EP3309294A1 - Systeme d'air de traitement - Google Patents

Systeme d'air de traitement Download PDF

Info

Publication number: EP3309294A1
Authority: EP; European Patent Office
Prior art keywords: air; hood; burner; dry; heat exchanger
Prior art date: 2015-04-08
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

EP17198199.6A

Other languages

German (de)

English (en)

Other versions

EP3309294B1 (fr

Inventor

Marco Popp

Torben Schlieckau

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.)

2015-04-08

Filing date

2016-04-07

Publication date

2018-04-18

2016-04-07 Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH

2018-04-18 Publication of EP3309294A1 publication Critical patent/EP3309294A1/fr

2019-01-02 Application granted granted Critical

2019-01-02 Publication of EP3309294B1 publication Critical patent/EP3309294B1/fr

Status Active legal-status Critical Current

2036-04-07 Anticipated expiration legal-status Critical

Images

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
- D21F5/20—Waste heat recovery
- 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
- 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
- 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 present invention relates to methods and devices for controlling and / or regulating a process air system of a drying cylinder, in particular Yankee cylinder, associated drying hood, in particular Yankee hood, a machine for producing a fibrous web, in particular paper, board or tissue web.
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. For heat recovery in this case is usually a preheat the Haubenzu Kunststoff and especially in Yankee hoods, a preheating of combustion air. In addition, heating the production halls with waste heat is the rule.
At least one humidity sensor is provided for measuring the humidity of the hood exhaust air or in the usually two hood halves, namely the wet end and the dry end.
the so-called make-up air (fresh air) and exhaust-air flaps (exhaust air flaps) and the hood exhaust fan are set manually.
the aim is to set the air pressure while maintaining the highest possible target air humidity in the two hood halves so that no hot air exiting the hood / the hoods and as little indoor air is sucked by vacuum in the hood.
the flaps and hood exhaust fan must previously adjusted manually to operate the process air system energetically optimal.
a method and a device of the type mentioned are, for example, in the EP 2 298 988 A1 described.
the invention has for its object to provide a method and an apparatus of the type mentioned, with which in the simplest and most reliable way automatic control of the process air system of a drying cylinder associated dryer hood and thus always with optimal production of energy in each case changes in production the drying hood is guaranteed.
the generic term 'burner' designates a suitable hot air generator. According to the invention, this is to be understood as a suitable device for hot air generation.
this may not be exclusively an oil or gas-fired burner, for example, to produce hot air by means of steam or thermal oil, a suitable system for the exhaust gas use of a gas turbine or a gas engine.
the hot air which is used according to the invention, in this case has a temperature between 180 ° and 450 ° C, preferably between 250 ° C and 350 ° C.
the return air from the wet part and return air from the dry part of the dryer hood is in each case returned to the relevant burner, exhaust air from the wet part and exhaust air from the dry part of the dryer hood fed to a heat exchanger - preferably a common heat exchanger.
the exiting from the heat exchanger exhaust air is discharged via an exhaust fan to the environment and fed through the heat exchanger fresh air supplied to the wet part of the dryer hood burner and associated with the dry part of the dryer hood burners.
the humidity of the return air from the wet end and the humidity the return air from the dry part of the dryer hood is measured.
the flow of the exhaust fan is controlled and the air balance of the wet part and / or the dry part determined by the ratio of supplied to discharged air mass flow
the drying hood is controlled in each case via the supply of preheated fresh air from the heat exchanger to the wet part or dry part of the dryer hood associated burner to a predetermined target value.
Due to this embodiment of the method is an extremely simple and reliable way automatic control of the process air system of a drying cylinder associated dryer hood allows whereby an energetically optimal operation of the dryer hood is always guaranteed at respective changes in production such as the paper type.
the wet end forms the part of the drying hood, by which the fibrous web guided over the rotating drying cylinder is first charged, and the dry part (dry end) forms the part of the drying hood, through which the Fiber web is then applied.
the nominal value for the air balance of the wet part and the dry part of the dry hood can each be in the range of 0.7, for example.
the exhaust air mass flow supplied to the heat exchanger from the wet part of the drying hood and / or the exhaust air mass flow supplied to the heat exchanger from the dry part of the drying hood is preferably controlled in each case by means of an exhaust air control element, in particular an exhaust air flap (exhaust air flap).
