EP2286150A1 - Vorrichtung und verfahren zur bestimmung einer partikelumwandlungsintensität - Google Patents
Vorrichtung und verfahren zur bestimmung einer partikelumwandlungsintensitätInfo
- Publication number
- EP2286150A1 EP2286150A1 EP09757232A EP09757232A EP2286150A1 EP 2286150 A1 EP2286150 A1 EP 2286150A1 EP 09757232 A EP09757232 A EP 09757232A EP 09757232 A EP09757232 A EP 09757232A EP 2286150 A1 EP2286150 A1 EP 2286150A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- camera
- recording
- reference surface
- area
- volume flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000002309 gasification Methods 0.000 claims abstract description 35
- 238000011156 evaluation Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- MNQDKWZEUULFPX-UHFFFAOYSA-M dithiazanine iodide Chemical compound [I-].S1C2=CC=CC=C2[N+](CC)=C1C=CC=CC=C1N(CC)C2=CC=CC=C2S1 MNQDKWZEUULFPX-UHFFFAOYSA-M 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 15
- 239000002002 slurry Substances 0.000 description 12
- 239000007787 solid Substances 0.000 description 7
- 239000000571 coke Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000000859 sublimation Methods 0.000 description 4
- 230000008022 sublimation Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- -1 condensates Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements
- F23N5/082—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements using electronic means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/482—Gasifiers with stationary fluidised bed
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2229/00—Flame sensors
- F23N2229/20—Camera viewing
Definitions
- the invention relates to an apparatus and a method for loading ⁇ humor a particle intensity conversion in carburetors, preferably entrained flow gasifiers, in principle, but also in conjunction brennungs-, sublimation and evaporation processes according to the first and the sixth claim.
- pressurized transfer of liquid and suspended solid particulate fuels such as e.g. so-called slurries biomass-derived pyrolysis products (cokes, condensates, oils) as raw materials for raw synthesis gases (such as city gas).
- biomass-derived pyrolysis products cokes, condensates, oils
- raw synthesis gases such as city gas
- the transfer of the particles (solid or aerosol) takes place in the context of an endothermic reaction in which the said fuels are reacted with oxygen in substoichiometric ratio to hydrocarbons.
- the areas in which this transfer takes place are referred to below as particle conversion areas.
- an entrainment gasification is carried out continuously in an entrained flow gasifier, in which the abovementioned starting materials are injected together into a pressure atomizer carrier air and a separate oxygen-containing gas stream in a reaction space and are passed through this as a gasification volume flow.
- the conversion takes place in a particle conversion region in the reaction space, which - if necessary - heating means such as burners or other heating elements, which act either directly into the reaction space or indirectly on the Christsraumwandung for maintaining the endothermic reaction.
- the object of the invention is to propose an apparatus and a method which allows a continuous determination of the particle conversion intensity including its distribution in a gasifier or other process for particle gasification and as a control variable for a process control, e.g. the power supply control is approachable.
- the invention relates to an apparatus and a method for determining the particle conversion intensity distribution when the particles are converted into a gaseous state. This is preferably done by gasification of the solid or liquid located in a gasification volume flow particles in a carburetor, preferably in an air flow gasifier mentioned above.
- Other conversion processes such as e.g. Burns, sublimations or evaporations, in which the said particles are preferably converted into the gaseous state in a continuous volume flow, should in principle be regarded as being within the range of equivalency of the invention.
- the essence of the invention is the use of one or more in the visible wavelength range measuring camera, which receive the particles in a continuous volume flow, preferably the gasification volume flow in front of a camera arranged on the reference surface.
- the receiving area of the camera crosses the volume flow, e.g. the gasification volume flow of the carburetor.
- the reference surface is in the recording area, with the
- the detected intensities eg Radiation intensity
- the detected intensities are assigned to a downstream evaluation unit, in particular the particle conversion intensity, particle concentration, distribution, radiation and / or dynamics of the gasification, combustion, evaporation or sublimation.
- the reference surface has a design or conditioning that does not affect the aforesaid detected intensities of the particles by the cameras or in a correctable manner. What is essential here is the surface temperature of the reference surface which, if any, emits a preferably lower or different radiation intensity than the recorded particles. Preferably, the surface temperature of the reference values is lower than the particle temperature by the aforementioned design or conditioning.
