EP1108185B1 - Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung - Google Patents
Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung Download PDFInfo
- Publication number
- EP1108185B1 EP1108185B1 EP00942004A EP00942004A EP1108185B1 EP 1108185 B1 EP1108185 B1 EP 1108185B1 EP 00942004 A EP00942004 A EP 00942004A EP 00942004 A EP00942004 A EP 00942004A EP 1108185 B1 EP1108185 B1 EP 1108185B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- exchanger material
- segment
- air
- combustion chamber
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 30
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000011069 regeneration method Methods 0.000 claims abstract description 12
- 230000008929 regeneration Effects 0.000 claims abstract description 11
- 239000000356 contaminant Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 21
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims 2
- 238000009826 distribution Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 238000010926 purge Methods 0.000 description 6
- 206010053615 Thermal burn Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 241001156002 Anthonomus pomorum Species 0.000 description 1
- 241001463014 Chazara briseis Species 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
Definitions
- Regenerative afterburners are used Purification of polluted exhaust gases from industrial processes. To save energy in thermal Afterburning the exhaust gases to be cleaned are Passed heat exchanger material. Because the ones to be cleaned Exhaust gases often contain organic contaminants Form of condensable substances, e.g. tar products, or contain organic dusts, the surfaces settle of these heat exchanger materials in the course of Operation with these contaminants. For regeneration the heat exchanger material must periodically on a Temperature are heated at which the at the Dissolve surface adsorbed contaminants and remove can be. This happens with the known thermal afterburners in that Fresh air brought into the combustion chamber, there heated to high temperature and then from above passed down through the heat exchanger material, fed to the outlet via the rotary distributor and then is disposed of via the chimney into the outside atmosphere.
- the Rotary distributor is in this process. Waiting for until the segment of the heat exchanger material that is flushed through from top to bottom on the required Has heated temperature so that all areas of the heat exchanger material in this segment of contaminants be freed. Then the rotary distributor is turned on Segment rotates and the process starts again.
- a disadvantage of this known regeneration method the heat exchanger material is proportionate long time necessary to clean all segments is. It also contains what is fed into the fireplace Gas the contaminants that come from the heat exchanger material have solved, and is therefore not clean.
- the object of the present invention is a method of the type mentioned in such a way that the thermal regeneration takes place quickly and moreover, no impurities in the ambient atmosphere be delivered.
- this object is achieved by that the air used for thermal regeneration in the combustion chamber is removed from the combustion chamber and returned to the inlet for exhaust gas to be cleaned, while the outlet for cleaned gas is closed, and that this air is circulated until the rotary distributor is rotating until the entire heat exchanger material is sufficiently heated and all impurities have been removed from it.
- the regenerative afterburning device is in the drawing with the reference number 1.
- Their basic structure and their basic functionality are - unless otherwise stated below is said - in EP 0 548 630 A1 or EP 0 719 984 A2, to which express reference is made.
- an inlet space 3 for the exhaust air to be cleaned, via an inlet line 4 is supplied.
- Rotary distributor 5 is a depending on its rotational position Connection between the inlet space 3 and a segment from a multitude of pie-shaped segments in one Distribution space 6 located above inlet space 3 forth.
- a heat exchange space 7, which in a corresponding Number of segments is divided, each with a corresponding segment of the one below Communicate distribution spaces.
- the segments of the heat exchange room 7 are filled with heat exchanger material.
- a combustion chamber 8 in which opens a burner 9.
- the rotary distributor 5 is designed in a known manner that he has another segment of the distribution space 6, which generally diametrically opposed to the former segment, and thus also another segment of the heat exchanger room 7 with an outlet line 10 for cleaned Gas connects. Finally, the rotary distributor 5 a connection between that segment of the distribution space 6 and thus the heat exchange chamber 7 with a Purge air line 11 ago, in the direction of rotation of the rotary distributor 5 seen ahead of the segment which communicates with the outlet line 10.
- the outlet line 10 for purified gas introduces a motor-controlled valve 12 and a blower 13, a another motor-controlled valve 14 and a silencer 15 to a chimney 16.
- a return line 17 from which another motor-controlled Valve 18 with the inlet line 4 for to be cleaned Exhaust gas is connected.
- the purge air line 11 already mentioned, in the one another motor-controlled valve 19 is located.
