CN108490148A - The on-line measuring device and detection method of total sulphur content in a kind of fuel coal gas - Google Patents
The on-line measuring device and detection method of total sulphur content in a kind of fuel coal gas Download PDFInfo
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- CN108490148A CN108490148A CN201810570301.6A CN201810570301A CN108490148A CN 108490148 A CN108490148 A CN 108490148A CN 201810570301 A CN201810570301 A CN 201810570301A CN 108490148 A CN108490148 A CN 108490148A
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- 239000003034 coal gas Substances 0.000 title claims abstract description 62
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000005864 Sulphur Substances 0.000 title claims abstract description 25
- 239000000446 fuel Substances 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 98
- 239000003546 flue gas Substances 0.000 claims description 68
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 64
- 238000005070 sampling Methods 0.000 claims description 21
- 238000004868 gas analysis Methods 0.000 claims description 18
- 238000010926 purge Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 8
- 230000005518 electrochemistry Effects 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000013213 extrapolation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000006477 desulfuration reaction Methods 0.000 abstract description 4
- 230000023556 desulfurization Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229930192474 thiophene Natural products 0.000 description 2
- JBGWMRAMUROVND-UHFFFAOYSA-N 1-sulfanylidenethiophene Chemical class S=S1C=CC=C1 JBGWMRAMUROVND-UHFFFAOYSA-N 0.000 description 1
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229940046892 lead acetate Drugs 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- 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
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses the on-line measuring devices and detection method of total sulphur content in a kind of fuel coal gas, have：Combustion reaction stove, online gas smoke monitoring system and data acquisition processing system；Coal gas desulfurization technique productions can be accurately and real-time instructed, fuel production control is instructed.
Description
Technical field
The invention belongs to a kind of on-line measuring devices of total sulphur content in environmental technology field more particularly to fuel coal gas
And detection method.
Background technology
Kinds of gas is more, and the coke-stove gas ingredient wherein generated after coking coking of coal is complex.Just wherein sulfide
For, there are H2S, SO2, COS, CS2, thiophene and other non-principal components.
The detection method of sulfur content in coke-stove gas is mainly reflected by directly detecting H2S contents in coal gas at present, it is main
Detection method is wanted to have iodimetric titration, methylene blue method, lead acetate rapid method, gas chromatography etc..
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems：Above method is main
The disadvantage is that 1. non-on-line checking, round of visits is longer, little to industrialized production directive significance；2. taking sample making technology to want in sample
Ask higher, sample representativeness is difficult to ensure；3. sulfur content known to being only capable of reflection H2S etc., cannot reflect total sulphur content in coal gas.With
Upper method is in the equal existing defects of practicability, accuracy, representativeness etc..
Invention content
Technical problem to be solved by the invention is to provide one kind to be intended to that coal gas desulfurization technique is accurately and real-time instructed to give birth to
The on-line measuring device and detection method of total sulphur content in the fuel coal gas of fuel production control are instructed in production.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：Full sulphur contains in a kind of fuel coal gas
The on-line measuring device and detection method of amount, have：
Combustion reaction stove, online gas smoke monitoring system and data acquisition processing system；
The combustion reaction stove has：
Furnace body；
Combustion system comprising space gas burner, gas pipe and gas main, the space gas burner are arranged in the stove
In the burner hearth of body；The gas pipe first end is connect with the space gas burner, and gas pipe second end connects with the gas main
It connects；
Space gas air feed system comprising air hose and air header, the air conduit first end are burnt with the space gas
Mouth connects, and air hose second end is connect with the first end of the air header；
Smoke evacuation system comprising flue gas manifold, the flue gas manifold and chimney, the flue gas manifold first ends and the stove
The burner hearth of body is connected to, and flue gas manifold second ends are connect with the chimney；
The online gas smoke monitoring system includes gas sampling gun, takes tracheae, flue gas analyzer and gas analysis meter；
Gas sampling gun is equipped in the gas main, the gas sampling gun in gas main is by taking tracheae and the gas analysis meter
Connection；Gas sampling gun also is provided in the flue gas manifold, the gas sampling gun in flue gas manifold is by taking tracheae and the cigarette
Qi leel analyzer connects；
The data acquisition processing system includes controller, and the controller passes through circuit and the flue gas analyzer and coal
Qi leel analyzer connects.
