EP3683505A1 - System zum dispergieren von chemischen mitteln in öfen - Google Patents

System zum dispergieren von chemischen mitteln in öfen Download PDF

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Publication number
EP3683505A1
EP3683505A1 EP19382029.7A EP19382029A EP3683505A1 EP 3683505 A1 EP3683505 A1 EP 3683505A1 EP 19382029 A EP19382029 A EP 19382029A EP 3683505 A1 EP3683505 A1 EP 3683505A1
Authority
EP
European Patent Office
Prior art keywords
water
chemical agent
oven
dispersing
chemical agents
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
Application number
EP19382029.7A
Other languages
English (en)
French (fr)
Other versions
EP3683505B1 (de
Inventor
Albert TORNÉ PICAPAL
Josep SANTALLUSIA CASTELLS
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.)
Immobles del Segria SL
Original Assignee
Immobles del Segria SL
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 Immobles del Segria SL filed Critical Immobles del Segria SL
Priority to EP19382029.7A priority Critical patent/EP3683505B1/de
Priority to ES19382029T priority patent/ES2950781T3/es
Publication of EP3683505A1 publication Critical patent/EP3683505A1/de
Application granted granted Critical
Publication of EP3683505B1 publication Critical patent/EP3683505B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C14/00Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
    • F24C14/005Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning using a cleaning liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/32Arrangements of ducts for hot gases, e.g. in or around baking ovens
    • F24C15/322Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
    • F24C15/327Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation with air moisturising

Definitions

  • the present invention relates to a system for dispersing chemical agents in ovens, in particular professional ovens for fine cuisine and hotels, using a chemical agent in a solid format without recirculation in the oven.
  • the self-cleaning system without recirculation is generally made up of one or more sprinklers of chemical agents in the upper portion of the cooking chamber.
  • the chemical agent sprayed is usually liquid, and it is carried to the area of the sprinkler by means of a pump.
  • the sprinkler sprays the entire cooking chamber, usually in a rotating manner. During this process, a convection fan is turned off in order to prevent the flow of the chemical agent from being deviated by the air flow.
  • the chemical agent is left to rest for a certain period of time under ideal temperature and moisture conditions in order for the desired effect to be produced.
  • the rinsing will be performed by means of a solenoid valve which injects tap water into the sprinkler or other sprinklers/sprayers distributed in the cooking chamber.
  • a reduced version of this cleaning system must be made up of, at least, the following electromechanical elements:
  • the self-cleaning system with recirculation it is usually made up of one or several outlet points of the liquid recirculated in the upper portion of the cooking chamber.
  • solid chemical agent is used, in tablet or powder form, which is deposited in the cooking chamber for the dissolving thereof.
  • liquid chemical agent can also be used. In that case, the liquid chemical agent is carried to the inside of the oven with an additional pump.
  • a solenoid valve is responsible for filling a collector, and once the chemical agent has been diluted with this water, a pump is responsible for carrying the mixture to the recirculation outlet, which is dispersed by mechanical elements, and distributed throughout all the area for cooking and for generating heat by means of the very convection fan of the oven.
  • This process of recirculating the mixture continues for a certain period of time under ideal temperature and moisture conditions for the desired effect to be produced.
  • a convection fan is generally operating in order to spread it throughout the cooking chamber and the heat-generating area.
  • the emptying of the collector is performed, and it is once again filled with tap water through a solenoid valve. Once this is done, the water is recirculated in order to rinse the oven. It is probable that the emptying and rinsing process must be repeated several times in order to ensure optimal rinsing.
  • a reduced version of this cleaning system must be made up of, at least, the following electromechanical elements:
  • an objective of the present invention is to provide a dispersion system for ovens that is cheaper than the current dispersion systems.
  • the dispersion system of the invention resolves the aforementioned drawbacks and has other advantages which are described below.
  • the system for dispersing chemical agents in ovens according to the present invention comprises:
  • said fan is a convection fan of the very oven.
  • said chemical agent for example, in the form of a tablet, is placed in at least one vessel, forming a collector.
  • said at least one vessel is placed substantially centred with respect to said fan.
  • said at least one vessel comprises upper openings for the inlet of water.
  • the first tube for injecting water comprises a deflector for diverting the water in order to reach all the heat-generating and cooking area of the oven, and an outlet hole located between the heat-generating area and the cooking area of the oven.
  • the cooking area of the oven comprises an opening located in the upper portion thereof which receives the air flow generated by said fan.
  • the present invention describes a system for dispersing chemical agents in a solid format without recirculation in an oven.
  • chemical agents can have different purposes, such as the cleaning of the oven, decalcification, polishing, anti-rust treatments, etc.
  • the chemical agent 1 for example, in tablet form, is placed in the centre of a convection fan 2 of the oven in one or several vessels 3, which are preferably inclined in order for the chemical agent 1 to fit therein and not come out due to vibrations or turbulence in the air.
  • a first tube for injecting water 4 also used for generating steam, which will be activated when it is necessary to dissolve the chemical agent 1.
  • this inclined vessel 3 is closed, such that it acts as a collector 5.
  • actuating a solenoid valve 15 the chemical agent 1 with water is sprayed through the first tube 4.
  • the water dilutes the chemical agent 1 in a controlled manner, the dilution staying in the bottom of the collector 5 defined by the vessel 3. As the chemical agent 1 becomes increasingly diluted, the mixture of water and the chemical agent 1 in the collector 5 overflows from a hole 6.
  • This liquid containing the mixture of the chemical agent 1 with water, is sucked through the convection fan 2, and distributed in all the cooking 7 and heat-generating 8 area of the oven.
  • the side portion 9 and the rear portion 10 of the vessel 3 must be such that they prevent the penetration of the chemical agent 1 without dissolving in the convection fan 2.
  • the rear portion 10 of the vessel 3 is solid or filled in (meaning without holes), except for the hole 6 through which the mixture overflows, since this prevents the dispersion of the water flow towards the convection fan 2 and facilitates the dissolution of the chemical agent 1.
  • the side portion 9 can have openings and the upper portion 17 can also have several openings 18 through which the first tube 4 sprays the chemical agent 1 inside the vessel 3 with water.
  • the chemical agent 1 is left to rest for a certain period of time under ideal temperature and moisture conditions in order for the desired effect to be produced on the heat-generating area 8 and the cooking area 7 of the oven.
  • the rinsing is performed by activating a rinsing solenoid valve 11 which injects tap water in the upper area of the oven through a second tube for injecting water 12, the hole 13 of which is in the boundary between the cooking area 7 and the heat-generating area 8 of the oven.
  • the air generated by the convection fan 2 is directed to the upper portion of the cooking area 7 through an opening 16 close to the outlet hole 13 for water and a deflector 14.
  • This air flow helps the water to be distributed throughout all the heat-generating 8 and cooking 7 area of the oven, performing the rinsing in an effective manner.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP19382029.7A 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln Active EP3683505B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19382029.7A EP3683505B1 (de) 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln
ES19382029T ES2950781T3 (es) 2019-01-17 2019-01-17 Horno que comprende un sistema de dispersión de agentes químicos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19382029.7A EP3683505B1 (de) 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln

Publications (2)

Publication Number Publication Date
EP3683505A1 true EP3683505A1 (de) 2020-07-22
EP3683505B1 EP3683505B1 (de) 2023-04-26

Family

ID=65686790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19382029.7A Active EP3683505B1 (de) 2019-01-17 2019-01-17 Ofen mit system zum dispergieren von chemischen mitteln

Country Status (2)

Country Link
EP (1) EP3683505B1 (de)
ES (1) ES2950781T3 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0801271A1 (de) * 1996-04-12 1997-10-15 Wiesheu-Wiwa GmbH Ofen und Verfahren zur Reinigung eines Ofenraums
EP0892220A1 (de) * 1997-07-17 1999-01-20 Wiesheu GmbH Ofen zur Wärmebehandlung von Lebensmitteln und Verfahren zum Reinigen des Innenraums
US20080223357A1 (en) * 2007-03-08 2008-09-18 Janus Bartelick Self-cleaning cooking appliance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1265578B1 (it) * 1993-11-04 1996-11-22 Zanussi Grandi Impianti Spa Forno di cottura dotato di dispositivi perfezionati di pulitura automatica
DE102004004393B3 (de) * 2004-01-29 2005-05-25 Rational Ag Gargerät, Luftleitglied, Haltevorrichtung und Verfahren zum Reinigen eines Gargeräts
CN203279755U (zh) * 2012-04-02 2013-11-13 康威瑟姆家电公司 用于清洁制备食品或饮料的腔室的清洁***

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0801271A1 (de) * 1996-04-12 1997-10-15 Wiesheu-Wiwa GmbH Ofen und Verfahren zur Reinigung eines Ofenraums
EP0892220A1 (de) * 1997-07-17 1999-01-20 Wiesheu GmbH Ofen zur Wärmebehandlung von Lebensmitteln und Verfahren zum Reinigen des Innenraums
US20080223357A1 (en) * 2007-03-08 2008-09-18 Janus Bartelick Self-cleaning cooking appliance

Also Published As

Publication number Publication date
ES2950781T3 (es) 2023-10-13
EP3683505B1 (de) 2023-04-26

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