EP1296779B1 - Method for continuously cleaning and removing grease from kitchen extraction circuits and for neutralising odours at the outlet of exhaust ducts and corresponding apparatus - Google Patents

Method for continuously cleaning and removing grease from kitchen extraction circuits and for neutralising odours at the outlet of exhaust ducts and corresponding apparatus Download PDF

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Publication number
EP1296779B1
EP1296779B1 EP00922728A EP00922728A EP1296779B1 EP 1296779 B1 EP1296779 B1 EP 1296779B1 EP 00922728 A EP00922728 A EP 00922728A EP 00922728 A EP00922728 A EP 00922728A EP 1296779 B1 EP1296779 B1 EP 1296779B1
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Prior art keywords
water
products
ducts
nozzles
pump
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EP00922728A
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German (de)
French (fr)
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EP1296779A1 (en
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Gabriel Sylvestre
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0327—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid the fluid being in the form of a mist

Definitions

  • the device according to the invention consists in creating an extremely fine water mist to which is mixed, in varying proportions, a product or products containing mainly bacteria and enzymes selected for biodegradation and digestion of fats and organic matter, thus preserving the continual cleanliness of ducts and ducts while contributing to the elimination of odors by avoiding deposits of grease inside these ducts, ducts, and any other places likely to be dirty (extraction engines etc); essential oils and natural essences for neutralize odors as well as any other product that can contribute to the improvement of health or hygiene.
  • the process will also allow the dispersion of products beneficial to health and hygiene in indoor ventilation systems.
  • the development of the products of the biotechnology ensures a constant evolution in the ability to adapt our selection to the specificities of the problems to be treated.

Abstract

The invention concerns a device for continuously cleaning and removing grease from kitchen extraction and ventilation circuits and any conduit likely to be clogged with organic deposits through cooking or industrial processes, and for neutralising odours at the outlet of exhaust ducts by generating an extremely fine mist consisting of water and specific selected products (a combination of essential oils, volatile oils (8)) in active form to be dispersed homogeneously in the conduits and ducts. The invention also concerns a water treatment device (1) acting on carbonates, a feed pump (2) for product (8) and treated water, a high pressure pump (3), a heating discharge (7) of high pressure hoses (4), adapted nozzles (5), a control unit (6).

Description

La présente invention concerne un dispositif pour nettoyer et dégraisser en continu, sans intervention manuelle, les circuits et gaines de ventilation et d'extraction d'air vicié par la cuisson puis aspiré à partir des hottes de cuisines, ainsi que tous conduits ou gaines susceptibles d'être encrassés par des matières organiques. Elle permet aussi de neutraliser les odeurs en sortie extérieure (ou intérieure) des gaines d'extraction et de ventilation de cuisine ou de toute autre sortie d'air ou de corps gazeux malodorants.The present invention relates to a device for cleaning and degreasing continuously, without manual intervention, the circuits and ducts of ventilation and extraction of stale air by cooking then sucked from kitchen hoods, as well as all ducts or ducts likely to be fouled with organic matter. It also helps neutralize odors at the outer (or inner) outlet of the extraction and ventilation ducts kitchen or any other air outlet or smelly gaseous body.

Le dispositif selon l'invention consiste à créer un brouillard d'eau extrêmement fin auquel est mélangé, dans des proportions variables, un produit ou des produits contenant principalement des bactéries et enzymes sélectionnées pour la biodégradation et la digestion des graisses et matières organiques, préservant ainsi la propreté continuelle des gaines et conduits tout en contribuant à l'élimination des odeurs en évitant les dépôts de graisses à l'intérieur de ces conduits, gaines, et tous autres endroits susceptibles d'être encrassés (moteurs d'extraction etc) ; des huiles essentielles et essences naturelles pour neutraliser les odeurs ainsi que tout autre produit pouvant contribuer à l'amélioration de la santé ou de l'hygiène.The device according to the invention consists in creating an extremely fine water mist to which is mixed, in varying proportions, a product or products containing mainly bacteria and enzymes selected for biodegradation and digestion of fats and organic matter, thus preserving the continual cleanliness of ducts and ducts while contributing to the elimination of odors by avoiding deposits of grease inside these ducts, ducts, and any other places likely to be dirty (extraction engines etc); essential oils and natural essences for neutralize odors as well as any other product that can contribute to the improvement of health or hygiene.

