of high-temperature plasma is excited
(plasma gas 17 is shown in figure and aids in gas 18) obtains the actual value of its elemental characteristic the intensity of spectral line；By acquired reality
Actual value is brought into above-mentioned math equation, and thus direct Continuous plus draws under test gas and existed comprising alkali metal and trace element
The actual concentrations value of interior object element；Finally, continuous sampling is carried out under test gas by sampling unit, persistently forms dry gas
Colloidal sol is sent into spectrometer and analyzed, and is thus calculated under test gas comprising the target including alkali metal and trace element
A series of instantaneous concentration values of element, and then realize continuous on-line monitoring effect.
The detection device corresponding with the above method can be for example made up of atomising device 31, spectrometer and computer 37, and 2 are
Bleeding point.The feature of spectrometer includes light source 32；Optical lens 33,35；Grating 34；CCD36.Atomising device 31 inputs sample
The light source 32 of spectrometer, by lens 33,35, grating 34, CCD36 is reached, obtained signal is admitted to computer by processing
37, calibration measurement flow and principle of the present invention are as shown in Figure 2.
The present invention will be illustrated come specific explanations by an instantiation below.
Example 1：Measure the concentration of alkali metallic sodium Na in flue gas caused by biomass combustion.
Determine flue gas main constituents caused by certain biomass combustion：By 80%N2, 13%CO2, 7%O2Composition.By this
Substrate gas of the proportional arrangement without other impurities and Alkali-Metal Na.
5 groups of calibration sample known to Na concentration of element are taken, Na concentration of element respectively is：0mg/Nm3, 0.1mg/Nm3,
0.2mg/Nm3, 1mg/Nm3, 2mg/Nm3。
For each group of calibration sample, atomising device is passed through with certain flow with substrate gas respectively and carries out mixing fog
Change, obtain the spectral intensity values of various concentrations Na elements and characteristic spectral line, carry out curve fitting, obtain Na concentration of element in gas
With the calibration graph and math equation of spectral intensity, as shown in Figure 3.
Pass through atomization using biomass combustion flue gas as identical flow in testing sample, and deionized water and above step
Device, and spectrometer is sent into, the intensity of spectral line value I ' of Na elements in the sample is obtained, I ' is substituted into math equation, obtains the sample
The concentration value of Na elements in product.
Real-time process of measurement is opened, by sampling apparatus continuous sampling, Dry aerosol is formed continuously and is sent into spectrometer progress
Analysis, obtains the temporal element concentration of Na in combustion process, the release process spread of Na in gas is continuously monitored on-line.Measurement
As a result can be by Computer display, as shown in Figure 4.
According to a preferred embodiment of the present invention, it is also proposed that the design of new on-Line Monitor Device.
As shown in figure 5, the device mainly include gas pretreatment unit, gas sampling unit, ultrasonic atomizatio Dehumidifying element,
Spectroscopy unit etc..
More specifically, pretreatment unit 3 is arranged between the flue 1 of heat power equipment and the gas collection unit, it is used in combination
In removing as the solid particle in the gas of monitoring object；Gas sampling unit preferably includes to be incubated sampling pipe 5, mechanical pump 7
With peristaltic pump 10, the wherein insulation sampling pipe 5 is designed to possess three ports and realizes gas distribution by threeway, wherein
Its first end is provided with the gas access remained connected to the pretreatment unit 3, and for being incited somebody to action in the presence of mechanical pump 7
To being incubated in sampling pipe, its second end remains connected to gas extraction with peristaltic pump 10, and is used for the first of quantitative sampling
So far for peristaltic pump to perform late detection, its three-terminal link has purification 6,8, and is used for remaining for gas conveying
Second gas is discharged into atmospheric environment after performing harmless treatment；In addition, the insulation sampling pipe, which is also matched somebody with somebody, is arranged with temperature control component,
And to keep the temperature of gas constant in whole sampling process；
Ultrasonic atomizatio Dehumidifying element is arranged on the downstream of the peristaltic pump 10, and for described in the peristaltic pump is exported
First gas performs desolvation processing, and caused Dry aerosol then is delivered into the spectroscopy unit；The spectrum
Analytic unit includes sample introduction element 16, plasma emission spectrometer quarter bend 19 and data processing module 20, wherein sample introduction member
Dry aerosol from ultrasonic atomizatio Dehumidifying element is quantitatively fed through in plasma emission spectroscopy quarter bend 19 by part 16, Gai Dengli
Daughter emission spectrometer quarter bend 19 is used to obtain its elemental characteristic in the state of high-temperature plasma is excited to the Dry aerosol
The intensity of spectral line, the data processing module 20 are then carried out acquired elemental characteristic the intensity of spectral line and default reference data pair
Than thus Continuous plus draws the instantaneous concentration value of alkali metal and trace element in gas.
