EP0468867A1 - Vorrichtung zum Trocknen mit einem System für die Verhütung von Bränden - Google Patents

Vorrichtung zum Trocknen mit einem System für die Verhütung von Bränden Download PDF

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Publication number
EP0468867A1
EP0468867A1 EP91402024A EP91402024A EP0468867A1 EP 0468867 A1 EP0468867 A1 EP 0468867A1 EP 91402024 A EP91402024 A EP 91402024A EP 91402024 A EP91402024 A EP 91402024A EP 0468867 A1 EP0468867 A1 EP 0468867A1
Authority
EP
European Patent Office
Prior art keywords
steam
radiant
hood
spraying
water
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
EP91402024A
Other languages
English (en)
French (fr)
Other versions
EP0468867B1 (de
Inventor
Patrick Lenoir
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.)
Solaronics SAS
Original Assignee
Solaronics SAS
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 Solaronics SAS filed Critical Solaronics SAS
Publication of EP0468867A1 publication Critical patent/EP0468867A1/de
Application granted granted Critical
Publication of EP0468867B1 publication Critical patent/EP0468867B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/009—Alarm systems; Safety sytems, e.g. preventing fire and explosions
    • 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
    • D21F5/001—Drying webs by radiant heating
    • D21F5/002—Drying webs by radiant heating from infrared-emitting elements

Definitions

  • the present invention relates to drying equipment comprising a battery of radiant burners for drying a sheet material traveling past a radiant surface formed by the radiant burners, a suction hood and a blowing hood arranged on either side of the battery of radiant burners in the direction of travel of the sheet material to delimit a volume between the radiant surface, the surface of the sheet material to be dried and the hoods.
  • Fires can be caused by two sets of causes.
  • radiant burners are equipped with cells that detect the change in energy caused by the appearance of a flame and trigger a water spray system.
  • the response time of such a system is approximately 0.2 seconds.
  • the present invention relates to drying equipment comprising a battery of radiant burners for drying a sheet material moving past a radiant surface formed by the radiant burners, a suction hood and a blowing hood arranged on either side. other of the battery of radiant burners in the direction of travel of the sheet material to delimit a volume between the radiant surface, the surface of the sheet material to be dried and the hoods, and a spray system for emitting a flow of vapor for preventing a fire, characterized in that the spraying system consists of a sprayer boom arranged to emit, during a cycle of spraying, the flow of vapor directly into said volume in response to a detection of the sheet material passing through to prevent a fire.
  • the vapor is not polluting and does not risk damaging the paper or other moving and drying material.
  • the integration of the vapor ramps in the infrared system makes it possible to concentrate a jet of vapor where it is needed, namely between the radiant plates and the surface to be treated.
  • the required flow rates are lower than the flow rates relating to the devices of the prior art with regard to water.
  • the sprayer boom is arranged in the lower part of the hood of the suction hood where the temperature is above 130 ° C.
  • the sprayer boom is arranged in the lower part of the hood of the suction hood where the temperature is above 130 ° C.
  • Figure 1 is a front view of a radiant burner of the closed type and equipped in accordance with the invention.
  • FIG. 2 is a diagram relating to the regulation of steam
  • Figure 3 is a graph showing the cycle of a spraying of the steam / water mixture.
  • FIG. 1 therefore represents, in front view, a radiant burner of the type closed by an upper cover 1 and equipped with two side hoods, namely a suction hood 2 and a blowing hood 3.
  • the supply of combustion air and fresh air is via the central duct 4 which has lower orifices intended for evacuation fresh air and the air / gas mixture is made in the mixers 5 supplying the active parts 6 of the radiant burner.
  • the characteristic of this device is to include a vapor spraying ramp 7 integrated in the cover of the radiant burner and arranged in the case shown in a lower part of the suction hood 2.
  • the vapor sprayed by the ramp 7 is shown diagrammatically at 8 in FIG. 1.
  • the ramps 16 are automatically activated.
  • this stoppage can be caused by a break in the paper and first of all the ramp sends a flow of vapor to which is mixed, a few seconds later, a certain amount of water.
  • an automatic control system sends into a set of spray bars 7, a vapor flow to which water is added; preferably, the steam corresponds for 1 kg to 1.6 m3 of steam at atmospheric pressure.
  • the cycle is fully automated by automated management. Steam, unlike water, does not pollute the surface of the paper. As can be seen in Figure 3, the automatic cycle is 15 seconds, but there is also a manual push button that keeps the system running if necessary.
  • FIG. 2 schematically represents the device for supplying steam and water to the spray bars 7.
  • the steam control circuit and its mixture with water is shown in Figure 2. Air is sent to a pressure of about 6 bars in the steam which is at a minimum pressure of 3 bars. This pressurized steam passes through a desuperheating pipe 10 where the water circuit also terminates under a pressure of approximately 5 bars. The steam / water mixture can then be sent to the spray bars 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Paper (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Cell Separators (AREA)
  • Primary Cells (AREA)
EP91402024A 1990-07-23 1991-07-19 Vorrichtung zum Trocknen mit einem System für die Verhütung von Bränden Expired - Lifetime EP0468867B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009388A FR2664917B1 (fr) 1990-07-23 1990-07-23 Systeme de prevention d'incendie pour batterie de bruleurs radiants
FR9009388 1990-07-23

