WO2006129063A1 - Procedes et systemes pour la destruction amelioree de composes organiques volatils - Google Patents

Procedes et systemes pour la destruction amelioree de composes organiques volatils Download PDF

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Publication number
WO2006129063A1
WO2006129063A1 PCT/GB2006/001900 GB2006001900W WO2006129063A1 WO 2006129063 A1 WO2006129063 A1 WO 2006129063A1 GB 2006001900 W GB2006001900 W GB 2006001900W WO 2006129063 A1 WO2006129063 A1 WO 2006129063A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating
thermal oxidizer
systems
destruction
organic compounds
Prior art date
Application number
PCT/GB2006/001900
Other languages
English (en)
Inventor
Naiping Zhu
Louis Karambis
Original Assignee
Fosbel Intellectual Limited
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 Fosbel Intellectual Limited filed Critical Fosbel Intellectual Limited
Publication of WO2006129063A1 publication Critical patent/WO2006129063A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M2900/00—Special features of, or arrangements for combustion chambers
    • F23M2900/05004—Special materials for walls or lining

Definitions

  • the present invention relates generally to the incineration of industrial waste gases and, in one aspect, to methods and systems for the enhanced incineration of industrial waste gases containing volatile organic compounds (VOCs).
  • VOCs volatile organic compounds
  • VOCs volatile organic compounds
  • the most common technique currently in use to control VOC emissions is to incinerate the VOCs in a thermal oxidizer. See in this regard, U.S. Patent Nos. 5,832,713, 5,527,984 and 6,450,800, the entire content of each being expressly incorporated hereinto by reference.
  • the VOCs in the plant air system are typically collected and fed into a mixing chamber of a thermal oxidizer where they are mixed into burner flame zone. Thoroughly mixed stream will stay longer enough time in residence chamber to achieve higher conversation rate. Large combustion and residence chamber that incinerates the VOCs as well as the fuel thereby producing carbon dioxide and water vapor as the primary combustion products.
  • the incineration of the VOCs in a thermal oxidizer is not, however, entirely complete.
  • thermal oxidizers are typically classified as having a so-called "two-nine" or better destruction capability, meaning that at least 99.0% of the VOCs are incinerated,
  • the present invention is directed to methods and systems for enhanced destruction of industrial waste gases.
  • the present invention is directed to methods and systems whereby a high emissivity coating is applied to at least portions of the vessel walls of a direct fired incinerator, such as a thermal oxidizer, in order to enhance its incineration efficiencies, particularly for the incineration of VOCs.
  • a direct fired incinerator such as a thermal oxidizer
  • a high emissivity (high-E) coating material is applied to the interior walls of a heated process vessel so as to enhance its thermal characteristics.
  • the high- E coating material may be applied to one or both of the interior walls associated with the residence chamber or mixing/combustion chamber associated with a conventional thermal oxidizer.
  • the high-E coating material therefore allows the thermal oxidizer to achieve a higher degree of conversion and a higher VOC destruction rate.
  • the high-E coatings will have a higher surface temperature and a higher heat flux that will therefore result in more complete destruction of the VOCs.
  • a thermal oxidizer having a conventional two- nine (i.e., 99.0%) VOC destruction rating may have its capabilities increased to a three-nine (i.e., 99.9%) ⁇ /0C destruction rating.
  • industrial sites may improve substantially the VOC destruction capabilities without the significant added capitol costs associated with installation of thermal oxidizers having a greater initial VOC destruction rating.
  • the emissivity (E) of a material is meant to refer to a unitless number measured on a scale between zero (total energy reflection) and 1.0 (a perfect “black body” capable of total energy absorption and re-radiation).
  • a relatively high emissivity (high-E) is meant to refer to coating materials having an emissivity of greater than about 0.70 to about 0.99, and usually between about 0.90 to about 0.99.
  • any commercially available high-E coating material may be employed satisfactorily in the practice of the present invention.
  • the CERAKTM ceramic coating materials commercially available from Cetek Ltd. of Berea, Ohio may be employed, with CERAKTM R371 , R360 and R370 each having an emissivity of about 0.92 at 2000 0 F being especially preferred.
  • Coating thicknesses on the process vessel walls are not critical but will vary in dependence upon the desired resulting thermal flux and/or the particular material forming the coating. Thus, coating thicknesses of from about 1 to about 60 mils may be appropriate for a given process vessel application, with coating densities typically being greater than about 65%, more specifically 80% or greater.
  • the high-E coating material may be applied to process vessel walls in any conventional manner during thermal oxidizer shutdown.
  • the high- E coating material may be applied to the process vessel walls via any pressurized spray system while the process vessel is off-line (i.e., is not at its operational temperatures).

