CN207301017U - The continuous on-line detection device of sulfur trioxide in a kind of flue gas - Google Patents
The continuous on-line detection device of sulfur trioxide in a kind of flue gas Download PDFInfo
- Publication number
- CN207301017U CN207301017U CN201721224753.6U CN201721224753U CN207301017U CN 207301017 U CN207301017 U CN 207301017U CN 201721224753 U CN201721224753 U CN 201721224753U CN 207301017 U CN207301017 U CN 207301017U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- continuous
- bed reactor
- fluidized
- line detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model belongs to atmosphere pollution field of measuring technique, disclose a kind of continuous on-line detection device of sulfur trioxide in flue gas, including sampling pipe, first passage and second channel, the import of the sampling pipe is connected with flue, the outlet of the sampling pipe is connected with first passage and second channel respectively, the first flue gas analyzer is provided with the first passage, fluidized-bed reactor and the second flue gas analyzer are disposed with the second channel from front to back, generation chemical property can be reacted with SO3 by, which being placed with the fluidized-bed reactor, stablizes, it is not easy to condense, it is easy to the solid salt particles of the gas of detection.The utility model is simple in structure, high certainty of measurement, it is possible to achieve SO in flue gas3Continuous on-line detection.
Description
Technical field
The utility model belongs to atmosphere pollution field of measuring technique, and in particular to sulfur trioxide is continuous in a kind of flue gas
On-line measuring device.
Background technology
SO3It is one of main reason of acid rain, since it is easily formed submicron aerosol, and then forms two sulfoxylates
Particle, therefore be also PM in air2.5One of important sources.In addition, SO3It can cause boiler flue corrosion, with NH3、H2O combines generation
The NH of caking property4HSO4The problems such as also resulting in SCR inactivations, air preheater blocking.Especially in the political affairs of China's coal-fired flue-gas minimum discharge
Under plan requirement, to improve NOXRemoval efficiency, residence time of the flue gas in SCR is elongated, further increases SO in SCR2To
SO3Conversion ratio.Therefore SO in flue gas3Accurate e measurement technology be increasingly taken seriously.
Due to SO3Chemical property is active, and easily with other substance reactions, it is combined generation H with vapor2SO4Also easily in pipe
Condensed in road, and SO in coal-fired flue-gas3Concentration be far below SO2, therefore efficiently sampling and avoid SO2Interference, be SO3It is accurate
The key really measured.At present, both at home and abroad on SO3Detection main standard it is as shown in table 1 below, its predominantly detect method include control
Two kinds of condensation method and isopropanol absorption process processed.Control condensation method refers to by controlling condenser pipe temperature in vapor and the dew of sulfuric acid
Between point temperature, ensure the SO in flue gas3Condensation and vapor does not condense, prevent SO2Condense in water, so as to reach separation SO3
And SO2Purpose.Isopropanol absorption process is to SO using 80% aqueous isopropanol under condition of ice bath3Solubility it is high and to SO2Dissolving
Spend extremely low and can prevent SO2The characteristic of oxidation, separates SO3And SO2.SO after collection3, then by detecting low concentration in solution
SO4 2-Method be converted to SO in flue gas3Content, mainly have gravimetric method, Barium Chromate Spectrophotometer, the chromatography of ions, nephelometry,
Volumetric precipitation method etc..
Table 1 often uses SO3Examination criteria
What above-mentioned examination criteria used is all first to sample the method measured afterwards, can not be realized to SO3Continuous on-line monitoring,
And volume is big, flow is complicated, and human error is larger, it is difficult to realizes the instrumentation of measurement.
The U.S. Utility Patent application of Application No. US8021617 discloses Flue gas monitoring and
Dynamic spiking for sulfur trioxide/sulfuric acid, it uses two sets of parallel condensing devices and survey
Device is measured, alternates sampling and measurement, measurement accuracy is higher, but volume is larger, inconvenient to carry.
The Chinese utility model patent application of Application No. 201310376879.5 discloses sulfur trioxide in a kind of flue gas
On-line measuring device and method, it uses some condensing units in parallel, alternates sampling, then will be condensed by absorbing liquid
SO3The SO measured by liquid phase detection unit in solution is washed out in turn4 2-SO in concentration conversion flue gas3Concentration, realizes measurement
Miniaturization instrumentation.But since the sampling time of a condensing unit is generally in more than 3min, this application and US8021617
It is similar, still fall within semi-on-line and continuously measure, measurement period is not less than 3min.