Publications (2)

Publication Number Publication Date
EP0468867A1 true EP0468867A1 (de) 1992-01-29
EP0468867B1 EP0468867B1 (de) 1994-12-07

Family

ID=9399002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402024A Expired - Lifetime EP0468867B1 (de) 1990-07-23 1991-07-19 Vorrichtung zum Trocknen mit einem System für die Verhütung von Bränden

Country Status (7)

Country Link
US (1) US5197203A (de)
EP (1) EP0468867B1 (de)
JP (1) JP2951761B2 (de)
AT (1) ATE115212T1 (de)
DE (1) DE69105657T2 (de)
ES (1) ES2067888T3 (de)
FR (1) FR2664917B1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2928432B2 (ja) * 1993-02-16 1999-08-03 東京エレクトロン株式会社 半導体ウエハの蒸気乾燥装置及びその消火方法及び洗浄システム
JP2731827B2 (ja) * 1995-04-14 1998-03-25 日本ボールドウィン株式会社 ウェブ乾燥装置
US5675912A (en) * 1996-03-25 1997-10-14 Beloit Technologies, Inc. Safety method for a drying system
US7007172B2 (en) * 2001-06-01 2006-02-28 Microchip Technology Incorporated Modified Harvard architecture processor having data memory space mapped to program memory space with erroneous execution protection
US6505418B1 (en) * 2001-08-15 2003-01-14 American Dryer Corporation Apparatus and method for a clothing dryer having a fire protection system
KR100556503B1 (ko) * 2002-11-26 2006-03-03 엘지전자 주식회사 건조기의 건조 시간제어 방법
CA2521134A1 (en) * 2003-04-01 2004-10-21 Radiant Optics, Inc. Radiant energy source systems, devices and methods
US7116900B2 (en) * 2003-04-01 2006-10-03 Radiant Optics, Inc. Radiant energy source systems, devices, and methods capturing, controlling, or recycling gas flows
EP1721109B1 (de) * 2004-03-02 2012-04-18 Solaronics S.A. Infrarottrockneranlage für passierende bahn
FR2867263B1 (fr) * 2004-03-02 2006-05-26 Solaronics Irt Installation de sechage pour une bande defilante, notamment pour une bande de papier
DE102010028778A1 (de) * 2010-05-07 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit einem Brandschutzmedium
CN112539634B (zh) * 2020-12-02 2022-03-01 蚌埠大美印务有限公司 一种瓦楞纸板风干装置
CN114526595B (zh) * 2022-03-17 2022-10-04 湖南亿胜新材料有限公司 一种低介电常数硅微粉的制备装置及制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731732A (en) * 1953-05-19 1956-01-24 Crown Zellerbach Corp Apparatus and method for setting and drying moisture settable ink
FR2532733A1 (fr) * 1982-09-08 1984-03-09 Infraroedteknik Ab Procede et dispositif pour le traitement thermique d'une piece ou bande continue
DE3809615C1 (de) * 1988-03-22 1989-04-27 H. Krantz Gmbh & Co, 5100 Aachen, De

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292794A (en) * 1938-07-05 1942-08-11 Raymond P Paradise Method of fire extinguishing
US2283775A (en) * 1940-10-17 1942-05-19 Factory Mutual Res Corp Fire extinguishing method and apparatus
US4658716A (en) * 1985-04-12 1987-04-21 Measurex Corporation Infrared heating calender roll controller
US4653396A (en) * 1985-05-07 1987-03-31 Measurex Corporation Recirculating air calender roll controller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731732A (en) * 1953-05-19 1956-01-24 Crown Zellerbach Corp Apparatus and method for setting and drying moisture settable ink
FR2532733A1 (fr) * 1982-09-08 1984-03-09 Infraroedteknik Ab Procede et dispositif pour le traitement thermique d'une piece ou bande continue
DE3809615C1 (de) * 1988-03-22 1989-04-27 H. Krantz Gmbh & Co, 5100 Aachen, De

Also Published As

Publication number Publication date
FR2664917B1 (fr) 1996-07-12
JP2951761B2 (ja) 1999-09-20
ES2067888T3 (es) 1995-04-01
JPH05132888A (ja) 1993-05-28
EP0468867B1 (de) 1994-12-07
US5197203A (en) 1993-03-30
DE69105657D1 (de) 1995-01-19
ATE115212T1 (de) 1994-12-15
FR2664917A1 (fr) 1992-01-24
DE69105657T2 (de) 1995-05-04

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