[go: up one dir, main page]

WO2019101520A1 - Procédé, dispositif et produit-programme informatique de commande et/ou de régulation d'un système d'air de traitement - Google Patents

Procédé, dispositif et produit-programme informatique de commande et/ou de régulation d'un système d'air de traitement Download PDF

Info

Publication number
WO2019101520A1
WO2019101520A1 PCT/EP2018/080434 EP2018080434W WO2019101520A1 WO 2019101520 A1 WO2019101520 A1 WO 2019101520A1 EP 2018080434 W EP2018080434 W EP 2018080434W WO 2019101520 A1 WO2019101520 A1 WO 2019101520A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
temperature
control
drying
intermediate space
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.)
Ceased
Application number
PCT/EP2018/080434
Other languages
German (de)
English (en)
Inventor
Marco Popp
Dario Bianchini
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to DE112018005655.4T priority Critical patent/DE112018005655A5/de
Publication of WO2019101520A1 publication Critical patent/WO2019101520A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • D21F5/181—Drying webs by hot air on Yankee cylinder
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • D21F5/044—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices using air hoods over the cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0036—Paper-making control systems controlling the press or drying section

Definitions

  • the invention relates to a method for controlling and / or regulating a process air system of a dryer hood, in particular a machine-glazed (MG) smooth and / or Yankee cylinder, associated dryer hood of a machine for producing a fibrous web, in particular paper , Carton or tissue web, in which a wet part and a dry part of the dryer hood via a respective Zu Kunststoffstellelement a duct system supply air supplied and discharged from the wet part and the dry part via a respective Abluftstellelement the Kanal system exhaust air.
  • the invention further relates to a device for carrying out the method and to a computer program product for controlling and / or regulating a process air system
  • Paper production requires a relatively large amount of energy in the drying process. From an energetic point of view, air conditioning optimization is aimed at by keeping the energy used for drying as far as possible in the process. As a rule, heat recovery of the hood supply air takes place for heat recovery and, in particular in the case of Yankee hoods, also preheating of combustion air. In addition, heating the production halls with waste heat is the rule.
  • part of the circulating air has to be removed from the process air system of the drying hood of a tissue machine or of a MG smoothing and / or Yankee cylinder in order to keep the air humidity in the system at a constant level.
  • This can be done via a controlled supply of supplementary air and with gas-heated dry hoods combustion air.
  • the respective amounts of Extract air and supplementary air are provided via air dampers in the system
  • Air dampers usually have an electric or pneumatic actuator. Sensors installed on the dryer hood or in the gap between the Yankee cylinder and the dryer hood, e.g. Temperature and pressure sensors, etc., indicate whether the dryer hood blows hot air into the hall or draws cold air from the hall.
  • the aim is to balance the two halves of the bonnet with the highest possible hood exhaust air humidity, i. at neutral air pressure so that no hot process air escapes into the hall at the gap between the Yankee cylinder and the dry hood and no cold indoor air is sucked into the dryer hood.
  • the invention has for its object to provide a method and an apparatus of the type mentioned in which guaranteed in terms of energetically optimal operation of the dryer hood automatic control of the process air system of the dryer hood in the simplest and most reliable way and thus even with each change in production car - matic always optimal operation of the dryer hood is maintained.
  • this object is achieved in each case by a method having the features of claim 1, a method having the features of claim 3 or a device having the features of claim 9, or a device having the features of claim 10 and a computer program product according to FIG the features of claim 15 solved.
  • a respective supply air actuating element can in particular be a supply air flap and, in the case of a respective exhaust air control element, in particular an exhaust air flap.
  • a gap is provided between the drying cylinder and the wet part and the dry part in each case.
