WO2001061247A1 - Systeme automatise a grande echelle destine a la destruction de polluants aeriens provenant de stations de traitement d'eaux usees - Google Patents

Systeme automatise a grande echelle destine a la destruction de polluants aeriens provenant de stations de traitement d'eaux usees Download PDF

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Publication number
WO2001061247A1
WO2001061247A1 PCT/GR2001/000010 GR0100010W WO0161247A1 WO 2001061247 A1 WO2001061247 A1 WO 2001061247A1 GR 0100010 W GR0100010 W GR 0100010W WO 0161247 A1 WO0161247 A1 WO 0161247A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
collector
incinerator
gases
flame
Prior art date
Application number
PCT/GR2001/000010
Other languages
English (en)
Inventor
Nicholas P. Pittas
Original Assignee
Pittas Nicholas P
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
Priority claimed from GR20000100045A external-priority patent/GR1003543B/el
Priority claimed from GR20000100358A external-priority patent/GR1003829B/el
Application filed by Pittas Nicholas P filed Critical Pittas Nicholas P
Priority to AU2001232142A priority Critical patent/AU2001232142A1/en
Priority to EP01904231A priority patent/EP1409924B1/fr
Publication of WO2001061247A1 publication Critical patent/WO2001061247A1/fr

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets

Definitions

  • the proposed system is a full-scale automated system for the destruction of air pollutants originating from wastewater treatment plants.
  • the system consists of one or more ventilators, depending on the application system (with or no recycling), a gas collector with convex surface-usually dome, tubes, compressor, sensors, specially modified incinerator, chimney, flow rate of LPG or another fuel.
  • the biomass consumes about 1 kg O 2 /m 3 waste. As a result it requires a sufficient quantity of air for biomass growth and compound degaradion.
  • the air (oxygen) enters the tank, partly through the bottom, via a compressor with a system of thin tubes and partly from the surface due to armospheric oxygen. Brush aerators will be used in order to transfer atmospheric oxygen to the waste.
  • a ventilator which absorbs the mal-odorous gases and routes them to the incinerator (with a pressure sensor in the dome) through tubes with two one-direction safety valves.
  • the mixture of air and mal-odorous gases is originated from the waste degradation, the compressor air bubbles and the inlet fresh air from vent-holes (one direction from outlet to inlet) on the base of dome external perimeter.
  • the gas collector with convex surface is fitted air-tightly on the wastewater treatment tanks, in order to avoid gas leakage. It is manufactured by a light but resistant material.
  • the automated system of polluted gases purification includes the following units: 1 ) A gas collector with convex surface, by light and resistant material, which is suited tightly on the wastewater treatment tanks
  • Tubes which route the exhaust gases from the exhauster outlet to the specially modified incinerator, founded with one direction valves, sensors etc, as well as a tube from the dome outlet to the compressor inlet if recycling is implemented.
  • a specially modified incinerator LPG fuel enters the flame of the incinerator in order to achieve the combustion of the mal-odorous gases.
  • the gases have passed through a heat exchanger (Labyrinth) for preheating, in order to achieve reduction of required combustion gas, LPG or natural gas or coal oil.
  • the incinerator and boiler consist of: a)"Labyrinth" The mal-odorous gases pass in counter-flow direction and are preheated. They also maintain the outer surface of the incinerator at low temperature. b)"Turbulent mixer” It enhances the turbulence and, as a result, the gas mixing. In this way, more effective gas incineration is achieved. c)"Flame splitter” A non-aerodynamic cone that makes the flame flow in a turbulent way and operates as if tearing the flame in order to make it spread in a longer radial. d) "Catalyst" A catalyst could be optionally used to achieve better temperature conditions. This, however, would raise the cost of the project.
  • Heaters which are the necessary stabilizers of the relative humidity in the inner curved surface to prevent problems in the operation of the gas exhauster or the ventilator
  • the whole construction is to be equipped with sensors and fully automated.
  • the construction is very economical and necessary for the protection of the environment and the maintenance of the ecological balance, with the benefits from the production of the thermal energy.
  • FIG. 1 Collector Figure 2 Collector + Gas Exhauster Figure 3 Collector + Gas Exhauster + one-direction Valves Figure 4 Collector + Gas Exhauster + Ventilator + one-direction Valves + Compressor and the suitable tubing if recycling is implemented Figure 5 : Collector + Gas Exhauster + Ventilator + 95 one-direction Valves + Compressor and the suitable tubing if recycling is implemented + tubing from the dome outlet to the incinerator Figure 6 : Collector + Gas Exhauster + Ventilator + one-direction Valves + Compressor 100 and the suitable tubing if recycling is implemented + tubing from the dome outlet to the incinerator + Incinerator and Boiler Figure 7 : Collector + Gas Exhauster + Ventilator + one-direction Valves + Compressor 105 and the suitable tubing if recycling is implemented + tubing from the dome outlet to the incinerator + Incinerator and Boiler + Fuel tank + Chimney
  • the Figure 8 shows the incinerator and boiler parts: Figure 8.
  • A Labyr
  • composition of air pollutants from these wastewater treatments plants typically 120 include:
  • the dome (a convex surface which is fitted air-tightly on the wastewater treatment tanks) will be constructed out of iron sheet 6 mm, in order to avoid leakage due to the welding of the iron sheets.
  • the biomass consumes 1 kg O /m waste and about 670 'm air/day (28 m /h) are required. Based on this consideration, a dimensioning of the construction will be
  • the required quantity of air is the sum of 280m" Pa and the air of 150 compressor (m 3 /h) that is necessary for biomass oxygenation.
  • the air (oxygen) will be bubbled with a system of thin tubes at the bottom of the plant.
  • the dimensioning of the incinerator will be based on the gas-mixture velocity 155 (mal-odorous gases + LPG) from the turbulent mixer in order to avoid flame extinction.
  • a catalyst could be used to achieve conversion at lower temperatures.
  • the system will include portable analytical equipment for monitoring of all 160 the polluting gases and and the flow rate of the LPG can be regulated in order to achieve almost perfect combustion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Incineration Of Waste (AREA)
  • Treating Waste Gases (AREA)