The U.S. Utility Patent of Application No. US8368896 discloses Measurement of sulfur
Trioxide via spectroscopy, utilize SO3Difference with other gas componants to light absorption wavelength, measure flue gas into
The laser absorption spectrum divided, SO is determined by the quantitative analysis of spectrum3Concentration value, it is possible to achieve SO3Continuous on-line measurement,
But due to SO2With SO3Absorption spectrum exist it is certain overlapping, it is difficult to avoid high concentration SO2To SO3The interference of measurement, and
Vapor and flying dust also have a significant effect laser absorption, therefore the technology will to the Quantitative Separation of actual measuring environment and spectrum
Ask higher, there is certain technical limitation.
Utility model content
The purpose of this utility model is to provide a kind of continuous on-line detection device of sulfur trioxide in flue gas, the letter of its structure
It is single, high certainty of measurement, it is possible to achieve SO in flue gas3Continuous on-line detection.
Technical solution is used by the utility model solves its technical problem：
The continuous on-line detection device of sulfur trioxide in a kind of flue gas, including sampling pipe, first passage and second channel, institute
The import for stating sampling pipe is connected with flue, and the outlet of the sampling pipe is connected with first passage and second channel respectively, and described
The first flue gas analyzer is provided with one passage, is disposed with fluidized-bed reactor and on the second channel from front to back
Two flue gas analyzers, being placed with the fluidized-bed reactor can be with SO3Reaction generation chemical property is stable, is not easy to condense, easily
In the solid salt particles of the gas of detection.
By above-mentioned technical proposal, the both sides in the fluidized-bed reactor positioned at solid salt particles are respectively arranged with sieve plate.
By above-mentioned technical proposal, the fluidized-bed reactor is arranged vertically.
By above-mentioned technical proposal, the fluidized-bed reactor is provided outside heating furnace, and thermoelectricity is configured with the heating furnace
It is even.
By above-mentioned technical proposal, first flowmeter, the first sampling pump and the first valve are additionally provided with the first passage,
Rear end on the second channel positioned at fluidized-bed reactor is additionally provided with second flowmeter, the second sampling pump and the second valve.
The utility model, has the advantages that：The utility model is anti-into fluidized bed by making to sample flue gas all the way
Device is answered, and makes solid salt particles disposed within and the SO in flue gas3The chemical property stabilization of generation is reacted, is not easy to condense, is easy to
The gas of detection, SO in flue gas is characterized by generating the concentration of gas3Concentration is, it can be achieved that SO3High-acruracy survey；It is additionally, since
SO3It is carried out continuously with solid salt particles reaction, and generates gas and be easy to on-line measurement, therefore is characterized by generating gas concentration
SO in flue gas3Concentration is, it can be achieved that SO3Continuous on-line measurement；In addition, the utility model measuring method is simple, avoid interminable
SO3Collect link, it is easy to accomplish the miniaturization of measuring device and instrumentation.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structure diagram of the utility model embodiment.
In figure：1- sampling pipes, 2- first passages, 3- second channels, the first sieve plates of 4-, 5- solid salt particles, 6- fluid beds
Reactor, 7- thermocouples, 8- heating furnaces, the second sieve plates of 9-, 10- charging/discharging valves, 11- feed inlet and outlets, the first flue gas analyses of 12-
Instrument, 13- first flowmeters, the first sampling pumps of 14-, the first valves of 15-, the second flue gas analyzers of 16-, 17- second flowmeters,
The second sampling pumps of 18-, the second valves of 19-.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
In the preferred embodiment of the utility model, the continuous on-line detection device of sulfur trioxide, such as Fig. 1 in a kind of flue gas
It is shown, including sampling pipe 1, first passage 2 and second channel 3, the import of sampling pipe 1 is connected with flue, to be detected for gathering
Flue gas, the outlet of sampling pipe 1 is connected with first passage 2 and second channel 3 respectively, and the first flue gas is provided with first passage 2
Analyzer 12, is disposed with 6 and second flue gas analyzer 16 of fluidized-bed reactor, fluid bed on second channel 3 from front to back
Being placed with reactor 6 can be with SO3Reaction generation chemical property is stable, is not easy to condense, be easy to the solid salt of the gas of detection
Grain 5.