The second end of the air header is equipped with air blower, and the blower inlet is nearby equipped with hygronom, the humidity
Instrument is connect by circuit with data acquisition processing system.
Fire box temperature control is at 800~1300 DEG C and burning is in superoxidant state, and a row is only arranged in combustion reaction stove
Cigarette channel, furnace pressure should be controlled in 0~-20Pa of micro-vacuum state -.
The gas analysis meter can detect the O in coal gas2、CO、H2、CH4、CO2、CmHn；Wherein O2Using electrochemistry or
Pyromagnetic principle, CO, CH4、CO2, CmHn use infrared principles, H2Using thermal conduction principle；Coal gas takes tracheae to be equipped with steam blowback
Sweep system, the anti-purge system of steam includes steam back-flushing valve and the pipe that purges steam, and vapor (steam) temperature is at 120~180 DEG C, pressure
Not less than 0.2Mpa.
Flue gas analyzer can detect the SO in discharge flue gas2、O2、CO、CO2, wherein O2Using electrochemistry or pyromagnetic original
Reason, SO2Using ultraviolet or infrared principles, CO, CO2Using infrared principles, adiabatic electrical heat tracing is cased with outside the probe tube of flue gas
Pipe, heating and temperature control is at 120~180 DEG C.
Gas temperature meter is additionally provided in the gas main, the gas temperature meter passes through circuit and data acquisition process system
System connection.
The detection method of the on-line measuring device of total sulphur content in a kind of above-mentioned fuel coal gas stated,
By gas main Lai coal gas by branch gas tube be sent into burner, by air blower, air header come air process
Air branch pipe is sent into burner, and air, coal gas are sent into the burning of combustion reaction stove after being mixed at burner, the flue gas of generation passes through flue gas
Manifold is sent into outside chimney and arranges；
Gas sampling gun is inserted on gas main, rear connection coal gas takes tracheae, gas analysis meter；It is inserted on flue gas manifold
Enter gas sampling gun, rear connection flue gas takes tracheae, flue gas analyzer；Gas analysis meter passes through data line and number with flue gas analyzer
It is connected according to acquisition processing system；The pipe that purges steam takes tracheae to be connected by steam back-flushing valve and gas analysis meter inlet, coal gas；
Gas temperature meter is inserted on gas main, gas temperature meter passes through data line and data acquisition processing system phase
Connection；
It is disposed about hygronom in blower inlet, hygronom is connected by data line and data acquisition processing system；
Dry gas ingredient-the O detected according to gas analysis meter2、CO、H2、CH4、CO2、CmHn, according to flue gas analyzer
Dry flue gas ingredient-the SO detected2、O2、CO、CO2, the parameters such as coal gas moisture, air humidity are added, calculate practical flue gas
Amount, sulfureous in flue gas concentration of emission, by total sulphur content in Extrapolation coal gas.
A technical solution in above-mentioned technical proposal has the following advantages that or advantageous effect, accurately and real-time instructs coal
Desulfurization technique productions instruct fuel production control.
Description of the drawings
Fig. 1 is the structural representation of the on-line measuring device of total sulphur content in the fuel coal gas provided in the embodiment of the present invention
Figure；
Label in above-mentioned figure is：1, combustion reaction stove, 2, burner, 3, gas pipe, 4, air hose, 5, gas main,
6, air header, 7, flue gas manifold, 8, chimney, 9, gas sampling probe, 10, gas sampling pipe, 11, flue gas analyzer, 12, coal gas
Analyzer, 13, data acquisition processing system, 14, gas sampling gun, 15, air blower, 16, hygronom, 17, gas temperature meter,
18, steam back-flushing valve, 19, purge steam pipe.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Referring to Fig. 1, in a combustion reaction stove to coal gas in combustible component (including H2S、SO2、COS、CS2, thiophene etc.
Sulfide) carry out completely burned oxidation processes so that and sulfide is only with SO in coal gas2Form is arranged with outside flue gas.According to online inspection
Fuel gas the ingredient ((O measured out2、CO、H2、CH4、CO2, CmHn etc.) and discharge smoke components (SO2、O2、CO、CO2) number
According to being calculated by relative combustion and material balance theoretical model, obtain total sulphur content in coal gas, realized online, accurate, in real time
Testing goal.