Les techniques actuelles utilisées pour dégraisser et nettoyer l'intérieur des gaines d'extraction et de ventilation de cuisson sont essentiellement manuelles ou mécaniques. Elles sont extrêmement lourdes, onéreuses et incommodes car elles nécessitent un arrêt du fonctionnement de la cuisine ou des autres fonctions industrielles pendant le temps nécessaire à ces nettoyages. Un tel dispositif est exposé dans DE-A-19626898.Current techniques used to degrease and clean the inside of ducts Baking extraction and ventilation are essentially manual or mechanical. They are extremely heavy, expensive and inconvenient because they require a stop the operation of the kitchen or other industrial functions during the time necessary for these cleanings. Such a device is disclosed in DE-A-19626898.

La configuration des gaines, leur cheminement dans des endroits très souvent inaccessibles et pouvant avoir des longueurs importantes font qu'il est pratiquement impossible de les nettoyer, autant qu'il est presque toujours aussi impossible de faire quelques vérifications, tant pour évaluer l'encrassement que pour vérifier l'action du nettoyage traditionnel.The configuration of the ducts, their path in places very often inaccessible and can have significant lengths make it virtually impossible to clean them, as much as it is almost always impossible to do some checks, both to assess the fouling and to check the action of the traditional cleaning.

La possibilité de le faire par robots téléguidés à l'intérieur des gaines avec télévision, dispositifs de nettoyage et de chenilles pour avancer à l'intérieur de gaines encrassées, est à l'étude, les prototypes atteignant des prix d'utilisations qui sont totalement impossibles à considérer en exploitation commerciale.The possibility to do it by remote controlled robots inside the ducts with television, cleaning devices and caterpillars for advancing inside clogged ducts, is under study, the prototypes reaching prices of uses that are totally impossible to consider in commercial operation.

Les techniques actuelles utilisées pour l'élimination des odeurs sont aussi lourdes, onéreuses, incommodes, encombrantes, parfois dangereuses à mettre en oeuvre et à exploiter (charbons actifs, ozone, lavage d'air, pyrolyse...).
L'invention a pour objet de remédier à ces inconvénients pour la sécurité pour l'environnement et l'hygiène, tant à l'intérieur que pour le voisinage. Elle se caractérise par différentes technologies associées :

  • création d'une machine qui a pour fonction de mélanger l'eau et les produits en dosages déterminés, de mettre ce mélange en haute pression tout en le chauffant, de diffuser le mélange sous forme de brouillard, souvent le plus fin possible à l'intérieur des gaines d'extraction, ou de grosseurs différentes suivant les spécificités de l'opération à réaliser.
  • traitement de l'eau en agissant sur les cristaux de carbonate de calcium et de magnésium, les micro- organismes, les différents minéraux contenus dans l'eau afin que le contact au niveau moléculaire du produit et de l'eau transformés en brouillard extrêmement fin soit accéléré et se fasse le plus rapidement possible en étant véhiculé et réparti de manière homogène sur toute la longueur des gaines et surfaces à traiter.
  • sélection de produits biologiques émulsifiants et/ou biodégradants ainsi que d'huiles essentielles, essences naturelles, produits aseptisant et autres ayant des effets bénéfiques pour la neutralisation des odeurs, la santé, l'hygiène et diverses autres applications.
Current techniques used to eliminate odors are also heavy, expensive, inconvenient, cumbersome, sometimes dangerous to implement and exploit (activated carbon, ozone, air wash, pyrolysis ...).
The object of the invention is to remedy these disadvantages for the safety of the environment and hygiene, both inside and for the neighborhood. It is characterized by different associated technologies:
  • creation of a machine whose function is to mix the water and the products in determined dosages, to put this mixture in high pressure while heating it, to diffuse the mixture in the form of fog, often the finest possible to the inside of the extraction ducts, or of different sizes according to the specificities of the operation to be carried out.
  • water treatment by acting on the crystals of calcium carbonate and magnesium, microorganisms, the various minerals contained in the water so that the contact at the molecular level of the product and water transformed into extremely fine fog is accelerated and is done as quickly as possible by being conveyed and distributed homogeneously over the entire length of the ducts and surfaces to be treated.
  • selection of emulsifying and / or biodegradable biological products as well as essential oils, natural essences, sanitizing and other products having beneficial effects for the neutralization of odors, health, hygiene and various other applications.