In the preferred embodiment of the utility model, as shown in Figure 1, positioned at solid salt particles 5 in fluidized-bed reactor 6
Both sides are respectively arranged with sieve plate.It will be referred to as the first sieve plate 4 positioned at the sieve plate of solid salt particles front end, mainly play cloth wind,
Ensure that flue gas is reacted even into participation in fluidized-bed reactor；It will be referred to as the second sieve positioned at the sieve plate of solid salt particles rear end
Plate 9, mainly plays gas solid separation, prevents solid particle from entering in flue gas analyzer.Quartzy sieve plate can be selected in sieve plate.
In the preferred embodiment of the utility model, as shown in Figure 1, fluidized-bed reactor 6 is arranged vertically, ensure solid salt
Particle is covered with the first sieve plate, so as to be contacted between flue gas and solid salt particles fully.
In the preferred embodiment of the utility model, as shown in Figure 1, fluidized-bed reactor 6 is provided outside heating furnace 8, add
Thermocouple 7 is configured with hot stove 8.Heating furnace is used for heated fluidized bed reactor, passes through controlling reaction temperature, temperature control precision
Not less than 1 DEG C, make solid salt particles and SO3The quick irreversible reaction of generation, and react and carried out by fixed molar ratio.
In the preferred embodiment of the utility model, as shown in Figure 1, be additionally provided with first passage 2 first flowmeter 13,
First sampling pump 14 and the first valve 15, the rear end on second channel 3 positioned at fluidized-bed reactor 6 are additionally provided with second flowmeter
17th, the second sampling pump 18 and the second valve 19.The instantaneous delivery of two-way flue gas is controlled respectively by two flowmeters to meet two
The measurement request of a flue gas analyzer, first flowmeter be used for control the first flue gas analyzer in gas instantaneous delivery, second
Flowmeter is used to control the gas instantaneous delivery in the second flue gas analyzer.First sampling pump is used to provide the first flue gas analyzer
Pressure needed for middle gas sampling collection, the second sampling pump are used to provide in the second flue gas analyzer pressure needed for gas sampling collection
Power.First valve is used to control the gas in first passage to flow, and the second valve is used for the gas flowing in second channel.
Correspondingly, as shown in Figure 1, the utility model also provides a kind of continuous on-line detection side of sulfur trioxide in flue gas
Method, comprises the following steps：
Sampling flue gas in flue, is divided into two-way by S1, and first via sampling flue gas is passed directly into the first flue gas analyzer 12
The middle former smoke components of measurement；
S2, the second tunnel sampling flue gas are passed through in fluidized-bed reactor 6, and the solid with being positioned in fluidized-bed reactor 6
Irreversible reaction occurs for salt particle 5, which is carried out by fixed molar ratio, solid salt particles 5 and SO in flue gas3Reaction generation
Chemical property is stable, is not easy to condense, be easy to the gas of detection, and flue gas, which is passed through in the second flue gas analyzer 16, after reaction measures reaction
Smoke components afterwards；
S3, pass through flue gas after the reaction that is measured in the former smoke components and step S2 that are measured in comparison step S1
SO in the difference of component, and the second tunnel sampling flue gas3With the equivalent proportion of solid salt particles reaction, flue gas in flue is calculated in real time
Middle SO3Concentration, realize on-line continuous detect.
In the preferred embodiment of the utility model, as shown in Figure 1, this method further includes step S4：First in step S1
Road samples flue gas and the instantaneous delivery for being passed through the first flue gas analyzer 12, cigarette after being reacted in step S2 is controlled by first flowmeter 13
Gas controls the instantaneous delivery for being passed through the second flue gas analyzer 16 by second flowmeter 17, passes through the two instantaneous deliveries and step
The SO being calculated in rapid S33Concentration, calculate the consumptions of solid salt particles, it is real in order to supplement fresh solid salt particle
Now continuous detection for a long time.Fluidized-bed reactor is configured with charging/discharging valve 10 and feed inlet and outlet 11, can discharge the solid reacted
Salt particle, supplements fresh solid salt particle.
In the preferred embodiment of the utility model, in step S2, fluidized-bed reactor is first heated and kept into constant temperature,
SO in second tunnel sampling flue gas at this temperature3Quick irreversible reaction all occurs with solid salt particles.