To sum up, the present invention is compared with existing scheme, can in order to manipulate, the mode of strong applicability realized to alkali in gas
The high accuracy on-line monitoring of metal and trace element concentration, while can know that its instantaneous concentration changes numerical value in real time；It is simultaneously whole
The unitary construction composition of monitoring device and some key components make targeted design, thus, it is possible to greatly expand spectrometer and matter
The scope of application that spectrometer multielement in gas is continuously monitored on-line, the features such as being provided simultaneously with compact-sized, using flexible, thus
All kinds of heat power equipments detection application scenario for the industrialized production that is particularly suitable for use in.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (10)
1. alkali metal and the on-line monitoring method of trace element concentration in a kind of gas, it is characterised in that this method includes following
Step：
A. quantitative calibration step
Configuration substrate gas identical with test gas main constituents and not containing object element to be measured, while configuration contains
There are object element to be measured and multigroup standard liquid of its known concentration；
Each group standard liquid is mixed and through being atomized dehumidification treatments immediately respectively with substrate gas, and it is molten to form multigroup standard dry gas
Each it is sent into after glue in spectrometer, thus knows series of features the intensity of spectral line of object element in each group standard Dry aerosol
Value；
Relation based on more than between multigroup standard liquid and corresponding series of features the intensity of spectral line value, it is dense to establish object element
Calibration curve math equation between degree and characteristic spectral line intensity level, and as the preset reference of follow-up actual monitoring；
B. sampling atomization and spectrometry procedure
Under test gas is performed into sampling under conditions of constant temperature is kept, atomization then is performed to sampling gas and desolvation is handled,
It is consequently formed Dry aerosol；
This Dry aerosol is fed through in spectrometer, and its elemental characteristic spectral line is obtained in the state of high-temperature plasma is excited
The actual value of intensity；
Acquired actual value is brought into above-mentioned math equation, thus direct Continuous plus, which is drawn, includes alkali under test gas
The actual concentrations value of object element including metal and trace element；
Continuous sampling is carried out under test gas by sampling unit, is persistently formed in Dry aerosol feeding spectrometer and is analyzed,
Thus a series of instantaneous concentration values that the object element including alkali metal and trace element is included under test gas are calculated, enter
And realize continuous on-line monitoring effect.
2. the method as described in claim 1, it is characterised in that in step a, it is preferred to use the mode of Mathematical Fitting is established
Math equation between object element concentration and characteristic spectral line intensity level, and its form is preferably designed to once linear side
Journey.
3. method as claimed in claim 1 or 2, it is characterised in that in stepb, preferably wrapped to the atomizing type for sampling gas
Include ultrasonic atomizatio, pressure atomization, gas atomization or rotary disk atomisation.
4. the method as described in claim 1-3 any one, it is characterised in that the object element is preferably included with sodium, potassium
For the alkali metal of representative, using cadmium, lead, zinc, antimony as representative heavy metal, using arsenic, selenium as representative trace element, and with bromine,
Iodine is the nonmetalloid of representative.