  • the method in question for controlling and / or regulating the process air system is characterized in that in the intermediate space of the wet part and / or in the intermediate space of the dry part by means of at least one pressure sensor, the prevailing inter-space pressure (pZ ), the respectively measured inter-space pressure (pZ) fed to a control and / or regulating device and the respective inter-space pressure (pZ) by means of the control and / or regulating device in particular via a corresponding control of the respective Zuluftstellelements and / or each exhaust air control element is automatically controlled so that the inter-space pressure (pZ) is within a predetermined range of values.
  • the intermediate space pressure p z always lies in a predetermined range without, as hitherto, the pressure having to be corrected by manually opening and closing flaps.
  • staff costs can be reduced and, in addition, process stability and uniformity can be increased.
  • the clearance pressure (p z ) it is possible for the clearance pressure (p z ) to be so
  • the hot circulating air flows from the respective wet or dry part of the drying hood into the environment, since the space between the drying hood and the drying cylinder, which is hot Convection is filled, usually not sealed against the environment. With the outflow of hot air into the environment but the process air system is lost a large amount of energy. This energy must then be returned to the air cycle, which is associated with additional costs. In addition, this is also ergonomically advantageous because the operating personnel in the vicinity of the drying cylinder is not burdened by the outflowing hot air.
  • the optimum state is therefore a gap pressure which corresponds approximately to the ambient pressure, since neither hot air is lost to the environment, nor cold ambient air is sucked in, and thereby the least energy must be supplied to the individual air circuits.
  • the relevant method for controlling and / or regulating the process air system is characterized in that in the intermediate space of the wet part and / or in the intermediate space of the dry part in each case by means of at least one temperature sensor, the interspace temperature (T z ) measured, the respective measured gap temperature
  • T z the respective interspace temperature (T z ) by means of the control and / or regulating device in particular via a corresponding control of the respective Zu Kunststoffstellelements and / or the respective Abluftstellelements is automatically controlled so that the respective gap - Temperature (T z ) in a temperature range between 50 ° C and 250 ° C, in particular in a temperature range between 100 ° C and 200 ° C, is maintained.
  • This second aspect solves the same problem as the first aspect with the same inventive idea, namely to replace the manual setting of the actuators by an automation based on readings from the gap.
  • the measurement of the respective interspace temperature (T z ) takes place at a distance of less than 100 cm, preferably less than 50 cm, particularly preferably 20 cm or less, from a guide side and / or drive side edge of the intermediate space ,
  • This embodiment is advantageous because the inter-space temperature (T z ) in the vicinity of the edge changes greatly depending on the inter-space pressure (p z ).
  • the temperature of the hot circulating air is very high. It is often between 300 ° C and 500 ° C.
  • the temperature of the environment is much lower, and usually - depending on the quality of the hall ventilation - between 20 ° C and 50 ° C.
  • the temperature in the edge area will then be set in an intermediate range, which is usually between 50 ° C and 250 ° C, in particular between 100 ° C and 200 ° C.
  • the temperature measurement can be carried out by using at least one temperature sensor installed in the insulation of the drying hood.
  • These multiple sensors may, for example, be arranged along the circumferential direction of the drying cylinder. In this way it can be checked at various points whether air escapes from the intermediate space or is sucked in. By choosing the highest measured value as the temperature value, it is ensured that the control already becomes active when hot air escapes at least at one point.
  • the channel system comprises a common supply air supply channel to the Zu Kunststoffstellelementen, which is supplied with a supply air blower with supply air and in which at least one supply air pressure sensor is provided, wherein by means of at least one Zu Kunststoff- Pressure sensor measured values supplied to a control and / or regulating device and the applied pressure is influenced by the control and / or regulating device in particular via a corresponding control of the Zu Kunststoffgebläses and is kept in particular constant.
