DE2917536C2 - Verfahren zum explosionssicheren Betreiben von Vergasungsreaktoren für staubförmige Brennstoffe - Google Patents
Verfahren zum explosionssicheren Betreiben von Vergasungsreaktoren für staubförmige BrennstoffeInfo
- Publication number
- DE2917536C2 DE2917536C2 DE2917536A DE2917536A DE2917536C2 DE 2917536 C2 DE2917536 C2 DE 2917536C2 DE 2917536 A DE2917536 A DE 2917536A DE 2917536 A DE2917536 A DE 2917536A DE 2917536 C2 DE2917536 C2 DE 2917536C2
- Authority
- DE
- Germany
- Prior art keywords
- fuel
- pressure
- reactor
- oxygen
- gasification
- 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.)
- Expired
Links
- 239000000446 fuel Substances 0.000 title claims description 68
- 238000002309 gasification Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 13
- 239000001301 oxygen Substances 0.000 claims description 51
- 229910052760 oxygen Inorganic materials 0.000 claims description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 47
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000009969 flowable effect Effects 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 17
- 239000000428 dust Substances 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000003345 natural gas Substances 0.000 description 7
- 239000002817 coal dust Substances 0.000 description 6
- 241001156002 Anthonomus pomorum Species 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 206010016352 Feeling of relaxation Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000003077 lignite Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- C10J3/466—Entrained flow processes
-
- 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
- C10J3/50—Fuel charging devices
- C10J3/506—Fuel charging devices for entrained flow gasifiers
-
- 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
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/78—High-pressure apparatus
-
- 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
- C10J2300/093—Coal
-
- 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
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- 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
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
-
- 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
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
-
- 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
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S48/00—Gas: heating and illuminating
- Y10S48/04—Powdered fuel injection
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Feeding And Controlling Fuel (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD20567978A DD136748B1 (de) | 1978-05-31 | 1978-05-31 | Verfahren zum betreiben von vergasungsanlagen fuer staubfoermige brennstoffe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2917536A1 DE2917536A1 (de) | 1979-12-06 |
| DE2917536C2 true DE2917536C2 (de) | 1987-01-08 |
Family
ID=5512848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2917536A Expired DE2917536C2 (de) | 1978-05-31 | 1979-04-30 | Verfahren zum explosionssicheren Betreiben von Vergasungsreaktoren für staubförmige Brennstoffe |
Country Status (16)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3823773A1 (de) * | 1988-07-14 | 1990-01-18 | Krupp Koppers Gmbh | Verfahren zur ermittlung und steuerung des brennstoff-massenstromes bei der partialoxidation (vergasung) von feinkoernigen bis staubfoermigen brennstoffen |
| BRPI0612707A2 (pt) * | 2005-07-05 | 2016-11-29 | Shell Int Research | sistema e método para produzir gás de síntese, e, uso de um reator de gaseificação reserva |
| US7722690B2 (en) * | 2006-09-29 | 2010-05-25 | Kellogg Brown & Root Llc | Methods for producing synthesis gas |