5. the method as described in claim 1-4 any one, it is characterised in that the spectrometer includes emission spectrometer, inhaled
Receive spectrometer, fluorescence spectrum, mass spectrograph or other similar devices.
6. the method as described in claim 1-5 any one, it is characterised in that under test gas preferably includes station boiler cigarette
Gas, burn furnace exhaust, steel and iron industry waste gas, pyrolysis oven product gas, gasification furnace product gas or integrated gasification combined cycle plants hair
Flue gas etc. before electric system gas turbine.
7. the on-Line Monitor Device of alkali metal and trace element concentration in a kind of gas, it is characterised in that the device includes pre- place
Unit, gas sampling unit, ultrasonic atomizatio Dehumidifying element, spectroscopy unit are managed, wherein：
The pretreatment unit (3) is arranged between the flue (1) of heat power equipment and the gas collection unit, and for removing
As the solid particle in the gas of monitoring object；
The gas sampling unit includes insulation sampling pipe (5), mechanical pump (7) and peristaltic pump (10), wherein the insulation sampling pipe
(5) it is designed to possess three ports and gas distribution is realized by threeway, wherein its first end is provided with and the pre- place
The gas access that reason unit (3) remains connected to, and for adopting gas extraction to insulation in the presence of the mechanical pump (7)
In sample pipe, its second end remains connected to the peristaltic pump (10), and for the first gas of quantitative sampling to be delivered to
For this peristaltic pump to perform late detection, its three-terminal link has purification (6,8), and is used for remaining second gas
Atmospheric environment is discharged into after performing harmless treatment；In addition, the insulation sampling pipe (5), which is also matched somebody with somebody, is arranged with temperature control component, and make
Obtain and keep the temperature of gas constant in whole sampling process；
The ultrasonic atomizatio Dehumidifying element is arranged on the downstream of the peristaltic pump (10), and the institute for the peristaltic pump to be exported
State first gas and perform desolvation processing, caused Dry aerosol is then delivered to the spectroscopy unit；
The spectroscopy unit includes sample introduction element (16), plasma emission spectrometer quarter bend (19) and data processing module
(20), wherein the sample introduction element (16) by the Dry aerosol from the ultrasonic atomizatio Dehumidifying element be quantitatively fed through the grade from
In daughter emission spectrum quarter bend (19), the plasma emission spectrometer quarter bend (19) is used to excite high temperature to the Dry aerosol
Its elemental characteristic the intensity of spectral line is obtained in the state of plasma, the data processing module (20) is then by acquired elemental characteristic
The intensity of spectral line is contrasted with default reference data, and thus Continuous plus draws the instantaneous of alkali metal and trace element in gas
Concentration value.
8. on-Line Monitor Device as claimed in claim 7, it is characterised in that the pump head of the peristaltic pump is preferably designed for double end
Out-phase magnetic head structure.
9. on-Line Monitor Device as claimed in claim 7 or 8, it is characterised in that the ultrasonic atomizatio unit comprises preferably
Desolvation module, the desolvation module has heating tube and cooling tube, and the operating temperature of the heating tube is set as
Not less than 140 DEG C, the operating temperature of the cooling tube is set as being not higher than 3 DEG C.
10. the on-Line Monitor Device as described in claim 7-9 any one, it is characterised in that above-mentioned as monitoring object
Gas preferably include flue gas in power station boiler, burn furnace exhaust, steel and iron industry waste gas, pyrolysis oven product gas, gasification furnace product gas or
Flue gas etc. before person's integrated gasification combined cycle for power generation system gas turbine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702585A (en) * | 2021-08-26 | 2021-11-26 | 山东非金属材料研究所 | Automatic capturing and digesting device for trace metal elements in high-purity gas |
| CN114049749A (en) * | 2021-11-18 | 2022-02-15 | 宝武集团鄂城钢铁有限公司 | Monitoring method and monitoring system for harmful gas |
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