  • This possibility can be used advantageously both for methods according to the first aspect and the second aspect of the invention.
  • an air supply control element is completely closed and still there is an overpressure in the associated interspace, which is indicated by the pressure sensors or by the temperature sensors as "high temperature".
  • the exhaust air release element can be opened further in order to move the sensor values back into the desired range.
  • the various devices according to the invention for controlling and / or regulating a process air system of a dryer hood, in particular a MG smoothing and / or Yankee cylinder, associated dryer hood of a machine for Fier ein a fibrous web, in particular paper, cardboard or Tissu- ebahn include each
  • a duct system with one air circuit each for supplying a wet part and a dry part with hot air.
  • the duct system comprises a supply air control element associated with the wet part of the dryer hood and a supply air control element which is assigned to the dry part of the dryer hood and via which supply air can be supplied to the respective air circuit,
  • the channel system comprises an exhaust air actuating element assigned to the wet part of the drying hood and / or a dry part of the drying hood associated exhaust air control element, via the jewe
  • the elements of the drying hood are positioned so that a gap is provided between the drying cylinder and the wet part and the dry part.
  • the size of the gap in the devices of the various aspects of the invention may vary depending on the design. Often it will be between 10mm and 50mm, preferably between 20mm and 30mm.
  • the various devices according to the invention are in each case particularly suitable for carrying out the respective method according to the invention.
  • the relevant device for controlling and / or regulating the process air system is characterized in that at least one pressure sensor is provided for measuring the intermediate pressure (p z ) of the wet part and / or the dry part.
  • the respective pressure sensor is connected to a control and / or regulating device and the control and / or regulating device is set up such that the intermediate pressure (p z ) by means of a corresponding control of the respective Zu Kunststoffstel- lel element and / or the respective Abluftstellelements so it can be regulated that the respective inter-space pressure (p z ) is or can be kept within a predetermined value range.
  • the relevant device for controlling and / or regulating the process air system is characterized in that in each case at least one temperature sensor (40 or 42) is provided for measuring the intermediate pressure.
  • the respective temperature sensor is connected to a control and / or regulating device, and the control and / or regulating device is set up so that the respective interspace temperature (T z ) with a corresponding control of the respective Zu Kunststoffstellelements and / or of the respective Abluftstel lelements is regulated so that the respective interspace temperature (T z ) in a temperature range between 50 ° C and 250 ° C, preferably in a temperature range between 100 ° C and 200 ° C, can be maintained.
  • T z interspace temperature
  • At least one temperature sensor is provided for measuring the respec conditions interspace temperature (TZ), in the insulation of the drying hood, in particular the
  • At least one, preferably all, temperature sensors are provided at a distance of less than 100 cm, preferably less than 50 cm, particularly preferably 20 cm or less, from a driver-side and / or drive-side edge of the intermediate space and thus also of the wet or dry part ,
  • connection of the pressure and / or temperature sensors to a control and / or regulating device can take place in various ways.
  • this connection can take place wirelessly, or via cables, in particular via high-temperature cables, which are especially suitable for the temperature conditions in the environment of a drying hood.
  • the channel system comprises a common supply air supply to the Zu Kunststoffstellelementen, wherein in this supply air supply channel at least one supply air pressure sensor is provided and / or at least one supply air blower is provided to the common air supply Supply supply with supply air.
  • the Zu povertystellelemente or flaps and Ab povertystellelemente or flaps nen can be provided, for example, with electric and / or pneumatic actuators.
