EP1190201B1 - Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung - Google Patents

Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung Download PDF

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Publication number
EP1190201B1
EP1190201B1 EP00936836A EP00936836A EP1190201B1 EP 1190201 B1 EP1190201 B1 EP 1190201B1 EP 00936836 A EP00936836 A EP 00936836A EP 00936836 A EP00936836 A EP 00936836A EP 1190201 B1 EP1190201 B1 EP 1190201B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
exchanger material
segment
connection
rotary distributor
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
Application number
EP00936836A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1190201A2 (de
Inventor
Walter PÖTZL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisenmann Anlagenbau GmbH and Co KG
Original Assignee
Eisenmann Anlagenbau GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eisenmann Anlagenbau GmbH and Co KG filed Critical Eisenmann Anlagenbau GmbH and Co KG
Publication of EP1190201A2 publication Critical patent/EP1190201A2/de
Application granted granted Critical
Publication of EP1190201B1 publication Critical patent/EP1190201B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
    • F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material

Definitions

  • Regenerative Nachverbrennungsvortechnischen serve the Cleaning contaminated waste gases from industrial processes.
  • the exhaust gases to be cleaned by heat exchanger material passed.
  • the to be cleaned Exhaust gases often contain organic impurities in the form of condensable Substances, e.g. Tar products, or organic Contain dusts, the surfaces of this set Heat exchanger materials in the course of operation with these impurities too.
  • For regeneration must the heat exchanger material periodically to a temperature be heated, which at the surface Dissolve adsorbed contaminants and discharged can be.
  • a disadvantage of this known method for regeneration the heat exchanger material is the one that is relatively long time to clean all segments necessary is. In addition, this contains the Chimney fed gas the impurities that spread have solved from the heat exchanger material, and is thus not clean.
  • a cleaning of the regeneration of the heat exchanger material accumulating exhaust gases is provided in US 5,259,757.
  • the individual regenerators are juxtaposed, not segmented.
  • the regeneration process is controlled via Flaps.
  • the amount of supplied fresh air is during the cleaning process about a quarter of the amount to be cleaned process gas; just in the cleaning cycle
  • the object of the present invention is a method of the type mentioned in such a way that no Pollutants released into the ambient atmosphere while accelerating the cleaning of the segments and the temperature of the discharged through the exhaust chimney Keep gases at a desired low level
  • the air used for thermal regeneration in the combustion chamber heated air from the combustion chamber via a segment of the heat exchanger material down and supplied via the rotary distributor the inlet port or the outlet port and from there again directly into the combustion chamber, and that the air is circulated while the rotary distributor is stationary until the heat exchanger material in the segment has heated sufficiently and all the impurities have been removed therefrom, whereupon this process is carried out in turn for all other segments, in which the recirculated air is supplied with fresh air to increase the oxygen content; and Excess gas withdrawn continuously and continuously mixed with fresh air to lower the temperature and at least partially fed to a fireplace.
  • the hot exchanger material hot air not directly to the fireplace but to a new afterburning back into the combustion chamber of the post-combustion device is initiated, also leave the For regeneration used hot gases, the post-combustion device completely cleaned; impurities Do not get into the outside atmosphere via the exhaust chimney issued.
  • the oxygen required for oxidation is replaced by fresh air supplied via the connection of purge gas.
  • FIG. 1 shows a regenerative afterburning apparatus marked with the reference numeral 1. Your basic Structure and its basic operation are - unless otherwise stated below - in EP 0 548 630 A1 or EP 0 719 984 A2, which is expressly referred to.
  • an intake pipe 4 introduced for the exhaust air to be cleaned.
  • she stands with a housed in the lower part of the housing 2 Rotary distributor 5 in conjunction, depending on his Rotary position a connection between the inlet pipe 4 and a segment of a plurality pieortenförmiger Segments in one above the rotary distributor. 5 arranged distribution space 6 produces.
  • a heat exchange chamber 7, in a corresponding number of segments is divided, each with a corresponding Segment of the underlying distribution space 7 communicate.
  • the segments of the heat exchange space 7 are filled with heat exchanger material.
  • a combustion chamber 8 in which a burner 9 opens.
  • the rotary distributor 5 is designed in a known manner so that he is another segment of the distribution space 6, which is generally diametrically opposed to the former segment and thus another segment of the Heat exchanger chamber 7 with an outlet collecting chamber 3 in bottom portion of the housing 2 connects, in which an outlet 10 opens for purified gas.
  • the outlet line 10 for purified gas leads over a motor-controlled valve 12 and a fan 13, another motorized valve 14 and a muffler 15 to a chimney 16.
  • a scavenging air line 11 off, in which another motor-driven Valve 19 is located.
  • the scavenging air 11 also opens between the valve 19 and the inlet to the regenerative Afterburner 1 with the outside atmosphere connected fresh air line 20 through another motor-controlled valve 21 closed is.
  • the combustion chamber 8 is connected to the outlet conduit 10 for purified gases at a point between the engine-controlled Valve 12 and the blower 13 connected; This connection can be with a motor-driven Open or close valve 23. Between the engine-controlled Valve 23 and the discharge point in the outlet line 10 opens into the line 22 a Frischluftzutextechnisch 24, also powered by a motor Valve 25 is lockable.
  • the inlet conduit 4 is via a conduit 30, in which a motor-controlled valve 31 and a blower 32 lie, with a gap 33 in the upper region of the Housing 2 is connected, which surrounds the burner 9.
  • the hot air is circulated in the way described, while the rotary distributor 5 is. Excess air in the Circuit is opened by appropriate opening of the engine Valves 14 discharged to the chimney 16 out. The Temperature of the thus discharged hot gases can by appropriate opening of the engine-controlled Valves 25 by adding fresh air over the Line 24 are lowered in the required manner.
  • the described air circulation is carried out so long until the heat exchanger material in the lowest Areas has reached that temperature at which the deposits removed from the heat exchanger material become.
  • the rotary distributor becomes 5 continued by one segment. Are all segments cleaned, the various engine-controlled Valves returned to their original position and the supply of exhaust air to be cleaned via the inlet line 4 is resumed.
  • FIG. 1 A slightly modified variant of the above Regeneration method is shown in FIG. This contains much the same components as the Embodiment of Figure 1; corresponding components are denoted by the same reference numerals plus 100 and will not be described again below.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)
  • Incineration Of Waste (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP00936836A 1999-06-10 2000-05-31 Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung Expired - Lifetime EP1190201B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19926428 1999-06-10
DE19926428A DE19926428C2 (de) 1999-06-10 1999-06-10 Verfahren zur thermischen Regeneration des Wärmetauschermaterials einer regenerativen Nachverbrennungsvorrichtung
PCT/EP2000/004955 WO2000077451A2 (de) 1999-06-10 2000-05-31 Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung

Publications (2)

Publication Number Publication Date
EP1190201A2 EP1190201A2 (de) 2002-03-27
EP1190201B1 true EP1190201B1 (de) 2005-05-11

Family

ID=7910767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00936836A Expired - Lifetime EP1190201B1 (de) 1999-06-10 2000-05-31 Verfahren zur thermischen regeneration des wärmetauschermaterials einer regenerativen nachverbrennungsvorrichtung

Country Status (7)

Country Link
US (1) US6589315B1 (cs)
EP (1) EP1190201B1 (cs)
AT (1) ATE295508T1 (cs)
CZ (1) CZ20014367A3 (cs)
DE (2) DE19926428C2 (cs)
PL (1) PL194143B1 (cs)
WO (1) WO2000077451A2 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE515710C2 (sv) * 2000-02-11 2001-10-01 Bjoern Heed Luftskåp vid en regenerativ förbränningsanordning
US7018447B2 (en) * 2004-04-05 2006-03-28 Dürr Systems, Inc. Method of cleaning a rotary concentrator

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870474B1 (en) * 1972-11-13 1991-04-02 Regenerative incinerator systems for waste gases
US4126419A (en) * 1974-04-02 1978-11-21 Keichi Katabuchi Combustion device for burning waste gases containing combustible and noxious matters
DE3439977A1 (de) 1984-11-02 1986-05-07 ANT Nachrichtentechnik GmbH, 7150 Backnang Digitalfilter mit beliebig einstellbarem frequenzgang
US5016547A (en) * 1990-05-04 1991-05-21 Salem Industries, Inc. Regenerative incinerator
US5460789A (en) * 1991-12-20 1995-10-24 Eisenmann Maschinenbau Kg Apparatus for purifying pollutant-containing outgoing air from industrial installations by regenerative afterburning
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
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 (en) * 1994-08-17 1997-05-14 Grace W R & Co Annular air distributor for thermal oxidation system with heat regeneration
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
US5871349A (en) * 1997-10-16 1999-02-16 Smith Engineering Company Rotary valve thermal oxidizer
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

Also Published As

Publication number Publication date
DE19926428C2 (de) 2001-05-03
DE50010293D1 (de) 2005-06-16
EP1190201A2 (de) 2002-03-27
US6589315B1 (en) 2003-07-08
ATE295508T1 (de) 2005-05-15
CZ20014367A3 (cs) 2002-06-12
PL352118A1 (en) 2003-07-28
DE19926428A1 (de) 2001-01-25
WO2000077451A3 (de) 2001-05-31
PL194143B1 (pl) 2007-04-30
WO2000077451A2 (de) 2000-12-21

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