EP1258677A2 - Vorrichtung zur Reinigung von Abgasen aus industriellen Prozessen - Google Patents
Vorrichtung zur Reinigung von Abgasen aus industriellen Prozessen Download PDFInfo
- Publication number
- EP1258677A2 EP1258677A2 EP02009627A EP02009627A EP1258677A2 EP 1258677 A2 EP1258677 A2 EP 1258677A2 EP 02009627 A EP02009627 A EP 02009627A EP 02009627 A EP02009627 A EP 02009627A EP 1258677 A2 EP1258677 A2 EP 1258677A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion chamber
- cleaned
- heat exchanger
- exhaust gas
- gas
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000004140 cleaning Methods 0.000 title claims description 9
- 238000002485 combustion reaction Methods 0.000 claims abstract description 75
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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
Definitions
- the invention relates to a device for cleaning Exhaust gases from industrial processes, especially one thermal afterburning device, with a combustion chamber, in which the exhaust gas to be cleaned is burned, and a heat exchanger in which the exhaust gas to be cleaned is preheated, the heat exchanger facilities for spiral guidance of the exhaust gas to be cleaned has the combustion chamber.
- Thermal afterburners are in one Numerous applications, for example in suction of exhaust gases from paint shops.
- Purification of the exhaust gas from contained pollutants the exhaust gas is passed through a combustion chamber and the pollutants contained therein are burned. It is it also known the exhaust gas supplied to the combustion preheat beforehand in a heat exchanger.
- Such The device is, for example, from DE 199 10 687 A1 known.
- a device of the aforementioned Art is known for example from US 3,311,456.
- a other device for cleaning exhaust gases is in the DE 693 00 289 T2 described.
- Exhaust gas through pipes aligned parallel to the combustion chamber led along the combustion chamber.
- the cleaned exhaust gas is screwed around the combustion chamber via baffles led around, so that the hot clean gas helically on the pipes running parallel to the combustion chamber meets.
- the invention is based on the object of a device to create of the type mentioned in the Use is particularly economical.
- the heat exchanger is preferably designed such that the exhaust gas to be cleaned between the combustion chamber and one the housing enclosing the combustion chamber is guided.
- both the combustion chamber and the housing surrounding the combustion chamber is cylindrical. In this way, particularly good ones can be Reach flow conditions of the exhaust gases to be cleaned.
- Exhaust gases around the combustion chamber is in a preferred embodiment a helix is provided between the Combustion chamber and the housing surrounding the combustion chamber is arranged and essentially of a strip of material, preferably made of the same material as that remaining parts of the device, in particular made of stainless steel, is formed.
- the device a device for recycling the hot clean gases on.
- the repatriation facility the hot clean gas preferably has a Guide housing surrounding the combustion chamber.
- the spiral for the spiral guidance of the exhaust gases to be cleaned the combustion chamber is then preferably between this guide housing and the outer, enclosing the combustion chamber Housing arranged.
- the heat exchanger Device for carrying out the hot clean gas provided by the exhaust gas to be cleaned.
- this is returned through the guide housing then reapply clean gas through that cleaning exhaust gas performed.
- the facility to carry the hot clean gases through the to be cleaned Exhaust gas arranged spirally around the combustion chamber.
- This device is designed in such a spiral that they counter to the spiraling of the lead cleaning exhaust gases is aligned.
- the opposite is here to understand in the sense of the direction of rotation, so that the cross the relevant facilities again and again, especially at an angle of about 90 °.
- the device for carrying out the hot clean gas by the gas to be cleaned points in a preferred Embodiment a variety of heat exchanger hoses or pipes on, in the coils to the heat exchanger hoses adapted passages are provided, so that the heat exchanger hoses also in the opposite direction to the Device for the spiral guidance of the items to be cleaned Exhaust gases are feasible around the combustion chamber.
- a flow straightener in the exit area of the combustion chamber intended. This makes it even Distribution of those emerging from the combustion chamber guaranteed hot gases.
- a bypass opening is preferably additionally provided, which is conveniently controllable, so that in In case of overpressure or too high a temperature hot gas coming from the combustion chamber can be discharged to the outside is.
