CN100562737C - The sampling analysis device of tool powder filtering filtration function - Google Patents
The sampling analysis device of tool powder filtering filtration function Download PDFInfo
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- CN100562737C CN100562737C CNB200510132462XA CN200510132462A CN100562737C CN 100562737 C CN100562737 C CN 100562737C CN B200510132462X A CNB200510132462X A CN B200510132462XA CN 200510132462 A CN200510132462 A CN 200510132462A CN 100562737 C CN100562737 C CN 100562737C
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- flue gas
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- sampling analysis
- filtration function
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- 238000001914 filtration Methods 0.000 title claims abstract description 68
- 238000005070 sampling Methods 0.000 title claims abstract description 41
- 238000004458 analytical method Methods 0.000 title claims abstract description 33
- 239000000843 powder Substances 0.000 title claims abstract description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003546 flue gas Substances 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims description 19
- 239000000428 dust Substances 0.000 claims description 18
- 229910052573 porcelain Inorganic materials 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract 2
- 235000019504 cigarettes Nutrition 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of sampling analysis device of tool powder filtering filtration function, system adopts coarse filtration module, scrubber, refrigeratory and thin filtering module to filter flue gas in regular turn, can make flue gas body powder filtering filtration by this, move and carry out follow-up numerous and confused monitoring, and hardship is not change under the quality situation of original flue gas sample, the condition that meets the flue gas analyzer analytic sample is simultaneously avoided reducing cigarette and abandoning the analyser maintenance and effectively improve serviceable life because of problems such as obstruction that continued operation causes, operating maintenance are difficult for.
Description
Technical field
The present invention relates to a kind of sampling analysis device, be applied to the stack sampling analysis of combustion system, particularly a kind of sampling analysis device of tool powder filtering filtration function.
Background technology
The sampling system of tradition flue gas sample analysis instrument, all be installed in the smoke outlet of chimney upper end, the flue gas majority has passed through large-scale dust pelletizing system herein, as: precipitator, bag collector and system of flue-gas desulfurization etc., carry out micron dust seizure in the flue gas, therefore, the required inhibition powder dust particle of sampling system there is no special demands.But the flue gas numerical value that this place captures also can't truly reflect, the situation of boiler furnace Actual combustion, and the shortcoming that often causes the equipment operation situation to judge by accident causes the generation of energy resource consumption and large quantity of exhaust gas thing, even will influence power unit effectiveness of performance.
Therefore, if will burn adjustment (turning) before at boiler furnace, must be by flue gas analyzer, be set up in boiler combustion rear pass gas first exit, also be economizer (ECO) porch, owing to for finishing the flue gas after the combustion reaction, be the most original exhaust gas components herein, the boiler combustion situation can be reflected immediately, but, flue gas dust concentration height herein, probe temperature height (300～500 ℃) is if gas directly enters in the flue gas analyzer, must result in blockage, damage, and can't be long-term, continuous monitoring thus, then loses burning and adjusts meaning.
Known flue gas sampling system mainly is made of institutes such as sampling line, filtrator, dehydrator, pumps, is mainly used in the sampling work of short time.Yet, in case use for a long time or sampling spot during as multiple spot, whether each sampling spot piping flow stable, equate or stop up, whether each sampling spot flue gas mixes, gas property equal mutually problem whether, it is impossible that long-term sampling monitoring work is become, and the sample tap that general real-time optimization is adjusted is forced to migration cleaner rear or chimney breast.This measure causes that with other pipeline may leak, the problems such as delay of the sample of taking a sample.
Summary of the invention
The object of the present invention is to provide a kind of sampling analysis device of tool powder filtering filtration function.
Sampling analysis device provided by the invention, see through the dust size characteristic, in different filtering modes, effectively reduce flue gas Dust Capacity, sampling high temperature and disappearance that can't continuous monitoring, make that the real-time optimization adjustment of combustion system can reach for a long time, stablizes, believable target.
For achieving the above object, the sampling analysis device of tool powder filtering filtration function provided by the invention, in order to carry out sample analysis at a flue, this device includes:
One reverse checkvalve is connected with at least two sampling pipes, and the flue gas that can guide this flue enters;
One coarse filtration module is communicated in this reverse checkvalve, and this flue gas is carried out coarse filtration and dewaters;
One scrubber is communicated in this coarse filtration module, is communicated in this coarse filtration module, in order to reduce the dust content of this flue gas;
One refrigeratory is communicated with this scrubber of son, the removal of the aqueous vapor of this flue gas can being condensed;
One thin filtering module is communicated in this refrigeratory, carefully filters at this flue gas; And
One analysis module can receive the flue gas that this thin filtering module exports and analyze.
Wherein this sampling pipe is positioned at the upstream and the downstream of this flue.
Wherein this coarse filtration module includes a porcelain filter and a trace wriggling pumping, by this porcelain filter this flue gas is carried out coarse filtration, and the aqueous vapor that cooling is produced is then dewatered by this trace peristaltic pump.
Wherein this porcelain filter is one 20 microns (μ m) porcelain filters.
