CN108088711A - Mercury sampling apparatus in a kind of coal steam-electric plant smoke - Google Patents
Mercury sampling apparatus in a kind of coal steam-electric plant smoke Download PDFInfo
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- CN108088711A CN108088711A CN201810124069.3A CN201810124069A CN108088711A CN 108088711 A CN108088711 A CN 108088711A CN 201810124069 A CN201810124069 A CN 201810124069A CN 108088711 A CN108088711 A CN 108088711A
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- mercury
- flue gas
- sampling
- filter cylinder
- absorption bottle
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 77
- 238000005070 sampling Methods 0.000 title claims abstract description 63
- 239000000779 smoke Substances 0.000 title claims abstract description 11
- 239000003245 coal Substances 0.000 title claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000003546 flue gas Substances 0.000 claims abstract description 60
- 238000010521 absorption reaction Methods 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 10
- 230000003189 isokinetic effect Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 230000000740 bleeding effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 238000004458 analytical method Methods 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 101100535275 Caenorhabditis elegans syg-1 gene Proteins 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 239000008896 Opium Substances 0.000 description 1
- 238000002530 cold vapour atomic fluorescence spectroscopy Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 description 1
- 229960001027 opium Drugs 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses mercury sampling apparatus in a kind of coal steam-electric plant smoke, which includes：Sampling pipe, for being sampled to flue gas；Filter cylinder for receiving the flue gas of sampling pipe acquisition, captures particle mercury therein；Absorption bottle group, for being received by the flue gas of filter cylinder, gathering the mercury of other forms.It, can be to the complete analysis of mercury in flue gas various forms using the scheme of invention.Scientific research, which can be used, can be used for daily monitoring.A kind of efficiently feasible method of sampling is provided for coal-burning boiler and thermal power plant.
Description
Technical field
The present invention relates to field of Environment Protection, and in particular to mercury sampling apparatus in a kind of coal steam-electric plant smoke is used for thermal power plant's cigarette
Mercury samples in gas, can accurately gather particle mercury, oxidation state mercury, element mercury in flue gas simultaneously.
Background technology
Coal-burning power plant of China mercury emission accounts for the 33.6% of Mercury In The Air total emission volumn, occupies first of every profession and trade, it has also become after
The fourth-largest pollutant after dust, SO2, NOX.In order to effectively control the discharge of coal-fired flue-gas mercury,《Thermal power plant atmosphere pollution row
Put standard》(GB13223-2011) the clear stipulaties discharge index of coal-fired plant flue gas mercury and mercuric compounds for the first time.From 2015
From on January 1, in, to existing and newly-built thermal power generation coal-burning boiler, mercury and mercuric compounds are required for performing the dirt of 0.03mg/m3
Contaminate object emission limit.
For other pollutants, the measure in coal-fired flue-gas is there are following difficult point, and first, mercury exists in flue gas
Complex shape, be divided into 3 kinds of element mercury (Hg0), oxidation state mercury (Hg2+) and particle mercury (Hgp) forms, and 3 kinds of forms
Also exist between mercury and mutually convert.Secondly, detection limit is low, and the concentration of emission of mercury in flue gas is four or five generally lower than SO2, NOX etc.
The order of magnitude reaches 10-9 grades.
Coal-fired Power Plant in China mercury emissions measurement technology method is summarized as two major classes at present：One kind is on-line analysis method,
Another kind of is sampling analysis method.Sampling and analyzing method is divided into as liquid absorption sampling analysis method and dry absorbent sampling analysis method.
Liquid absorption sampling method mainly has：Ontario method, U.S. EPA-Method30B methods, 13211 methods of Britain BS EN etc..
Ontario method has been used as standard method to use, and sensitivity is higher, and accurately can obtain gaseous state list in flue gas simultaneously
Matter mercury, gaseous state bivalent mercury, the content of particle mercury, for checking on-line sampling analysis system.Mercury test based on Ontario method
Instrument is the ESC A-2000 Full-automatic tobacco bicycle pump sampling systems of U.S.'s thermoelectricity, expensive, and only large-scale scientific research institutions adopt at present
Purchase.Daily mercury monitoring is inapplicable, is mainly used for scientific research field.
U.S. EPA-method30B methods are activated carbon adsorption tube method, can carry out discharging total mercury, i.e. (Hg0+Hg2 in flue gas
+).It can not HgP tests.
13211 methods of Britain BS EN are not applied in China.
The content of the invention
(1) technical problems to be solved
In order to overcome the drawbacks described above of the prior art, the present invention proposes mercury sampling apparatus in a kind of coal steam-electric plant smoke, can
Particle mercury, oxidation state mercury, element mercury in accurate acquisition flue gas simultaneously.
(2) technical solution
Mercury sampling apparatus in the coal steam-electric plant smoke proposed according to the present invention, the device include：Sampling pipe, for flue gas into
Row sampling；Filter cylinder for receiving the flue gas of sampling pipe acquisition, captures particle mercury therein；Absorption bottle group, for filtered
The flue gas of cylinder is received, and gathers the mercury of other forms.
Preferably, absorption bottle group further comprises：KCl solution absorption bottles, HNO3-H2O2 solution absorption bottles, KMnO4-
H2SO4 solution absorption bottles, absorbed on silica gel bottle 15.
Preferably, the absorption bottle group is arranged in ice bath case, is maintained the temperature at below zero degrees celsius.
Preferably, the filter cylinder includes the absorption bottle equipped with absorbing liquid, for being inhaled to Elemental Mercury, bivalent mercury in flue gas
It receives.
Preferably, the filter cylinder further comprises drier, for being dried by the flue gas of absorption bottle.
Preferably, which further comprises sensor, for detecting smoke behavior.
Preferably, which further comprises microprocessing systems, for receiving the information of the sensor transmission, and to institute
Information is stated to be handled.
Preferably, which further comprises：Aspiration pump, for extracting the flue gas of certain volume；Flow regulator is used
In the output pumped according to microprocessing systems result of calculation come bleeding regulating, so as to bleeding regulating amount, isokinetic sampling is realized.
Preferably, which further comprises：Pitot tube, for measuring quiet, dynamic pressure in flue gas, its one end is connected in flue
Flue gas, other end connection microprocessing systems, the information that microprocessing systems are measured according to Pitot tube carry out flue gas flow rate calculating.
Preferably, which further comprises：Thermocouple, for measuring flue-gas temperature, one end in contact flue gas in flue
By the laggard trip temperature measurement of temperature sensor, other end connection microprocessing systems, microprocessing systems utilize thermocouple measurement
Information carries out sampling volume calculating.
(3) advantageous effect
It, can be to the complete analysis of mercury in flue gas various forms using the scheme of invention.Scientific research, which can be used, to be used
In daily monitoring.A kind of efficiently feasible method of sampling is provided for coal-burning boiler and thermal power plant.
Description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and the principle for explaining the present invention together with specification.
Fig. 1 shows the practice picture of the mercury sampling apparatus proposed according to the present invention.
Fig. 2 shows the schematic diagram of the mercury sampling apparatus proposed according to the present invention.
Fig. 3 shows the structure chart of ice bath case in the mercury sampling apparatus proposed according to the present invention.
Fig. 4 shows the pictorial diagram of ice bath case in the mercury sampling apparatus proposed according to the present invention.
Fig. 5 shows the picture to mercury spot sampling in coal steam-electric plant smoke using mercury sampling apparatus of the invention.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
The present invention proposes a kind of mercury sampling apparatus, is mainly used for the sampling of mercury in coal-burning boiler or coal steam-electric plant smoke.The dress
Particle mercury, divalent state mercury and elemental mercury can be gathered simultaneously by putting.Fig. 2 shows the schematic diagram of the device, which includes：Heat
Galvanic couple 1, Pitot tube 2, sampling 3, absorption bottle, drier 4, micro-pressure sensor 5, pressure sensor 6, temperature sensor 7, flow pass
Sensor 8, flow regulator 9, aspiration pump 10, microprocessing systems 11.
