EP0711661A2 - Casier de rangement pour la préparation d'eau de mouillage - Google Patents

Casier de rangement pour la préparation d'eau de mouillage Download PDF

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Publication number
EP0711661A2
EP0711661A2 EP95114439A EP95114439A EP0711661A2 EP 0711661 A2 EP0711661 A2 EP 0711661A2 EP 95114439 A EP95114439 A EP 95114439A EP 95114439 A EP95114439 A EP 95114439A EP 0711661 A2 EP0711661 A2 EP 0711661A2
Authority
EP
European Patent Office
Prior art keywords
floor
refrigerant
conditioning
process water
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
EP95114439A
Other languages
German (de)
English (en)
Other versions
EP0711661B1 (fr
EP0711661A3 (fr
Inventor
Klaus Strobl
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.)
Baldwin Grafotec GmbH
Original Assignee
Baldwin Gegenheimer 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 Baldwin Gegenheimer GmbH filed Critical Baldwin Gegenheimer GmbH
Publication of EP0711661A2 publication Critical patent/EP0711661A2/fr
Publication of EP0711661A3 publication Critical patent/EP0711661A3/fr
Application granted granted Critical
Publication of EP0711661B1 publication Critical patent/EP0711661B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0054—Devices for controlling dampening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/32—Ducts, containers, or like supply devices for liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/003—General constructional features for cooling refrigerating machinery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the invention relates to an equipment cabinet for providing process water, in particular for printing presses, according to the preamble of claim 1.
  • a housing for providing dampening water for printing presses which is spatially divided into a lower area and an upper area.
  • a fountain solution treatment device is arranged in the lower area and a cooling unit and a device for creating an essentially upward exhaust air flow of cooling air from the housing is accommodated in the upper area.
  • the treatment device arranged in the lower housing area contains a conditioning container for the dampening water, a submersible pump immersed in it, an alcohol stabilizer for keeping the alcohol content in the dampening water constant, fresh water connection means for supplying fresh water to the conditioning container, and an automatic dosing device for the metered supply of a dampening solution concentrate to the supplied fresh water .
  • the cooling unit arranged in the upper housing area contains a refrigerant condenser, a fan for generating a cooling air flow along the refrigeration unit including its condenser, and a heat exchanger for heat exchange between the refrigerant and the treated fountain solution.
  • the cooling air is sucked in by the blower through a grille in the front of the housing into the upper housing area via one or more outlet openings provided on the top of the housing and blown upwards out of the housing.
  • the Housing has legs or castors.
  • the surface of a plate cylinder is moistened with "dampening water" at the points that have to be ink-repellent, while adjacent areas take on printing ink, in accordance with the desired print image.
  • the fountain solution essentially consists of fresh water, a certain proportion of alcohol and a certain proportion of at least one "additive" which gives the water the desired properties for the printing process.
  • the dampening water reaches the printing press in question via a supply line, where a part is applied to the plate cylinder and an excess part is returned to the conditioning tank via a return line.
  • the fountain solution can also be applied in the printing press to other cylinders or rollers or to the material to be printed in order to achieve certain properties.
  • fountain solution is only applied to a plate cylinder, but it has now been found that fountain solution, as mentioned above, can also be used to moisten other elements in a printing press, in particular also to moisten a blanket cylinder or an impression cylinder.
  • the object of the invention is to provide a device cabinet for providing process water, in particular dampening water or other liquids for printing presses, which is easier and more reliable to use.
  • the equipment cabinet according to the invention shown in the drawings contains a water conditioning device 2, a water temperature device 4 and a cooling air blower device 6.
  • the water conditioning device 2 contains at least one conditioning tank 8 in which the process water is conditioned with regard to its components and its temperature, the water level and the percentages Water components are kept constant.
  • the water temperature control device 4 for temperature control of the process water contains at least one refrigerant circuit 10, in which a compressor or compressor 12, a check valve 14, a refrigerant condenser 16, a refrigerant collector 18, a refrigerant expansion valve 20, a heat exchanger element 22 and then one after the other in the flow direction of the refrigerant again the compressor 12 are located.