Les schémas de principe ci-joints illustrent l'invention avec références aux différents principes énumérés ci-dessus.
Figure 1 - Avec réservoir d'alimentation en mélange.
Figure 2 - Sans réservoir d'alimentation en mélange.The attached block diagrams illustrate the invention with reference to the various principles enumerated above.
Figure 1 - With mixing feed tank.
Figure 2 - Without mixing feed tank.

La machine (figure 1/2) est composée de dispositifs de mélange de l'eau du réseau urbain avec le produit sélectionné mélangé dans un réservoir (9) par des pompes doseuses (2) proportionnelles, péristaltiques ou par système venturi. Leur nombre va varier suivant la spécificité de l'endroit à traiter (de 1 à 3 en général) une variante de la machine (figure 2/2) est de réaliser le mélange directement dans l'arrivée du tuyau d'eau qui alimente directement la pompe haute pression (sans réservoir).La pompe (3) ainsi alimentée va mettre le mélange en pression (entre 25 et 100 bars suivant les besoins spécifiques) et le véhiculer par l'intermédiaire de flexibles haute pression (4) sur une buse ou plusieurs buses spéciales (5) qui vont être adaptées aux besoins spécifiques de l'installation à traiter et vont varier par leur nombre, leur débit/horaire (aussi fonction de la pression utilisée), et la grosseur des gouttelettes produites (de 2 à 15 microns jusqu'à 50 -100 microns). La mise en pression de l'eau va élever sa température, favorisant l'éveil des bactéries du fait de l'utilisation par les buses (5) d'un débit moindre que celui refoulé par la pompe (3) et qui se fera par recyclage de l'eau non utilisée dans le réservoir en maintenant le mélange à la température d'éveil des bactéries.The machine (figure 1/2) is composed of mixing devices of the water of the network with the selected product mixed in a tank (9) by metering pumps (2) proportional, peristaltic or by venturi system. Their number will vary according to the specificity of the place to be treated (from 1 to 3 in general) a variant of the machine (figure 2/2) is to make the mixture directly in the arrival of the water hose which directly feeds the high pressure pump (without tank) .The pump (3) and fed will put the mixture under pressure (between 25 and 100 bar depending on the needs specific) and convey it by means of high-pressure hoses (4) on a nozzle or several special nozzles (5) which will be adapted to the specific needs of the installation to be treated and will vary by their number, their flow / time (also function of the pressure used), and the size of the droplets produced (from 2 to 15 microns to 50 -100 microns). Pressurizing the water will raise its temperature, favoring the awakening of the bacteria due to the use by the nozzles (5) of a flow less than that discharged by the pump (3) and which will be done by recycling the unused water in the tank by keeping the mixture at the waking temperature of the bacteria.

