EP0829693A1 - Verbesserungen an mit Dampf beheizten Riffelwalze - Google Patents

Verbesserungen an mit Dampf beheizten Riffelwalze Download PDF

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Publication number
EP0829693A1
EP0829693A1 EP97402100A EP97402100A EP0829693A1 EP 0829693 A1 EP0829693 A1 EP 0829693A1 EP 97402100 A EP97402100 A EP 97402100A EP 97402100 A EP97402100 A EP 97402100A EP 0829693 A1 EP0829693 A1 EP 0829693A1
Authority
EP
European Patent Office
Prior art keywords
condensate
steam
roller
outlet
chamber
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
EP97402100A
Other languages
English (en)
French (fr)
Other versions
EP0829693B1 (de
Inventor
Desiderio Garcia Jimenez
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.)
Tiruna SL
Original Assignee
Talleres Iruna SA
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 Talleres Iruna SA filed Critical Talleres Iruna SA
Publication of EP0829693A1 publication Critical patent/EP0829693A1/de
Application granted granted Critical
Publication of EP0829693B1 publication Critical patent/EP0829693B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/285—Heating or drying equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D11/00—Heat-exchange apparatus employing moving conduits
    • F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller

Definitions

  • rollers which must be heated to a certain temperature to ensure the effect that one wants to obtain with them.
  • This heating of the aforementioned rollers takes place in the technique conventional by introducing steam into an interior chamber thereof, so that the heating occurs by the condensation of saturated steam, which must be routed constantly during operation, so that the heat supply is continuous.
  • the interior chamber rollers is cylindrical in shape, so that the ring that the condensate defines by turning with the roller has a variable thickness, which increases from the exit point to the most distant points, since this ring forms a slope of displacement towards the exit, so that the transmission of the heat varies along the roll, since the above-mentioned condensate ring exerts an insulating function with regard to the transmission of heat from the vapor to the roller wall.
  • the improvements recommended apply to rollers with condensate outlet solution by existing conduits in one end of the inner chamber of the roller, with this peculiarity that, according to the above-mentioned improvements, a annular housing from which the aforementioned conduits leave while going towards the corresponding evacuation outlet.
  • a ring made up of different independent segments or sectors, which are arranged with a certain radial clearance in the abovementioned annular housing.
  • the interior chamber rollers is made with a certain taper, thanks to which it is established a drop in level which helps the condensate to reach the outlet area where it is located further provided a recess which acts as a drainage well for concentrate the condensate and facilitate its removal, so that when the roller is stopped, the condensate flows rapidly towards said drainage well; while that when the roller turns the thickness of the condensate ring which shape became uniform over the entire length of the chamber, with the effect that the transmission of heat from the vapor to the wall of the roller occurs identically in all respects.
  • an embodiment which includes an absorption system capable of recovering the vapor which escapes with the condensates, and a scanning system by means of which a impulse of the condensate towards the evacuation zone, thus facilitating elimination of it.
  • the vapor recovery absorption system is implemented by means of a nozzle incorporated into the steam inlet into the chamber of the roller, however that near the outlet of said nozzle, there are openings communicating with conduits which extend to the rear of the condensate drain outlet.
  • the condensate pulse system to the drain outlet is made on its side by means of the arrangement of a series of outlet nozzles steam in the heating chamber, distributed over the lower part of a tube located axially in the chamber, and directed in inclined positions toward the end where the condensate drain outlet is located.
  • Figure 1 shows a longitudinal section of the assembly of a roller according to the invention.
  • Figure 2 shows an enlarged detail corresponding to the positioning of the upper part of the compound ring, incorporated on the condensate outlet holes when the roller is stopped.
  • Figure 3 is a detail like the previous one, which corresponds to positions of the same upper part of the compound ring, when the roller rotates at operating speed.
  • Figure 4 is a detail which corresponds to the lower part of the ring compound, when the roller is stopped.
  • Figure 5 is a detail that corresponds to the situation of the game aforementioned low of the compound ring, when the roller turns in operation.
  • Figure 6 is a side view of one of the segments or sectors partial of the above-mentioned compound ring.
  • Figure 7 is a partial sectional view of the end part of a roller where the steam inlet is located according to another possible embodiment.
  • Figures 8, 9 and 10 show different possibilities for positioning in which the compound ring can be in relation at the condensate outlet ports, when the roller stops.
  • Figure 11 shows the longitudinal section of an equipped roller steam recovery and condensate pulse systems.
