CN110208464A - A kind of smoke composition content detection device and detection method - Google Patents
A kind of smoke composition content detection device and detection method Download PDFInfo
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- CN110208464A CN110208464A CN201910549252.2A CN201910549252A CN110208464A CN 110208464 A CN110208464 A CN 110208464A CN 201910549252 A CN201910549252 A CN 201910549252A CN 110208464 A CN110208464 A CN 110208464A
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- cyclone dust
- dust collectors
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- detection device
- exhaust pipe
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 239000000779 smoke Substances 0.000 title claims abstract description 40
- 239000000203 mixture Substances 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 83
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 239000003546 flue gas Substances 0.000 claims description 37
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 210000003437 trachea Anatomy 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000008092 positive effect Effects 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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2211—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with cyclones
-
- 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
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
-
- 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
-
- 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
-
- 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0054—Ammonia
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of smoke composition content detection device and detection method, detection device includes dust-extraction unit comprising the top of cyclone dust collectors is stretched out in cyclone dust collectors and the exhaust pipe being set in cyclone dust collectors, the upper end of exhaust pipe；Air inlet pipe is communicated on the outer wall of cyclone dust collectors upper end, cyclone dust collectors outlet at bottom is communicated with smoke collecting tube, is equipped with unloading valve at cyclone dust collectors outlet at bottom；Detection pipe is installed, detection pipe passes through the outer wall of cyclone dust collectors and is connected with exhaust pipe on the outer wall of cyclone dust collectors；It further include detection device, the sampling probe of measuring device passes through detection pipe and extend into exhaust pipe.Smoke composition content detection device structure of the invention is simple, easy to operate, and the detection efficiency and accuracy rate of smoke composition content can be improved.
Description
Technical field
The present invention relates to flue gas inspection technical field, a kind of smoke composition content detection device and detection are related in particular to
Method.
Background technique
Flue gas typically refers to temperature in 260 DEG C or so, the industrial waste gas containing a large amount of dust, these exhaust gas mainly from
The industrial departments such as cement plant, metallurgical works, garbage burning factory.This kind of exhaust gas, which contains, is largely easy the object polluted the environment
Matter, such as nitrogen oxides, oxysulfide, ammonia component etc. need to carry out sampling analysis to flue gas, measure each component in flue gas
And its content, in order to targetedly be administered.
The existing component to flue gas in flue generally carries out sampling analysis with sampling instrument, and the flue through flue gas circulation is more
Huge, for diameter substantially at 10 meters or more, the sampled point of sampling instrument is distributed in the different location of flue more dispersedly, causes to measure
Work is complicated, moreover, the dust particles etc. floated in flue gas will affect measurement accurately, causes measurement error big.
Summary of the invention
The purpose of the present invention is to provide a kind of smoke composition content detection device and detection methods, to solve existing cigarette
Measurement error existing for gas component content detection technique is big, measures the defect of work complexity.
For this purpose, the present invention provides a kind of smoke composition content detection device, including dust-extraction unit comprising cyclone dust removal
Device and the exhaust pipe being set in the cyclone dust collectors, the top of the cyclone dust collectors is stretched out in the upper end of the exhaust pipe；
Air inlet pipe is communicated on the outer wall of the cyclone dust collectors upper end, the cyclone dust collectors outlet at bottom is communicated with smoke collecting tube, institute
It states and is equipped with unloading valve at cyclone dust collectors outlet at bottom；Detection pipe, the detection are installed on the outer wall of the cyclone dust collectors
Pipe across the cyclone dust collectors outer wall and be connected with the exhaust pipe；It further include detection device, the measuring device
Sampling probe passes through the detection pipe and extend into the exhaust pipe.
Preferably, the detection device includes ammonia detection device and CEMS analyzer, and the ammonia detection device takes
Sample probe is across the detection pipe and extend into the exhaust pipe, and the sampling probe of the CEMS analyzer passes through the detection
It manages and extend into the exhaust pipe.
Preferably, the outer wall of the cyclone dust collectors, which is equipped with, compares pipe, and the comparison pipe is across the cyclone dust collectors
Outer wall and be connected with the exhaust pipe.
Preferably, the first trachea, first trachea and the exhaust pipe are communicated on the outer wall of the smoke collecting tube
Between be communicated with the second trachea.
The detection method of smoke composition content detection device of the invention includes: flue gas entered from the air inlet pipe it is described
In cyclone dust collectors, the flue gas after the cyclone dust collectors dedusting is entered in the exhaust pipe；Through the cyclone dust removal
When flue gas after device dedusting flows through the exhaust pipe, opens the detection device and the flue gas in the exhaust pipe is examined
It surveys.
Preferably, the dust obtained through the cyclone dust collectors dedusting drops into the cyclone dust collectors bottom, described to unload
Grey valve is automatically opened at interval of one end time, so that dust drops into the smoke collecting tube.
Preferably, the flue gas after the cyclone dust collectors dedusting is discharged from the upper end of the exhaust pipe, and passes through institute
State the second trachea, first trachea enters in the smoke collecting tube.