  • the compressor 12 compresses refrigerant and thereby brings it from a gaseous to a liquid state.
  • the check valve 14 prevents refrigerant from flowing back from the refrigerant condenser 16 into the compressor 12. Refrigerant condenses in the refrigerant condenser 16.
  • the heat released in this process is dissipated upward by the cooling air blower device 6 from the equipment cabinet.
  • the cooling air blower device 6 draws air 23 from the outside atmosphere through a ventilation opening 24 in a front cabinet door 26 in the equipment cabinet and therein through the refrigerant condenser 16 or through passage openings formed therein, after which the heated air flows through the cooling air blower device 6 and is expelled from it according to an arrow 28 out of the equipment cabinet.
  • the equipment cabinet can be open at the top or can be provided with one or more ventilation openings. Condensed refrigerant can collect in the refrigerant collector 18.
  • the lines of the refrigerant circuit have a correspondingly large cross section, they can act as a collector and the collector 18 can be dispensed with.
  • the compressed refrigerant can expand in the expansion valve 20 arranged in front of the heat exchanger element 22. This creates cold, which is transmitted to the process water through a further heat exchanger element 32 through the flow of the heat exchanger element 22 which is arranged directly downstream of the expansion valve 20.
  • the two heat exchanger elements 22 and 32 together form a heat exchanger.
  • the heat exchanger element 32 through which the process water flows is located in a process water temperature control circuit 34 downstream of a temperature control circuit pump 36.
  • the temperature control circuit pump 36 conveys process water, in the present case dampening water, out of the conditioning tank 8, through the further heat exchanger element 32, and then again in the conditioning container 8 back.
  • the heat exchanger element 22 through which the refrigerant flows is immersed in the conditioning tank 8 in the process water and thus in direct contact with the process water, so that the further heat exchanger element 32 is then not required.
  • the cold water expansion valve 20 must be arranged as close as possible upstream of the heat exchanger element 22 through which the refrigerant flows and can therefore, in the above-mentioned further embodiment, either in the equipment cabinet below as in FIG. 1 or in the middle of the Appliance cabinet can be arranged close to the conditioning container 8.
  • the equipment cabinet consists of two housings and is divided into three levels 41, 42 and 43, one above the other.
  • the bottom tier 41 is separated from the middle tier 42 by the conditioning container 8, which is located in the middle tier 42 and is removably suspended in a housing frame 46 of a lower housing 48.
  • the lower tier 41 and the middle tier 42 are formed in the lower housing 48.
  • the top floor 43 is formed in an upper housing 50 and its housing frame 52, which sits detachably or releasably on the lower housing 48.
  • the outer walls of the two housings 48 and 50 are cursed.
  • the front of the two housings 48 and 50 can be closed by the housing door 26 common to them, which extends over the height of both housings.
  • the side walls of the two housings 48 and 50 are formed by sheets 51 on the housing frames 46 and 52.
  • the floor 54 between the middle floor 42 and the top floor 43 can be open or closed, wherein in the closed state there should be through openings for the passage of fluid lines of the refrigerant circuit 10 and for electrical lines.
  • the appliance cabinet is designed such that the air 23 sucked in by the cooling air blower device 6 from the outside atmosphere in the top floor 43 is sucked through the ventilation opening 24 formed in the top floor 43 in the cabinet door 26 essentially horizontally into the top floor 43 and there flows over or through the condenser 16 before it is then expelled from the top floor 43 through a ceiling opening 56 back into the outside atmosphere by the cooling air blower device 6 essentially vertically upward according to the arrow 28 in FIG. 1.
  • the cooling air blower device 6 and the coolant condenser 16 of the water temperature control device 4 are located on the top floor 43.
  • the coolant compressor 12 and the coolant collector 18 are located on the lowest floor 41.
  • the refrigerant expansion valve 20 and the two heat exchanger elements 22 and 32 as well as the check valve 14 arranged downstream of the compressor 12 are also located on the bottom floor.
  • the heavy parts such as compressor 12 and collector 18 are on the bottom floor.
  • the equipment cabinet has a low center of gravity and therefore good stability.
  • the equipment cabinet can thus be relatively light in weight because it does not require the stability required to carry these heavy parts.