- the purge air line 11 also opens between the valve 19 and the inlet to the regenerative afterburner 1 a fresh air line connected to the outside atmosphere 20, which is controlled by a further motor-controlled valve 21 is lockable.
- the air circulation described is ongoing Rotary distributor 5 performed until the heat exchanger material even in the lowest areas Temperature at which the deposits are removed from the heat exchanger material. These contaminants are then removed from the circulating Air is brought into the combustion chamber 8 and burned there. If this process is finished, so the various motorized valves are back returned to the starting position and the feed of exhaust air to be cleaned via the inlet line 4 is resumed.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
- Incineration Of Waste (AREA)
- Braking Arrangements (AREA)
Description
daß die zur thermischen Regeneration verwendete in der Verbrennungskammer erhitzte Luft dem-Verbrennungsraum entnommen und zum Einlaß für zu reinigendes Abgas zurückgeführt wird, während der Auslaß für gereinigtes Gas geschlossen ist, und daß diese Luft so lange bei sich drehendem Drehverteiler im Kreislauf geführt wird, bis das gesamte Wärmetauschermaterial ausreichend erhitzt ist und sich alle Verunreinigungen von diesem gelöst haben.
Claims (1)
- Verfahren zur thermischen Regeneration des Wärmetauschermaterials einer regenerativen Nachverbrennungvorrichtung, welche in einem Gehäuse von oben nach unten umfaßt:dadurch gekennzeichnet, daß die zur thermischen Regeneration verwendete in der Verbrennungskammer (8) erhitzte Luft der Verbrennungskammer (8) entnommen und zum Einlaß (4) für das zu reinigende Abgas zurückgeführt wird, während der Auslaß (10) für gereinigtes Gas verschlossen ist, und daß die Luft so lange bei sich drehendem Drehverteiler (5) im Kreislauf geführt wird, bis das gesamte Wärmetauschermaterial ausreichend erhitzt ist und sich alle Verunreinigungen von diesem gelöst haben.a) eine Verbrennungskammer;b) einen Abschnitt, der in mehrere mit Wärmetauschermaterial gefüllte Segmente unterteilt ist;c) einen Drehverteiler, der entsprechend seiner Drehstellung herstellt:bei welchem Verfahren Luft in der Verbrennungskammer erhitzt, dieser entnommen, mit Frischluft auf die gewünschte Regenerationslufttemperatur eingestellt und nacheinander durch alle Segmente des Wärmetauschermaterials geleitet wird, wodurch das Wärmetauschermaterial auf eine Temperatur gebracht wird, bei welcher sich die an dem Wärmetauschermaterial adsorbierten Verunreinigungen lösen,ca) eine Verbindung zwischen einem Einlaß für zu reinigendes Abgas mit einem ersten Segment des Wärmetauschermaterials;cb) eine Verbindung zwischen einem zweiten Segment des Wärmetauschermaterials und einem Auslaß für gereinigtes Gas;cc) eine Verbindung zwischen einem dritten, dem zweiten Segment in Drehrichtung des Drehverteilers vorauseilenden Segment des Wärmetauschermaterials und einem Ein- oder Auslaß für Spülgas,
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19926405 | 1999-06-10 | ||
| DE19926405A DE19926405C2 (de) | 1999-06-10 | 1999-06-10 | Verfahren zur thermischen Regeneration des Wärmetauschermaterials einer regenerativen Nachverbrennungsvorrichtung |
| PCT/EP2000/004954 WO2000077453A1 (de) | 1999-06-10 | 2000-05-31 | Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1108185A1 EP1108185A1 (de) | 2001-06-20 |
| EP1108185B1 true EP1108185B1 (de) | 2004-08-11 |
Family
ID=7910748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00942004A Expired - Lifetime EP1108185B1 (de) | 1999-06-10 | 2000-05-31 | Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6622780B1 (de) |
| EP (1) | EP1108185B1 (de) |
| AT (1) | ATE273483T1 (de) |
| CZ (1) | CZ2001458A3 (de) |
| DE (2) | DE19926405C2 (de) |
| PL (1) | PL192690B1 (de) |
| WO (1) | WO2000077453A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7018447B2 (en) * | 2004-04-05 | 2006-03-28 | Dürr Systems, Inc. | Method of cleaning a rotary concentrator |
| WO2006041451A1 (en) * | 2004-09-29 | 2006-04-20 | Durr Industries, Inc. | Production paint shop design |
| US11391458B2 (en) * | 2016-06-27 | 2022-07-19 | Combustion Systems Company, Inc. | Thermal oxidization systems and methods |
| US12405003B2 (en) | 2016-06-27 | 2025-09-02 | Emission Rx, Llc | Thermal oxidization systems and methods with greenhouse gas capture |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2362622C2 (de) * | 1973-12-17 | 1986-07-10 | Portlandzementwerk Dotternhausen Rudolf Rohrbach Kg, 7460 Balingen | Vorrichtung zur Entstaubung heißer Abgase |
| US5101741A (en) * | 1991-05-10 | 1992-04-07 | Jwp Air Technologies | Flow line bake-out process for incinerator |
| DE4142136C2 (de) * | 1991-12-20 | 1994-07-21 | Eisenmann Kg Maschbau | Vorrichtung zum Reiniguen schadstoffhaltiger Abluft aus Industrieanlagen durch regenerative Nachverbrennung |
| US5259757A (en) * | 1992-02-27 | 1993-11-09 | Smith Engineering Company | Method and apparatus for smokeless burnout of regenerative thermal oxidizer systems |
| US6183707B1 (en) * | 1992-06-08 | 2001-02-06 | Biothermica International Inc. | Incineration of waste gases containing contaminant aerosols |
| US5346393A (en) * | 1993-02-02 | 1994-09-13 | Smith Engineering Company | Multiple-bed thermal oxidizer control damper system |
| US5643539A (en) * | 1994-03-04 | 1997-07-01 | Salem Engelhard | Regenerative incineration system |
| EP0702195A3 (de) * | 1994-08-17 | 1997-05-14 | Grace W R & Co | Ringförmiger Luftverteiler für regenerative, thermische Oxidationanlagen |
| US5538420A (en) * | 1994-11-21 | 1996-07-23 | Durr Industries, Inc. | Heat exchanger bake out process |
| US5562442A (en) * | 1994-12-27 | 1996-10-08 | Eisenmann Corporation | Regenerative thermal oxidizer |
| AT402697B (de) * | 1995-08-17 | 1997-07-25 | Schedler Johannes | Verfahren zur thermischen abreinigung von regenerativen nachverbrennungsanlage ohne schastoffreisetzung und ohne unterbrechung des hauptgasstrommes |
| US5810581A (en) * | 1996-08-20 | 1998-09-22 | Smith Engineering Company | Pre-heating of process stream for thermal oxidizers |
| US6203316B1 (en) * | 1999-11-12 | 2001-03-20 | Regenerative Environmental Equipment Co., Inc. (Reeco, Inc.) | Continuous on-line smokeless bake-out process for a rotary oxidizer |
-
1999
- 1999-06-10 DE DE19926405A patent/DE19926405C2/de not_active Expired - Fee Related
-
2000
- 2000-05-13 US US09/762,760 patent/US6622780B1/en not_active Expired - Fee Related
- 2000-05-31 DE DE50007369T patent/DE50007369D1/de not_active Expired - Lifetime
- 2000-05-31 PL PL345861A patent/PL192690B1/pl unknown
- 2000-05-31 AT AT00942004T patent/ATE273483T1/de not_active IP Right Cessation
- 2000-05-31 CZ CZ2001458A patent/CZ2001458A3/cs unknown
- 2000-05-31 EP EP00942004A patent/EP1108185B1/de not_active Expired - Lifetime
- 2000-05-31 WO PCT/EP2000/004954 patent/WO2000077453A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CZ2001458A3 (cs) | 2002-05-15 |
| PL345861A1 (en) | 2002-01-14 |
| EP1108185A1 (de) | 2001-06-20 |
| DE19926405A1 (de) | 2000-12-21 |
| PL192690B1 (pl) | 2006-11-30 |
| DE50007369D1 (de) | 2004-09-16 |
| WO2000077453A1 (de) | 2000-12-21 |
| US6622780B1 (en) | 2003-09-23 |
| ATE273483T1 (de) | 2004-08-15 |
| DE19926405C2 (de) | 2001-04-26 |
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