Les flexibles haute pression (4) vont permettre les chemins les plus sinueux, sans limite de distance permettant de positionner à l'endroit le plus adapté les buses (5) dont le nombre et le choix sera déterminé par la puissance, le volume d'extraction, le cheminement et la longueur des gaines. Une unité de commande programmable (6) permet, par un système d'électrovannes et de temporisation contenant plusieurs circuits, toutes les possibilités de réglages :

  • Pourcentage de dilution du produit dans l'eau en commandant la, ou les pompes doseuses.
  • Horloges 7 jours sur 7, 24 h sur 24 permettent de programmer le fonctionnement de la machine et de ses différents circuits aux horaires sélectionnés.
  • Adaptation du fonctionnement des circuits d'alimentation des buses (5) suivant les périodes où le procédé a besoin de plus de puissance.
The high pressure hoses (4) will allow the most sinuous paths, without limit of distance to position at the most suitable place the nozzles (5) whose number and choice will be determined by the power, the volume of extraction, routing and length of ducts. A programmable control unit (6) allows, by a system of solenoid valves and timer containing several circuits, all the possibilities of adjustments:
  • Percent dilution of product in water by controlling the metering pump (s).
  • Clocks 7 days out of 7, 24 hours a day make it possible to program the operation of the machine and its various circuits at the selected times.
  • Adaptation of the operation of the nozzle supply circuits (5) according to the periods when the process needs more power.

Tous ces éléments sont enfermés dans une armoire de protection et de sécurité.All these elements are enclosed in a protection and security cabinet.

Le dispositif de traitement de l'eau (1) d'alimentation a pour but d'obtenir une eau favorable au contact des composants actifs du produit à l'eau, à la transformation du mélange en brouillard, puis de répartir de manière homogène ces mêmes composants actifs aux graisses et autres matières organiques tout le long des gaines ainsi qu'à l'air vicié. Pour cela nous utiliserons un procédé qui va agir sur les carbonates de calcium ou de magnésium contenus dans l'eau, en réalisant des formes calciques subnaniques par sursaturation d'ions calciques. Ces formes vont réaliser un substrat de cristaux expansés type flocon très nombreux et très légers de forme octogonales servant de base pour véhiculer efficacement les éléments neutralisateurs, les bactéries et enzymes, en augmentant les surfaces de contact. Cela équivaut à retarder la vitesse de propagation de la vapeur d'eau véhiculée par l'extraction d'air contenant les produits actifs et leur donner plus de temps de contact avec l'air et les matières à traiter. Ce phénomène est amplifié par la diminution de la densité des corps donnant encore plus de possibilités de contact tant dans l'air véhiculé et tourbillonnant que pour se répartir sur les surfaces intérieures des gaines. Cela est obtenu en faisant passer l'eau dans des cartouches contenant 2 matériaux de signes opposés créant un champ électro-magnétique (fer et manganèse catalysés). The purpose of the water treatment device (1) is to obtain water favorable to the contact of the active components of the product with water, the transformation of the mix in fog, then evenly distribute these same components active to grease and other organic matter all along ducts as well as to air flawed. For this we will use a process that will act on calcium carbonates or of magnesium in the water, by producing subnanic calcium forms supersaturation of calcium ions. These forms will achieve an expanded crystal substrate flake type very numerous and very light octagonal shape serving as a basis for effectively convey the neutralizing elements, bacteria and enzymes, increasing the contact surfaces. This is equivalent to delaying the speed of propagation of the water vapor conveyed by the extraction of air containing the active products and their give more contact time with the air and the materials to be treated. This phenomenon is amplified by decreasing the density of bodies giving even more possibilities of contact both in the air conveyed and swirling that to be distributed on the surfaces inner sheaths. This is achieved by passing the water through cartridges containing 2 materials of opposite signs creating an electromagnetic field (iron and catalyzed manganese).