the pre-heated fresh air mass flow supplied to the wet part of the dryer hood from the heat exchanger and / or the preheated fresh air mass flow supplied to the dryer part of the dryer hood from the heat exchanger is preferably in each case by means of a fresh air control element, in particular a fresh air flap (make-up air flap). controlled.
the control of the flow of the exhaust fan is advantageously carried out depending on the humidity of the return air from the dryer hood part with the relatively higher water evaporation at fully open Abluftstellelement for controlling the heat exchanger from the wet end of the dryer hood supplied exhaust air mass flow.
the supply of preheated fresh air from the heat exchanger to the burner associated with the wet part is preferably regulated correspondingly by means of the fresh air control element associated with this burner.
the respective operating state of the wet part of the drying hood can be determined in particular via at least one temperature and / or pressure measurement in the region of the wet part of the drying hood.
the air balance of the dry part of the drying hood determined by the ratio of supplied to discharged air mass flow is preferably regulated to a desired value by means of the fresh air control element assigned to the burner for the dry part.
the respective operating state of the dry part of the drying hood can be determined in particular via at least one temperature and / or pressure measurement in the region of the dry part of the drying hood.
a machine for producing a fibrous web, in particular paper, board or tissue web this is characterized by hot supply air from a burner is fed to a wet part and a dry part of the dryer hood, return air from the wet part and return air from the dry part of the dryer hood are each returned to the relevant burner, a cascade actuator between the outlets of the wet part and the dry part of the dryer hood , in particular a cascade flap, is switched, is fed via a connected to the output of the wet part channel a heat exchanger exhaust air, the outgoing from the heat exchanger exhaust air over an exhaust fan is discharged back to the environment and through the heat exchanger preheated fresh air via a fresh air actuator, in particular a fresh air flap, a supplied between the dry part of the dryer hood and the dryer part associated burner return air duct is supplied,
the respective operating state of the wet part of the drying hood is preferably determined by means of a temperature and / or pressure measurement in the region of the wet part of the drying hood.
the air balance of the dry part of the drying hood determined by the ratio of supplied to discharged air mass flow is preferably regulated to a desired value by means of the fresh air control element.
the respective operating state of the dry part of the drying hood can be determined in particular by means of a temperature and / or pressure measurement in the region of the dry part of the drying hood.
a machine for producing a fibrous web, in particular paper, board or tissue web this is characterized by in that in each case hot supply air from a burner is fed to a wet part and a dry part of the drying hood, wherein the wet part and the dry part are a common burner is associated, return air from the wet part and return air from the dry part of the dryer hood is returned to the burner, between the outputs of the wet part and the dry part of the dryer hood a cascade actuator, in particular a cascade, is connected via a connected to the output of the wet part channel exhaust air is supplied to a heat exchanger, which is discharged from the heat exchanger exiting exhaust air via an exhaust fan to the environment and through the heat exchanger preheated fresh air via a fresh air actuator, in particular a fresh air flap, a provided between the
the respective operating state of the wet part of the drying hood can be determined in particular by means of a temperature and / or pressure measurement in the region of the wet part of the drying hood.
the air balance of the dry part of the drying hood determined by the ratio of supplied to discharged air mass flow is regulated to a desired value by means of the fresh air control element.
the respective operating state of the dry part of the drying hood can be determined in particular by means of a temperature and / or pressure measurement in the region of the dry part of the drying hood.
the object is achieved by a device for controlling and / or regulating a process air system of a drying cylinder, in particular Yankee cylinder, associated drying hood, in particular Yankee hood, a machine for producing a fibrous web, in particular paper, board or tissue web, corresponding to a wet part of the dryer hood associated first burner and a first channel system, via which the wet part hot air from the first burner can be fed and return air from the wet part to the first burner is traceable, a dry part of the dryer hood associated second burner and a second channel system, via which the dry part hot air from the second burner can be supplied and return air from the dry part to the second burner is traceable, a heat exchanger , the exhaust air from the wet part and exhaust air from the dry part of the dryer hood can be supplied, an exhaust fan for discharging the exiting from the heat exchanger exhaust air to the environment, a channel through the preheated by the heat exchanger fresh air to the first burner and the z wide burner is fed, humidity sensors