  • the equipment cabinet preferably has no feet, so that the cabinet floor 58 of the lowest level 41 lies directly on the floor.
  • the conditioning tank 8, if it contains process water, is also heavy, but still at such a low height that the housing frame 46 of the lower housing 48 only has to be designed to be stable and heavy to this low height.
  • the conditioning tank 8 is at a level that allows an operator to conveniently inspect the contents of the tank, remove and reinsert the conditioning tank 8 as needed, and the electrical, hydraulic, or pneumatic necessary for conditioning the process water Check devices and measuring devices and to maintain, as well as to assemble or replace.
  • the conditioning container 8 is preferably arranged between the knee height and chest height of an operator of average size.
  • a metering device 60 for supplying fresh water, for example, via a fresh water line 62, additive via an additive line 64, and alcohol via an alcohol line 66 to the conditioning container 8 is located in the equipment cabinet on the middle floor 42, attached to the cabinet wall, depending on an electronic control device 68 , which is fastened in the middle level 42 on the inside of the cabinet door 26.
  • the supply or metering of fresh water, additive and alcohol takes place as a function of sensors which constantly measure the water level, the additive content and the alcohol content in the conditioning container 8 and report it to the electronic control device 68 and / or to the metering device 60.
  • 1 schematically shows a liquid level sensor 70, an alcohol sensor 72 and a sensor 74 for additives.
  • the dosing device 60 contains dosing devices and valves.
  • These containers 78 and 80 can be storage containers or containers from which the alcohol or the additive is conveyed from the metering device 60 into the conditioning container 8. Furthermore, in this free space 76 on the lowest floor 41 fresh water connection means 82, flow connection means 84 and return connection means 86 for the process water of the conditioning container 8 can be arranged.
  • the fresh water line 62 is connected to the fresh water connection means 82 via the metering device 60.
  • An external fresh water supply line can be connected to the latter.
  • a process water feed line 88 is connected to the feed connection means 84 and contains a pump 90 for conveying process water from the conditioning tank 8 via the flow connection means 84 to a consumer, for example a printing machine, not shown, and from this consumer or printing machine back to the return connection means 86, to which a return line 92 is connected, through which the process water into the conditioning tank 8 runs back, as far as the process water was not consumed by the consumer or the printing press.
  • the consumer or the printing press can be releasably connected to the flow connection means 84 and the return connection means 86 via two fluid lines.
  • the fountain solution is conveyed by means of the pump 90 from the equipment cabinet to a dampening tank of the printing press, from which a part is transferred to a printing plate cylinder and / or a rubber cylinder or to other parts of the printing press is promoted and an excess portion of the dampening water flows back into the equipment cabinet via an overflow of the dampening water tank.
  • the fountain solution tank of the printing machine is arranged higher than the conditioning tank 8, then the return flow of the excess fountain water from the fountain water tank via the return connection means 86 and the return line 92 into the conditioning tank 8 can be effected by gravity. If gravity is insufficient, an additional one Pump can be used in this line branch.
  • Such a process water circuit or dampening water circuit with an overflow dampening water tank on the printing press is an "open circuit". If the circuit is a "closed circuit", the pump 90 in the feed line 88 can be dimensioned such that its pressure is also sufficient for the return flow via the return line 92.
  • the consumer which is connected to the flow connection means 84 and the return connection means 86, forms an external process water circuit. Filters for the various liquids which are fed to the conditioning container 8 can be located in or on the conditioning container 8.
  • the process water can be dampening water or cooling water for a printing press or another machine. Examples of dampening water and cooling water for a printing press are known from DE laid-open specification 42 02 544 A1 and from EP 0 602 312 A1. These two documents show the preferred fields of application for a device cabinet according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Rotary Presses (AREA)
EP95114439A 1994-11-11 1995-09-14 Casier de rangement pour la préparation d'eau de mouillage Expired - Lifetime EP0711661B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4440380A DE4440380A1 (de) 1994-11-11 1994-11-11 Geräteschrank zur Bereitstellung von Prozeßwasser
DE4440380 1994-11-11