- the said design comprises constructive measures, e.g. an arrangement at a cooler point in the gasification volume, combustion chamber, evaporation volume or sublimation volume or at heat-dissipating components (cooling fins, thermal bridges from the aforementioned volumes).
- the conditioning preferred for better controllability of cooling involves the use of active reference surface cooling elements, e.g. the use of liquid or gaseous cooling media, which pass through a heat exchanger conducted by this heat.
- the reference surface is formed by a surface of a heat exchanger, for example a micro heat exchanger.
- the evaluation unit and the evaluation taking place in it serves to detect at least one intensity value in the measuring range.
- the output is either as visual information via screen or measurement signal, alternatively as a controlled variable for a process control for the gasification combustion, evaporation or
- the evaluation preferably comprises the aforementioned separation of the intensity values of the particle and the reference surface, provided the intensity component of the reference surface does not - A - is negligibly small or the further evaluation of the recorded intensity is not inadmissible falsified, that is tolerable.
- a preferred evaluation comprising at least one low pass or average filtering of the particle conversion intensity values at otherwise steady process conditions serves to selectively detect changes in the particle concentration.
- the process described by way of example for an entrainment gasification can be optimally regulated by virtue of the fact that the primary air, the slurry feed and the temperature in the entrained flow gasifier can be correspondingly adapted in a timely manner.
- the particle content (coke content) of the slurry can be estimated via the particle conversion intensity with otherwise constant process conditions. This information offers further possibilities for optimal management of the process.
- the measurement area preferably comprises a particle conversion area, preferably the liquid or solid particle, into the gaseous state.
- a segment-wise detection of the measuring range takes place.
- the measuring range is subdivided into at least two measuring range segments, wherein the intensity values of each of these measuring range segments in the recording of the camera are separately detected and evaluated by the evaluating unit.
- This can also be realized with a plurality of cameras and / or reference surfaces at different locations, with the receiving areas of the cameras crossing the gasification volume flow at different locations. All of these measures do not preclude a possible correlation of the intensity values among one another from different, preferably adjacent measuring range segments, for example for a verification of the individual values or for tracking dynamic effects.
- the camera is preferably a video camera with a high dynamic range (eg CMOS camera with logarithmic characteristic) for a continuous recording of the measuring ranges, preferably for a process control. In this case, it is preferably combined with a continuous acquisition of the intensity values in the evaluation unit.
- a high dynamic range eg CMOS camera with logarithmic characteristic
- the invention includes a method of determining particle conversion intensity and / or distribution using a device having the aforementioned features.
- the method includes recording the gasification volume flow in the measuring range with the camera and forwarding the recordings to an evaluation unit for detecting at least one intensity value in the measuring range.
- Fig.l an embodiment of an upper part of an entrained flow gasifier with three cameras and a reference surface
- slurry heterogeneous pasty mixture with solid and fluid constituents
- the mixture of substances conducted through the feeders 3 to 5 into the interior of the entrained-flow gasifier is forwarded there as a common gasification volumetric flow 6, in which process the abovementioned endothermic gasification reaction is initiated spontaneously.
- the receiving areas 8 of three cameras 7 inserted into wall openings of the entrainment gasifier 1 cross the gasification volume flow 6.
- the three receiving areas 8 extend onto a common positively cooled reference area 9.
- An essential process in the gasification of coke / oil slurries is the conversion (burning) of solid coke particles.
- the invention uses the electromagnetic radiation emitted in the visible wavelength range during the conversion of the particles. This is detectable within the scope of the described embodiment with three commercially available camera systems 7 (for example CMOS cameras) in the illustrated spatial distribution.
- the reference surface facilitates the differentiation of the particle radiation from the background radiation. This has structurally conditioned or actively cooled a significantly lower temperature and thus emission of electromagnetic radiation as the particles.
- an already existing cover of a viewing glass opposite the cameras which was originally designed for visual gasification control and is used, for example, as a cool reference surface and therefore as a measuring region. can be cooled by gas convection on the outwardly facing surface.
- the average radiation intensity in the region of the reference surface is calculated by digital image processing. This value represents a measure of the intensity of particle turnover for the area covered by the camera. Furthermore, the detected area (measuring area) is divided into segments. For each segment, the mean radiation intensity can be calculated separately, whereby the distribution of the intensity of the particle turnover is determined.