the exhaust air mass flow supplied to the heat exchanger from the wet part of the dryer hood and / or the exhaust air mass flow supplied to the heat exchanger from the dry part of the dryer hood are preferably controllable via an exhaust air control element, in particular an exhaust air flap.
the pre-heated fresh air mass flow supplied from the heat exchanger to the pre-heated fresh air mass flow supplied to the wet part of the dryer hood and / or to the preheated fresh air mass flow supplied to the dryer part of the dryer hood from the heat exchanger is preferably controllable via a fresh air control element, in particular a fresh air flap.
the means for controlling the flow of the exhaust fan depending on the humidity of the return air from the dry hood part with the relatively higher exhaust evaporation are preferably carried out for the corresponding control of the flow of Abluftgebläses with fully open Abluftstellelement for controlling the heat exchanger from the wet end of the dryer hood supplied exhaust air mass flow.
the means for regulating the air balance of the wet part of the drying hood can be designed in particular so that the supply of preheated fresh air from the heat exchanger to the burner associated with the wet part is regulated correspondingly via the fresh air control element associated with this burner to regulate the air balance of the wet part.
means are provided for measuring the temperature and / or pressure in the region of the wet part of the drying hood and control means for determining the respective operating state of the wet part of the drying hood on the basis of the temperature and / or pressure measurement.
means for controlling and / or regulating the humidity of the return air from the dry part of the drying hood are provided via the exhaust part assigned to the drying part.
means are provided for controlling the supply supplied by the ratio discharged air mass flow determined air balance of the dry part of the dryer hood provided to a target value, which are designed so that the relevant regulation is made via the burner associated with the dry part fresh air actuator.
means for determining the respective operating state of the dry part of the drying hood on the basis of a temperature and / or pressure measurement in the region of the dry part of the drying hood can be provided.
means for determining the respective state of the wet part of the drying hood on the basis of a temperature and / or pressure measurement in the region of the wet part of the drying hood can be provided.
Preferably means are provided for controlling the determined by the ratio of supplied to discharged air mass flow air balance of the dry part of the dryer hood to a target value, which are designed so that the relevant control is carried out via the Frischluftstellelement.
means for determining the respective operating state of the dry part of the drying hood can be provided on the basis of a temperature and / or pressure measurement in the region of the dry part of the drying hood.
the drying hood next to the wet part and the dry part still has at least one other part.
a drying hood which has more than two parts, it can either be provided that the process air of the at least one additional part is integrated with the regulation according to the invention. Likewise, however, it can also be provided that the process air of the at least one additional hood part is not integrated into the control.
a one-piece drying hood can be provided. In this case wet part and dry part of the dryer cover fall together. The The regulation according to the invention then analogously also includes only the process air flow of this one hood part.
the device for controlling and / or regulating a process air system comprises a drying cylinder, in particular Yankee cylinder, associated dryer hood, in particular Yankee hood, a machine for producing a fibrous web, in particular paper, board or tissue web, a wet end and a Dry part of the dryer hood associated common burner, a channel system via which the wet part and the dry part of the dryer hood each hot supply air from the burner can be supplied and return air from the wet part and return air from the dry part of the dryer hood to the burner is traceable, one between the outputs of the wet section and the dry part of the drying hood switched cascade actuator, in particular cascade flap, a heat exchanger, which is supplied via a connected to the outlet of the Nässeile exhaust air, an exhaust fan for discharging the exiting from the heat exchanger again Exhaust air to the environment, a Frischluftstellelement, in particular fresh air damper, via the preheated by the heat exchanger fresh air is provided between the dry part of the dryer
means for determining the respective operating state of the wet part of the drying hood on the basis of a temperature and / or pressure measurement in the region of the wet part of the drying hood can be provided again.