Compared with prior art, the advantages and positive effects of the present invention are: the present invention provides a kind of smoke composition contents
Detection device and detection method, detection device include dust-extraction unit comprising cyclone dust collectors and are set in the cyclone dust removal
The top of the cyclone dust collectors is stretched out in exhaust pipe in device, the upper end of the exhaust pipe；Outside the cyclone dust collectors upper end
It is communicated with air inlet pipe on wall, the cyclone dust collectors outlet at bottom is communicated with smoke collecting tube, at the cyclone dust collectors outlet at bottom
Equipped with unloading valve；Detection pipe is installed, the detection pipe passes through the cyclone dust collectors on the outer wall of the cyclone dust collectors
Outer wall is simultaneously connected with the exhaust pipe；It further include detection device, the sampling probe of the measuring device passes through the detection pipe
And it extend into the exhaust pipe.Smoke composition content detection device structure of the invention is simple, easy to operate, and cigarette can be improved
The detection efficiency and accuracy rate of gas component content.Flue gas is entered in cyclone dust collectors from air inlet pipe and is dusted, after dedusting
Flue gas enter in exhaust pipe；The sampling probe of detection device passes through detection pipe and extend into exhaust pipe, so as to right
Flue gas after dedusting is sampled to be measured with component；First flue gas is dusted, removes the dust particles in flue gas, then again
Carry out the measurement of component content, can influence to avoid the dust particles in flue gas to measurement result, improve measurement accuracy.This hair
Bright measuring device can be to be multiple, and multiple measuring devices can concentrate on a cyclone dust collectors being sampled, sampling side
Just, it can simplify measurement operation, reduce labor intensity, improve measurement efficiency.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of smoke composition content detection device of the present invention.
Specific embodiment
Detailed description of the preferred embodiments below, it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As shown in Figure 1, the smoke composition content detection device of the present embodiment includes dust-extraction unit comprising cyclone dust collectors
1 and the exhaust pipe 2 that is set in cyclone dust collectors 1, the upper end of exhaust pipe 2 stretch out the top of cyclone dust collectors 1；Cyclone dust collectors
Air inlet pipe 3 is communicated on the outer wall of 2 upper ends, 2 outlet at bottom of cyclone dust collectors is communicated with smoke collecting tube 4, and 2 bottom of cyclone dust collectors goes out
Mouth is equipped with unloading valve 5；Detection pipe 6 is installed on 1 outer wall of cyclone dust collectors, detection pipe 6 pass through the outer wall of cyclone dust collectors 1 and with
Exhaust pipe 2 is connected；It further include detection device, the sampling probe of measuring device passes through detection pipe 6 and extend into exhaust pipe 2.
The smoke composition content detection device structure of the present embodiment is simple, easy to operate, and smoke composition content can be improved
Detection efficiency and accuracy rate.Flue gas is entered in cyclone dust collectors 1 from air inlet pipe 3 and is dusted, the flue gas after dedusting into
Enter into exhaust pipe 2；The sampling probe of detection device is passed through and detection pipe 6 and is extend into exhaust pipe 2, so as to dedusting it
Flue gas afterwards is sampled to be measured with component；First flue gas is dusted, removes the dust particles in flue gas, then carries out group again
The measurement of part content, can influence to avoid the dust particles in flue gas to measurement result, improve measurement accuracy.The present embodiment
Measuring device can be to be multiple, and multiple measuring devices can concentrate on a cyclone dust collectors 1 being sampled, and sampling is convenient,
It can simplify measurement operation, reduce labor intensity, improve measurement efficiency.
Preferably, the axis of the axis of cyclone dust collectors 1 and exhaust pipe 2 is parallel, the axis and exhaust pipe 2 of detection pipe 6
Axis perpendicular, comply with standard the requirement of sampling.
Detection device includes ammonia detection device 7 and CEMS analyzer 8, and the sampling probe of ammonia detection device 7 passes through inspection
Test tube 6 is simultaneously extend into exhaust pipe 2, can detecte the content of ammonia in flue gas component；The sampling probe of CEMS analyzer 8 passes through inspection
Test tube 6 is simultaneously extend into exhaust pipe 2, can detecte the content of nitrogen oxides in effluent and oxysulfide.
On 1 outer wall of cyclone dust collectors being additionally provided with compare pipe 9, compare pipe 9 pass through cyclone dust collectors 1 outer wall and with exhaust
Pipe 2 is connected.Pipe 9 is compared for connecting standard measuring equipment (being not shown), the flue gas that standard measuring equipment detects
The smoke composition content that component content can be detected with the detection device of the present embodiment compares.
It is communicated with the first trachea 10 on the outer wall of smoke collecting tube 5, is communicated with second between the first trachea 10 and exhaust pipe 2
Trachea 11.
The detection method of the smoke composition content detection device of the present embodiment are as follows: flue gas enters whirlwind from air inlet pipe 3 and removes
In dirt device 1, the flue gas after 1 dedusting of cyclone dust collectors is entered in exhaust pipe 2；Through the flue gas after cyclone dust collectors dedusting
When flowing through exhaust pipe 2, open detection device detects the flue gas in exhaust pipe 2.