In the preferred embodiment of the utility model, solid salt particles NaCl, NaCl and the SO in flue gas3React
1 or reaction 2,
SO3(g)+H2O (g)+2NaCl=Na2SO4+ 2HCl (g) reactions 1
SO3(g)+H2O (g)+NaCl=NaHSO4+ HCl (g) reactions 2；
When fluidized-bed reactor is heated to 400-460 DEG C and keeps constant temperature, the NaCl and SO in flue gas3React 1,
And react 2 and do not occur, molar ratio is fixed as 2:1, and the equilibrium constant of reaction 1 is more than 105, belong to typical irreversible reaction,
So that SO3The reaction was complete.
In the preferred embodiment of the utility model, solid salt particles FeS, FeS and the SO in flue gas3React 3,
FeS+SO3(g)+H2O (g)=FeSO4+H2S (g) reactions 3；
When fluidized-bed reactor is heated to 200-460 DEG C and keeps constant temperature, SO31 is fixed as with the molar ratio of FeS:1,
And the equilibrium constant of reaction 3 is more than 105, belong to typical irreversible reaction, so that SO3The reaction was complete.
React the HCl or H of generation2The equal property of S gases is stable, is not easy to condense.
If solid salt particles are NaCl, then the first flue gas analyzer and the second flue gas analyzer should possess continuous on-line detection
The ability of HCl concentration, measures HCl concentration and is denoted as n respectivelyHCl1、nHCl2.Calculated according to the stoichiometric ratio of reaction 1, SO3Concentration
nSO3=(nHCl2-nHCl1)/2。
If solid salt particles are FeS, then the first flue gas analyzer should possess the ability of continuous on-line detection HCl, measure HCl
Concentration is denoted as nHCl3, the second flue gas analyzer should possess continuous on-line detection HCl and H2The ability of S, measures HCl and H2S concentration point
N is not denoted as itHCl4And nH2S.Since FeS can also react 4 with HCl,
FeS+2HCl (g)=FeCl2+H2S (g) reactions 4,
Calculated according to the stoichiometric ratio of reaction 3 and reaction 4, SO3Concentration nSO3=nH2S-(nHCl3-nHCl4)/2。
Two embodiments are exemplified below to be described further the utility model.
Embodiment 1
Solid salt particles are NaCl, and the utility model comprises the following steps：
S1, the NaCl particles by 20g or so, are placed in fluidized-bed reactor, fluidized-bed reactor diameter 40mm, height
160mm, fluidized-bed reactor use quartz material, it is ensured that reactor is not reacted with the gas componant in flue gas in itself, fluid bed
Reactor configurations have two sieve plates；
S2, by heating furnace be heated to 400 DEG C by fluidized-bed reactor；
S3, sampling pipe are connected with flue, gather flue gas to be detected, and sampling pipe is divided into two-way by flue gas is sampled, respectively into
Enter first passage and second channel, the flue gas in first passage is passed directly into the first flue gas analyzer that to measure former flue gas HCl dense
Spend n1, measurement accuracy 0.1ppm, the flue gas in second channel is passed through in fluidized-bed reactor and is passed through the second flue gas again after reaction
HCl concentration n in flue gas after measurement is reacted in analyzer2, measurement accuracy 0.1ppm；
S4, first flowmeter are connected with the first flue gas analyzer, for controlling the gas in the first flue gas analyzer instantaneous
Flow V1, instantaneous delivery range 0-2L/min, control accuracy 0.01L/min, second flowmeter is connected with the second flue gas analyzer,
For controlling the gas instantaneous delivery V in the second flue gas analyzer2, instantaneous delivery range 0-2L/min, control accuracy 0.01L/
min；
S5, the first sampling pump are connected with first flowmeter, are mainly used for providing gas sampling in the first flue gas analyzer and adopt
Pressure head needed for collection, the second sampling pump are connected with second flowmeter, are mainly used for providing gas sampling in the second flue gas analyzer and adopt
Pressure head needed for collection；
S6, the SO according to the stoichiometric ratio real-time online calculating flue gas for reacting 13Concentration, measurement accuracy are reachable
0.05ppm, nSO3=(n2-n1)/2, according to the consumption m of the stoichiometric ratio of reaction 1 estimation NaClNaCl,Unit mol；
S7、SO3Continuous on-line measurement stage, charging/discharging valve are always maintained at closed mode, estimate that the consumption of NaCl reaches
When 1/4, close the first valve and the second valve, open charging/discharging valve, using sample the pressure of flue gas by NaCl particles by into
Discharge port is discharged, then fresh NaCl particles are supplemented by feed inlet and outlet, after supplement is completed, opens the first valve and the second valve
Door, closes charging/discharging valve, continues SO in on-line measurement flue gas3Concentration, it is simple to vary process, can complete, press within the 1min times
Second flue gas analyzer is averaged flue gas flow 1L/min, SO in flue gas3Mean concentration 50ppm is calculated, and the NaCl theories of 20g can connect
Fresh NaCl particles are supplemented after when continuous measurement 3000 is small.
Embodiment 2
Solid salt particles are FeS, and the utility model comprises the following steps：
S1, the FeS particles by 40g or so, are placed in fluidized-bed reactor, fluidized-bed reactor diameter 40mm, height
160mm, fluidized-bed reactor use quartz material, and fluidized-bed reactor is configured with two sieve plates；
S2, by heating furnace be heated to 300 DEG C by fluidized-bed reactor；
S3, sampling pipe are connected with flue, gather flue gas to be detected, and sampling pipe is divided into two-way by flue gas is sampled, respectively into
Enter first passage and second channel, the flue gas in first passage is passed directly into the first flue gas analyzer that to measure former flue gas HCl dense
Spend n3, measurement accuracy 0.1ppm, the flue gas in second channel is passed through in fluidized-bed reactor and is passed through the second flue gas again after reaction
HCl concentration n in flue gas after measurement is reacted in analyzer4, H2S concentration n5, measurement accuracy 0.1ppm；
S4, first flowmeter are connected with the first flue gas analyzer, for controlling the gas in the first flue gas analyzer instantaneous
Flow V3, instantaneous delivery range 0-2L/min, control accuracy 0.01L/min, second flowmeter is connected with the second flue gas analyzer,
For controlling the gas instantaneous delivery V in the second flue gas analyzer4, instantaneous delivery range 0-2L/min, control accuracy 0.01L/
min；
S5, the first sampling pump are connected with first flowmeter, are mainly used for providing gas sampling in the first flue gas analyzer and adopt
Pressure head needed for collection, the second sampling pump are connected with second flowmeter, are mainly used for providing gas sampling in the second flue gas analyzer and adopt
Pressure head needed for collection；
S6, the SO according to the stoichiometric ratio real-time online of reaction 3 and reaction 4 calculating flue gas3Concentration, measurement accuracy are reachable
0.1ppm, nSO3=n5-(n3-n4)/2, according to the consumption m of the stoichiometric ratio of reaction 3 estimation FeSFeS,Unit mol；
S7、SO3Continuous on-line measurement stage, charging/discharging valve are always maintained at closed mode, estimate that the consumption of FeS reaches 1/
When 4, the first valve and the second valve are closed, charging/discharging valve is opened, FeS particles is passed through into input and output material using the pressure for sampling flue gas
Mouth discharge, then fresh FeS particles are supplemented by feed inlet and outlet, after supplement is completed, open the first valve and the second valve, pass
Charging/discharging valve is closed, continues SO in on-line measurement flue gas3Concentration, it is simple to vary process, can be completed within the 1min times, by the second cigarette
Qi leel analyzer is averaged flue gas flow 1L/min, SO in flue gas3Mean concentration 50ppm is calculated, and HCl mean concentrations 50ppm is calculated,
The FeS theories of 40g can continuously measure 1200 it is small when after be supplemented fresh FeS particles.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (5)
1. the continuous on-line detection device of sulfur trioxide in a kind of flue gas, it is characterised in that including sampling pipe, first passage and
Two passages, the import of the sampling pipe are connected with flue, and the outlet of the sampling pipe connects with first passage and second channel respectively
Connect, the first flue gas analyzer is provided with the first passage, fluid bed is disposed with from front to back on the second channel
Reactor and the second flue gas analyzer, being placed with the fluidized-bed reactor can be with SO3Reaction generation chemical property is stable, no
Easily condense, be easy to the solid salt particles of the gas of detection.
2. the continuous on-line detection device of sulfur trioxide in flue gas according to claim 1, it is characterised in that the fluidisation
In bed reactor sieve plate is respectively arranged with positioned at the both sides of solid salt particles.