Mainly by combustion reaction stove, the compositions such as online coal gas, flue gas monitoring system, data acquisition processing system.
Combustion reaction stove mainly (is disposed with several space gas to burn by furnace body, space gas air feed system, combustion system in burner hearth
Mouth), the compositions such as smoke evacuation system.Main purpose is to ensure H in coal gas2S、SO2、COS、CS2, thiophene sulfides it is abundant wherein
Combustion oxidation generates SO completely2.1. to ensure that oxidation is complete, fire box temperature should be controlled at 800~1300 DEG C and burning is in
Superoxidant state (oxygen content is 3%~8% in flue gas, no combustible component)；2. to ensure uniformity and the representative of smoke components
A discharge flue is only arranged in property, combustion reaction stove, and furnace pressure should be controlled at micro-vacuum state (about 0~-20Pa).
Online coal gas, flue gas monitoring system are mainly by online coal gas detecting system, online flue gas detecting system, online coal gas
Water content and air humidity content detecting system composition.
Online coal gas detecting system main purpose is O in on-line checking burning dry gas2、CO、H2、CH4、CO2、CmHn
Ingredients are waited, 1. wherein O2Using electrochemistry or pyromagnetic principle, CO, CH4、CO2, CmHn use infrared principles, H2Using thermal conductivity original
Reason；2. to prevent the impurity such as tar and naphthalene in coal gas from blocking probe tube and security consideration；Sampling system is swept equipped with steam blowback
System, for vapor (steam) temperature at 120~180 DEG C, pressure is not less than 0.2MPa；3. gas treatment equipment should be arranged before analyzer, realize
The mesh such as gas washing (using water), filtration drying (using activated carbon), cooled dehydrated (cooling temperature controls within 5 DEG C), refined dedusting
's.
Online flue gas detecting system main purpose is SO in on-line checking discharge dry flue gas2、O2、CO、CO2Equal ingredients, 1. its
Middle O2Using electrochemistry or pyromagnetic principle, SO2Using ultraviolet or infrared principles, CO, CO2Infrared principles；2. to prevent SO2
Occur be condensed water absorption, Lower result phenomenon in line sampling process, adiabatic electrical heat tracing pipe, heating temperature are cased with outside probe tube
Degree control is at 120~180 DEG C；3. gas treatment equipment should be arranged before analyzer, filtering, cooled dehydrated (cooling temperature control are realized
System within 5 DEG C), refined dedusting the purpose of.
Online moisture content in gas and air humidity content detecting system main purpose are moisture and combustion-supporting in on-line checking coal gas
Air humidity etc..The measuring principle of moisture is calculated by saturation state of moisture content in gas by measuring gas temperature in coal gas
It obtains；The measuring principle of combustion air humidity is hygrometer method, is obtained by detecting dry, wet bulb temperature calcuation in air.
Data acquisition processing system main purpose be acquire online coal gas in real time, the data that flue gas monitoring system transmits, lead to
It crosses relative combustion and material balance theoretical model calculates, obtain total sulphur content in coal gas in real time.
Composition and function are as follows：
By gas main Lai coal gas by branch gas tube be sent into burner, by air blower, air header come air process
Air branch pipe is sent into burner, and air, coal gas are sent into the burning of combustion reaction stove after being mixed at burner, the flue gas of generation passes through flue gas
Manifold is sent into outside chimney and arranges.
Gas sampling gun is inserted on gas main, rear connection coal gas takes tracheae, gas analysis meter；It is inserted on flue gas manifold
Enter gas sampling gun, rear connection flue gas takes tracheae, flue gas analyzer；Gas analysis meter passes through data line and number with flue gas analyzer
It is connected according to acquisition processing system.The pipe that purges steam takes tracheae to be connected by steam back-flushing valve and gas analysis meter inlet, coal gas.
Gas temperature meter is inserted on gas main, gas temperature meter passes through data line and data acquisition processing system phase
Connection.
It is disposed about hygronom in blower inlet, hygronom is connected by data line and data acquisition processing system.