  • Figure 12 is an enlarged partial view corresponding to the section of the extreme part of the roller by which steam is introduced, in accordance with the previous achievement.
  • FIG. 13 is a view of the cross section of the roller, in accordance with the indication indicated in the previous figure.
  • the object of the invention relates to improvements made the inverter rolls that are used, for example, for the production of cardboard corrugated, in which the heating required for the function to be performed is carried out by introducing steam into a chamber 1 defined axially at the interior of the body 2 of the aforementioned rollers, however it is necessary to extract the condensate that forms in this heating action to avoid an obstacle preventing the transmission of heat to the body 2 of the roller during rotary operation and deformation thereof during shutdowns due to the difference in heat transmission produced by the vapor and condensate in the areas with which they are in contact.
  • annular recess in this communication between the chamber 5 of condensate outlet and the heating chamber 1, an annular recess is formed, which we will call housing 7, up to which the conduits 6, said housing 7 being in communication with room 1 by means of other conduits 8.
  • These conduits 8 could be replaced by an annular groove continuous defined between this hollow 7 and the extreme periphery of the chamber 1.
  • a ring 9 formed at through various segments or sectors such as those shown in Figure 6.
  • said ring 9 is formed at by means of three independent sectors, as can be seen in Figures 8, 9 and 10 but without this excluding the possibility of realization with any other number of sectors.
  • the aforementioned ring 9 is moreover arranged with a certain radial clearance in the housing 7, so that, when the roller is stopped, the sectors components of the ring 9 which are in the upper part fall under the effect of their own weight and by the action of gravity on the bottom of said housing 7, thereby closing the conduits 6 on which they are coincident, as shown in Figure 2; while the sector or sectors which are found in the lower part remain in the most radial position outside, without blocking the corresponding conduits 6, as shown in the figure 4.
  • Chamber 1 inside the rollers is on its side formed with a certain taper widening towards the condensate outlet zone where, in addition, there is a recess 12 serving as a drainage well to concentrate the condensate in the desired way to facilitate drainage.
  • This conicity of the chamber 1 also has the effect that, during the rotary operation, the thickness of the condensation ring that forms thanks to the centrifugal force and under the effect of the rotation, is of a thickness uniform along the entire chamber 1 so that heat transmission heating steam to the body 2 of the roller occurs identically in all points, thus avoiding differences in temperature over the length of the roller and the consequences of distortion and malfunction for this roll.
  • the condensate outlet conduits 6 can be defined in the shaft part 4 itself in which is included the tube 3 for the inlet of steam heating, as shown in Figure 1; however within the limits of very principle of the invention, provision is also made for a possible embodiment based on the formation of the aforesaid conduits 6 through an attached disc 13 which is mounted on a tubular rod 14, also attached as shown in FIG. 7, the annular housing 7 intended for mounting the compound ring 9 being in this case defined in the periphery of said disc 13.
  • a nozzle 15 is included in the inlet of the steam from heating in room 1, while in the fixed interior part 16 of the roller rotation bearing 2 in which an opening is formed lower 17 for the condensate outlet, are further defined in the upper part, longitudinal conduits 18 which open out through openings 19 near the outlet of the nozzle 15.
  • a deflector 20 which closes the pipe 5 evacuation of the condensate, which is formed around the conduit 3 of introduction steam leaving in this pipe 5 only a lower passage by which the liquid condensate can leave for its evacuation while the vapor, which tends to rise, meets the deflector 20 without being able to continue its path to the outside, since it is instead driven inward to through the conduits 18 under the effect of the absorption of the "Venturi".
  • the entry of the steam supply into chamber 1 is further extended from the nozzle 15 by means of a tube 21 which extends axially to the other end where it attaches to a support 22, however that are incorporated, distributed over the length of said tube 21, a series of nozzles 23 directed downwards and sloping backwards.
  • the entry of steam into the chamber 1 therefore occurs in projection through the aforementioned nozzles 23, in giving rise to a blowing sweep which favors the displacement of condensates towards the drainage 12 for the evacuation, obtaining at the same time as the condensate residue which, in the lower part, tends to remain on the wall of chamber 1 during stops, under the effect of the tension between liquid and solid, are also driven towards the exit, which avoids the effects detrimental to these residues.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP19970402100 1996-09-12 1997-09-10 Dampf beheizte Riffelwalze Expired - Lifetime EP0829693B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9601937 1996-09-12
ES9601937A ES2131450B1 (es) 1996-09-12 1996-09-12 Perfeccionamientos en rodillos corrugadores calentados mediante vapor.