La sélection des produits actifs biologiques, des huiles essentielles, essences naturelles (ou autres suivant applications demandées) se fait pour leurs capacités de biodégradation des graisses, de digestion des graisses et matières organiques, de neutralisation des odeurs, d'aseptisation du milieu par effet naturel (huiles essentielles)The selection of biological active products, essential oils, essences natural (or other according to applications requested) is done for their ability to biodegradation of fats, digestion of fats and organic matter, neutralization of odors, aseptic of the medium by natural effect (essential oils)

Le procédé permettra aussi la dispersion de produits bénéfiques pour la santé et l'hygiène dans les circuits de ventilation intérieurs. Le développement des produits de la biotechnologie nous assure une évolution constante dans la possibilité d'adapter notre sélection aux spécificités des problèmes à traiter.The process will also allow the dispersion of products beneficial to health and hygiene in indoor ventilation systems. The development of the products of the biotechnology ensures a constant evolution in the ability to adapt our selection to the specificities of the problems to be treated.

Claims (10)

  1. A completely automatic device for the continuous degreasing and cleaning of kitchen ventilation and extraction pipes and all other pipes or ducts which are likely to be soiled by grease or other organic materials, and for controlling odours of polluted air or of any other malodorous, gaseous body at the external outlet of kitchen extraction systems, characterised by an assembly containing water treatment means (1), a metering pump (2) which enables water to be mixed with a product containing bacteria and enzymes which are capable of biodegrading and digesting grease and organic materials, and means of application of essential oils and natural essences (8) having the property of neutralising odours in the form of an aerosol, and a high pressure pump (3) which conveys the product via special nozzles (5) to the interior of extraction ducts, the whole being automatically controlled by dwell time clocks and solenoid valves (6) which result in the creation of an aqueous aerosol comprising very fine droplets, of 2-15 microns, which convey the active products mixed with water and ensure the contact thereof with the entire lengths of ducts and other parts which are likely to be contaminated, the extracted air being completely impregnated with the aerosol and consequently with said products.
  2. A method of using the device according to claim 1, characterised in that the inlet water with which the products are mixed is specially treated in a device (1) which acts on carbonates contained in the water, constantly transforming them into sub-nanometre calcareous forms whilst reducing the volume thereof, thus increasing the contact and impregnation surface area of the products used, favouring the interaction thereof and thus considerably increasing their efficacy. This is effected by passing the water into cartridges containing two materials of opposite signs which create an electromagnetic field (catalysed iron and manganese).
  3. A method of using the device according to claim 2, characterised by an additional return device from the pump to the reservoir (9) for heating the water (7) using the heat created by the pressurisation of water in an amount greater than that removed by the nozzles in the form of an aerosol, thus permitting the activation of bacteria prior to the dispersion thereof in the extraction and/or ventilation ducts.
  4. A method of using the device according to claims 2 and 3, characterised by the use of a device comprising metering pumps (2) which are automatically controlled by solenoid valves (6) which are themselves controlled by dwell time clocks (6) which enable the percentage dilution of the products in water to be adjusted in order to increase or decrease the capacity of the system according to the amount of product in the water and to effect controlled adaptation of the times of operation to the hours when the production of grease or other organic materials is at its highest.
  5. A method of using the device according to claims 2, 3 and 4, characterised by the use of high pressure hoses (4) which permit the most meandering progressions and which enable nozzles (5) to be positioned at the most appropriate places irrespective of distance and with practically no loss of output, the capacity of the pump being greater than the flow rate used.
  6. A method of using the device according to claims 2, 3, 4, 5, characterised by the use of nozzles (5) which enable control to be effected depending on the number of nozzles installed, on the dimensions of the droplets and on the flow rate from each nozzle according to the specificity of the location to be treated, by employing pressure variation also as an additional control.
  7. A method of using the device according to claims 2, 3, 4, 5, 6, characterised by the use of products (8) containing selected bacteria and enzymes which biodegrade and digest grease and all other organic materials.
  8. A method of using the device according to claims 2, 3, 4, 5, 6, 7, characterised by the use of products (8) composed of essential oils and natural essences which modify the olfactory nature of the unpleasant odour until it disappears, based on the principle of neutralisation.
  9. A method of using the device according to claims 2, 3, 4, 5, 6, 7 and 8 which enables said device to operate without a water supply reservoir (9), characterised by the input of mains water directly to the pump (3), metering (2) being effected directly at the water inlet pipe. Figure 2/2.
  10. Use of the device of Claim 1 or the method of claims 2 to 9, characterised by the use thereof in ventilation ducts of buildings, factories, offices, communities, hotels and hospitals for the application of specific products for sterilisation, hygiene or health or for the prevention of epidemics which are conveyed by an aqueous aerosol, the definition and resolution of which are adapted to the product to be dispersed.
EP00922728A 2000-04-25 2000-04-25 Method for continuously cleaning and removing grease from kitchen extraction circuits and for neutralising odours at the outlet of exhaust ducts and corresponding apparatus Expired - Lifetime EP1296779B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2000/001077 WO2001081020A1 (en) 2000-04-25 2000-04-25 Method for continuously cleaning and removing grease from kitchen extraction circuits and for neutralising odours at the outlet of exhaust ducts