Detection method：Dry gas ingredient (the O detected according to gas analysis meter2、CO、H2、CH4、CO2, CmHn etc.), according to
Dry flue gas ingredient (the SO detected according to flue gas analyzer2、O2、CO、CO2), the parameters such as coal gas moisture, air humidity are added, calculate
Go out practical exhaust gas volumn, sulfureous in flue gas concentration of emission, by total sulphur content in Extrapolation coal gas.
It illustrates：
(1) detection data acquires
Gas composition：
Moisture content in gas H2Os：Gas temperature meter shows that gas temperature is 45 DEG C, coal gas water content under the filament saturation state
Product percentage is 9.45%.
The water content gk of dry air：For 28.46g/Nm3, calculated when showing 35.8 DEG C of dry bulb, 26.1 DEG C of wet bulb with hygronom
It obtains.
Smoke components：
(2) relative combustion material balance calculation model
Theoretical dry air amount L0g=0.0238 (H2 s+COs)+0.0952*CH4 s+0.0476*3*CmHns-0.0476*O2 s
Amount of theoretical flue gas V0=0.01 (COs+3CH4 s+3CmHns+CO2 s+H2 s+N2 s+H2Os)+0.79*L0g
Air coefficient a=21/ (21-79 (O2`/(N2`-N2 s*CO2`/(CO2 s+COs+CH4 s+2CmHns)))
Practical wet flue gas amount Vns=V0+ (a (1+0.00124gk) -1) L0g
gk：For the water content of dry air, 28.46g/Nm3.
Wet flue gas water content H2O`s=0.01 ((2CH4 s+H2 s+CmHns+H2Os)+0.00124*gk*a*L0g)/Vns*100
Substitution is calculated
Practical wet flue gas amount Vns=4.433, i.e., per Nm3The practical generation 4.433Nm of wet gas3Wet flue gas.
(3) total sulphur content calculates in coal gas：
With SO in wet flue gas2`sIt is converted for 335ppm, total sulphur content is 479mg/Nm in wet flue gas3。
With 1Nm3Wet gas generates 4.433Nm3Wet flue gas calculates, and total sulphur content is 2122mg/Nm in wet gas3, with H2S
Conversion is 1485ppm.
After above-mentioned scheme, coal gas desulfurization technique productions are accurately and real-time instructed, instruct fuel production control.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is used, or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (7)
1. the on-line measuring device and detection method of total sulphur content in a kind of fuel coal gas, which is characterized in that have：
Combustion reaction stove, online gas smoke monitoring system and data acquisition processing system；
The combustion reaction stove has：
Furnace body；
Combustion system comprising space gas burner, gas pipe and gas main, the space gas burner are arranged in the furnace body
In burner hearth；The gas pipe first end is connect with the space gas burner, and gas pipe second end is connect with the gas main；
Space gas air feed system comprising air hose and air header, the air conduit first end connect with the space gas burner
It connects, air hose second end is connect with the first end of the air header；
Smoke evacuation system comprising flue gas manifold, the flue gas manifold and chimney, the flue gas manifold first ends and the furnace body
Burner hearth is connected to, and flue gas manifold second ends are connect with the chimney；
The online gas smoke monitoring system includes gas sampling gun, takes tracheae, flue gas analyzer and gas analysis meter；It is described
Gas sampling gun is equipped in gas main, the gas sampling gun in gas main is by taking tracheae to connect with the gas analysis meter
It connects；Gas sampling gun also is provided in the flue gas manifold, the gas sampling gun in flue gas manifold is by taking tracheae and the flue gas
Analyzer connects；
The data acquisition processing system includes controller, and the controller passes through circuit and the flue gas analyzer and coal gas point
Analyzer connects.
2. the on-line measuring device of total sulphur content in fuel coal gas as described in claim 1, which is characterized in that the air
The second end of manifold is equipped with air blower, and the blower inlet is nearby equipped with hygronom, and the hygronom passes through circuit and data
Acquisition processing system connects.