  • control and / or regulating device will usually comprise or consist of a computer.
  • the object is achieved by a computer program product which, when executed on the computer of a control and / or regulating device of a device according to one of claims 9 to 14, controls and / or regulates a process air system according to one of claims 1 to 8 causes.
  • the two hood halves of the dryer hood can be balanced with the hood exhaust air humidity being as high as possible and, in particular, driven with neutral air pressure so that no hot process air enters the hall at the gap between the MG smoothing and / or Yankee cylinder and the dryer hood outlet and no cold indoor air is sucked into the dryer hood.
  • the relevant control elements no longer have to be dogged. be changed, but are now according to the invention au
  • FIG. 1 is a schematic representation of an exemplary embodiment of an apparatus for controlling and / or regulating a process air system of a drying hood according to one aspect of the invention
  • FIG. 1 shows a schematic representation of an exemplary embodiment of a device 10 for controlling and / or regulating a process air system of a drying hood 12 according to an aspect of the invention.
  • the device 10 for controlling and / or regulating a process air system comprises a drying cylinder 14, in particular a MG smoothing and / or Yankee cylinder 14, associated dryer hood 12 of a machine for producing a fibrous web, in particular paper, cardboard or Tissuebahn, a channel system 16 with an air circuit 180 for supplying a Nässeils 18 and an air circuit 220 for supplying a dry part 22 with hot air.
  • a drying cylinder 14 in particular a MG smoothing and / or Yankee cylinder 14
  • a channel system 16 with an air circuit 180 for supplying a Nquaintils 18 and an air circuit 220 for supplying a dry part 22 with hot air.
  • a respective blower 36, 38 e.g. Compressor or fan 36, 38 provided
  • a burner 44, 46 With suitable burners 44, 46, the circulating air can be heated to temperatures between 300 ° C and 500 ° C.
  • the channel system 16 comprises a wet part 18 of the dryer hood 12 associated Zu povertystellelement 20 and the dry part 22 of the dryer hood 12 associated Zu povertystellelement 24 via the respective air circuit 180, 220 supply air can be fed
  • the channel system 16 in Figure 1 also includes a nasal
  • the wet end 18 and the dry part 22 of the dryer hood 12 are arranged so that between you and the drying cylinder 14, a gap 60, 62 is gebil det.
  • This gap 60, 62 is often 20 mm, but it may also be larger or smaller, preferably between 10 mm and 50 mm.
  • sensors 40, 400, 42, 420 are provided both in the wet part 18 and in the dry part 22.
  • This may, as described in the first aspect of the invention, be pressure sensors 400, 420.
  • they may also be temperature sensors 40, 42, as described in the second aspect.
  • pressure sensors 400, 420, as well as temperature sensors 40, 42 are used in the drying hood.
  • the sensors 40, 400, 42, 420 are connected to a control and / or regulating device 34, for example via high-temperature cables or other suitable connections.
  • This control and / or regulating device 34 is usually installed on a computer or includes this.
  • Such a computer usually has a suitable computer program product installed in accordance with an aspect of the invention.
  • FIG. 1 Although only one sensor 40, 400, 42, 420 per part of the drying hood 12 is shown in FIG. 1, it should be noted that in advantageous installations, several, e.g. 2 or 4, pressure and / or temperature sensors per part of the drying hood 12 may be provided. These can be arranged, for example, along the circumferential direction of the drying cylinder 14.
  • the control and / or regulating device 34 is designed so that it can control some or all adjusting elements 20, 24, 26, 28, so that they can be automatically opened and / or closed.
  • the supply air to the two Zubuchstellelementen 20, 24 is here sannen supply air supply channel 32 to the Zubuchstellelementen 20, 24 out.
  • An air blower 52 supplies the common supply air supply channel 32, and thus the entire duct system 16 with supply air.
  • this supply air after the supply air fan 52 and before the Zu Kunststoffstellelementen 20, 24 is still heated. This can happen through a heat exchanger (not shown in FIG. 1). It is particularly advantageous if the energy for heating this supply air is wholly or partly taken from the exhaust air which is removed from the air circuits 180, 220 by the exhaust air control elements 26, 28. In many installations, this exhaust air has a temperature of 150 ° C to 300 ° C, often 200 ° C +/- 25 ° C.