Publications (2)

Publication Number Publication Date
EP1296779A1 EP1296779A1 (en) 2003-04-02
EP1296779B1 true EP1296779B1 (en) 2005-02-02

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EP00922728A Expired - Lifetime EP1296779B1 (en) 2000-04-25 2000-04-25 Method for continuously cleaning and removing grease from kitchen extraction circuits and for neutralising odours at the outlet of exhaust ducts and corresponding apparatus

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EP (1) EP1296779B1 (en)
AT (1) ATE288327T1 (en)
AU (1) AU2000243028A1 (en)
DE (1) DE60017950T2 (en)
ES (1) ES2237422T3 (en)
WO (1) WO2001081020A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195317A (en) * 2015-10-23 2015-12-30 北京东方中能科技有限公司 Lampblack treatment device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865419B1 (en) * 2004-01-22 2006-06-23 Gabriel Sylvestre METHOD FOR PERMANENTLY AUTOMATIC CLEANING AND DEGREASING INSITU OF HOOD FILTERS AND VICIE COOLING AIR EXTRACTION FILTER CEILINGS AND FILTER HOUSES AND CEILINGS
DE102006052256B4 (en) 2006-11-03 2018-09-27 Schott Ag Method and apparatus for cleaning tubes
DE102008048090B3 (en) * 2008-09-19 2010-02-04 Kornack-Cielewicz, Katja Duct system for kitchen exhaust
CN111486427B (en) * 2019-01-28 2022-06-21 华帝股份有限公司 Control method for steam generation stage in automatic cleaning process of range hood
SE544067C2 (en) 2019-06-26 2021-11-30 Bioteria Tech Ab Methods, system and device for controlling biological treatment processes and systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597012A1 (en) * 1986-04-10 1987-10-16 Tortochot Gerard DEVICE FOR CLEANING AND / OR DISINFECTING WASTE, VENTILATION OR SEWER CONDUITS
DE19626898A1 (en) * 1996-07-04 1998-01-08 Oilco Beteiligungsgesellschaft Appts. for cleaning e.g. fat-coated kitchen air exhaust duct

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195317A (en) * 2015-10-23 2015-12-30 北京东方中能科技有限公司 Lampblack treatment device
CN105195317B (en) * 2015-10-23 2017-03-22 北京东方中能科技有限公司 Lampblack treatment device

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Publication number Publication date
EP1296779A1 (en) 2003-04-02
ES2237422T3 (en) 2005-08-01
AU2000243028A1 (en) 2001-11-07
DE60017950T2 (en) 2006-01-12
WO2001081020A1 (en) 2001-11-01
DE60017950D1 (en) 2005-03-10
ATE288327T1 (en) 2005-02-15

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