3. the on-line measuring device of total sulphur content in fuel coal gas as claimed in claim 1 or 2, which is characterized in that burner hearth
Temperature control is at 800~1300 DEG C and burning is in superoxidant state, and a discharge flue, burner hearth pressure is only arranged in combustion reaction stove
Power should be controlled in 0~-20Pa of micro-vacuum state -.
4. the on-line measuring device of total sulphur content in fuel coal gas as claimed in claim 3, which is characterized in that the coal gas
Analyzer can detect the O in coal gas2、CO、H2、CH4、CO2、CmHn；Wherein O2Using electrochemistry or pyromagnetic principle, CO, CH4、
CO2, CmHn use infrared principles, H2Using thermal conduction principle；Coal gas takes tracheae to be equipped with the anti-purge system of steam, the steam
Anti- purge system includes steam back-flushing valve and the pipe that purges steam, and for vapor (steam) temperature at 120~180 DEG C, pressure is not less than 0.2Mpa.
5. the on-line measuring device of total sulphur content in fuel coal gas as claimed in claim 4, which is characterized in that flue gas analysis
Instrument can detect the SO in discharge flue gas2、O2、CO、CO2, wherein O2Using electrochemistry or pyromagnetic principle, SO2Using ultraviolet or red
Outer principle, CO, CO2Using infrared principles, it is cased with adiabatic electrical heat tracing pipe outside the probe tube of flue gas, heating and temperature control exists
120~180 DEG C.
6. the on-line measuring device of total sulphur content in fuel coal gas as claimed in claim 5, which is characterized in that the coal gas
Gas temperature meter is additionally provided in manifold, the gas temperature meter is connect by circuit with data acquisition processing system.
7. the detection method of the on-line measuring device of total sulphur content in a kind of fuel coal gas as claimed in claim 6, special
Sign is,
By gas main Lai coal gas be sent into burner by branch gas tube, the air come by air blower, air header is by air
Branch pipe is sent into burner, and air, coal gas are sent into the burning of combustion reaction stove after being mixed at burner, the flue gas of generation passes through flue gas manifold
It is sent into outside chimney and arranges；
Gas sampling gun is inserted on gas main, rear connection coal gas takes tracheae, gas analysis meter；It is inserted into gas on flue gas manifold
Body sampling gun, rear connection flue gas take tracheae, flue gas analyzer；Gas analysis meter is adopted with flue gas analyzer by data line and data
Collection processing system is connected；The pipe that purges steam takes tracheae to be connected by steam back-flushing valve and gas analysis meter inlet, coal gas；
Gas temperature meter is inserted on gas main, gas temperature meter is connected by data line and data acquisition processing system；
It is disposed about hygronom in blower inlet, hygronom is connected by data line and data acquisition processing system；
Dry gas ingredient-the O detected according to gas analysis meter2、CO、H2、CH4、CO2、CmHn, detected according to flue gas analyzer
Dry flue gas ingredient-the SO gone out2、O2、CO、CO2, the parameters such as coal gas moisture, air humidity are added, calculate practical exhaust gas volumn, cigarette
Sulphur emissions concentration in gas, by total sulphur content in Extrapolation coal gas.
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| CN201810570301.6A CN108490148B (en) | 2018-06-05 | 2018-06-05 | Online detection device and detection method for total sulfur content in fuel gas |
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| CN201810570301.6A CN108490148B (en) | 2018-06-05 | 2018-06-05 | Online detection device and detection method for total sulfur content in fuel gas |
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|---|---|---|---|---|
| CN109323895A (en) * | 2018-10-23 | 2019-02-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Fixed on-line sampling system is always measured containing S for coke-stove gas |
| CN109489064A (en) * | 2018-12-06 | 2019-03-19 | 马鞍山钢铁股份有限公司 | A kind of heater for rolling steel combustion control device and control method |
| CN109541122A (en) * | 2018-11-06 | 2019-03-29 | 山西大学 | A kind of apparatus and method for observing biomass combustion flue gas ageing process |
| CN110333326A (en) * | 2019-08-07 | 2019-10-15 | 马鞍山钢铁股份有限公司 | A kind of sintering circulating flue gas simulation system and experimental method |
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| CN114236036A (en) * | 2021-11-25 | 2022-03-25 | 北京首钢股份有限公司 | System and method for detecting sulfur content in industrial gas |
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