- the entire region of the gasification volumetric flow 6 relevant for the particle turnover can be detected and monitored in the entrained flow gasifier.
- the distribution of the intensity of the particle conversion for the entire relevant area in the air flow gasifier can be determined.
- a measure of the temporal variation of the particle conversion can be calculated by calculating its variation over a predefinable time window.
- the average radiation intensity filtered over a given time window lowpass changes little for a considered segment.
- the mean radiation intensity changes noticeably, so that even a low-pass or average filtered value for the average radiation intensity undergoes a clear change.
- 2 shows, by way of example, the temporally filtered value of an average radiation intensity 10 (digital camera output signal, 8-bit camera resolution) as a function of the particle content 11 in [% by weight] of a slurry injected into the entrained-flow gasifier as the result of an exemplary experiment.
- the other company sizes were left almost unchanged.
- the radiation intensity shows a significant reproducible dependency on the particle content verified in further experiments (not shown) and can therefore be used as a reliable monitoring and / or controlled variable for comparative experiments as well as for temperature monitoring in gasification.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008027336A DE102008027336B4 (de) | 2008-06-07 | 2008-06-07 | Vorrichtung und Verfahren zur Bestimmung einer Partikelumwandlungsintensität |
| PCT/EP2009/003843 WO2009146849A1 (de) | 2008-06-07 | 2009-05-29 | Vorrichtung und verfahren zur bestimmung einer partikelumwandlungsintensität |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2286150A1 true EP2286150A1 (de) | 2011-02-23 |
| EP2286150B1 EP2286150B1 (de) | 2012-12-12 |
Family
ID=41021074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09757232A Not-in-force EP2286150B1 (de) | 2008-06-07 | 2009-05-29 | Vorrichtung und verfahren zur bestimmung einer partikelumwandlungsintensität |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2286150B1 (de) |
| DE (1) | DE102008027336B4 (de) |
| WO (1) | WO2009146849A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193692A (en) * | 1978-06-07 | 1980-03-18 | Monitek, Inc. | Method and apparatus for the optical measurement of the concentration of a particulate in a fluid |
| EP0074365A1 (de) * | 1981-03-16 | 1983-03-23 | Mount Isa Mines Limited | Messen der massendichte von teilförmigem material |
| US5127772A (en) * | 1987-09-18 | 1992-07-07 | Shell Oil Company | Method and apparatus for the control of suspension density by use of a radiation source |
| DE4438229C2 (de) | 1994-10-26 | 1996-09-05 | Schwarze Pumpe Energiewerke Ag | Einrichtung zur Videodiagnostik von Druckvergasungsreaktoren |
| DE19747324C2 (de) * | 1997-10-28 | 1999-11-04 | Bodo Wolf | Vorrichtung zur Erzeugung von Brenn-, Synthese- und Reduktionsgas aus nachwachsenden und fossilen Brennstoffen, Biomassen, Müll oder Schlämmen |
| DE102005006305B4 (de) * | 2005-02-11 | 2015-11-26 | Consulting & Management Friess Gbr (Vertretungsberechtigte Gesellschafter: Dietmar J. Friess 14532 Kleinmachnow, Jessica Friess 14532 Kleinmachnow) | Verfahren zur Erzeugung von Brenn- und Synthesegasen mit Hochdruckdampferzeugung |
| JP3963925B2 (ja) * | 2005-11-08 | 2007-08-22 | 株式会社神鋼環境ソリューション | 焼却処理システムにおける二次燃焼方法及び装置 |
| DE102006044114A1 (de) | 2006-09-20 | 2008-03-27 | Forschungszentrum Karlsruhe Gmbh | Verfahren zur Charakterisierung der Abgasausbrandqualität in Verbrennungsanlagen |
-
2008
- 2008-06-07 DE DE102008027336A patent/DE102008027336B4/de not_active Expired - Fee Related
-
2009
- 2009-05-29 EP EP09757232A patent/EP2286150B1/de not_active Not-in-force
- 2009-05-29 WO PCT/EP2009/003843 patent/WO2009146849A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009146849A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008027336A1 (de) | 2009-12-17 |
| WO2009146849A1 (de) | 2009-12-10 |
| EP2286150B1 (de) | 2012-12-12 |
| DE102008027336B4 (de) | 2010-07-08 |
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