Also include an aspiration pump, introduce in order to the flue gas in this flue.
Wherein this refrigeratory bottom is connected in this scrubber, the aqueous vapor guiding of condensation can be entered this scrubber.
Wherein this thin filtering module includes a porcelain filter.
Wherein this porcelain filter is 2 microns (μ m) porcelain filters.
Wherein also include a filter fiber.
Wherein this filter fiber is the filter fiber of one 0.1 microns (μ m).
Wherein this analysis module also includes a plurality of gas analyzers, at least one flowmeter, a bulb stopper valve and a variable valve, by this flowmeter, this bulb stopper valve and this variable valve, and can be with stable this analyser of delivering to of this flue gas.
Adopt the mode of multistage Chalk-dust filtering thus, simultaneously with temperature, remove aqueous vapor, and can improve the measurement inaccuracy of traditional type smoke sampling system, cause analytical instrument to stop up easily, each sampling spot piping flow can't be stablized, lowering apparatus serviceable life, can't carry out flue gas monitoring for a long time, be difficult for also changing and cause practice problem such as equipment operation situation erroneous judgement.
Description of drawings
Fig. 1 is the synoptic diagram of the sampling analysis device of tool dust-filtering function of the present invention.
Embodiment
Relevant detailed content of the present invention and technology, conjunction with figs. is described as follows:
Sampling analysis device according to tool powder filtering filtration function of the present invention, see also Fig. 1, reverse checkvalve (Check valve, swagelok) 11 utilize the flue gas of two sampling pipes, 111,112 guiding flues to enter, preferable state is the flue gas (not shown) in upstream (inlet sample gas) Yu the downstream (outletsample gas) of the flue of taking a sample respectively, identical, also can have additional multidraw, all be identical variation.Simultaneously, can utilize the pumping Diaphragm pump that bleeds) 13 auxiliary flue gas is forced to introduce, after then including coarse filtration module 12, scrubber (scrubber) 14, refrigeratory 15, thin filtering module 16 in regular turn, carry out the action of sample analysis by analysis module 20, so, the mode that adopts segmentation to filter is removed the dust of flue gas.
At first, sampling pipe 111,112 can be and is stainless steel, the remaining gas connecting line is the Teflon pipe, by the pumping 13 of bleeding with the flue middle and upper reaches with after the flue gas in downstream mixes, send into coarse filtration module 12 via reverse checkvalve 11, coarse filtration module 12 includes porcelain filter 121 and micro-peristaltic pump (peristaltic pump) 122, porcelain filter 121 can be 20 microns (μ m) porcelain filters, the powder filtering filtration more than 20 microns just, with the condensed aqueous vapor of high-temperature flue gas, dewater simultaneously with micro-peristaltic pump 122.
Continue and enter scrubber 14, be lower than 20 microns the dust flue gas scrubber 14 that continues to flow through, dust is by bubble (air bubble) mode, carry out washing effect and reduce dust content, then when flue gas passes through refrigeratory 15, frozen water can condense the moisture content in the flue gas earlier, via needle-valve 151 moisture is drained in the scrubber 14.After finishing the action that dewaters, flue gas is sent into thin filtering module 16 and is carried out the filtration of subordinate phase, it can be 2 microns (μ m) porcelain filters, the further dust of filtering below 2 microns, then again via reverse checkvalve 17, remove the flying dust dust of flue gas fully with 0.1 micron filter fiber 18, stablize piping flow to flue gas analysis module 20.
And analysis module 20 includes bulb stopper valve 24,25, flowmeter 21,22,23 and gas analyzer 26,27, in order to behind the flue gas ash removal, stable sending in the gas analyzer 26,27, reduce the instrument damage phenomenon, it is communicated with bulb stopper valve 24,25 by needle-valve 19, and then by bulb stopper valve 24,25 connection traffic meters 21～23 and variable valve 31,32, by variable valve 31,32 guiding null value gas (nil norm gases; Zero) 33, full width gas (carbon monoxide calibrating gas; Span) 34 enter, for the content of gas analyzer 26 analyzing and testing carbon monoxide, and another gas analyzer 27 can be in order to analyze the content of oxygen, certainly, herein gas analyzer, bulb stopper valve, flowmeter etc. the position is set, quantity does not limit.
Thus, can improve the design of known smoke sampling and use operational micron dust obstructions, high temperature damage, continuous monitoring for a long time etc., the serviceable life of direct impact analysis instrument, and error in measurement, can't reflect shortcoming such as combustion position.And can effectively reduce flue gas Dust Capacity, sampling high temperature and can't continuous monitoring etc. effect, make that the real-time optimization adjustment of combustion system can reach for a long time, stablizes, believable target.
Though the present invention discloses as above with aforesaid preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this technician; without departing from the spirit and scope of the present invention; when can doing a little also moving and retouching, so protection scope of the present invention is as the criterion when looking the content that claim defines.