Landscapes

  • Paper (AREA)

Abstract

L'invention concerne un procédé de commande et/ou de régulation d'un système d'air de traitement d'une hotte de séchage (12) associée à un cylindre sécheur (14) d'une machine de production d'une bande de matière fibreuse, selon lequel de l'air entrant est amené à une partie humide (18) et à une partie sèche (22) de la hotte de séchage par l'intermédiaire d'un élément de prise d'air entrant (20, 24) respectif d'un système de conduites (16), et de l'air sortant est évacué hors de la partie humide et de la partie sèche par l'intermédiaire d'un élément de prise d'air sortant (26, 28) respectif du système de conduites. La pression régnant dans l'espace intermédiaire entre le cylindre sécheur et la partie humide et dans l'espace intermédiaire entre le cylindre sécheur et la partie sèche est déterminée respectivement au moyen d'au moins un capteur de pression (400, 420), la pression mesurée respective des espaces intermédiaires est amenée à un dispositif de commande et/ou de régulation (34), et la pression respective des espaces intermédiaires est régulée automatiquement par une commande appropriée de l'élément de prise d'air entrant respectif et/ou de l'élément de prise d'air sortant respectif de telle manière que la pression des espaces intermédiaires se situe à l'intérieur d'une plage de valeurs prédéfinie. En complément ou dans une variante, la température de l'espace intermédiaire entre le cylindre sécheur et la partie humide et de l'espace intermédiaire entre le cylindre sécheur et la partie sèche est mesurée respectivement au moyen d'au moins un capteur de température (40, 42), la température mesurée respective des espaces intermédiaires est amenée à un dispositif de commande et/ou de régulation, et la température respective des espaces intermédiaires est régulée automatiquement par une commande appropriée de l'élément de prise d'air entrant respectif et/ou de l'élément de prise d'air sortant respectif de telle manière que la température des espaces intermédiaires est maintenue dans une plage de température de 50 °C à 250 °C. L'invention concerne également des dispositifs et un produit-programme informatique permettant la mise en œuvre de ce procédé.
PCT/EP2018/080434 2017-11-23 2018-11-07 Procédé, dispositif et produit-programme informatique de commande et/ou de régulation d'un système d'air de traitement Ceased WO2019101520A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112018005655.4T DE112018005655A5 (de) 2017-11-23 2018-11-07 Verfahren, vorrichtung und computerprogrammprodukt zum steuern und/oder regeln eines prozessluftsystems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017127664.5A DE102017127664A1 (de) 2017-11-23 2017-11-23 Prozessluftsystem
DE102017127664.5 2017-11-23

Publications (1)

Publication Number Publication Date
WO2019101520A1 true WO2019101520A1 (fr) 2019-05-31

Family

ID=64277665

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/080434 Ceased WO2019101520A1 (fr) 2017-11-23 2018-11-07 Procédé, dispositif et produit-programme informatique de commande et/ou de régulation d'un système d'air de traitement

Country Status (2)

Country Link
DE (2) DE102017127664A1 (fr)
WO (1) WO2019101520A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019125408A1 (de) * 2019-09-20 2021-03-25 Voith Patent Gmbh Steuerung und/oder Regelung eines Prozessluftsystems
CN116289288A (zh) * 2023-04-26 2023-06-23 恒安（芜湖）纸业有限公司 一种造纸热风气罩内外气压自动控制系统
CN116497623A (zh) * 2023-06-08 2023-07-28 维达纸业(浙江)有限公司 一种卫生纸机智能烘干装置及其操作方法
CN118076781A (zh) * 2021-09-07 2024-05-24 福伊特专利有限公司 用于改善造纸机中的干燥过程的方法和设备
SE2330242A1 (en) * 2023-05-31 2024-12-01 Valmet Oy Hood adjustment assembly and method for adjusting a position of a hood on a dryer cylinder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3078772A2 (fr) * 2015-04-08 2016-10-12 Voith Patent GmbH Systeme d'air de traitement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3078772A2 (fr) * 2015-04-08 2016-10-12 Voith Patent GmbH Systeme d'air de traitement

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019125408A1 (de) * 2019-09-20 2021-03-25 Voith Patent Gmbh Steuerung und/oder Regelung eines Prozessluftsystems
CN118076781A (zh) * 2021-09-07 2024-05-24 福伊特专利有限公司 用于改善造纸机中的干燥过程的方法和设备
CN116289288A (zh) * 2023-04-26 2023-06-23 恒安（芜湖）纸业有限公司 一种造纸热风气罩内外气压自动控制系统
SE2330242A1 (en) * 2023-05-31 2024-12-01 Valmet Oy Hood adjustment assembly and method for adjusting a position of a hood on a dryer cylinder
SE547503C2 (en) * 2023-05-31 2025-10-07 Valmet Oy Hood adjustment assembly and method for adjusting a position of a hood on a dryer cylinder
CN116497623A (zh) * 2023-06-08 2023-07-28 维达纸业(浙江)有限公司 一种卫生纸机智能烘干装置及其操作方法
CN116497623B (zh) * 2023-06-08 2024-10-29 维达纸业(浙江)有限公司 一种卫生纸机智能烘干装置及其操作方法

