WO2011022738A1 - Echangeur de chaleur liquide-gaz - Google Patents

Echangeur de chaleur liquide-gaz Download PDF

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Publication number
WO2011022738A1
WO2011022738A1 PCT/AT2009/000427 AT2009000427W WO2011022738A1 WO 2011022738 A1 WO2011022738 A1 WO 2011022738A1 AT 2009000427 W AT2009000427 W AT 2009000427W WO 2011022738 A1 WO2011022738 A1 WO 2011022738A1
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WO
WIPO (PCT)
Prior art keywords
liquid
plates
heat exchanger
plate
flow
Prior art date
Application number
PCT/AT2009/000427
Other languages
German (de)
English (en)
Inventor
Gerhard Kunze
Original Assignee
Gerhard Kunze
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 Gerhard Kunze filed Critical Gerhard Kunze
Publication of WO2011022738A1 publication Critical patent/WO2011022738A1/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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0366—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 plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
    • F28D1/0383—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 plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements with U-flow or serpentine-flow inside the conduits
    • 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
    • F28D1/0233—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 air flow channels
    • F28D1/024—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 air flow channels with an air driving element
    • 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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • F28D1/0341—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members with U-flow or serpentine-flow inside the conduits
    • 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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0366—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 plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
    • F28D1/0375—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 plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F28D9/0075—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations

Definitions

  • Liquid-gas heat exchangers are heat exchangers in which heat is exchanged between a gas flow moved by a fan and a liquid flow moved by a pump. They are mainly used for the recovery of waste heat in the building ventilation. In the application and thus also in the design, they differ from pure heating or cooling fans. In the latter, either air should be brought to a predetermined temperature with the aid of water, which is preferably achieved by a significant excess of water, or hot water should be cooled by an air stream, which am
  • V 1 * ⁇ ⁇ ⁇ * c V 2 * p * c 2 2 (2)
  • liquid-gas heat exchanger is therefore understood as a generic term for all applications mentioned, even if when weighing up the advantages and disadvantages of individual features of the building to the narrow definition according to equation (1) or (2) is intended.
  • equation (2) means that the volume flow of the air is about 4000 times greater than that of the water. On the air side, this results in the basic problem of keeping the flow cross-section as large as possible and the flow resistance as small as possible. On the water side, there is a risk of dirt deposits and problems with tight air bubbles due to the slow flow.
  • Liquid-gas heat exchangers in particular water-air heat exchangers, are usually represented by finned tubes.
  • finned tubes In this case, several finned tubes can be connected to a larger package.
  • the air then flows through between the parallel ribs, that is, the heat flow between the water pipe and air is for the most part not directly, but flows a fairly long way through the rib surface.
  • the thermal resistance in this way is not negligible.
  • the argument that speaks anyway for this construction is that the thermal resistance at the transition between rib surface and air is in any case so large that the additional thermal resistance along the ribs is justifiable, if these ribs
  • WO 2004 / 068052A1 comes closest to the present invention.
  • the liquid flows through thermally conductive tubes, through which the tubes form complex serpentine systems, parallel to the air flow, forming the intervening "air flow areas" of thermally conductive fins, so that there is a problem with the heat being dissipated Path from the liquid medium to the gas must spread along a metal surface, resulting in a loss of temperature.
  • thermally conductive ribs whether in combination with pipes or with plates, an evil that should be waived in principle.
  • liquid-gas heat exchanger in the literature, which dispense with thermally conductive ribs.
  • An example of this is DE102004054006A1, in which a bundle of liquid-carrying pipes is placed in the parallel gas stream.
  • groups of such liquid-carrying pipes are combined into plates, each with a plurality of straight, parallel, through-flow channels by means of distribution areas and collecting areas.
  • Another approach is to incorporate, instead of many straight and parallel channels, only one thin channel per plate, which pervades the plate in serpentines, because this single channel does not have to be as extremely thin as in the case of a plurality of straight, parallel channels.
  • this concept for liquid-gas heat exchangers must be extended to allow additional gaps for the gaseous medium between plate groups.
  • a liquid-gas heat exchanger consists of a set of thin parallel plate combinations, which are traversed serpentinely in their interior over the entire surface of liquid, the path is oriented substantially in the opposite direction to the air flow and nowhere along its course may lead downwards, with thin columns between the plates (typically 1-2 mm) for the gas flow in between.
  • the inflow and outflow of water of the plates are orthogonal to the plate plane by common channels, which through
  • Each of the flow-through plate combinations according to the invention consists of 3 or 2 partial plates. These partial plates of each plate combination have thicknesses of the order of 0.2-0.5 mm.
  • each of these panel combinations is a panel with cut-out channels and holes such that the remaining ridges or guides ensure that the water in all panels is serpentine, parallel to the respective adjacent panel combination and substantially opposite to the flow
  • the said plate combinations can also be produced by a combination of two mutually mirror-symmetrical partial plates.
  • These Partial plates are molded or deep-drawn, so that over its entire surface one or more shallow channels separated by narrow webs arise, which corresponds to the shape of the webs of the middle of the 3 part plates in the first form of the invention and which guarantee the composition of the sub-plates to heat exchanger plates in that the liquid flows in all the plates of the heat exchanger in parallel serpentine and substantially opposite to the flow of air between the plate pairs.