Preferably means are provided for controlling the determined by the ratio of supplied to discharged air mass flow air balance of the dry part of the dryer hood to a target value, which are designed so that the relevant control is carried out via the Frischluftstellelement.
means for determining the respective operating state of the dry part of the drying hood on the basis of a temperature and / or pressure measurement in the area of the dry part of the drying hood can also be provided.
Fig. 1 shows a schematic representation of an exemplary embodiment of an apparatus 10 for controlling and / or regulating a process air system a drying cylinder 12, in particular Yankee cylinder, associated drying hood 14, in particular Yankee hood, a machine for producing a fibrous web, in particular paper, board or tissue web.
the device 10 comprises a first part 18 of the dryer hood 14 associated with the first burner 18 and a first channel system 20 via which the wet part 16 hot air from the first burner 18 can be fed and return air from the wet part 16 to the first burner 18 is attributable to a Dry part 22 of the dryer hood 14 associated second burner 24 and a second channel system 26, via which the dry part 22 hot air from the second burner 24 can be supplied and return air from the dry part 22 to the second burner 24 is traceable.
the device 10 further comprises a heat exchanger 28, the exhaust air from the wet part 16 and exhaust air from the dry part 22 of the drying hood 14 can be supplied, an exhaust fan 30 for discharging the exiting the heat exchanger 28 exhaust air to the environment or the production hall, a channel 32, via the preheated by the heat exchanger 28 fresh air to the first burner 18 and the second burner 24 can be fed, humidity sensors 34, 36 for measuring the humidity of the return air from the wet part 16 and the humidity of the return air from the dry part 22 of the dryer hood 14, means for controlling the flow rate of the exhaust fan 30 as a function of the humidity of the return air from the dryer hood part 16 or 22 with the relatively higher water evaporation, which is usually the wet part 16, and means for controlling the supplied by the ratio of to air mass flow determined certain air balance of the Nässeils 16 and / or the Trocke Part 22 of the drying hood 14 via the supply of preheated fresh air from the heat exchanger 28 to the wet part 16 and dry part 22 of the dryer hood 14 associated first
the exhaust air mass flow supplied to the heat exchanger 28 from the wet part 16 of the drying hood 14 can be controlled via an exhaust air control element 38 and the exhaust air mass flow supplied to the heat exchanger 28 from the dry part 22 of the drying hood 14 via an exhaust air control element 40.
the exhaust air control elements 38, 40 may in each case in particular be an exhaust air flap or the like.
the preheated fresh air mass flow supplied to the wet part 16 of the drying hood 14 from the heat exchanger 28 can be controlled via a fresh air control element 44 and the preheated fresh air mass flow supplied to the second burner 24 from the heat exchanger 28 to the dry part 22 of the drying hood 14.
These fresh air control elements 42, 44 may in each case in each case be a fresh air flap or the like.
the means for regulating the air balance of the wet part 16 of the drying hood 14 can be designed in particular such that for controlling the air balance of the wet part 16, the supply of preheated fresh air from the heat exchanger 28 to the first burner 18 associated with the wet part 16 via that burner 18 associated Frischluftstellelement 42 is regulated accordingly.
means for measuring the temperature and / or pressure in the region of the wet part 16 of the drying hood 14 as well as means for determining the respective operating state of the wet part 16 of the drying hood 14 on the basis of the temperature and / or pressure measurement can be provided.
means for controlling the determined by the ratio of supplied to discharged air mass flow air balance of the dry part 22 of the dryer hood 14 may be provided to a target value, which are designed so that the relevant scheme on the second burner 24 for the dry part 22 associated Frischluftstellelement 44 takes place.
means for determining the respective operating state of the drying part 22 of the drying hood 14 on the basis of a temperature and / or pressure measurement in the region of the dry part 22 of the drying hood 14 may be provided.
the channel systems 20, 26 each include a respective burner 18 and 24 upstream fan 46 and 48, respectively.
both the wet part 16 and the dry part 22 of the drying hood 14 are each assigned a temperature sensor 60 or 62.
Fig. 2 shows a schematic representation of an exemplary embodiment of an apparatus 10 for controlling and / or regulating a process air system of a drying cylinder 12, in particular Yankee cylinder, associated drying hood 14, in particular Yankee hood, a machine for producing a fibrous web, in particular paper, board or tissue web, according to another inventive idea.
the apparatus 10 comprises a first burner 18 assigned to a wet part of the dryer hood 14 and a first duct system 20, via which hot air from the first burner 18 can be fed to the wet part 16 and return air from the wet part 16 can be returned to the first burner 18, a dry part 22 of the dryer hood 14 associated second burner 24 and a second channel system 26, via which the dry part 22 hot air from the second burner 24 can be supplied and return air from the dry part 22 to the second burner 24 is traceable.
