CN211824512U - Calibration device for fixed pollution source smoke emission continuous monitoring system - Google Patents
Calibration device for fixed pollution source smoke emission continuous monitoring system Download PDFInfo
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- CN211824512U CN211824512U CN202020924260.9U CN202020924260U CN211824512U CN 211824512 U CN211824512 U CN 211824512U CN 202020924260 U CN202020924260 U CN 202020924260U CN 211824512 U CN211824512 U CN 211824512U
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- Prior art keywords
- flue gas
- smoke
- obtaining
- monitoring system
- pollution source
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- 239000000779 smoke Substances 0.000 title claims abstract description 65
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000003546 flue gas Substances 0.000 claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 15
- 231100000719 pollutant Toxicity 0.000 claims abstract description 15
- 238000005303 weighing Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 9
- 239000003517 fume Substances 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000013618 particulate matter Substances 0.000 abstract description 5
- 238000004868 gas analysis Methods 0.000 abstract description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- 229910002089 NOx Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- -1 metallurgy Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model provides a fixed pollution source fume emission continuous monitoring system calibrating device, including the flue gas analysis appearance that is used for obtaining gaseous pollutant concentration, a smoke and dust sampling weighing mechanism for obtaining flue gas particulate matter concentration, a velocity measurement appearance for obtaining the flue gas velocity of flow, a temperature sensor for obtaining flue gas temperature, a pressure sensor for obtaining humidity transducer of flue gas humidity and being used for obtaining flue gas pressure, smoke and dust sampling weighing mechanism is including the smoke and dust sample thief that is used for extracting certain volume smoke and dust pollutant, the electronic balance of sampling back smoke and dust weight is got with being used for title to the drying cabinet, the flue gas analysis appearance, the smoke and dust sample thief, the velocity of flow measuring instrument, a temperature sensor, humidity transducer and pressure sensor are connected with the operating mode flue gas during the calibration. The device can comprehensively complete the field calibration of a plurality of measurement parameters in the fixed pollution source smoke emission continuous monitoring system, effectively meets the urgent field detection requirement of the fixed pollution source emission monitoring system, and improves the detection efficiency.
Description
Technical Field
The utility model relates to a measurement detects technical field, concretely relates to fixed pollution sources fume emission continuous monitoring system calibrating device.
Background
The continuous Monitoring system of the flue gas is the main apparatus for realizing the fixed pollution source Monitoring, it is a kind of pollutant discharge measurement system popularized for adapting to the national environmental management needs, it measures the Monitoring system of various pollutant concentrations in the flue gas that the fixed pollution source discharges continuously in real time through sampling mode or direct measurement mode, this system is also called CEMS (continuous emission Monitoring System) system.
The verification/calibration work of the CEMS system which is carried out at present mainly comprises the quantity transmission of a flue gas component analysis instrument, and the related main parameter is SO2、NOxAnd O2The concentration of (c). Due to the complexity of the operating environment of CEMS systems, organizations are becoming increasingly aware that the detection is significantly different between operating and non-operating conditions. Therefore, the problem is considered as an important point by specially preparing corresponding national calibration standards, and the verification requirements of the two cases are distinguished.
However, the effective operation of the CEMS system cannot be fully guaranteed by the calibration/calibration of the flue gas composition analyzer alone, and for several other parameters of the CEMS system: the flow speed, flow and dust concentration of the flue gas also need to ensure that the values are accurate and effective. Because the current flue gas flow field of the fixed pollution source is uneven and rapidly changes along with time, the tracing of the flow velocity under the working condition can only be ideally simplified, and thus the tracing accuracy of the flue gas flow and the dust concentration under the working condition is difficult to improve. Therefore, how to measure and detect the continuous emission smoke monitoring system of the fixed pollution source becomes a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
Technical problem to prior art exists, the utility model provides a fixed pollution sources fume emission continuous monitoring system calibrating device, the device can accomplish the on-the-spot calibration to multi-parameter such as sulfur dioxide, nitric oxide, nitrogen dioxide, oxygen, carbon monoxide isopycnic, flue gas velocity of flow, flue gas humiture simultaneously to flue gas particulate matter concentration, chemical pollutants.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a calibration device of a continuous monitoring system for smoke emission of a fixed pollution source comprises a smoke analyzer for obtaining the concentration of gas pollutants, a smoke sampling and weighing mechanism for obtaining the concentration of smoke particles, a flow velocity measuring instrument for obtaining the flow velocity of smoke, a temperature sensor for obtaining the temperature of the smoke, a humidity sensor for obtaining the humidity of the smoke and a pressure sensor for obtaining the pressure of the smoke, wherein the smoke sampling and weighing mechanism comprises a smoke sampler for extracting smoke pollutants with a certain volume, a drying box and an electronic balance for weighing the weight of the sampled smoke, and the smoke analyzer, the smoke sampler, the flow velocity measuring instrument, the temperature sensor, the humidity sensor and the pressure sensor are connected with working condition smoke during calibration.