| US8888875B2 (en) * | 2006-12-28 | 2014-11-18 | Kellogg Brown & Root Llc | Methods for feedstock pretreatment and transport to gasification |
| US9157042B2 (en) | 2008-07-16 | 2015-10-13 | Kellogg Brown & Root Llc | Systems and methods for producing substitute natural gas |
| US7955403B2 (en) | 2008-07-16 | 2011-06-07 | Kellogg Brown & Root Llc | Systems and methods for producing substitute natural gas |
| US9157043B2 (en) | 2008-07-16 | 2015-10-13 | Kellogg Brown & Root Llc | Systems and methods for producing substitute natural gas |
| US9132401B2 (en) | 2008-07-16 | 2015-09-15 | Kellog Brown & Root Llc | Systems and methods for producing substitute natural gas |
| CN101561449B (zh) * | 2009-05-27 | 2010-12-01 | 内蒙古科技大学 | 防爆供粉装置 |
| US9133405B2 (en) | 2010-12-30 | 2015-09-15 | Kellogg Brown & Root Llc | Systems and methods for gasifying a feedstock |
| DE102011083850A1 (de) * | 2011-09-30 | 2013-04-04 | Siemens Aktiengesellschaft | Pneumatische Brennstoffzuführung von einem Dosiergefäß zu einem Vergasungsreaktor mit hohem Differenzdruck |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE524439C (de) * | 1929-10-25 | 1931-05-12 | Julius Pintsch Akt Ges | Verfahren zur Verhuetung explosiver Gemische bei der Erzeugung von brennbaren Gasen nach Art des Generatorgases aus Kohlen- oder Koksstaub |
| US2395384A (en) * | 1943-05-25 | 1946-02-19 | Askania Regulator Co | Pilot control for primary and secondary fuels |
| DE856188C (de) * | 1947-12-29 | 1952-11-20 | Koppers Co Inc | Verfahren zur Vergasung von fein verteilten festen Brennstoffen in der Schwebe mit Sauerstoff |
| DE1026031B (de) * | 1952-02-18 | 1958-03-13 | Koppers Gmbh Heinrich | UEberwachungsanlage fuer Einrichtungen zur Erzeugung von Brenngas aus staubfoermigenfesten oder fluessigen Brennstoffen |
| DE1137819B (de) * | 1954-12-29 | 1962-10-11 | Kloeckner Humboldt Deutz Ag | Verfahren zur Regelung der Brennstoffzufuhr zu einem Wirbelschicht-Gaserzeuger oder zu einem Schwebe-Vergaser |
| DE1023746B (de) * | 1955-10-27 | 1958-02-06 | Koppers Gmbh Heinrich | Verfahren zur kontinuierlichen Erzeugung von Wassergas |
| US2919980A (en) * | 1957-10-22 | 1960-01-05 | Koppers Co Inc | Apparatus for gasification of finely divided solid or liquid fuels |
| DE1125108B (de) * | 1958-06-21 | 1962-03-08 | Sumitomo Chemical Co | Verfahren zur selbsttaetigen Steuerung der Zufuhr der Reaktionsteilnehmer zu einer Kohlenstaub-Schwebevergasungsvorrichtung |
| US3159345A (en) * | 1962-01-05 | 1964-12-01 | Phillips Petroleum Co | Control system for utilization of variable flow fuel |
| US4017269A (en) * | 1972-03-25 | 1977-04-12 | Krupp-Koppers Gmbh | Method and arrangement for gasifying finely divided fluidized solid combustible material |
| US4017272A (en) * | 1975-06-05 | 1977-04-12 | Bamag Verfahrenstechnik Gmbh | Process for gasifying solid carbonaceous fuel |
| US4032287A (en) * | 1975-06-16 | 1977-06-28 | United States Steel Corporation | Combination burner |
-
1978
- 1978-05-31 DD DD20567978A patent/DD136748B1/de not_active IP Right Cessation
-
1979
- 1979-04-30 DE DE2917536A patent/DE2917536C2/de not_active Expired
- 1979-05-05 CS CS793126A patent/CS223559B1/cs unknown
- 1979-05-07 SU SU797770562A patent/SU981348A1/ru active
- 1979-05-10 AT AT0349579A patent/AT375670B/de not_active IP Right Cessation
- 1979-05-17 US US06/040,052 patent/US4325709A/en not_active Expired - Lifetime
- 1979-05-25 PL PL21585979A patent/PL215859A1/xx unknown
- 1979-05-29 FR FR7913675A patent/FR2427379A1/fr active Granted
- 1979-05-29 IN IN555/CAL/79A patent/IN153534B/en unknown
- 1979-05-29 GB GB7918528A patent/GB2022133B/en not_active Expired
- 1979-05-30 YU YU01265/79A patent/YU126579A/xx unknown
- 1979-05-30 TR TR20695A patent/TR20695A/xx unknown
- 1979-05-30 AU AU47574/79A patent/AU526706B2/en not_active Ceased
- 1979-05-31 JP JP54066932A patent/JPS5846237B2/ja not_active Expired
- 1979-05-31 HU HU79BE1352A patent/HU182457B/hu unknown
-
1980
- 1980-05-23 GR GR59164A patent/GR65513B/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL215859A1 (US06633782-20031014-M00005.png) | 1980-02-25 |
| SU981348A1 (ru) | 1982-12-15 |
| GR65513B (en) | 1980-09-17 |
| AU526706B2 (en) | 1983-01-27 |
| GB2022133B (en) | 1982-05-12 |
| AU4757479A (en) | 1979-12-06 |
| HU182457B (en) | 1984-01-30 |
| ATA349579A (de) | 1984-01-15 |
| IN153534B (US06633782-20031014-M00005.png) | 1984-07-21 |
| DD136748B1 (de) | 1980-10-01 |
| US4325709A (en) | 1982-04-20 |
| TR20695A (tr) | 1982-05-06 |
| JPS5846237B2 (ja) | 1983-10-14 |
| DE2917536A1 (de) | 1979-12-06 |
| AT375670B (de) | 1984-08-27 |
| GB2022133A (en) | 1979-12-12 |
| FR2427379B1 (US06633782-20031014-M00005.png) | 1985-03-08 |
| JPS54158405A (en) | 1979-12-14 |
| DD136748A1 (de) | 1979-07-25 |
| YU126579A (en) | 1984-06-30 |
| FR2427379A1 (fr) | 1979-12-28 |
| CS223559B1 (en) | 1983-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2917536C2 (de) | Verfahren zum explosionssicheren Betreiben von Vergasungsreaktoren für staubförmige Brennstoffe | |
| DE102006030079B4 (de) | Verfahren zur Inbetriebnahme von Flugstrom-Vergasungsreaktoren hoher Leistung mit Kombinationsbrenner und Mehrbrenneranordnung | |
| DE102007051077B4 (de) | Flugstromvergaser mit Kühlschirm und innerem Wassermantel | |
| DE2817356A1 (de) | Verfahren und vorrichtung zur teilweisen verbrennung von feinen festen brennstoffen | |
| WO2009040324A1 (de) | Flugstromvergaser mit kühlschirm und gleitdichtung | |
| DE3323270C2 (US06633782-20031014-M00005.png) | ||
| DE102008058487A1 (de) | Flugstromvergaser mit festem Kühlschirm und Dampferzeugung | |
| DE19949142C1 (de) | Verfahren und Vorrichtung zur Entsorgung und Nutzbarmachung von Abfallgütern | |
| DE2659752A1 (de) | Verfahren zur reduzierung des schwefelgehaltes von zu staub aufbereiteter kohle | |
| DE3850755T2 (de) | Gasturbinenanlage mit Druckstabilisator für Notfälle. | |
| DE2935771A1 (de) | Verfahren und vorrichtung zur ueberwachung und steuerung von hochtemperatur- vergasungsprozessen | |
| EP0319836B1 (de) | Verfahren zum Betrieb eines Einschmelzvergasers und Einschmelzvergaser zu dessen Durchführung | |
| DE102012216898B4 (de) | Vergasungsreaktor mit intermittierendem Pilotbrennerbetrieb | |
| DD278692A3 (de) | Verfahren zur inbetriebnahme von anlagen zur partialoxidation | |
| WO2010083897A1 (de) | Vorrichtung zum druckausgleich zwischen reaktionsraum und kühlschirmspalt bei einem flugstromvergaser mit fest eingeschweisstem kühlschirm | |
| DE2935992C2 (de) | Vorrichtung zur Druckentspannung von Reaktoren | |
| DE102012216557A1 (de) | Brenner, insbesondere Vergasungsbrenner, mit transpirativ wirkender Bauteilkühlung | |
| DE2607743C2 (de) | Verfahren zum Betreiben eines Reaktors für das Vergasen fester Brennstoffe | |
| DE4041445C2 (US06633782-20031014-M00005.png) | ||
| DE2738761A1 (de) | Bunkeranlage fuer heisse trockenkohle und kuehle nasskohle zum fuellen von batterieweise angeordneten verkokungsoefen | |
| DD152790A1 (de) | Verfahren zur in-und ausserbetriebnahme von staubvergasungsanlagen | |
| DE4113857A1 (de) | Verfahren zum zuenden eines vergasungsreaktors | |
| DE1958214C3 (de) | Verfahren und Vorrichtung zum Einblasen eines reduzierenden Gases in einen Hochofen | |
| DD238062A1 (de) | Verfahren zur fortleitung und schnellabsperrung von vergasungsrohgasen | |
| WO2018050559A1 (de) | Flugstromvergaser mit reduziertem quencherdurchmesser gegenüber reaktionsraumdurchmesser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: NOELL-DBI ENERGIE- UND ENTSORGUNGSTECHNIK GMBH, O- |
|
| 8339 | Ceased/non-payment of the annual fee |