  • the partial plates are folded, pressed, welded, soldered or otherwise as firmly and tightly connected.
  • the spacers for the air gaps can be formed by folding or bulging the deep-drawn sheets, wherein the liquid passages are guided from one plate to its neighboring plate by such bulges, which are then connected directly to each other in this case.
  • each of the liquid-conducting plates can consist of a combination of two plastic foils welded together, the welds having a shape which corresponds to the middle sub-plate in the plate version of three sub-plates.
  • the spacers for the air gaps can be welded according to the invention by folding or bulging of the air gaps
  • Plastic films are formed, whereby the liquid feedthroughs are guided from plate to plate through such bulges, which are then welded directly to the adjacent plate in this case.
  • the invention it is advantageous in the case of very thin plates through which water flows, in particular when using plastic films, when the plates have one or more weak bends, because this causes the part plates to be stiffened. Placing a curvature axis in the direction of air flow, the angle of curvature can be large, since this means no additional air resistance. Conversely, at
  • each of the flow-through plates has an input and an output that all plates have identical shape and are combined into a package that all inputs and all outputs are in parallel alignment and that the liquid medium enters the package at the entrance to the first plate from below and leaves this at the output of the last plate upwards.
  • the removal of gas bubbles is further facilitated by allowing the liquid to flow from bottom to top.
  • the surfaces of the liquid-flowed plates may be coated with a material having a low surface tension at the e.g. when Teflon (PTFE) - nothing can adhere, coat.
  • PTFE Teflon
  • the plate body of some radiators differs from
  • Heat exchanger according to the invention has only a fraction of the size and weight of a comparable heater of the same power.
  • Water-flow type radiator of the conventional type require a heating water temperature, the 20 - is 3O 0 C over target room temperature.
  • the heat exchanger according to the invention is able to reach a discharge temperature of the air, which differs only by 1 ° C from the inflow temperature of the water. This is due, in particular, to the serpentine movement of the liquid proposed by the invention in countercurrent to the gas stream.
  • An essential advantage of this invention is that the design ensures a uniform temperature gradient along the plates and thus optimal heat transfer, which causes a heat exchanger according to the invention in comparison to a liquid-gas heat exchanger with finned tubes with the same size better heat transfer and so that has a much better temperature efficiency. While a good finned-tube air-cooled heat exchanger typically has a 70% temperature efficiency, a heat exchanger of the same size and air and water flow strengths achieves a temperature efficiency in excess of 97%, as evidenced by calculation and experimental measurement.
  • the advantage of forming the spacers for the air gaps by folding or bulging the deep-drawn sheets is that plates and spacers can be manufactured in one operation.
  • Another advantage of this invention is that the building material of a heat exchanger according to the invention has virtually no effect on the performance. In the conventional tube fin heat exchanger, the opposite is the case. It takes metals such as copper or aluminum, because very good heat conductive materials significantly improve the efficiency. This is because the total thermal resistance of the three thermal resistors
  • the advantage of building the heat exchanger made of plastic is that raw material and production method are cheap and there is no corrosion.
  • the slight curvature of the plates according to the invention is advantageous because it stiffens the construction of such a heat exchanger without additional structural means.
  • the slightly tilted construction according to the invention as well as the provision that the path of the liquid must nowhere lead downwards, has the advantage that any gas bubbles are transported away with certainty.
  • Fixed gas bubbles would namely on the one hand reduce the active area of the heat exchanger and on the other hand increase the flow resistance of the liquid through individual plates, with different plates in the heat exchanger would have different temperatures, whereby the heat transfer between the two media would not be optimal.
  • the advantage according to the invention in the case of larger heat exchangers to subdivide the liquid-flow-through plates into parallel sections is that thereby the mathematical optimization of the heat exchanger dimensions less
  • Fig. 1. shows the entire system, the plate block including water connections and
  • Fig. 1a shows the plate block of Fig. 1 for a case in which the plates are curved.
  • Fig. 2 shows an exploded view of a section of the plate block, where the
  • FIG. 3 shows an even smaller section of FIG. 2 with a smaller distortion due to the explosion. It can be seen the structure of the liquid passage through the plates.
  • Fig. 4 shows a typical middle sub-plate (mold plate), which liquid from the
  • Inlet opening to the outlet opening of the plate passes.
  • Fig. 5 shows a combination of 2 welded plastic plates, which fulfill the functions of the heat exchanger plates according to the invention in the same way.
  • Fig. 6 shows a deep-drawn sheet metal plate
  • Fig. 7 shows 3 details (a, b, c) of a cross section through a heat exchanger with deep-drawn plates.
  • Fig. 8 shows 3 details (a, b, c) of a cross section through a heat exchanger with a
  • Fig. 9 shows a sectional view of a heat exchanger assembly.
  • Fig. 10 shows a side tilted heat exchanger.
  • Fig. 11 shows a deep-drawn plate for larger heat exchangers.
  • Fig.1 The liquid-traversed plates -1-, separated by spacers -2-, arranged in a stack.
  • the water comes through the inflow -4- in the first plate, and distributed over the recesses -3c- in the spacers -2- from plate to plate.
  • the liquid flows in the main flow direction -8- to the liquid outlet -5-, this way
  • Serpentine has, by which is ensured that the liquid is steady and monotone against the gas direction -7- progressing from -4- to -5- moves.
  • a blower -6- a gas flow -7- is generated, which is the Fiüsstechniksströmungsraum -8- predominantly opposite.
  • Each plate -1- consists of 3 partial plates -1a, 1b, 1a and is separated by spacers -2- from the neighboring plates -1-.
  • the middle sub-plate -1b- forces the liquid through its webs -12- to a serpentine path on which it is steadily and monotonously progressing from the liquid inlet -3b- to the liquid outlet -3b 1 - is performed.
  • All 2 plate types -1a, 1b- and the spacers -2- have at the corresponding points liquid passages -3a, 3b, 3c-.
  • the liquid outlet -3a'- (in the picture only partially visible) is constructed identically
  • Fig.3 This figure shows above all the liquid passage through the plates -1-.
  • the openings -3a and -3b are congruent.
  • the opening of the middle plate -3b- has a restricted flow -15- to the -Fidsswegsweg -10-, whereby it should be ensured that the liquid flow through all plates is approximately equal.
  • In the Ausappelu ⁇ ge ⁇ -3c- of the spacers can be sealing rings -3c "- insert, if you do not want to connect the plates -1- firmly, but compresses the whole package from the outside as in a conventional bolted plate heat exchanger.
  • This illustration shows a middle plate -1b- »n of the plan view.
  • This partial plate consists only of a closed outer edge -11- and webs -12-.
  • the liquid openings are outwardly -3b, 3b'- with the restricted passage -15- to the liquid path -10-. Since a regular and reproducible small opening -15- is not easy to accomplish with the methods of blank punching or laser cutting, it helps to insert into the liquid opening -3b- a standard spring washer -9-, a wave washer or a similar elastic element which in the compressed state is a little thinner than the plate thickness of -1b-. Then the flow restriction is not at the constriction -15- but at the recess of the inserted ring.
  • FIG. 5 The figure shows the design of a heat exchanger plate -1- of two welded plastic films. In the concrete example, there are several parallel ones
  • Fluid paths -10- which are separated from each other by the welds -14-.
  • each liquid path -10- there are bumps with passages which communicate with such openings of the adjacent plates e.g. be tightly connected by welding.
  • Fig. 6 The figure shows a deep-drawn sheet metal plate -1a in plan view.
  • the inclined surface pieces are hatched, all other surfaces are parallel to the picture plane.
  • the edges -11- and the webs -12- remain unchanged in their initial plane, while the serpentine channel -10- is deep drawn into a second plane.
  • the spacers -2-, as well as the inlet and outlet openings -3a are formed as nubs, which are a little further deep drawn to a third level.
  • the liquid flow -8- flows in the drawing through the upper left opening -3a in the direction of arrow -8- to the lower right opening -3a'-.
  • the gas flow direction is indicated by arrows -7-.
  • Fig. 7 shows 3 details of a cross section through the deep-drawn plate of Fig. 6. Die
  • Drawings Figures 7a, 7b and 7c refer to the same section plane taken along the line SS 1 .
  • Fig. 7a shows a cross section through a single plate -1a. You recognize edge
  • Fig. 7b shows two joined plates -1a-which are placed in mirror image one above the other, thereby forming a liquid-flowed plate -1- with the channel -10- is formed.
  • Fig. 7c shows a plurality of liquid-flowed plates -1-, which lie on one another, wherein an air gap -7- is kept free by the spacers -2- as well as by the bulged inlet opening -3a between the plates -1-.
  • the arrows -7- give the
  • FIG. 8 shows 3 details of a cross section of a non-mirror-image plate assembly, in which a deep-drawn sheet, as in Fig. 6 with a flat sheet to a
  • Fig. 8a shows a cross section through a deep-drawn sheet -1a and a still separate flat sheet -1c-.
  • edge -11- and webs -12- which lie in the first level.
  • the outer wall of the channels -10- which lies in a second plane, and the inlet opening -3a and the spacer -2-, which come to rest in a third plane.
  • Fig. 8b shows two assembled sheets, a deep-drawn sheet -1a and a flat sheet -1c, which are superimposed with congruent openings 3a-one above the other, so that thereby a liquid-flow plate -1- with the channel -10- is formed ,
  • FIG. 8c shows a plurality of liquid-flowed plates -1- in non-mirror-image construction, which lie on one another, wherein an air gap is kept free by the spacers -2- as well as by the bulged inlet opening -3a between the plates -1-.
  • the arrows -7- indicate the gas flow direction.
  • Fig. 9 shows a schematic vertical section through a heat exchanger according to the invention, which is designed so that all parallel fluid paths -8- are the same length.
  • the liquid enters the heat exchanger at the entrance of the first plate -4-, spreads over the escape of the inlet openings through the liquid passages -3c- on all plate entrances, flows through these parallel -8-, after which all these parallel paths -8- in the Escape the output openings -3c'- open where they join the output current -5-.
  • Fig. 10 shows a vertical section through a heat exchanger according to the invention, which is designed so that the liquid can flow from bottom to top, whereby they can carry along air bubbles easier.
  • the heat exchanger is slightly tilted sideways, so that the liquid entrances -3c of all plates at the bottom and the liquid outlets -3c'- come to lie at the top.
  • the liquid enters the heat exchanger at the inlet of the first plate 4- flows upwardly through the escape of the inlet openings -3c- through the liquid passages -3c- to all plate entrances, flows through them substantially upwards, even if these paths are horizontal Serpentines include, parallel -8-, after which all these parallel paths -8- in the likewise upward-oriented alignment of the exit openings -3c'- open, where they join the output current -5-, which comes to rest at the highest point.
  • Fig. 11 shows a deep-drawn plate for larger heat exchangers.
  • three parallel channels -10- are accommodated on a disk. Each of these channels has one input -3a and one output -3a'-.
  • the individual webs are bounded by the analogous webs -12- and surrounded jointly by the outer wall -11-.
  • From such a deep-drawn plate -1a can be formed either analogously to Figure 7 with a mirror image plate -1a or analogous to FIG. 8 with a flat plate -1c- a large liquid-flowed plate -1-.
  • From a plurality of such plates -1- arises a large heat exchanger, which consists of parallel sections of parallel heat exchangers, each section having its own plate inputs and outputs.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur de chaleur liquide-gaz, constitué d'un empilage de plaques minces identiques (1) sans ailettes thermoconductrices, à travers lesquelles le liquide circule à la manière d'un serpentin au moyen d'une pompe, des entrefers et entretoises (2), à travers lesquels l'air à thermoréguler (7) circule au moyen d'une soufflante (6), étant agencés entre les plaques (1). Le fluide de thermorégulation (8) traverse intérieurement toute la surface des plaques (1), jusqu'aux nervures de guidage (12) et aux zones de bord (11), le flux de liquide (8) de toutes les plaques (1) suivant un chemin en forme de serpentin (10), dans des plans parallèles à l'écoulement de gaz (7). Ledit chemin est orienté sensiblement dans la direction opposée à l'écoulement de gaz (7) et ne doit présenter aucun écoulement en aval le long de son tracé, tandis que l'amenée de liquide (4) et l'évacuation de liquide (5) des plaques ont lieu de manière orthogonale aux plans des plaques par l'intermédiaire de canaux communs qui sont formés dans les entrefers par des ouvertures correspondantes (3a, 3a') dans les plaques (1a) et des passages (3c) dans les entretoises (2).
PCT/AT2009/000427 2009-08-27 2009-11-11 Echangeur de chaleur liquide-gaz WO2011022738A1 (fr)

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AT13512009 2009-08-27
ATA1351/2009 2009-08-27

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WO2011022738A1 true WO2011022738A1 (fr) 2011-03-03

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140216702A1 (en) * 2011-07-25 2014-08-07 Valeo Systemes Thermiques Heat-Exchanger Plate
EP2865960A1 (fr) * 2013-10-24 2015-04-29 JTC Energie Sarl Dispositif d'échange thermique
DE102016101677A1 (de) * 2016-01-29 2017-08-03 TTZ GmbH & Co. KG Plattenwärmeübertragervorrichtung und Vorrichtung zur Nutzung von Abwärme
US20210108867A1 (en) * 2012-10-16 2021-04-15 The Abell Foundation, Inc. Heat Exchanger Including Manifold
US11333450B2 (en) * 2018-07-05 2022-05-17 Nexson Group Plate for heat exchanger and heat exchanger including the plate
EP4075087A1 (fr) * 2021-04-14 2022-10-19 Michael Rehberg Dispositif échangeur de chaleur à plaques et circuit de liquide
WO2024012220A1 (fr) * 2022-07-11 2024-01-18 沈阳天通电气有限公司 Radiateur de type panneau ayant des nervures de renforcement et des ailettes de refroidissement soudées par un linteau

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Publication number Priority date Publication date Assignee Title
JPH06313686A (ja) * 1993-04-30 1994-11-08 Matsushita Electric Ind Co Ltd 積層式熱交換器
JP2001041580A (ja) * 1999-07-29 2001-02-16 Matsushita Electric Ind Co Ltd 給湯機器
EP1306126A1 (fr) * 2001-10-19 2003-05-02 Methanol Casale S.A. Echangeur de chaleur pour réacteurs chimiques isothermes
WO2004068052A1 (fr) 2003-01-31 2004-08-12 Heinz Schilling Kg Echangeur de chaleur a air et a eau a parcours partiels de l'eau
US20050183440A1 (en) * 2004-02-10 2005-08-25 The Texas A&M University System Vapor-compression evaporation system and method
DE102004054006A1 (de) 2004-11-09 2006-05-11 Kass, Michael Wärmeaustauscher
DE102005037708A1 (de) 2005-08-10 2007-02-15 Albert-Ludwig-Universität Freiburg Anordnung von Wärmetauscherplatten, die in thermischem Kontakt mit einem Adsorbens stehen
WO2007127048A2 (fr) 2006-04-14 2007-11-08 Kammerzell Larry L Tour de refroidissement à point de rosée, échangeur de chaleur fixé par adhésif, et autres appareils de transfert de chaleur
DE202008000496U1 (de) 2008-01-03 2008-04-30 Kass, Michael Plattenwärmetauscher
WO2009097639A2 (fr) 2008-02-07 2009-08-13 Gerhard Kunze Mode de construction simple approprié pour la fabrication en série de systèmes hydropneumatiques complexes

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06313686A (ja) * 1993-04-30 1994-11-08 Matsushita Electric Ind Co Ltd 積層式熱交換器
JP2001041580A (ja) * 1999-07-29 2001-02-16 Matsushita Electric Ind Co Ltd 給湯機器
EP1306126A1 (fr) * 2001-10-19 2003-05-02 Methanol Casale S.A. Echangeur de chaleur pour réacteurs chimiques isothermes
WO2004068052A1 (fr) 2003-01-31 2004-08-12 Heinz Schilling Kg Echangeur de chaleur a air et a eau a parcours partiels de l'eau
US20050183440A1 (en) * 2004-02-10 2005-08-25 The Texas A&M University System Vapor-compression evaporation system and method
DE102004054006A1 (de) 2004-11-09 2006-05-11 Kass, Michael Wärmeaustauscher
DE102005037708A1 (de) 2005-08-10 2007-02-15 Albert-Ludwig-Universität Freiburg Anordnung von Wärmetauscherplatten, die in thermischem Kontakt mit einem Adsorbens stehen
WO2007127048A2 (fr) 2006-04-14 2007-11-08 Kammerzell Larry L Tour de refroidissement à point de rosée, échangeur de chaleur fixé par adhésif, et autres appareils de transfert de chaleur
DE202008000496U1 (de) 2008-01-03 2008-04-30 Kass, Michael Plattenwärmetauscher
WO2009097639A2 (fr) 2008-02-07 2009-08-13 Gerhard Kunze Mode de construction simple approprié pour la fabrication en série de systèmes hydropneumatiques complexes

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140216702A1 (en) * 2011-07-25 2014-08-07 Valeo Systemes Thermiques Heat-Exchanger Plate
US20210108867A1 (en) * 2012-10-16 2021-04-15 The Abell Foundation, Inc. Heat Exchanger Including Manifold
EP2865960A1 (fr) * 2013-10-24 2015-04-29 JTC Energie Sarl Dispositif d'échange thermique
DE102016101677A1 (de) * 2016-01-29 2017-08-03 TTZ GmbH & Co. KG Plattenwärmeübertragervorrichtung und Vorrichtung zur Nutzung von Abwärme
DE102016101677B4 (de) 2016-01-29 2022-02-17 TTZ GmbH & Co. KG Plattenwärmeübertragervorrichtung und Vorrichtung zur Nutzung von Abwärme
US11333450B2 (en) * 2018-07-05 2022-05-17 Nexson Group Plate for heat exchanger and heat exchanger including the plate
EP4075087A1 (fr) * 2021-04-14 2022-10-19 Michael Rehberg Dispositif échangeur de chaleur à plaques et circuit de liquide
DE102021109303A1 (de) 2021-04-14 2022-10-20 Freya Rehberg Plattenwärmeübertragervorrichtung und Fluidkreis
WO2024012220A1 (fr) * 2022-07-11 2024-01-18 沈阳天通电气有限公司 Radiateur de type panneau ayant des nervures de renforcement et des ailettes de refroidissement soudées par un linteau

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