Publications (2)

Publication Number Publication Date
EP0829693A1 true EP0829693A1 (de) 1998-03-18
EP0829693B1 EP0829693B1 (de) 2001-11-28

Family

ID=8296018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970402100 Expired - Lifetime EP0829693B1 (de) 1996-09-12 1997-09-10 Dampf beheizte Riffelwalze

Country Status (3)

Country Link
EP (1) EP0829693B1 (de)
DE (1) DE69708563T2 (de)
ES (1) ES2131450B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1240989A1 (de) * 2001-03-16 2002-09-18 Illig, Adolf Maschinenbau GmbH & Co. Heizwalze für eine Heizeinrichtung zum Erwärmen einer Folienbahn aus thermoplastischem Kunststoff
CN106945347A (zh) * 2017-04-19 2017-07-14 云南全心包装印刷有限公司 一种稳定节能的蒸汽压辊及应用其的蒸汽节能循环系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006011115U1 (de) * 2006-07-17 2007-12-06 Hödl, Alois Kondensatrückführung in geschlossenen Dampfanlagen, insbesondere zur Beheizung von Riffelwalzen für die Wellpappenherstellung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1575249A (en) * 1923-12-15 1926-03-02 Beloit Iron Works Apparatus for removing condensate from revolving driers
EP0559556A1 (de) * 1992-03-02 1993-09-08 Manuel Torres Martinez Vorrichtung zur Herstellung von Wellpappe
DE4343172C1 (de) * 1993-12-17 1995-01-12 Kleinewefers Gmbh Beheizbare Walze
EP0657275A1 (de) * 1993-12-08 1995-06-14 BHS Corrugated Maschinen- und Anlagenbau GmbH Riffelwalze für die Herstellung von Wellpappe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2070726B1 (es) * 1993-03-24 1998-11-16 Torres Martinez M Rodillo ondulador de papel para carton ondulado.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1575249A (en) * 1923-12-15 1926-03-02 Beloit Iron Works Apparatus for removing condensate from revolving driers
EP0559556A1 (de) * 1992-03-02 1993-09-08 Manuel Torres Martinez Vorrichtung zur Herstellung von Wellpappe
EP0657275A1 (de) * 1993-12-08 1995-06-14 BHS Corrugated Maschinen- und Anlagenbau GmbH Riffelwalze für die Herstellung von Wellpappe
DE4343172C1 (de) * 1993-12-17 1995-01-12 Kleinewefers Gmbh Beheizbare Walze

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1240989A1 (de) * 2001-03-16 2002-09-18 Illig, Adolf Maschinenbau GmbH & Co. Heizwalze für eine Heizeinrichtung zum Erwärmen einer Folienbahn aus thermoplastischem Kunststoff
US6953420B2 (en) 2001-03-16 2005-10-11 Adolf Illig Maschinenbau Gmbh & Co. Heated roller for a heating device for warming a film strip comprising thermoplastic plastic
CN106945347A (zh) * 2017-04-19 2017-07-14 云南全心包装印刷有限公司 一种稳定节能的蒸汽压辊及应用其的蒸汽节能循环系统
CN106945347B (zh) * 2017-04-19 2023-08-18 云南全心包装印刷有限公司 一种稳定节能的蒸汽压辊及应用其的蒸汽节能循环系统

Also Published As

Publication number Publication date
EP0829693B1 (de) 2001-11-28
ES2131450B1 (es) 2000-03-01
DE69708563T2 (de) 2002-08-29
DE69708563D1 (de) 2002-01-10
ES2131450A1 (es) 1999-07-16

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