Publications (3)

Publication Number Publication Date
EP0711661A2 true EP0711661A2 (fr) 1996-05-15
EP0711661A3 EP0711661A3 (fr) 1996-10-23
EP0711661B1 EP0711661B1 (fr) 1998-06-17

Family

ID=6533104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114439A Expired - Lifetime EP0711661B1 (fr) 1994-11-11 1995-09-14 Casier de rangement pour la préparation d'eau de mouillage

Country Status (3)

Country Link
US (1) US5813247A (fr)
EP (1) EP0711661B1 (fr)
DE (2) DE4440380A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1092534A1 (fr) * 1999-10-16 2001-04-18 Baldwin Grafotec GmbH Armoire pour la distribution de fluide dans une machine à imprimer
DE10234232A1 (de) * 2002-07-27 2004-02-19 Baldwin Germany Gmbh Druckmaschinen-Zusatzgerät
EP1679186A2 (fr) 2004-12-30 2006-07-12 Baldwin Germany GmbH Rangement pour la distribution de fluides pour des machines d'impression offset

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607681B4 (de) * 1996-02-29 2009-07-09 Fogra Forschungsgesellschaft Druck E.V. Verfahren und Vorrichtung zur kontinuierlichen Messung und Regelung der Zusammensetzung einer Feuchtmittellösung für den Offsetdruck
DE10133901B4 (de) * 2000-07-12 2005-03-17 Baldwin Germany Gmbh Druckmaschinen-Flüssigkeitsversorgungsgerät
DE102008036755A1 (de) 2008-08-07 2010-02-11 Baldwin Germany Gmbh Schaltschrank
CN104084357B (zh) * 2014-07-14 2016-04-27 马军 热泵与分子筛吸附转轮联合循环有机溶剂回收装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101888U1 (de) 1990-07-04 1991-05-08 Technotrans Böhnensieker GmbH, 4414 Sassenberg Vorrichtung zur Bereitstellung von Prozesswasser für Druckmaschinen
DE4202544A1 (de) 1992-01-30 1993-08-05 Baldwin Gegenheimer Gmbh Druckplatten-temperierungssystem fuer eine druckmaschine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7517192U (fr) * 1975-11-06 Huber Peter
DE2745741B2 (de) * 1976-10-15 1981-04-16 Nikkei Shoji Co., Ltd., Tokyo Verfahren und Vorrichtung zur Regulierung des in nach dem lithographischen Verfahren arbeitenden Druckmaschinen verwendeten Feuchtwassers
CH655690B (fr) * 1982-05-19 1986-05-15
IT1180802B (it) * 1984-08-01 1987-09-23 Web Italia Srl Impianto per l alimentazione continua della soluzione di bagnatura nei processi di stampa offset
US4854726A (en) * 1986-05-29 1989-08-08 Hughes Aircraft Company Thermal stress screening system
DE3727298A1 (de) * 1987-08-17 1989-03-02 Binder Peter Michael Klimaschrank
DE3818321A1 (de) * 1988-05-30 1989-12-07 Heraeus Voetsch Gmbh Klimapruefkammer
US5197537A (en) * 1988-06-20 1993-03-30 Kanto Seiki Co., Ltd. Apparatus for controlling temperature of machine tool
US5097669A (en) * 1991-02-11 1992-03-24 Westinghouse Electric Corp. Control of hydrogen cooler employed in power generators
US5189960A (en) * 1991-11-18 1993-03-02 Fredric Valentini Apparatus and method for controlling temperature of printing plate on cylinder in rotary press
DE4307732A1 (de) * 1993-03-11 1994-09-15 Baldwin Gegenheimer Gmbh Temperierungsvorrichtung für Rotationskörper in Druckwerken
DE9316932U1 (de) * 1993-11-05 1993-12-16 Man Roland Druckmaschinen Ag, 63069 Offenbach Druckwerk für wasserlosen Offsetdruck

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101888U1 (de) 1990-07-04 1991-05-08 Technotrans Böhnensieker GmbH, 4414 Sassenberg Vorrichtung zur Bereitstellung von Prozesswasser für Druckmaschinen
DE4202544A1 (de) 1992-01-30 1993-08-05 Baldwin Gegenheimer Gmbh Druckplatten-temperierungssystem fuer eine druckmaschine
EP0602312A1 (fr) 1992-01-30 1994-06-22 Baldwin-Gegenheimer GmbH Système de refroidissement pour machines d'impression

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1092534A1 (fr) * 1999-10-16 2001-04-18 Baldwin Grafotec GmbH Armoire pour la distribution de fluide dans une machine à imprimer
DE10234232A1 (de) * 2002-07-27 2004-02-19 Baldwin Germany Gmbh Druckmaschinen-Zusatzgerät
DE10234232B4 (de) * 2002-07-27 2006-01-26 Baldwin Germany Gmbh Druckmaschinen-Zusatzgerät
EP1679186A2 (fr) 2004-12-30 2006-07-12 Baldwin Germany GmbH Rangement pour la distribution de fluides pour des machines d'impression offset
DE102004063790A1 (de) * 2004-12-30 2006-07-13 Baldwin Germany Gmbh Flüssigkeitsversorgungsschrank für Offset-Druckmaschinen

Also Published As

Publication number Publication date
US5813247A (en) 1998-09-29
DE59502585D1 (de) 1998-07-23
EP0711661B1 (fr) 1998-06-17
EP0711661A3 (fr) 1996-10-23
DE4440380A1 (de) 1996-05-15

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