Also Published As

Publication number Publication date
DE102017127664A1 (de) 2019-05-23
DE112018005655A5 (de) 2020-10-01

Similar Documents

Publication Publication Date Title
WO2019101520A1 (fr) Procédé, dispositif et produit-programme informatique de commande et/ou de régulation d'un système d'air de traitement
EP2516949B1 (fr) Procédé et dispositif de séchage de plaques de plâtre
DE3330556C2 (fr)
EP3309294B1 (fr) Systeme d'air de traitement
DE102009021004A1 (de) Trocknungs- und/oder Härtungsanlage
DE102021129210B4 (de) Einrichtung zur Gebäudelüftung und Verfahren zur Regelung der Zirkulation von Raumluft sowie Regelungseinheit und Computerprogramm hierzu
EP3795743A1 (fr) Procédé de commande et/ou de régulation d'un système de circulation d'air d'une hotte d'un cylindre de séchage d'une machine de fabrication d'une bande de matériau fibreux et machine de fabrication d'une bande de matériau fibreux
DE102023203864A1 (de) Gargerät mit energieeffizientem Kühlluftsystem und Feuchteregulierungssystem
CH689738A5 (de) Verfahren und Vorrichtung zur Klimaregelung eines zum klimatisierten Betrieb von Textilmaschinen ausgestatteten Raumes.
DE102008001309A1 (de) Verfahren und Vorrichtung zum Steuern einer Druckmaschine
EP0053269B1 (fr) Dispositif pour le traitement à chaud des matériaux en forme de bande
DE102015209370B3 (de) Trockner
DE10361646A1 (de) Vorrichtung und Verfahren zur Temperaturregelung in einer Flugzeugkabine
DE10221254B4 (de) Verfahren und Vorrichtung zum Entfeuchten von Lebensmitteln
WO2012041662A1 (fr) Procédé de mise en œuvre d'un dispositif pour une application directe ou indirecte d'un milieu d'enduction liquide ou pâteux et dispositif
DE102011114104A1 (de) Verfahren zum Temperieren von Gegenständen und Anlage hierfür
EP2354740B1 (fr) Dispositif et procédé de traitement thermique de bandes de produits en forme de bandes
DE102024134280B3 (de) Vorsteuerverfahren zur modellbasierten Einstellung einer Warmpfadtemperatur in einer Klimatisierungseinheit eines Kraftfahrzeugs, Klimatisierungseinheit mit Steuereinheit zur Durchführung des Vorsteuerverfahrens und Kraftfahrzeug mit einer solchen Klimatisierungseinheit
EP2010849B1 (fr) Dispositif de cuisson d'une couche d'émail et procédé permettant la régulation de la chaleur
DE19611887A1 (de) Regelungsverfahren für die Backtemperatur eines Backofens
EP4305231B1 (fr) Sèche-linge à condenseur ayant une pompe à chaleur et une partie d'air recyclé, et procédé pour faire fonctionner le sèche-linge à condenseur
DE102022124698A1 (de) Backofen mit Brennkammerdruckregelung
WO2017060332A1 (fr) Dispositif de thermorégulation d'objets et procédé de commande d'un dispositif de thermorégulation d'objets
EP2372264A2 (fr) Procédé de fonctionnement d'un appareil d'aération, appareil d'aération et espace doté d'un appareil d'aération
EP3289885B1 (fr) Machine à enrober comprenant un dispositif de régulation de la température de l'air de soufflage automatisée

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18800893

Country of ref document: EP

Kind code of ref document: A1

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112018005655

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18800893

Country of ref document: EP

Kind code of ref document: A1