Abstract

L'invention concerne un système automatisé à grande échelle, destiné à la destruction de polluants aériens provenant de stations de traitement d'eaux usées, comprenant un collecteur de gaz à surface convexe, un extracteur électrique et automatique de gaz au sommet du collecteur, un ventilateur ou des vannes unidirectionnelles, à passage de l'extérieur vers l'intérieur du dôme collecteur de gaz et situées à la base de sa périphérie, et des conduits qui mènent le gaz à l'incinérateur spécialement modifié, dans lequel les émissions gazeuses sont brûlées à l'aide d'un gaz-combustible (habituellement du gaz naturel), avec production simultanée limitée d'énergie thermique.
PCT/GR2001/000010 2000-02-15 2001-02-15 Systeme automatise a grande echelle destine a la destruction de polluants aeriens provenant de stations de traitement d'eaux usees WO2001061247A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2001232142A AU2001232142A1 (en) 2000-02-15 2001-02-15 A full-scale automated system for the destruction of air pollutants originating from wastewater treatment plants
EP01904231A EP1409924B1 (fr) 2000-02-15 2001-02-15 Systeme automatise a grande echelle destine a la destruction de polluants aeriens provenant de stations de traitement d'eaux usees

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GR20000100045 2000-02-15
GR20000100045A GR1003543B (el) 2000-02-15 2000-02-15 Αυτοματο βιομηχανικο συστημα απορροφησης ρυπογονων αεριων βιολογικου σταθμου λυμματων
GR20000100358A GR1003829B (el) 2000-10-19 2000-10-19 Αυτοματο βιομηχανικο συστημα απορροφησης ρυπογονων αεριων βιολογικου σταθμου λυμματων
GR20000100358 2000-10-19

Publications (1)

Publication Number Publication Date
WO2001061247A1 true WO2001061247A1 (fr) 2001-08-23

Family

ID=26316691

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GR2001/000010 WO2001061247A1 (fr) 2000-02-15 2001-02-15 Systeme automatise a grande echelle destine a la destruction de polluants aeriens provenant de stations de traitement d'eaux usees

Country Status (6)

Country Link
EP (1) EP1409924B1 (fr)
AU (1) AU2001232142A1 (fr)
CY (1) CY1106953T1 (fr)
ES (1) ES2291292T3 (fr)
PT (1) PT1409924E (fr)
WO (1) WO2001061247A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1349123A (en) * 1972-09-01 1974-03-27 Olesen L F Smoke control apparatus
FR2366517A1 (fr) * 1976-09-29 1978-04-28 Kleinewefers Ind Co Gmbh Procede et appareil pour l'epuration des effluents gazeux
US4311593A (en) * 1980-09-15 1982-01-19 Bacardi Corporation Process for treatment of waste water
US4486310A (en) * 1983-03-07 1984-12-04 Thornton Marvin L Wastewater trickling filter air recirculation process
JPS63186920A (ja) * 1987-01-29 1988-08-02 Ookura Sangyo Kk 発電装置
DE3738141A1 (de) * 1987-11-10 1989-05-24 Hermann Morawetz Brenner, insbesondere gasbrenner
JPH02302510A (ja) * 1989-05-18 1990-12-14 Nakano Tomio バキュームカー用吸引装置の脱臭器
WO1994014008A1 (fr) * 1992-12-17 1994-06-23 Thermatrix Inc. Procede et appareil pour la limitation des emissions fugitives de composes organiques volatils

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1349123A (en) * 1972-09-01 1974-03-27 Olesen L F Smoke control apparatus
FR2366517A1 (fr) * 1976-09-29 1978-04-28 Kleinewefers Ind Co Gmbh Procede et appareil pour l'epuration des effluents gazeux
US4311593A (en) * 1980-09-15 1982-01-19 Bacardi Corporation Process for treatment of waste water
US4486310A (en) * 1983-03-07 1984-12-04 Thornton Marvin L Wastewater trickling filter air recirculation process
JPS63186920A (ja) * 1987-01-29 1988-08-02 Ookura Sangyo Kk 発電装置
DE3738141A1 (de) * 1987-11-10 1989-05-24 Hermann Morawetz Brenner, insbesondere gasbrenner
JPH02302510A (ja) * 1989-05-18 1990-12-14 Nakano Tomio バキュームカー用吸引装置の脱臭器
WO1994014008A1 (fr) * 1992-12-17 1994-06-23 Thermatrix Inc. Procede et appareil pour la limitation des emissions fugitives de composes organiques volatils

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 459 (M - 770) 2 December 1988 (1988-12-02) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 081 (M - 1086) 25 February 1991 (1991-02-25) *

Also Published As

Publication number Publication date
CY1106953T1 (el) 2012-09-26
AU2001232142A1 (en) 2001-08-27
ES2291292T3 (es) 2008-03-01
PT1409924E (pt) 2007-12-07
EP1409924A1 (fr) 2004-04-21
EP1409924B1 (fr) 2007-08-29

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