a cascade actuating element 50 in particular a cascade flap or the like, is connected between the outputs of the wet part 16 and the dry part 22 of the drying hood 14.
the apparatus 10 further comprises a heat exchanger 28, to which exhaust air can be supplied via a channel 52 connected to the outlet of the wet part 16, an exhaust fan 30 for discharging the exhaust air leaving the heat exchanger 28 to the environment, a fresh air control element 54, in particular a fresh air flap or the like in that fresh air preheated by the heat exchanger 28 can be supplied to a return air duct 56 provided between the drying section 22 of the drying hood 14 and the second burner 24 assigned to the drying section 22, at least one humidity sensor 58 for measuring at least the humidity of the return air from the wet section 16 of the drying hood 14 and / or the hood exhaust air, means for controlling the flow of the exhaust fan 30 depending on the measured humidity and in particular means for controlling the air balance of the wet part 16 of the dryer hood 14 via the cascade control element 50 determined by the ratio of supplied to discharged air mass flow to a desired value.
a fresh air control element 54 in particular a fresh air flap or the like in that fresh air preheated by the heat exchanger 28 can be supplied
means for determining the respective operating state of the wet part 16 of the drying hood 14 can again be provided on the basis of a temperature and / or pressure measurement in the region of the wet part 16 of the drying hood 14.
the device 10 may also include means for controlling the determined by the ratio of supplied to dissipated air mass flow air balance of the dry part 22 of the dryer hood 14 to a target value, which are designed so that the relevant control via the Frischluftstellelement 54 takes place.
means for determining the respective operating state of the drying section 22 of the drying hood 14 as a function of a temperature and / or pressure measurement in the region of the drying section 22 of the drying hood 14 may be provided.
the two channel systems 20, 26 also each contain a respective burner 18 or 24 upstream fan 46 and 48, respectively.
Fig. 3 shows a schematic representation of an exemplary embodiment of an apparatus 10 for controlling and / or regulating a process air system of a drying cylinder 12, in particular Yankee cylinder, associated dryer hood 14, in particular Yankee hood, a machine for producing a fibrous web, in particular paper, board or tissue web, according to a further inventive idea.
the apparatus 10 comprises a common burner 64, a channel system 66, assigned to a wet part 16 and a drying part 22 of the drying hood 14, via which hot supply air from the burner 64 can be supplied to the wet part 16 and the dry part 22 of the drying hood 14 and return air from the wet part 16 and return air from the dry part 22 of the drying hood 14 to the burner 64 is traceable, a between the outputs of the Nrusttils 16 and the dry part 22 of the dryer hood 14 switched cascade element 50, in particular cascade flap or the like, a heat exchanger 28, the one with the output of the Nässeils 16 connected channel 52 exhaust air can be supplied, an exhaust fan 30 for discharging the exiting from the heat exchanger 28 air to the environment or the process hall, a fresh air control element 54, in particular fresh air damper or the like, via the preheated by the heat exchanger 28 fresh air one between the Dry part 22 of the Tro Cover hood 14 and the burner 64 provided return channel can be fed and at least one moisture meter 58 for measuring at
the hot air from the burner 64 supplied to the wet part 16 and the dry part 22 of the drying hood 14 can be adjusted via an adjusting element 70 or 72.
the device 10 comprises means for controlling the flow of the exhaust fan 30 as a function of the measured humidity and means for controlling the air balance of the wet part of the drying hood 14 determined by the ratio of supplied to discharged air mass flow to a setpoint value via the cascade control element 50.
means for determining the respective operating state of the wet part 16 of the drying hood 14 on the basis of a temperature and / or pressure measurement in the region of the wet part 16 of the drying hood 14 can in particular also be provided.
the device 10 may also include, in particular, means for regulating the air balance of the dry part 22 of the drying hood 14, which is determined by the ratio of supplied to discharged air mass flow, also a desired value, which is designed such that the relevant control takes place via the fresh air control element 54.
the device 10 can again comprise means for determining the respective operating state of the drying part 22 of the drying hood 14 on the basis of a temperature and / or pressure measurement in the region of the dry part 22 of the drying hood 14.
both the wet part 16 and the dry part 22 of the drying hood 14 are each assigned a temperature sensor 60 or 62 again.
the channel system 66 also includes a burner 64 upstream of the blower 68 again.