- a catalyst is provided in the exit area of the combustion chamber.
- the catalyst is preferably from a large number of individual catalysts trained, through which the hot gas must flow.
- the plurality of catalysts in the inlet area is preferred the device for returning the hot Clean gas arranged.
- Fig. 1 is a device 1 for cleaning exhaust gases represented from industrial processes.
- the device 1 has an outer cylindrical housing 14 on, in which a combustion chamber 7 is arranged centrally, which is also cylindrical.
- the combustion chamber 7 has a burner 4 in the left end area 6 fuel supplied through a central feed line becomes.
- an inlet port 21 In the right end area of the housing 14 of the device 1 is an inlet port 21 through which Raw gas can enter and then in the outer area of the Device along the formed as a spiral 15 Device for spiral guidance several times around the Combustion chamber 7 is guided around, then in the area of Burner 4 enters the combustion chamber 7 and there is burned.
- flow straighteners 8 are arranged through which the burn burnt gases.
- Bypass valve 13 Behind it is one Bypass valve 13 arranged, usually in the operating state closed is. Furthermore are behind the Flow straightener 8 a catalyst 9 and a A plurality of catalysts 9 in the entrance area to one arranged around the combustion chamber 7 annular gap 10, through which the hot combustion air passes.
- a guide housing 16 is arranged, being between this guide housing 16 and the Combustion chamber 7 of said annular gap 10 is through the hot air along the combustion chamber 7 in the direction of the burner 4 is passed there at the end of the annular gap 10 passed into a front reversible collecting chamber 11 and from there into the heat exchanger hoses 17 trained device to carry out the hot Clean gas is passed through the exhaust gas to be cleaned.
- heat exchanger hoses 17 are also spiral led around the combustion chamber, the opposite led to the coil 15 around the combustion chamber 7 are.
- overall 36 heat exchanger hoses 17 provided in parallel to each other. The heat exchanger hoses 17 are to the outlet connection shown on the right in FIG. 1 12 performed, on which the clean gas generated ultimately exit.
- FIG. 2 is a cross-sectional view along the line A-A shown in Fig. 1. It's from the outside in Housing 14 and then to recognize the guide housing 16. Between the housing 14 and the guide housing 16 this is achieved by exhaust gas supplied to the inlet port 21. Within of the guide housing 16, the combustion chamber 7 is positioned, being between combustion chamber 7 and guide housing 16 the annular gap 10 is formed by the the hot clean gas is returned. In the entrance area a total of 12 openings are provided in the annular gap 10, in which catalysts 9 are arranged by which flow through the hot gas coming from the combustion chamber 7 got to. Central is in the cross-sectional view the bypass flap 13 can also be seen in the end region the combustion chamber 7 is arranged.
- FIG. 3 is a side view of the invention Device 1 with a housing shown transparently 14 shown. Inside the housing 14 is that Guide housing 16 to recognize the device for spiral guidance of the exhaust gas to be cleaned the combustion chamber is in the form of a spiral 15, so that the exhaust gas or raw gas to be cleaned is directed towards the arrows 20 parallel to the spiral 15 around the combustion chamber 7 to the entrance area of the combustion chamber 7 is guided in the area of the burner 4. Still is exemplary of the large number of heat exchanger hoses a heat exchanger hose 17 shown. These run also spirally around the combustion chamber or around that Guide housing 16 and always meet the Spiral 15, wherein in the spiral 15 to the heat exchanger hoses 17 adapted passages 18 are provided are. The emerging clean gas flows in the direction of the Arrows 22.
- FIG. 4 is a perspective view of the helix 15 in which the plurality of passages 18 for the plurality of heat exchanger hoses 17 are provided is.
- the exhaust gas or raw gas to be cleaned occurs during operation through the inlet connector 21 into the device 1.
- the exhaust gas to be cleaned is then distributed in the front Distribution chamber 2 and then flows through the heat exchanger 3, especially along the spiral around the Combustion chamber 7 leading helix 15.