Compared with the prior art, the utility model provides a fixed pollution source fume emission continuous monitoring system calibrating device, the standard instrument of different grade type is concentrated on one set of on-the-spot calibrating device and is come, synthesize and accomplish fixed pollution source fume emission continuous monitoring system gas pollutant concentration, flue gas particulate matter concentration, the flue gas velocity of flow, the flue gas temperature, the on-the-spot calibration of a plurality of measurement parameters such as flue gas pressure, multi-parameter on-the-spot calibration has been realized promptly, effectively solved fixed pollution source and discharged urgent on-the-spot measuring demand, detection efficiency is greatly improved, can be used to the electricity generation, steel and iron, metallurgy, petroleum, chemical industry, the on-the-spot calibration of industrial field fixed pollution source fume emission continuous monitoring system such as msw incineration.
Further, the flue gas analyzer adopts MRU Vario Plus flue gas analysis equipment.
Furthermore, the smoke sampler adopts a TH-880F type microcomputer smoke parallel sampling instrument.
Further, the flow rate measuring instrument adopts a pitot tube.
Drawings
Fig. 1 is the utility model provides a calibration device principle structure schematic diagram of a fixed pollution source fume emission continuous monitoring system.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1, the utility model provides a calibration device for a continuous monitoring system of fixed pollutant source smoke emission, which comprises a smoke analyzer for obtaining the concentration of gas pollutants, a smoke sampling and weighing mechanism for obtaining the concentration of smoke particles, a flow rate measuring instrument for obtaining the flow rate of smoke, and a device for obtaining the flow rate of smokeThe smoke dust sampling and weighing mechanism comprises a smoke dust sampler for extracting smoke dust pollutants with a certain volume, a drying box and an electronic balance for weighing the weight of the sampled smoke dust, and the smoke gas analyzer, the smoke dust sampler, the flow velocity measuring instrument, the temperature sensor, the humidity sensor and the pressure sensor are connected with working condition smoke gas during calibration. Specifically, the flue gas analyzer is used for continuously analyzing and measuring CO by using an electrochemical sensor2、CO、NOx、SO2The equipment for waiting the smoke content is mainly used for handheld use of environmental monitoring near pollution emission or pollution sources of small fuel oil and gas boilers, and can be divided into a handheld smoke analyzer and a fixed connection line recording smoke analyzer according to the use mode; the smoke sampler is a device for collecting and fixing the content of particulate matters in exhaust of a pollution source by adopting a pitot tube parallel constant-speed sampling method, qualitatively and quantitatively measuring the concentration of harmful gases in smoke by applying a constant-potential electrolysis method, realizing the same-machine detection of smoke and dust, extracting certain volume of smoke to pass through a dust collecting device with known weight by adopting the constant-speed sampling method, and calculating the concentration of the particulate matters in the exhaust by adopting the following formula according to the weight difference and the sampling volume before and after the sampling of the dust collecting device:
csi,Par＝Gi/Vi
in the formula, csi,ParThe concentration of the particulate matters measured by the ith smoke sampler is represented, i is 1-6 mg/m3；GiRepresenting the weight of the ith particulate matter sample, wherein the weight difference of the filter cartridge sampled before and after sampling is 1-6 mg; viThe sampling volume of the ith sampling (the volume of flue gas with 6 percent of oxygen content converted into standard state) is expressed, i is 1-6, m3. The corrected system and the smoke sampler simultaneously measure the particulate matters, and the average value of the concentration of the particulate matters measured by the corrected system in the corresponding time period is used as a system measurement value csi,Par。
Compared with the prior art, the utility model provides a fixed pollution source fume emission continuous monitoring system calibrating device, the standard instrument of different grade type is concentrated on one set of on-the-spot calibrating device and is come, synthesize and accomplish fixed pollution source fume emission continuous monitoring system gas pollutant concentration, flue gas particulate matter concentration, the flue gas velocity of flow, the flue gas temperature, the on-the-spot calibration of a plurality of measurement parameters such as flue gas pressure, multi-parameter on-the-spot calibration has been realized promptly, effectively solved fixed pollution source and discharged urgent on-the-spot measuring demand, detection efficiency is greatly improved, can be used to the electricity generation, steel and iron, metallurgy, petroleum, chemical industry, the on-the-spot calibration of industrial field fixed pollution source fume emission continuous monitoring system such as msw incineration.