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Paper (AREA)

EP17198199.6A 2015-04-08 2016-04-07 Systeme d'air de traitement Active EP3309294B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102015204305		2015-04-08
EP16164156.8A EP3078772A3 (fr)	2015-04-08	2016-04-07	Systeme d'air de traitement

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
EP16164156.8A Division EP3078772A3 (fr)	2015-04-08	2016-04-07	Systeme d'air de traitement

Publications (2)

Publication Number	Publication Date
EP3309294A1 true EP3309294A1 (fr)	2018-04-18
EP3309294B1 EP3309294B1 (fr)	2019-01-02

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EP16164156.8A Withdrawn EP3078772A3 (fr)	2015-04-08	2016-04-07	Systeme d'air de traitement
EP17198199.6A Active EP3309294B1 (fr)	2015-04-08	2016-04-07	Systeme d'air de traitement

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Application Number	Title	Priority Date	Filing Date
EP16164156.8A Withdrawn EP3078772A3 (fr)	2015-04-08	2016-04-07	Systeme d'air de traitement

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Cited By (1)

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DE102017127664A1 (de) *	2017-11-23	2019-05-23	Voith Patent Gmbh	Prozessluftsystem

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SE541292C2 (en) *	2017-02-02	2019-06-11	Valmet Oy	A machine for making a tissue paper web and a method of operating such a machine
DE102019125408A1 (de) *	2019-09-20	2021-03-25	Voith Patent Gmbh	Steuerung und/oder Regelung eines Prozessluftsystems
CN111877045A (zh) *	2020-08-28	2020-11-03	陕西炳智机械有限公司	一种干湿分离热风穿透干燥设备及工艺
IT202200005126A1 (it) *	2022-03-16	2023-09-16	Andritz Novimpianti S R L	Sistema e metodo per il controllo dei fluidi di processo in un impianto per la produzione di materiale cartaceo nastriforme
SE546211C2 (en) *	2022-06-01	2024-07-02	Valmet Oy	A machine for producing a fibrous web

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- 2016-04-07 EP EP16164156.8A patent/EP3078772A3/fr not_active Withdrawn
- 2016-04-07 EP EP17198199.6A patent/EP3309294B1/fr active Active

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SCHUKOV V ET AL: "YANKEE HOOD PERFORMANCE STUDIES: THE EFFECT OF AIR BALANCE ON THERMAL EFFICIENCY", TAPPI JOURNAL, TECHNICAL ASSOCIATION OF THE PULP & PAPER INDUSTRY. ATLANTA, US, vol. 74, no. 4, 30 April 1991 (1991-04-30), pages 141 - 145, XP000205066, ISSN: 0734-1415 *

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DE102017127664A1 (de) *	2017-11-23	2019-05-23	Voith Patent Gmbh	Prozessluftsystem

Also Published As

Publication number	Publication date
EP3078772A2 (fr)	2016-10-12
EP3309294B1 (fr)	2019-01-02
EP3078772A3 (fr)	2016-12-28

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EP3309294B1 (fr)	2019-01-02	Systeme d'air de traitement
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DE102014220296A1 (de)	2016-04-07	(Mikro-)Gasturbinenanordnung
EP1288761A2 (fr)	2003-03-05	Procédé de régulation d'un système de bipasse basse pression
DE3135829A1 (de)	1982-04-29	"dampfturbinenregelverfahren und -anordnung"
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DE102010041231A1 (de)	2011-11-24	Verfahren und Vorrichtung zum Verfahren zur Wärmerückgewinnung für eine Trockenpartie einer Maschine zur Herstellung einer Faserstoffbahn
EP1262638A1 (fr)	2002-12-04	Dispositif pour refroidir le fluide de refroidissement d'une turbine à gaz et installation à turbine à gaz et à vapeur avec un tel dispositif
DE102013207449A1 (de)	2014-10-30	Verfahren zum Konditionieren von Luft und Konditionieranlage
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EP2129985B1 (fr)	2012-08-29	Procédé et dispositif de récupération de chaleur
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WO2019101520A1 (fr)	2019-05-31	Procédé, dispositif et produit-programme informatique de commande et/ou de régulation d'un système d'air de traitement
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EP3533930A1 (fr)	2019-09-04	Procédé de fourniture d'une dépression réglée dans au moins un tambour de séchage d'une installation de fabrication d'asphalte ainsi qu'une telle installation de fabrication d'asphalte
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WO2017060332A1 (fr)	2017-04-13	Dispositif de thermorégulation d'objets et procédé de commande d'un dispositif de thermorégulation d'objets
EP4343207A1 (fr)	2024-03-27	Four de cuisson avec régulation de la pression de la chambre de combustion
DE956618C (de)	1957-01-24	Vorrichtung zum Regeln der Muehlenlufttemperatur bei Dampferzeugern mit nachgeschalteten Lufterhitzern
DE102022111136A1 (de)	2023-11-09	Lüftungsanlage für Gebäude
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DE102018125706A1 (de)	2019-05-02	Klimatisierungseinrichtung zum Konditionieren eines in einem Zuluftkanal geführten Zuluftstroms

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EP3309294A1 - Systeme d'air de traitement - Google Patents

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