- the exhaust gas on the one hand by the from the combustion chamber 7 or Annular gap 10 emitted heat and on the other hand from the through the heat exchanger 3 leading device for recirculation of the hot clean gas, namely the heat exchanger hoses 17, heated. Due to the forced management of the Spiral 15 remains the incoming raw gas or exhaust gas comparatively long in the heat exchanger 3 and has there to go a long way. The way depends on the Number of turns of the helix.
- the exhaust gas is thrice around the combustion chamber led around.
- the preheated in this way Exhaust gas enters the combustion chamber 7 in the region 5 and also serves as combustion air for the through the Feed 6 performed fuel and is from there the burner 4 burned. This takes place in the combustion chamber 7 actual reaction of the pollutants contained in the exhaust gas due to the high temperature and the high excess of combustion air.
- a temperature controller holds the Reaction temperature in the combustion chamber 7 using a Fuel flow regulator constant. They are called this Pre-cleaned gases flow into the combustion chamber 7 in Arrow direction through the flow straightener 8 and are distributed evenly over the entire cross-section of the combustion chamber.
- the catalyst 9 which is preferably a platinum catalyst is formed with surrounding ceramic fibers, and react with the excess residual oxygen and remaining pollutants.
- the gases cleaned in this way flow through the annular gap 10 into the front reversible collecting chamber 11 and are distributed in the heat exchanger hoses 17.
- the heat exchanger hoses 17 are helical or spiral with reverse direction of rotation like that Helix 15 passed around the combustion chamber 7 and perform that cleaned gas to the outlet port 12.
- the at the end of the Combustion chamber 7 arranged bypass valve 13 is normal closed and gives in an emergency, for example the cleaned gas directly at an impermissibly high temperature in the outlet port 12. In this way, in Emergency bypassed the heat exchanger 3, so that then Temperature in the combustion chamber 7 drops and the excess temperature is lowered.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Incineration Of Waste (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
- Fig. 1:
- eine geschnittene Seitenansicht einer erfindungsgemäßen Vorrichtung;
- Fig. 2:
- eine geschnittene Ansicht gemäß der Linie A-A in Fig. 1;
- Fig. 3:
- eine Seitenansicht der erfindungsgemäßen Vorrichtung mit transparent dargestelltem Gehäuse und
- Fig. 4:
- eine perspektivische Ansicht einer Wendel der Vorrichtung.
Claims (13)
- Vorrichtung zur Reinigung von Abgasen aus industriellen Prozessen, insbesondere thermische Nachverbrennungsvorrichtung, mit einer Brennkammer (7), in der das zu reinigende Abgas verbrannt wird, und einem Wärmetauscher (3), in dem das zu reinigende Abgas vorgewärmt wird, wobei der Wärmetauscher (3) Einrichtungen zur spiralförmigen Führung des zu reinigenden Abgases um die Brennkammer (7) aufweist,
dadurch gekennzeichnet, daß der Wärmetauscher (3) eine Einrichtung (17) zur Durchführung der heißen Reingase durch das zu reinigende Abgas um die Brennkammer (7) aufweist, die spiralförmig gegensinnig zu der spiralförmigen Führung der zu reinigenden Abgase ausgerichtet ist. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das zu reinigende Abgas zwischen der Brennkammer (7) und einem die Brennkammer (7) umschließenden Gehäuse (14) geführt ist.
- Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Brennkammer (7) und das die Brennkammer umgebende Gehäuse (14) zylinderförmig ausgebildet sind.
- Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Einrichtung zur spiralförmigen Führung des zu reinigenden Abgases eine Wendel (15) aufweist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Vorrichtung (1) eine Einrichtung zur Rückführung der heißen Reingase aufweist. - Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Einrichtung zur Rückführung der heißen Reingase ein die Brennkammer (7) umgebendes Führungsgehäuse (16) aufweist.