For thermocouple 1 for measuring flue-gas temperature, its one end (left end in Fig. 1) contact flue gas in flue passes through temperature sensor
Laggard trip temperature measurement, the other end (right end in Fig. 1) connection microprocessing systems carry out sampling volume calculating.Pitot tube 2 is used to survey
Measure quiet, dynamic pressure in flue gas, its one end (left end in Fig. 1) connection flue gas in flue, the other end (right end in Fig. 1) connection microprocessor system
System carries out flue gas flow rate calculating.Sampling pipe 3 is for sampling flue gas, and sampling pipe 3 leads to filter cylinder, for carrying out particle mercury
Trapping.Filter cylinder includes absorption bottle 4a and drier 4b, absorbing liquid is fitted into absorption bottle 4a, Elemental Mercury, bivalent mercury in flue gas are carried out
It absorbs, that is, captures particle mercury.By absorption bottle 4a filter after flue gas through pipeline enter drier 4b drying after, then through pipeline into
Enter ice bath case 16.
Micro-pressure sensor 5, pressure sensor 6, temperature sensor 7, flow sensor 8, by the pressure detected, temperature,
Flow is converted to electric signal or other forms output.Flow regulator 9, according to microprocessing systems result of calculation come bleeding regulating
The output of pump, so as to bleeding regulating amount.Aspiration pump 10, for extracting the flue gas of certain volume, trapping absorbs mercury in flue gas.It is micro-
The data that processing system 11 is provided according to each sensor calculate sampling exhaust gas volumn, realize isokinetic sampling.
Absorption bottle group is disposed in ice bath case 16, Fig. 3 show structure chart, and Fig. 4 show picture in kind.
With reference to Fig. 3 and Fig. 4, which includes ice bath case 16, and KCl solution absorption bottle 12, HNO is provided in ice bath case 163-
H2O2Solution absorption bottle 13, KMnO4-H2SO4Solution absorption bottle 14, absorbed on silica gel bottle 15.Ice bath case 16 controls absorption bottle group
Below zero degrees celsius, be conducive to the absorption of mercury in flue gas.KCl solution absorption bottle 12 is used to absorb divalent state mercury (Hg2+)。HNO3-
H2O2Solution absorption bottle 13, KMnO4-H2SO4Solution absorption bottle 14 is used to absorb elemental mercury (Hg0).Absorbed on silica gel bottle 15 is used for
Absorb moisture in flue gas.
It is in the live mercury in flue gas sampling flow of progress using mercury sampling apparatus shown in FIG. 1：First by sampling pipe 3 by adopting
Sample hole is put into flue, sampling mouth is placed on measuring point, face airflow direction, and a certain amount of cigarette is extracted by isokinetic sampling's requirement
Gas.Particle mercury is trapped by filter cylinder in Fig. 23, and Elemental Mercury and divalent state mercury are absorbed by absorbing liquid in Fig. 3 absorption bottle groups.Sampling knot
Beam send lab analysis, according to gas volume and various state mercury contents is extracted, calculates particle mercury, Elemental Mercury, divalent mercury emissions
Concentration and total emission volumn.
The advantages of device is can to gather particle mercury in flue gas, divalent state mercury and Elemental Mercury simultaneously, each shape in flue gas
State mercury is captured or absorbs completely.Current country's mercury in flue gas is measured as mercury and mercuric compounds establishing criteria and is fixed for HJ543
The measure cold atomic absorbent spectrophotometry of waste gas of pollutant mercury.Total mercury in flue gas (i.e. mercury and mercuric compounds) can only be tested.