3. the continuous on-line detection device of sulfur trioxide in flue gas according to claim 1, it is characterised in that the fluidisation
Bed reactor is arranged vertically.
4. the continuous on-line detection device of sulfur trioxide in flue gas according to claim 1, it is characterised in that the fluidisation
Bed reactor is provided outside heating furnace, and thermocouple is configured with the heating furnace.
5. the continuous on-line detection device of sulfur trioxide in flue gas according to claim 1, it is characterised in that described first
First flowmeter, the first sampling pump and the first valve are additionally provided with passage, is located at fluidized-bed reactor on the second channel
Rear end be additionally provided with second flowmeter, the second sampling pump and the second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224753.6U CN207301017U (en) | 2017-09-22 | 2017-09-22 | The continuous on-line detection device of sulfur trioxide in a kind of flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721224753.6U CN207301017U (en) | 2017-09-22 | 2017-09-22 | The continuous on-line detection device of sulfur trioxide in a kind of flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207301017U true CN207301017U (en) | 2018-05-01 |
Family
ID=62443221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721224753.6U Active CN207301017U (en) | 2017-09-22 | 2017-09-22 | The continuous on-line detection device of sulfur trioxide in a kind of flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207301017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515280A (en) * | 2017-09-22 | 2017-12-26 | 武汉凯迪电力环保有限公司 | The continuous on-line detection method and device of sulfur trioxide in a kind of flue gas |
| CN117890166A (en) * | 2024-03-14 | 2024-04-16 | 山西泰瑞祥科技有限公司 | Air pollution monitoring device |
-
2017
- 2017-09-22 CN CN201721224753.6U patent/CN207301017U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515280A (en) * | 2017-09-22 | 2017-12-26 | 武汉凯迪电力环保有限公司 | The continuous on-line detection method and device of sulfur trioxide in a kind of flue gas |
| CN117890166A (en) * | 2024-03-14 | 2024-04-16 | 山西泰瑞祥科技有限公司 | Air pollution monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9410872B2 (en) | Exhaust gas flowmeter and exhaust gas analyzing system | |
| CN107515280A (en) | The continuous on-line detection method and device of sulfur trioxide in a kind of flue gas | |
| CN108507918B (en) | Device and method for on-line monitoring concentration of ultralow-emission flue gas particles | |
| CN104457852A (en) | On-line monitoring system for greenhouse gas emission of fixed combustion source | |
| CN106596198A (en) | Online SO3 measuring system and method | |
| WO2022083174A1 (en) | Online measurement system and method for hcl in flue gas | |
| CN106248442B (en) | SO in a kind of detection flue gas3Method | |
| CN204241347U (en) | A kind of Novel wet smoke on-line monitoring system | |
| CN207301017U (en) | The continuous on-line detection device of sulfur trioxide in a kind of flue gas | |
| CN109342284A (en) | A kind of detection system and detection method for harmful substances from flue gases | |
| CN208766151U (en) | SO in a kind of on-line checking flue gas3The system of content | |
| CN110243638A (en) | A kind of smoke collecting apparatus and method for SCR denitration device | |
| CN202853655U (en) | Flue gas monitoring system | |
| CN211825963U (en) | SO (SO)3Calibration system of standard substance generation and on-line analyzer | |
| CN103207250B (en) | Method for testing ammonia escape of flue gas denitrification system | |
| CN108414299A (en) | A kind of stationary source exhaust gas sampling apparatus and the method for sampling | |
| CN113959792A (en) | Device and method for measuring mercury in flue gas based on low-temperature plasma pyrolysis | |
| CN104122374B (en) | The verification method of a kind of sulphur trioxide sampling test macro and device | |
| CN112129898A (en) | Device and method for on-line monitoring of sulfur trioxide concentration in coal-fired flue gas | |
| CN212134248U (en) | SO in flue gas based on condensation separation3Detection device | |
| CN207248580U (en) | One kind is based on flue-gas temperature and thermostat water bath coolant controlled SO3Sampling system | |
| CN107655728A (en) | The device and method of low volatility trace element sampling monitoring suitable for flue gas | |
| Yang et al. | Design and development of an ammonia slip detection device and system for flue gas denitration equipment | |
| CN208206808U (en) | A kind of measurement power plant's denitrating catalyst is to the device of oxidation rate of sulfur dioxide | |
| CN202720218U (en) | Verification device of flue gas emission continuous monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |