WO2019207005A1 - Refroidisseur de prise d'eau de mer et procédé de revêtement de tuyau de refroidisseur de prise d'eau de mer - Google Patents

Refroidisseur de prise d'eau de mer et procédé de revêtement de tuyau de refroidisseur de prise d'eau de mer Download PDF

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Publication number
WO2019207005A1
WO2019207005A1 PCT/EP2019/060533 EP2019060533W WO2019207005A1 WO 2019207005 A1 WO2019207005 A1 WO 2019207005A1 EP 2019060533 W EP2019060533 W EP 2019060533W WO 2019207005 A1 WO2019207005 A1 WO 2019207005A1
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WO
WIPO (PCT)
Prior art keywords
fluid
coating
tubes
flowable
sea chest
Prior art date
Application number
PCT/EP2019/060533
Other languages
German (de)
English (en)
Inventor
Hermann LEBEN
Original Assignee
Säkaphen 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 Säkaphen Gmbh filed Critical Säkaphen Gmbh
Publication of WO2019207005A1 publication Critical patent/WO2019207005A1/fr

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Classifications

    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0206—Heat exchangers immersed in a large body of liquid
    • F28D1/022—Heat exchangers immersed in a large body of liquid for immersion in a natural body of water, e.g. marine radiators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/04—Preventing hull fouling
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0475—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2245/00—Coatings; Surface treatments

Definitions

  • the present invention relates to a method for sea chest radiator pipe coating. More particularly, the present invention relates to methods of making a coated sea chest refrigerator, the sea chest cooler comprising a plurality of fluid-flowable tubes, a fluid flow tube securing unit, at least one support plate, a mounting frame, a hood having at least one inlet and one outlet and at least one seal. Furthermore, the present invention relates to a sea chest cooler which has been produced by the process according to the invention.
  • Such a method and device are used in the coating of sea chest coolers or individual components of sea chest coolers in order to provide reliable protection against undesired infestation by microorganisms or other living beings, which has a negative influence on the heat exchange properties and durability have such components. It is of great importance that sea chest coolers in use are free of unwanted infestation.
  • the propulsion machines in particular the main engine, of ships of a smaller and medium design use, for example, sea chest cooler systems for the heat exchange of the cooling water systems, the sea chest coolers being surrounded by surrounded seawater.
  • the cooling of the cooling water takes place by utilizing the lower temperatures of the seawater.
  • the sea chest coolers can be arranged such that through openings in the outer shell of the ship, the seawater can penetrate into a so-called sea chest, in which the sea box coolers are embedded.
  • Sea chest cooler systems are robust cooling water systems that are based on a simple design. Sea chest cooler systems do not need a sea cooling water pump.
  • the heat exchanging sea chest coolers which are also known as tubular boilers, hang directly in the seawater and are continuously flowed through with seawater during the journey of the ship.
  • the radiators inside the fuselage are installed in boxes provided for this purpose, which are covered with perforated or slotted metal sheets according to the ship's contour.
  • the sea box is preferably designed so that a constant exchange with fresh seawater takes place, so that a continuous dissipation of the generated heat energy of the engine is done by the flow of seawater.
  • the flow of the seawater is from bottom to top, creating a density difference within the sea chest cooler, which favors the heat exchange within the sea chest cooler.
  • a further problem is the electrochemical corrosion of the radiator.
  • the material used for the radiator tubes is usually copper / zinc alloy, whereas the marine box and hull are generally carbon steel (C-steel). Due to the differences in the electrochemical series of the different metals, the water box would be destroyed due to electrochemical corrosion. To prevent this, the tubes are coated for insulation. Often, however, the coating is not uniform or has defects so that electrochemical corrosion is a problem despite the presence of the coating.
  • DE 199 21 433 C1 discloses a method and a device for preventing fouling in maritime boxes and seawater systems on ships.
  • the aforementioned document discloses short-term and regularly repeatable thermal overloads. heating the enclosed lake water by closing inlet and outlet slots of the sea chest.
  • a sea chest cooler with an anti-fouling system is known.
  • a vibration device is described, which should reduce the growth or infestation of the sea chest cooler by vibration.
  • DE 3123682 A1 is a special alloy of materials which is intended to counteract the adhesion and thus the contamination by undesired fouling with marine organisms.
  • a disadvantage is that the known methods or devices exclusively use predominantly environmentally harmful additives or complex technical systems which are expensive and maintenance-intensive and offer no reliable protective effect against infestation or electrochemical corrosion. If so far a coating of sea chest coolers, they are invariably coated as a whole unit, whereby a complex process is required, which is characterized by high time, personnel and material costs. Due to the different nature of the component, a uniform coating of the surface can not be guaranteed.
  • the object is achieved with a method mentioned at the outset, wherein the tubes through which fluid can flow are coated separately before being joined to the sea chest cooler.
  • the method according to the invention offers the advantage that the pipes through which fluid can flow have a uniform, homogeneous and completely circumferential coating due to the separate coating and therefore for the entire coating Surface of the tubes of the same quality is possible. It is therefore possible, without additional equipment, technical systems or environmentally harmful ingredients on the appropriate ships to provide protection against infestation. Furthermore, a simplified coating and qualitative verifiability of the entire layer thickness can be made due to the separate coating. Adverse or erroneous coating results can be easily identified by the given accessibility, as a result of downstream quality control, which increases the reliability of the coating used.
  • a preferred embodiment of the invention is characterized in that the coating of the fluid-flowable tubes by means of a hardening coating, in particular a powder or liquid coating, to form a uniform continuous layer, takes place.
  • a hardening coating in particular a powder or liquid coating
  • the choice of coating material can have a major impact on the processability as well as the quality and properties of the sea chest cooler.
  • An advantage of the uniform coherent layer is that it completely surrounds the tubes and prevents adhesion of undesired infestation through complete cross-linking of the coating.
  • the hardening coating is a hardening antifouling coating.
  • marine organisms which can range from bacteria, algae to mussels and barnacles, can be prevented or seriously reduced.
  • the material of the hardening antifouling coating contains biocide-free ingredients, in particular silicone-based ingredients or colloidal copper.
  • the size of the copper particles preferably moves in the nanometer range.
  • the coating takes place by means of a heat-shrinkable tube, that is to say a thermoplastic plastic tube which contracts greatly under the influence of heat.
  • a heat-shrinkable tube that is to say a thermoplastic plastic tube which contracts greatly under the influence of heat.
  • Suitable materials for the shrink tube are polyolefins, in particular polyethylene (PE), polyvinylidene fluoride (PVDF), polyvinyl chloride (PVC), polytetrafluoroethylene (PTFE) and in particular polyesters into consideration.
  • PE polyethylene
  • PVDF polyvinylidene fluoride
  • PVC polyvinyl chloride
  • PTFE polytetrafluoroethylene
  • the method according to the invention for producing the sea chest cooler preferably also comprises the following method steps:
  • Coating of the fluid-flowable tubes stabilization of the fluid-flowable tubes by means of the at least one support plate, joining the stabilized by the support plate fluid flowable tubes with the mounting unit to a heat exchanger and joining the heat exchanger, the mounting frame, the hood with at least one inlet and an outlet, the at least one seal and optionally other components to a sea chest cooler.
  • the separate implementation of the aforementioned method steps offers the advantage that a modular composition of the respective tubes can be made according to the desired requirements and dimensions.
  • the presence of a backing plate results in a reduction of vibration noise and counteracts possible damage to the coating during assembly.
  • a separate coating of the fluid-throughflowable tubes is made possible.
  • the separate coating of the fluid-flowable tubes comprises at least the following method steps: Providing the transformed fluid-throughflowable tubes,
  • a further preferred embodiment of the invention is characterized in that the cycle of the process steps of the separate coating of the fluid-flowable tubes is at least once and at most five times. In this way, even if the cycle of the process steps does not run exactly, it is ensured that a further execution of the method steps can be carried out during a subsequent quality control.
  • it is possible to actively act on the coating thickness for example, by repeatedly passing through the method steps, in order to increase this by repeatedly passing through the method steps.
  • a repeated running through the process steps has the advantage that a higher-quality coating is achieved. Since each additional cycle requires material and time, from a cost point of view, a maximum of five cycles is expedient, although further cycles are not exclusion reasons.
  • a further expedient embodiment of the invention provides that a plurality of pipes through which fluid can flow pass through the process steps of the separate coating at the same time. Due to the simultaneous passage of a plurality of fluid-flowable tubes, a simultaneous processing of several tubes can take place at the same time. As a result, higher throughputs can be achieved, but a separate coating and the associated advantages continue to exist the plurality of fluid-flowable tubes - if any - releasably connected to each other.
  • metal pipes in particular steel pipes, are used as pipes through which fluid can flow.
  • Metal especially steel, is useful as a raw material for the pipes, as this material allows for permanent use as well as coatings and is inexpensive.
  • a preferred embodiment of the invention is characterized in that the step of supplying the fluid-flowable tubes in a processing station is preceded by at least one processing step for pretreatment of the surface of the fluid funnelströmbaren tubes, in particular degreasing, sandblasting and / or chemical cleaning of the surface fluid-flowable tubes.
  • the pretreatment allows for the subsequent process steps better results in the adhesion and resistance of the adhering coating material. Possible unwanted and to remove fats, particles or residues on the pipes thus have no negative effect on the quality of the coating and thus on the pipes and the sea chest coolers.
  • a further preferred embodiment of the invention is characterized in that is used as at least one support plate of the sea chest cooler for supporting the fluid funnelström- ble pipes a support plate made of a material that is softer than the cured coating.
  • a support plate made of a material that is softer than the cured coating.
  • the at least one support plate can serve to absorb undesirable vibrations or oscillations within the sea chest cooler, thus avoiding damage to the pipes due to undesired contact.
  • the assembly of the individual tubes to the cooler takes place by receiving the tubes in the fastening unit (tubesheet). This is usually done by the tubes inserted through holes in the tubesheet, flush with the tube bottom deflected (flush cut) and are rolled to the wall of the holes.
  • the bore has an inner diameter which slightly larger than the outer diameter of the tubes.
  • the inner diameter of the bore is at least 1/20 greater than the outer diameter of the tubes, particularly advantageously the inner diameter of the bore is at least 1/15 larger than the outer diameter of the tubes, and most preferably the inner diameter of the bore is at least one / 10 larger than the outer diameter of the tubes.
  • cutting and rolling are performed in one operation.
  • the object is further achieved by the device mentioned at the outset, the sea chest cooler, which has been produced by a method having the features of one of the preceding preferred embodiments.
  • the individual components of the sea chest cooler are preferably detachably connected to one another, so that in the case of damage or maintenance of individual components, these can be removed individually.
  • a subsequent separate coating of the fluid-flow-through tubes can be carried out after the initial joining to the sea chest cooler.
  • FIG. 1 is a perspective view of the sea chest cooler according to the invention in an exploded view
  • FIG. 2 is a perspective view of the composite sea chest cooler shown in FIG. 1;
  • FIG. 3 is a schematic representation of a fluid-flowable tube
  • 4 is a schematic representation of a section of a fluid-flowable tube together with the coating
  • FIG. 3 is a schematic representation of a fluid-flowable tube
  • FIG. 5 is a perspective view of an installation option of the inventive sea chest cooler in a ship's hull.
  • the sea chest cooler comprises a plurality of fluid-flowable tubes 1 1, which are preferably present as a tube bundle 12 in sea chest coolers.
  • the fluid-throughflowable tubes 11 are received in a fastening unit 13 with a region of their open ends.
  • the recording takes place in that the open ends of the fluid-throughflowable tubes 1 1, which have an outer diameter, are received in provided recesses for the fluid-flowable tubes 11 in the fastening unit 13.
  • a secure reception takes place in that the outer diameter of the tubes 11 through which fluid can flow is selected to have the same or a slightly smaller diameter than the inner diameter of the recesses of the fastening unit.
  • the fluid-flowable tubes 11 are detachably received in the fastening unit 13.
  • the number of fluid-flow-through tubes 11 to be used can be in the range from 10 to 1000 individual fluid-flowable tubes 1 1, combined in a tube bundle 12. The appropriate number results from the technical requirements, in particular the desired cooling capacity, to the respective sea chest cooler.
  • the sea chest cooler 10 further comprises at least one support plate 14.
  • two support plates 14 are present.
  • the suitable number of support plates 14 depends on the one hand on the number of inserted fluid-throughflowable tubes 11 and on the other hand on the length of the fluid-throughflowable tubes 11.
  • the support plates 14 assume the task of stabilizing and aligning tion of the fluid-flowable tubes 1 1 and serve as defined spacers between the individual fluid-flowable tubes 1 1, so that a constant release of heat to the surrounding medium (seawater) of the sea chest cooler 10 can take place.
  • the sea chest cooler 10 further comprises a mounting frame 15, a hood 16, which in turn has at least one inlet 17 and an outlet 18, and at least one seal 19.
  • the mounting frame 15 is preferably releasably connected to the fastening device 13 and the hood 16. So that no unwanted discharge of the coolant used takes place, there is a respective seal 19 between the individual components to be connected.
  • the sea chest cooler 10 of Fig. 1 of the invention is illustrated in assembled condition.
  • the components according to the arrangement from FIG. 1 are preferably detachably connected to one another.
  • Suitable fasteners are used to connect the individual components, which can be selected in particular from screws, nuts, washers, rivets or the like.
  • the present sea chest cooler 10 in the assembled state makes it possible to use it as a heat exchanger, for example in a ship.
  • a device (not shown in the drawing), with which the sea chest cooler 10 can be positioned by means of a lifting device, is placed on the hood 16.
  • the individual components of the sea chest cooler 10 are preferably detachably connected to each other, so that in case of damage or maintenance of individual components, these can be removed individually.
  • a subsequent separate coating of the fluid-flowable tubes 11 can be carried out after the first-time assembly into the sea chest cooler 10.
  • a fluid-flowable tube 11 In a sea chest cooler 10 there are a plurality of fluid-flowable tubes 11, which can be combined as tube bundles 12.
  • the fluid-flowable pipe 11 shown in FIG. 3 has a U-shaped section 20 and two free ends 21.
  • the formation of the U-shaped portion 20 is influenced by the radius (R), wherein the radius (R) according to the desired technical and design requirements of the Sea box cooler 10 can be selected arbitrarily.
  • the dimensions of the fluid-flowable tubes 11 are determined by the desired flow rates and the size of the components of the sea chest cooler.
  • the parameters of the pipe diameter (d), the pipe length (I) and the pipe spacing (a) are used for the corresponding dimensioning of the pipes 11 of the sea chest cooler which can be flowed through by fluid.
  • the corresponding parameters can be freely selected according to the desired conditions on the sea chest cooler 10.
  • FIG. 4 shows a schematic representation of a section of a pipe 1 1 through which fluid can flow in different coating states.
  • a section 22 of the fluid-throughflowable tube 11 can be taken, in which the tube is in the raw state.
  • the material, the pipe diameter and the thickness of the pipe wall are adjusted according to the requirements of the prevailing pressure, the flow rate and the durability of the sea chest cooler 10.
  • first of all a processing step for pretreatment of the surface takes place.
  • FIG. 4 shows a first coating section with a first coating
  • the second coating 24 is thereby produced with the same process sequence as the first coating 23.
  • a processing step for pretreatment of the surface may first take place before the coating processes according to the process of the invention.
  • the first and second coating sections are each to be understood as having a coating 23, 24 which is suitable for producing a homogeneous, corrosion-resistant, durable and as smooth as possible surface.
  • the coating operations for coating the fluid-flowable tube 1 1 are made according to the inventive method in different processing steps.
  • the first coating 23 is arranged directly on the tube 1 1 of the fluid-flowable tube 1 1 in the raw state and the second coating
  • the first and the second coating 23, 24 can each have a thickness of up to 200 ⁇ m, preferably of up to 150 ⁇ m and in particular of up to 100 ⁇ m.
  • the coating preferably uses powder or liquid coating which has antifouling properties. th.
  • the fluid-throughflowable tube 11 may preferably have further coating sections.
  • FIG. 5 shows a perspective view of an installation option of the inventive sea chest cooler 10 from FIGS. 1 and 2 in a ship's hull 25.
  • the sea chest cooler 10 is arranged within the hull 25 and is positioned such that it is surrounded by seawater 26 for cooling ,
  • the hull 25 has to inlet to the seawater 26 both inlet slots 27 and outlet slots 28, which for continuous inputs of seawater

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un refroidisseur de prise d'eau de mer pourvu d'un revêtement, le refroidisseur de prise d'eau de mer comportant une pluralité de tuyaux pouvant être traversés par des fluides, une unité de fixation pour les tuyaux pouvant être traversés par des fluides, au moins une plaque protectrice, une armature de montage, un capot pourvu d'au moins une admission et d'un échappement ainsi qu'au moins un joint, selon lequel les tuyaux pouvant être traversés par des fluides sont recouverts séparément avant d'être assemblés pour former le refroidisseur de prise d'eau de mer. Le procédé permet d'obtenir des refroidisseurs de prise d'eau de mer grâce auxquels les problèmes d'usure en raison de l'infestation de micro-organismes, d'impuretés, de petits êtres vivants et de crustacés qui adhèrent aux refroidisseurs de prise de mer en tant que végétation ou de la décomposition électrochimique sont fortement réduits.
PCT/EP2019/060533 2018-04-25 2019-04-24 Refroidisseur de prise d'eau de mer et procédé de revêtement de tuyau de refroidisseur de prise d'eau de mer WO2019207005A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018109927.4A DE102018109927A1 (de) 2018-04-25 2018-04-25 Seekastenkühler und Verfahren zur Seekastenkühlerrohrbeschichtung
DE102018109927.4 2018-04-25

Publications (1)

Publication Number Publication Date
WO2019207005A1 true WO2019207005A1 (fr) 2019-10-31

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DE (1) DE102018109927A1 (fr)
WO (1) WO2019207005A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123682A1 (de) 1980-06-16 1982-03-18 Mitsubishi Jukogyo K.K., Tokyo Gegen den bewuchs mit meeresorganismen sicherer metallischer werkstoff
DE4109197A1 (de) * 1991-03-18 1992-09-24 Sandrock Stefan Verfahren zur verhinderung von bewuchs an untergetauchten oberflaechen durch sporadische, gesteuerte veraenderung deren physikalischer eigenschaften
DE19921433C1 (de) 1999-06-17 2000-10-26 Scharf Eva Maria Verfahren und Vorrichtung zur Vermeidung von Bewuchs in Seekästen und Seewassersystemen auf Schiffen, Offshore-Plattformen etc.
DE102005029988B3 (de) * 2005-06-28 2006-11-16 Peter Dipl.-Ing. Ninnemann Vorrichtung zum Schutz von Wärmeübertragern vor Bewuchs durch Organismen
WO2009153251A2 (fr) * 2008-06-20 2009-12-23 Heat Nord Gmbh Refroidisseur de caisson de prise d'eau à système antisalissure intégré
WO2015040096A1 (fr) 2013-09-19 2015-03-26 Corrosion & Water Control Shared Services B.V. Échangeur de chaleur pour navire doté d'un système antisalissure
WO2016091982A1 (fr) * 2014-12-12 2016-06-16 Koninklijke Philips N.V. Appareil de refroidissement pour refroidir un fluide par les eaux de surface
WO2016198280A1 (fr) * 2015-06-09 2016-12-15 Koninklijke Philips N.V. Ensemble comprenant un compartiment humide et au moins une source d'énergie anti-encrassement

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US4714623A (en) * 1985-02-28 1987-12-22 Riccio Louis M Method and apparatus for applying metal cladding on surfaces and products formed thereby
DE19524538C1 (de) * 1995-07-05 1996-09-26 Gea Luftkuehler Happel Gmbh Verbindung eines stählernen Rohrs mit einem stählernen Rohrboden eines Wärmetauschers
DE102009015533B9 (de) * 2009-04-02 2011-01-13 Babcock Borsig Service Gmbh Verfahren und Vorrichtung zum Beschichten von metallischen Rohren oder anderen langen Bauteilen mit begrenztem Querschnitt

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123682A1 (de) 1980-06-16 1982-03-18 Mitsubishi Jukogyo K.K., Tokyo Gegen den bewuchs mit meeresorganismen sicherer metallischer werkstoff
DE4109197A1 (de) * 1991-03-18 1992-09-24 Sandrock Stefan Verfahren zur verhinderung von bewuchs an untergetauchten oberflaechen durch sporadische, gesteuerte veraenderung deren physikalischer eigenschaften
DE19921433C1 (de) 1999-06-17 2000-10-26 Scharf Eva Maria Verfahren und Vorrichtung zur Vermeidung von Bewuchs in Seekästen und Seewassersystemen auf Schiffen, Offshore-Plattformen etc.
DE102005029988B3 (de) * 2005-06-28 2006-11-16 Peter Dipl.-Ing. Ninnemann Vorrichtung zum Schutz von Wärmeübertragern vor Bewuchs durch Organismen
WO2009153251A2 (fr) * 2008-06-20 2009-12-23 Heat Nord Gmbh Refroidisseur de caisson de prise d'eau à système antisalissure intégré
WO2015040096A1 (fr) 2013-09-19 2015-03-26 Corrosion & Water Control Shared Services B.V. Échangeur de chaleur pour navire doté d'un système antisalissure
WO2016091982A1 (fr) * 2014-12-12 2016-06-16 Koninklijke Philips N.V. Appareil de refroidissement pour refroidir un fluide par les eaux de surface
WO2016198280A1 (fr) * 2015-06-09 2016-12-15 Koninklijke Philips N.V. Ensemble comprenant un compartiment humide et au moins une source d'énergie anti-encrassement

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