- Vorrichtung nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, daß die Wendel (15) zwischen dem Führungsgehäuse (16) und dem Gehäuse (14) angeordnet ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Einrichtung (17) zur Durchführung des heißen Reingases durch das zu reinigende Gas eine Vielzahl von Wärmetauscherschläuchen (17) aufweist. - Vorrichtung nach einem der Ansprüche 4 bis 11, dadurch gekennzeichnet, daß in den Wendeln (15) an die Wärmetauscherschläuche (17) angepaßte Durchlässe (18) vorgesehen sind.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im Ausgangsbereich der Brennkammer (7) ein Strömungsgleichrichter (8) vorgesehen ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im Ausgangsbereich der Brennkammer (7) eine Bypassöffnung (13) vorgesehen ist.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im Ausgangsbereich der Brennkammer (7) ein Katalysator (9) vorgesehen ist.
- Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß eine Mehrzahl von Katalysatoren (9) im Eintrittsbereich der Einrichtung zur Rückführung des heißen Reingases angeordnet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10124495 | 2001-05-19 | ||
| DE10124495A DE10124495C2 (de) | 2001-05-19 | 2001-05-19 | Vorrichtung zur Reinigung von Abgasen aus industriellen Prozessen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1258677A2 true EP1258677A2 (de) | 2002-11-20 |
| EP1258677A3 EP1258677A3 (de) | 2002-11-27 |
| EP1258677B1 EP1258677B1 (de) | 2005-08-10 |
Family
ID=7685432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02009627A Expired - Lifetime EP1258677B1 (de) | 2001-05-19 | 2002-04-27 | Vorrichtung zur Reinigung von Abgasen aus industriellen Prozessen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1258677B1 (de) |
| AT (1) | ATE301804T1 (de) |
| DE (2) | DE10124495C2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120538069A (zh) * | 2025-06-09 | 2025-08-26 | 上海安居乐环保科技股份有限公司 | 一种处理油田污水废气的小风量无切换蓄热式氧化炉 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008052644A1 (de) * | 2008-10-22 | 2010-04-29 | Volkswagen Ag | Verfahren und Vorrichtung zur thermischen Nachbehandlung von Abluft einer Trocknerkammer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3311456A (en) | 1963-03-21 | 1967-03-28 | Universal Oil Prod Co | Apparatus for incinerating a waste gas stream |
| DE69300289T2 (de) | 1992-03-10 | 1996-04-11 | Dumoutier & Massetat | Vorrichtung zur Reinigung von Abgasen. |
| DE19910687A1 (de) | 1999-03-10 | 2000-10-05 | Eisenmann Kg Maschbau | Vorrichtung zur Reinigung verunreinigter Abgase aus industriellen Prozessen, insbesondere thermische Nachverbrennungsvorrichtung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2240071A1 (de) * | 1972-08-16 | 1974-02-28 | Otto Dipl Ing Brust | Nachverbrennungsofen fuer thermische nachverbrennung mit rekuperatoreffekt |
-
2001
- 2001-05-19 DE DE10124495A patent/DE10124495C2/de not_active Expired - Fee Related
-
2002
- 2002-04-27 AT AT02009627T patent/ATE301804T1/de not_active IP Right Cessation
- 2002-04-27 EP EP02009627A patent/EP1258677B1/de not_active Expired - Lifetime
- 2002-04-27 DE DE50203859T patent/DE50203859D1/de not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3311456A (en) | 1963-03-21 | 1967-03-28 | Universal Oil Prod Co | Apparatus for incinerating a waste gas stream |
| DE69300289T2 (de) | 1992-03-10 | 1996-04-11 | Dumoutier & Massetat | Vorrichtung zur Reinigung von Abgasen. |
| DE19910687A1 (de) | 1999-03-10 | 2000-10-05 | Eisenmann Kg Maschbau | Vorrichtung zur Reinigung verunreinigter Abgase aus industriellen Prozessen, insbesondere thermische Nachverbrennungsvorrichtung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120538069A (zh) * | 2025-06-09 | 2025-08-26 | 上海安居乐环保科技股份有限公司 | 一种处理油田污水废气的小风量无切换蓄热式氧化炉 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50203859D1 (de) | 2005-09-15 |
| EP1258677A3 (de) | 2002-11-27 |
| DE10124495A1 (de) | 2002-11-28 |
| DE10124495C2 (de) | 2003-04-10 |
| ATE301804T1 (de) | 2005-08-15 |
| EP1258677B1 (de) | 2005-08-10 |
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