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Incineration Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un dispositif d'oxydation thermique comprenant une chambre de mélange/combustion et une chambre de séjour. Ce dispositif se caractérise en ce que les parois intérieures de la chambre de mélange/combustion et/ou de la chambre de séjour sont garnies d'un revêtement à haute émissivité.
PCT/GB2006/001900 2005-06-02 2006-05-22 Procedes et systemes pour la destruction amelioree de composes organiques volatils WO2006129063A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68642805P 2005-06-02 2005-06-02
US60/686428 2005-06-02

Publications (1)

Publication Number Publication Date
WO2006129063A1 true WO2006129063A1 (fr) 2006-12-07

Family

ID=36699218

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/001900 WO2006129063A1 (fr) 2005-06-02 2006-05-22 Procedes et systemes pour la destruction amelioree de composes organiques volatils

Country Status (3)

Country Link
US (1) US20070012233A1 (fr)
AR (1) AR053511A1 (fr)
WO (1) WO2006129063A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007091011A1 (fr) * 2006-02-09 2007-08-16 Fosbel Intellectual Limited Carreaux refractaires de bruleur possedant une emissivite optimisee et appareil de combustion associe
CN106442856A (zh) * 2016-10-13 2017-02-22 福建农林大学 一种模拟野外生物质燃烧的停留室装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9440869B2 (en) 2005-09-30 2016-09-13 Abs Materials, Inc. Sol-gel derived compositions
EP1979677B1 (fr) * 2006-01-27 2012-10-10 Fosbel Intellectual Limited Amelioration de la longevite et de la performance de nez de torche
US20110212010A1 (en) * 2009-09-02 2011-09-01 Despatch Industries Limited Partnership Apparatus and Method for Thermal Destruction of Volatile Organic Compounds
US8779208B2 (en) 2012-05-18 2014-07-15 Eastman Chemical Company Process for reducing emissions of volatile organic compounds from the ketonization of carboxylic acids

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195608A (en) * 1963-04-08 1965-07-20 Coen Co Volatile waste incinerator
US3933420A (en) * 1974-08-19 1976-01-20 Zink John S Vertically fired burner for waste combustible gases
US4828481A (en) * 1987-10-05 1989-05-09 Institute Of Gas Technology Process and apparatus for high temperature combustion

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6183707B1 (en) * 1992-06-08 2001-02-06 Biothermica International Inc. Incineration of waste gases containing contaminant aerosols
US5527984A (en) * 1993-04-29 1996-06-18 The Dow Chemical Company Waste gas incineration
US5673553A (en) * 1995-10-03 1997-10-07 Alliedsignal Inc. Apparatus for the destruction of volatile organic compounds
CN1096893C (zh) * 1995-12-14 2002-12-25 火成作用公司 轻型紧凑的垃圾处理炉
US5668072A (en) * 1996-05-09 1997-09-16 Equity Enterprises High emissivity coating
US6450800B1 (en) * 2000-04-05 2002-09-17 Megtec Systems Inc. Regenerative thermal oxidizer incorporating a venturi style burner
TW493056B (en) * 2001-10-16 2002-07-01 Su Jia Ching Processing system for exhaust containing volatile organic compounds

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195608A (en) * 1963-04-08 1965-07-20 Coen Co Volatile waste incinerator
US3933420A (en) * 1974-08-19 1976-01-20 Zink John S Vertically fired burner for waste combustible gases
US4828481A (en) * 1987-10-05 1989-05-09 Institute Of Gas Technology Process and apparatus for high temperature combustion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007091011A1 (fr) * 2006-02-09 2007-08-16 Fosbel Intellectual Limited Carreaux refractaires de bruleur possedant une emissivite optimisee et appareil de combustion associe
CN106442856A (zh) * 2016-10-13 2017-02-22 福建农林大学 一种模拟野外生物质燃烧的停留室装置

Also Published As

Publication number Publication date
AR053511A1 (es) 2007-05-09
US20070012233A1 (en) 2007-01-18

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