UTILISATION OF WASTE HEAT IN THE DRYER SECTION OF PAPER MACHINES

The present invention relates to a process and a device for utilization of waste heat from a high-temperature hood in the dryer section of a paper machine. Here, the waste heat from the high-temperature hood is applied to the waste steam and the condensate, respectively, from a steam system by means...

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Hauptverfasser:	GISSING, KLAUS, PROMITZER, WOLFGANG
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METHODS OF PRODUCING PAPER THEREON OVENS PAPER-MAKING PAPER-MAKING MACHINES PRODUCTION OF CELLULOSE RETORTS TEXTILES WEAPONS
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creator	GISSING, KLAUS PROMITZER, WOLFGANG
description	The present invention relates to a process and a device for utilization of waste heat from a high-temperature hood in the dryer section of a paper machine. Here, the waste heat from the high-temperature hood is applied to the waste steam and the condensate, respectively, from a steam system by means of a heat exchanger, thus improving utilization of the energy contained in the exhaust air from a high-temperature hood. Known heat recovery processes have the disadvantage that the condensate fed through the heat exchanger must always be measured such that the condensate is guaranteed to evaporate completely. The present invention provides an improved heat recovery process that is easier to regulate, because the condensate does not evaporate in the heat exchanger. La présente invention porte sur un procédé et un dispositif permettant d'utiliser la chaleur résiduelle d'une hotte haute température dans le cylindre sécheur d'une machine à papier. Ici, la chaleur résiduelle de la hotte haute température est appliquée à la vapeur résiduelle et au condensat, respectivement, d'un appareil à vapeur au moyen d'un échangeur de chaleur, ce qui permet d'améliorer l'utilisation de l'énergie contenue dans l'air sortant de la hotte haute température. Les procédés connus de récupération de chaleur ont le désavantage que le condensat entrant dans l'échangeur de chaleur doit toujours être mesuré de sorte que le condensat s'évaporera complètement. La présente invention offre un procédé amélioré de récupération de chaleur qui est plus facile à réguler parce que le condensat ne s'évapore pas dans l'échangeur de chaleur.
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Here, the waste heat from the high-temperature hood is applied to the waste steam and the condensate, respectively, from a steam system by means of a heat exchanger, thus improving utilization of the energy contained in the exhaust air from a high-temperature hood. Known heat recovery processes have the disadvantage that the condensate fed through the heat exchanger must always be measured such that the condensate is guaranteed to evaporate completely. The present invention provides an improved heat recovery process that is easier to regulate, because the condensate does not evaporate in the heat exchanger. La présente invention porte sur un procédé et un dispositif permettant d'utiliser la chaleur résiduelle d'une hotte haute température dans le cylindre sécheur d'une machine à papier. Ici, la chaleur résiduelle de la hotte haute température est appliquée à la vapeur résiduelle et au condensat, respectivement, d'un appareil à vapeur au moyen d'un échangeur de chaleur, ce qui permet d'améliorer l'utilisation de l'énergie contenue dans l'air sortant de la hotte haute température. Les procédés connus de récupération de chaleur ont le désavantage que le condensat entrant dans l'échangeur de chaleur doit toujours être mesuré de sorte que le condensat s'évaporera complètement. La présente invention offre un procédé amélioré de récupération de chaleur qui est plus facile à réguler parce que le condensat ne s'évapore pas dans l'échangeur de chaleur.</description><language>eng ; fre</language><subject>BLASTING ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; DRYING ; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM ; FURNACES ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; METHODS OF PRODUCING PAPER THEREON ; OVENS ; PAPER-MAKING ; PAPER-MAKING MACHINES ; PRODUCTION OF CELLULOSE ; RETORTS ; TEXTILES ; WEAPONS</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150818&DB=EPODOC&CC=CA&NR=2649284C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150818&DB=EPODOC&CC=CA&NR=2649284C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GISSING, KLAUS</creatorcontrib><creatorcontrib>PROMITZER, WOLFGANG</creatorcontrib><title>UTILISATION OF WASTE HEAT IN THE DRYER SECTION OF PAPER MACHINES</title><description>The present invention relates to a process and a device for utilization of waste heat from a high-temperature hood in the dryer section of a paper machine. Here, the waste heat from the high-temperature hood is applied to the waste steam and the condensate, respectively, from a steam system by means of a heat exchanger, thus improving utilization of the energy contained in the exhaust air from a high-temperature hood. Known heat recovery processes have the disadvantage that the condensate fed through the heat exchanger must always be measured such that the condensate is guaranteed to evaporate completely. The present invention provides an improved heat recovery process that is easier to regulate, because the condensate does not evaporate in the heat exchanger. La présente invention porte sur un procédé et un dispositif permettant d'utiliser la chaleur résiduelle d'une hotte haute température dans le cylindre sécheur d'une machine à papier. Ici, la chaleur résiduelle de la hotte haute température est appliquée à la vapeur résiduelle et au condensat, respectivement, d'un appareil à vapeur au moyen d'un échangeur de chaleur, ce qui permet d'améliorer l'utilisation de l'énergie contenue dans l'air sortant de la hotte haute température. Les procédés connus de récupération de chaleur ont le désavantage que le condensat entrant dans l'échangeur de chaleur doit toujours être mesuré de sorte que le condensat s'évaporera complètement. 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Here, the waste heat from the high-temperature hood is applied to the waste steam and the condensate, respectively, from a steam system by means of a heat exchanger, thus improving utilization of the energy contained in the exhaust air from a high-temperature hood. Known heat recovery processes have the disadvantage that the condensate fed through the heat exchanger must always be measured such that the condensate is guaranteed to evaporate completely. The present invention provides an improved heat recovery process that is easier to regulate, because the condensate does not evaporate in the heat exchanger. La présente invention porte sur un procédé et un dispositif permettant d'utiliser la chaleur résiduelle d'une hotte haute température dans le cylindre sécheur d'une machine à papier. Ici, la chaleur résiduelle de la hotte haute température est appliquée à la vapeur résiduelle et au condensat, respectivement, d'un appareil à vapeur au moyen d'un échangeur de chaleur, ce qui permet d'améliorer l'utilisation de l'énergie contenue dans l'air sortant de la hotte haute température. Les procédés connus de récupération de chaleur ont le désavantage que le condensat entrant dans l'échangeur de chaleur doit toujours être mesuré de sorte que le condensat s'évaporera complètement. La présente invention offre un procédé amélioré de récupération de chaleur qui est plus facile à réguler parce que le condensat ne s'évapore pas dans l'échangeur de chaleur.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METHODS OF PRODUCING PAPER THEREON OVENS PAPER-MAKING PAPER-MAKING MACHINES PRODUCTION OF CELLULOSE RETORTS TEXTILES WEAPONS
title	UTILISATION OF WASTE HEAT IN THE DRYER SECTION OF PAPER MACHINES
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