Claims (10)
1. the sampling analysis device of a tool powder filtering filtration function, in order to carry out sample analysis at a flue, this device includes:
One reverse checkvalve is connected with at least two sampling pipes, and the flue gas that can guide this flue enters;
One coarse filtration module is communicated in this reverse checkvalve, and this flue gas is carried out coarse filtration and dewaters;
This coarse filtration module includes a porcelain filter and a trace wriggling pumping, by this porcelain filter this flue gas is carried out coarse filtration, and the aqueous vapor that cooling is produced is then dewatered by this trace wriggling pumping;
One scrubber is communicated in this coarse filtration module, in order to reduce the dust content of this flue gas;
One refrigeratory is communicated in this scrubber, the removal of the aqueous vapor of this flue gas can being condensed;
One thin filtering module is communicated in this refrigeratory, carefully filters at this flue gas; And
One analysis module can receive the flue gas that this thin filtering module exports and analyze.
2. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1 is characterized in that, wherein this sampling pipe is positioned at the upstream and the downstream of this flue.
3. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1 is characterized in that, wherein this porcelain filter is one 20 micrometer ceramics filtrators.
4. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1 is characterized in that, also includes an aspiration pump, introduces in order to the flue gas in this flue.
5. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1 is characterized in that, wherein this refrigeratory bottom is connected in this scrubber, the aqueous vapor guiding of condensation can be entered this scrubber.
6. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1 is characterized in that, wherein this thin filtering module includes a porcelain filter.
7. the sampling analysis device of tool powder filtering filtration function as claimed in claim 6 is characterized in that, wherein this porcelain filter is 2 micrometer ceramics filtrators.
8. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1 is characterized in that, also includes a filter fiber between thin filtering module and the analysis module.
9. the sampling analysis device of tool powder filtering filtration function as claimed in claim 8 is characterized in that, wherein this filter fiber is one 0.1 microns a filter fiber.
10. the sampling analysis device of tool powder filtering filtration function as claimed in claim 1, it is characterized in that, wherein this analysis module also includes a plurality of gas analyzers, at least one flowmeter, a bulb stopper valve and a variable valve, by this flowmeter, this bulb stopper valve and this variable valve, and can be with stable this analyser of delivering to of this flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510132462XA CN100562737C (en) | 2005-12-02 | 2005-12-02 | The sampling analysis device of tool powder filtering filtration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510132462XA CN100562737C (en) | 2005-12-02 | 2005-12-02 | The sampling analysis device of tool powder filtering filtration function |
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| Publication Number | Publication Date |
|---|---|
| CN1979116A CN1979116A (en) | 2007-06-13 |
| CN100562737C true CN100562737C (en) | 2009-11-25 |
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| CNB200510132462XA Active CN100562737C (en) | 2005-12-02 | 2005-12-02 | The sampling analysis device of tool powder filtering filtration function |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277396A (en) * | 2014-07-10 | 2016-01-27 | 新疆科力新技术发展有限公司 | Portable rapid sampling device for samples of large-tank gas and flue gas in oil field |
| CN106405015A (en) * | 2016-11-04 | 2017-02-15 | 大唐环境产业集团股份有限公司 | System for testing high-ash flue gas composition of boiler |
| CN107179220A (en) * | 2017-06-06 | 2017-09-19 | 苏州西热节能环保技术有限公司 | A kind of multistage filtering continuous sampling system and method for gas pollutant |
| TWI654415B (en) * | 2017-08-25 | 2019-03-21 | 大陸商賽默飛世爾（上海）儀器有限公司 | Fluid sampling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705478A (en) * | 1970-08-04 | 1972-12-12 | Sherritt Gordon Mines Ltd | Electrostatic precipitator and gas sampling system |
| US3748906A (en) * | 1970-10-15 | 1973-07-31 | Jones & Laughlin Steel Corp | Gas sampling apparatus |
| CN85202865U (en) * | 1985-07-09 | 1986-11-12 | 杜涛恒 | Air surplus factor-displaying meter |
| CN2237851Y (en) * | 1995-04-20 | 1996-10-16 | 冶金工业部钢铁研究总院 | Auto-measurer for oxygen and carbon monoxide in storehouse of soft coal powder |
| CN1040249C (en) * | 1993-12-14 | 1998-10-14 | 于西纳·萨西罗公司 | Fast continuous gas mixture analysis method and device |
-
2005
- 2005-12-02 CN CNB200510132462XA patent/CN100562737C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705478A (en) * | 1970-08-04 | 1972-12-12 | Sherritt Gordon Mines Ltd | Electrostatic precipitator and gas sampling system |
| US3748906A (en) * | 1970-10-15 | 1973-07-31 | Jones & Laughlin Steel Corp | Gas sampling apparatus |
| CN85202865U (en) * | 1985-07-09 | 1986-11-12 | 杜涛恒 | Air surplus factor-displaying meter |
| CN1040249C (en) * | 1993-12-14 | 1998-10-14 | 于西纳·萨西罗公司 | Fast continuous gas mixture analysis method and device |
| CN2237851Y (en) * | 1995-04-20 | 1996-10-16 | 冶金工业部钢铁研究总院 | Auto-measurer for oxygen and carbon monoxide in storehouse of soft coal powder |
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| CN1979116A (en) | 2007-06-13 |
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