Building for the above-mentioned sampling apparatus for mercury in flue gas, meets standard GB/T/T16157《Concentration in Fixed Pollutants Source
Middle particulate matter and the gaseous pollutant method of sampling》Measure requirement on pollutant in exhaust.Sample position is selected in boiler tail
Representational section is obtained in portion's horizontal flue, sample mode is isokinetic sampling, i.e., gas enter the speed of sampling mouth should be with
The velocity of flue gas of sampled point is equal.By sample Pitot tube on opium pipe and Hygrothermograph through sensor by the pressure monitored,
The parameters such as temperature and humidity, flue gas flow rate is calculated by microprocessor control system, is tracked flow according to constant speed, is controlled aspiration pump
Exhaust capacity, so as to fulfill actual flow with calculate sampling flow it is equal.
Preparation before sampling：Glass fiber filter cylinder is dried under lab and is weighed into constant weight.Prepare absorbing liquid
1mol/LKCl, 5%v/v HNO3- 10%v/vH2O2, 4%w/v KMnO4- 10%v/vH2SO4。
Spot sampling works：The number and location of sampled point are determined according to flue size, first predicted velocity is selected suitably
Mouth is sampled, measures flue-gas temperature and moisture, filter cylinder (device of particle mercury in filtering or retention flue gas) is packed into and adopted
In sample rifle, absorbing liquid is packed into absorption bottle group, preheats sampling gun and pipeline, and after checking air-tightness, sampling gun and sample lines are kept
It 120~150 DEG C, is sampled using isokinetic sampling's device, the sampling time is set as 5min, and flue gas is after filtering into 8 leachings
Drexel bottle in ice bath pot is collected；The moisture in flue gas is finally absorbed by the absorption bottle for filling silica gel.After sampling, tweezers
Filter cylinder is put into glass dish and is preserved, carries out the transfer, resolution and measure of absorbing liquid.And record sampling exhaust gas volumn, sampling time
And the parameters such as boiler load.
Filter cylinder is put into the counteracting tank for filling HF and chloroazotic acid by laboratory to be cleared up.All recovered liquids and digestion solution are adopted
It is measured with SYG-1 type Cold Atomic Fluorescent Mercury spectrometers (CVAFS) and calculates various forms mercury content in flue gas.Testing crew shows
Quarry sampling is as shown in Figure 4.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. mercury sampling apparatus in a kind of coal steam-electric plant smoke, the device include：
Sampling pipe, for being sampled to flue gas；
Filter cylinder for receiving the flue gas of sampling pipe acquisition, captures particle mercury therein；
Absorption bottle group, for being received by the flue gas of filter cylinder, gathering the mercury of other forms.
2. the apparatus according to claim 1, which is characterized in that absorption bottle group further comprises：KCl solution absorption bottles,
HNO3-H2O2 solution absorption bottles, KMnO4-H2SO4 solution absorption bottles, absorbed on silica gel bottle 15.
3. the apparatus of claim 2, which is characterized in that the absorption bottle group is arranged in ice bath case, keeps temperature
Below zero degrees celsius.
4. the apparatus according to claim 1, which is characterized in that the filter cylinder includes the absorption bottle equipped with absorbing liquid, is used for
Elemental Mercury, bivalent mercury in flue gas are absorbed.
5. device according to claim 4, which is characterized in that the filter cylinder further comprises drier, for passing through
The flue gas of absorption bottle is dried.
6. according to claim 1-5 any one of them devices, which is characterized in that the device further comprises sensor, is used for
Detect smoke behavior.
7. device according to claim 6, which is characterized in that the device further comprises microprocessing systems, for receiving
The information of the sensor transmission, and described information is handled.
8. device according to claim 7, which is characterized in that the device further comprises：Aspiration pump, it is certain for extracting
The flue gas of volume；Flow regulator, for the output pumped according to microprocessing systems result of calculation come bleeding regulating, so as to adjust
Rate of air sucked in required realizes isokinetic sampling.
9. device according to claim 8, which is characterized in that the device further comprises：Pitot tube, for measuring flue gas
In quiet, dynamic pressure, its one end connection flue gas in flue, other end connection microprocessing systems, microprocessing systems measure according to Pitot tube
Information carry out flue gas flow rate calculating.
10. device according to claim 9, which is characterized in that the device further comprises：Thermocouple, for measuring cigarette
Temperature degree, one end in contact flue gas in flue connect microprocessing systems by the laggard trip temperature measurement of temperature sensor, the other end,
Microprocessing systems carry out sampling volume calculating using the information of thermocouple measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124069.3A CN108088711A (en) | 2018-02-07 | 2018-02-07 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124069.3A CN108088711A (en) | 2018-02-07 | 2018-02-07 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
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| Publication Number | Publication Date |
|---|---|
| CN108088711A true CN108088711A (en) | 2018-05-29 |
Family
ID=62194390
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810124069.3A Pending CN108088711A (en) | 2018-02-07 | 2018-02-07 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894491A (en) * | 2017-10-27 | 2018-04-10 | 东南大学 | Test the device and method of water soluble ion concentration in wet desulphurization neat stress |
| CN110514485A (en) * | 2019-09-30 | 2019-11-29 | 福建省锅炉压力容器检验研究院 | A kind of stationary source mercury in flue gas sampling apparatus |
| CN110887935A (en) * | 2018-09-07 | 2020-03-17 | 七星瓢虫环境科技（苏州）有限公司 | Mercury vapor detection device and method |
| CN111175182A (en) * | 2020-01-08 | 2020-05-19 | 华电内蒙古能源有限公司包头发电分公司 | Method for measuring density of desulfurized limestone slurry of thermal power plant |
| CN111426526A (en) * | 2020-04-16 | 2020-07-17 | 南京理工大学 | Device and method for simultaneously sampling multiple-valence mercury in coal-fired flue gas |
| CN111458458A (en) * | 2020-04-16 | 2020-07-28 | 南京理工大学 | Coal-fired flue gas multivalent mercury total concentration measuring device |
| CN113640068A (en) * | 2021-08-31 | 2021-11-12 | 苏州西热节能环保技术有限公司 | Multipurpose flue gas sampling system |
| CN114487270A (en) * | 2021-10-11 | 2022-05-13 | 清华大学 | Fractal state testing method and testing device for whole-process flue gas mercury of fixed pollution source |
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| CN204043965U (en) * | 2014-08-04 | 2014-12-24 | 青岛众瑞智能仪器有限公司 | A kind of gas mercury comprehensively sampling device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894491A (en) * | 2017-10-27 | 2018-04-10 | 东南大学 | Test the device and method of water soluble ion concentration in wet desulphurization neat stress |
| CN110887935A (en) * | 2018-09-07 | 2020-03-17 | 七星瓢虫环境科技（苏州）有限公司 | Mercury vapor detection device and method |
| CN110514485A (en) * | 2019-09-30 | 2019-11-29 | 福建省锅炉压力容器检验研究院 | A kind of stationary source mercury in flue gas sampling apparatus |
| CN111175182A (en) * | 2020-01-08 | 2020-05-19 | 华电内蒙古能源有限公司包头发电分公司 | Method for measuring density of desulfurized limestone slurry of thermal power plant |
| CN111426526A (en) * | 2020-04-16 | 2020-07-17 | 南京理工大学 | Device and method for simultaneously sampling multiple-valence mercury in coal-fired flue gas |
| CN111458458A (en) * | 2020-04-16 | 2020-07-28 | 南京理工大学 | Coal-fired flue gas multivalent mercury total concentration measuring device |
| CN113640068A (en) * | 2021-08-31 | 2021-11-12 | 苏州西热节能环保技术有限公司 | Multipurpose flue gas sampling system |
| CN114487270A (en) * | 2021-10-11 | 2022-05-13 | 清华大学 | Fractal state testing method and testing device for whole-process flue gas mercury of fixed pollution source |
| CN114487270B (en) * | 2021-10-11 | 2022-11-18 | 清华大学 | Fractal state testing method and testing device for whole-process flue gas mercury of fixed pollution source |
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