The dust obtained through 1 dedusting of cyclone dust collectors drops into the bottom of cyclone dust collectors 1, and unloading valve 5 is at interval of one section
Time automatically opens, so that dust drops into smoke collecting tube 4, in case excessive dust accumulation influences removing through cyclone dust collectors 1
Dirt effect.
Flue gas after 1 dedusting of cyclone dust collectors is discharged from the upper end of exhaust pipe 2, and by the second trachea 11, the
One trachea 10 enters in smoke collecting tube 4, and the outlet of smoke collecting tube 4 has the flue gas after flue 12, dust and detection simultaneously
It is not directly discharged into air, collects in smoke collecting tube 4 and then is co-flowed into flue 12, dust and cigarette can be prevented
Gas pollutes environment, meets environmental requirement.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of smoke composition content detection device, which is characterized in that
Including dust-extraction unit comprising cyclone dust collectors and the exhaust pipe being set in the cyclone dust collectors, the exhaust pipe
Upper end stretch out the tops of the cyclone dust collectors；Air inlet pipe, the rotation are communicated on the outer wall of the cyclone dust collectors upper end
Wind deduster outlet at bottom is communicated with smoke collecting tube, is equipped with unloading valve at the cyclone dust collectors outlet at bottom；
Detection pipe is installed on the outer wall of the cyclone dust collectors, the detection pipe pass through the outer wall of the cyclone dust collectors and with
The exhaust pipe is connected；
It further include detection device, the sampling probe of the measuring device passes through the detection pipe and extend into the exhaust pipe.
2. smoke composition content detection device as described in claim 1, which is characterized in that
The detection device includes ammonia detection device and CEMS analyzer,
The sampling probe of the ammonia detection device passes through the detection pipe and extend into the exhaust pipe,
The sampling probe of the CEMS analyzer passes through the detection pipe and extend into the exhaust pipe.
3. smoke composition content detection device as described in claim 1, which is characterized in that
The outer wall of the cyclone dust collectors be equipped with compare pipe, it is described compare pipe across the cyclone dust collectors outer wall and with institute
Exhaust pipe is stated to be connected.
4. the smoke composition content detection device and detection method stated such as claim 1, which is characterized in that
It is communicated with the first trachea on the outer wall of the smoke collecting tube, is communicated between first trachea and the exhaust pipe
Two tracheas.
5. such as the detection method of smoke composition content detection device of any of claims 1-4, which is characterized in that
Flue gas enters in the cyclone dust collectors from the air inlet pipe, and the flue gas after the cyclone dust collectors dedusting enters
Into the exhaust pipe；
When flue gas after the cyclone dust collectors dedusting flows through the exhaust pipe, the detection device is opened to the exhaust
Flue gas in pipe is detected.
6. the detection method of smoke composition content detection device as claimed in claim 5, which is characterized in that
The dust obtained through the cyclone dust collectors dedusting drops into the cyclone dust collectors bottom, and the unloading valve is at interval of one
The end time automatically opens, so that dust drops into the smoke collecting tube.
7. the detection method of smoke composition content detection device as claimed in claim 5, which is characterized in that
Flue gas after the cyclone dust collectors dedusting is discharged from the upper end of the exhaust pipe, and connects gas by described second
Pipe, first trachea enter 2 in the smoke collecting tube.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920391670 | 2019-03-26 | ||
| CN2019203916709 | 2019-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110208464A true CN110208464A (en) | 2019-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549252.2A Pending CN110208464A (en) | 2019-03-26 | 2019-06-24 | A kind of smoke composition content detection device and detection method |
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| Country | Link |
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| CN (1) | CN110208464A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755661A (en) * | 2021-04-08 | 2021-05-07 | 赛默飞世尔（上海）仪器有限公司 | Cyclone separator, gas particulate matter concentration detection equipment and concentration detection method |
| CN116973555A (en) * | 2023-08-30 | 2023-10-31 | Khd洪堡威达克机械设备(北京)有限公司 | Detection device and detection method for nitrogen oxides generated by cement raw materials |
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| CN108398301A (en) * | 2018-06-05 | 2018-08-14 | 天津拓科思科技有限公司 | A kind of method and device of quick detection nitrogen oxides in effluent concentration and its spatial distribution |
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| DE2215641A1 (en) * | 1972-03-30 | 1973-10-04 | Bosch Gmbh Robert | DEVICE FOR DETERMINING THE COMPOSITION OF THE EXHAUST GAS FROM A COMBUSTION ENGINE |
| JPH09257667A (en) * | 1996-03-22 | 1997-10-03 | Ngk Insulators Ltd | Dust-concentration measuring device |
| EP1530042A1 (en) * | 2003-11-10 | 2005-05-11 | Kidde IP Holdings Limited | Self-testing gas detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112755661A (en) * | 2021-04-08 | 2021-05-07 | 赛默飞世尔（上海）仪器有限公司 | Cyclone separator, gas particulate matter concentration detection equipment and concentration detection method |
| CN116973555A (en) * | 2023-08-30 | 2023-10-31 | Khd洪堡威达克机械设备(北京)有限公司 | Detection device and detection method for nitrogen oxides generated by cement raw materials |
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