As a specific embodiment, the flue gas analyzer is implemented by using an existing MRU variao Plus flue gas analyzing device, which comprehensively utilizes various measurement principles such as electrochemistry, infrared and thermal conductivity, and is used for measuring the concentration of chemical pollutants (sulfur dioxide, nitrogen monoxide, nitrogen dioxide, oxygen, carbon monoxide, etc.), measuring the temperature of flue gas, and measuring the flow rate of flue gas by using a pitot tube. The flue gas analyzer adopts a powerful gas sampling pump, and basically meets the application of most of the existing flue pressure conditions.
As a specific embodiment, the smoke sampler is realized by adopting the existing Wuhan Tianhong TH-880F type microcomputer smoke parallel sampler, and the sampler is used for sampling smoke and measuring the flow rate, the temperature and the humidity of the smoke and the pressure of the smoke; the drying box is used for drying the filter membrane and the filter cartridge with the smoke particles; the electronic balance is realized by adopting two types of BSA224S and MS105 DU.
As a specific embodiment, the flow rate measuring instrument is implemented by using an existing pitot tube, which is also called a pitot tube, and is an instrument for calculating the flow rate by measuring the difference between the total pressure and the static pressure of the fluid. The temperature sensor, the humidity sensor and the pressure sensor are measuring and sensing parts of a flue gas analyzer and a smoke sampler, and can be realized by adopting the existing sensing devices well known by the technical personnel in the field.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (4)
1. The calibration device is characterized by comprising a flue gas analyzer for obtaining the concentration of gas pollutants, a smoke dust sampling and weighing mechanism for obtaining the concentration of particulate matters in the flue gas, a flow velocity measuring instrument for obtaining the flow velocity of the flue gas, a temperature sensor for obtaining the temperature of the flue gas, a humidity sensor for obtaining the humidity of the flue gas and a pressure sensor for obtaining the pressure of the flue gas, wherein the smoke dust sampling and weighing mechanism comprises a smoke dust sampler for extracting certain volume of smoke dust pollutants, a drying box and an electronic balance for weighing the weight of the sampled smoke dust, and the flue gas analyzer, the smoke dust sampler, the flow velocity measuring instrument, the temperature sensor, the humidity sensor and the pressure sensor are connected with the flue gas under the working condition during calibration.
2. The device for calibrating a continuous monitoring system for the emission of flue gases from stationary pollution sources according to claim 1, wherein the flue gas analyzer uses MRU Vario Plus flue gas analyzer.
3. The calibration device for the continuous monitoring system of the smoke discharge of the fixed pollution source as claimed in claim 1, wherein the smoke sampler is a TH-880F microcomputer smoke parallel sampler.
4. The calibration device for the continuous monitoring system for the smoke emission of a stationary pollution source according to claim 1, wherein the flow rate measuring instrument is a pitot tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020924260.9U CN211824512U (en) | 2020-05-27 | 2020-05-27 | Calibration device for fixed pollution source smoke emission continuous monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020924260.9U CN211824512U (en) | 2020-05-27 | 2020-05-27 | Calibration device for fixed pollution source smoke emission continuous monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211824512U true CN211824512U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020924260.9U Expired - Fee Related CN211824512U (en) | 2020-05-27 | 2020-05-27 | Calibration device for fixed pollution source smoke emission continuous monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211824512U (en) |
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2020
- 2020-05-27 CN CN202020924260.9U patent/CN211824512U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |