• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A method for the manufacture of a heat exchanger comprising an internal arrangement of general cylindrical shape constituted by winding in a spiral two parallel and adjacent portions of a first band, such as a metal sheet and a second band wound on this arrangement in order to form an outer casing constituting a collar or shell.
    公开号:SU812158A3
    申请号:SU772558159
    申请日:1977-12-27
    公开日:1981-03-07
    发明作者:Жуэ Этьен
    申请人:Спирек Л Эшанжор Спираль Евер Клеан(Фирма)；
    IPC主号:
    专利说明:

    (54) METHOD OF MANUFACTURING MULTILAYERED PRODUCTS AND DEVICE FOR ITS IMPLEMENTATION
    equipped with a device for processing the edges of the tape.
    On $ Hr. 1-3 shows three different stages of tape winding; in fig. 4 is a schematic sectional view of the finished product; in fig. 5 is a view A of FIG. H; in fig. 6 is the same, one of the embodiments / in FIG. 7-8 are embodiments of the core; in fig. 9-11 - three stages of winding in the third version of the core / FIG. 12 - the same, with use of edges, on fig. 13 is a section B-B in FIG. 12. FIG. 14 is an embodiment of a core with ribs / in FIG. 15 - the proposed device, a general view; FIG. 16 - section B-B in FIG. 15; in fig. 17 is a partial longitudinal section of the device.
    Branches 1 and 2 are two parts of one continuous ribbon. For the sake of clarity in the drawing, both branches are shown different and are indicated in a section. The tape is made of sheet steel and serves as the separation walls of the heat exchanger for two liquids.
    If both branches 1 and 2 belong to the same steel strip, then it is bent along a precisely selected transverse line. However, you can get such a tape by welding two separate steel strips along their ends, respectively treated.
    In both cases, the tape is curved around the mandrel 3, which is placed at the connecting line of the branches. The mandrel 3 is parallel to the second mandrel 4 and is from it at a distance equal to the thickness of the winding tape. Any of these mandrels can be replaced by two short coaxial elements.
    The free end of the branch 1 is held by a flexible member 5 wound on a drum b and terminated with clips 7. The flexible member may be in the form of a tape, a rope, etc. The free end of the leg 2 is attached by welding, gluing, riveting or in any other way to the second tape 8, which forms the outer casing.
    The tape 8 with the other end is inserted into the clamping elements 9, which are located at the end of the additional flexible element 10 (for example the tape), which is a continuation of the tape 8 The element 10 is fixed on the drum 11 mounted for rotation. A groove is made in the drum 11, into which the elements 9 are inserted, so that when the tape is wound on the drum 11, its thickness does not increase.
    There must be gaps between the layers of tape for the passage of fluid. For this, either the reliefs on the branches x 1 and 2 of the tape are made, or additional details are used, for example, wire 12 and 13 arranged parallelly. The wire is secured before winding or, preferably, mounted as winding. Both layers of wire 12 and 13 are stored on bars. Banners 14 and 15. The ends of the wires are secured by any known means (clamping, gluing, etc.), so that they are located at the junction line of both branches 1 and 2.
    The mandrel 4 (if necessary, removable) is mounted on coaxial holders located on the frame 16.
    The mandrel 3 is connected to the rotation control mechanism, the axis of which is the axis of the mandrel 4. According to the invention, both branches 1 and 2 of wire 12 and 13 are spirally wound at the same time, together with controlled tension of branch 2 by means of a tape 8 and element 11
    0 drive, which is connected to the mandrel 3 and 4.
    The principle of operation of the device is as follows.
    First install branches 1 and 2
    5 tapes, as well as wires 12 and 13 relative to the mandrel 3, which is at the lowest point under the mandrel 4. Then turn on the engine so that the mandrel 3 (arrow F,) and bar Q bay 11 (arrow G) rotate counterclockwise, in this case, the brake provides the required tension for the branch 2 and the belt 8. The drums 6, 14 and 15 also rotate counterclockwise (arrow F) due to the thrust force acting on the branch 1 and the wire 12 and 13.
    After several turns of the mandrel 3, spiral winding of the branches 1 and 2 begins on the mandrel 4. The first
    0 times, the winding operation is stopped in order to cut the wires 12 and 13 at a distance from the ends of the branches 1 and 2, and the second time when the entire length of the branches 1 and 2 is wound on the core.
    5 At this point, turn on the drive of the drum 11, in order to ensure the rotation of the latter in a clockwise direction, and regulate the power supply of the core motor so that it operates top-.
    In order to maintain a predetermined tension of the belt 8, which in this case begins to move in the opposite direction (along the arrow), while the free parts of the branches 2 and 1, between their ends and the point of attachment of the belt 8, remain pressed to the wound system .
    Having reached the position shown in FIG. 3 with partial unwinding, the engines are switched off and hermetically
    0 connect the ends of the branches 1 and 2, for example, by means of the weld 17. After this operation is completed, the motors are again turned on in the winding direction (arrows образов formation of the jacket 8).
    If the casing is made of a relatively thin tape, you can wind it in several layers, providing for the appropriate ;; but the length, and fix the free KOH ;, and welding on the casing itself.
    FIG. 6 that the second tape 8 forms a relatively thin thin shell of sheet steel, the width of which is greater than the width of the branch 2. Branch 2 and the tape 8 are sockets, so that their sides are offset by a distance of y.
    In the shell formed by the tape 8, before winding, holes 18 are made, which play the role of radial channels for fluid circulation. After completing the assembly of the product, pipes are welded to these holes to connect them to the pipelines for supplying working fluids.
    To fasten the tape 8, the transverse edge of which is connected to the extension element, which is affected by the stitching of the system, a notch with two protrusions of small width is made in the transverse end. The clamping elements are applied to these protrusions. When wet, the tape 8 is wound entirely, except for the projections. At this point, you can perform spot welding on the edge of the cutout, forming the necessary mount. In addition, the fastening can be done by other means: by soldering, gluing, etc.
    After mounting, the elements 9 are removed. The tabs are bent or cut, which is easier than unbending the entire tape.
    The fastening is completed, for example, by a continuous weld not only of the middle part of the tape, but also of the projections or the cut part.
    The fastening of the tape 8 can also be performed as follows. The elements 10 are made of a material that can be fastened on the tape 8 without the elements 9. After winding the entire tape, the necessary fastening is done, then a part of the element 10 is cut and, after this part is folded in, the tape is finally fixed. As a result, element 10 is consumed, and after a certain number of products, a new element 11 should be taken.
    Element 10 extending the tape 8 may not be made of a tape, but from two cables (Fig. 1). In order for them not to increase in thickness when being wound on the drum 11, recesses are provided for accommodating the cables.
    The core for winding the branches 1 and 2 can be made in different versions.
    FIG. 7 shows the mandrels 3 and 4. The mandrel 4 can either be connected to the product, being an integral part of it, or be part of the device, in this case after winding the system
    pulling it out to the side.
    The core 19 (FIG. 8) may be made split with a longitudinal slit 20, the width of which is equal to the thickness of the winding tape, so that it enters this slit. Both parts of the core 19 have pads 21 extending radially cores by an amount equal to the thickness of the winding tape so that it is
    o one turn formed a flat spiral without a sharp change in the radius of curvature.
    In addition, the cores can be made of two separate mandrels.
    5 of the same diameter, which can, as mentioned above, be either part of the device or part of the product (Fig. 9-11).
    Parallel mandrels 22 and 23 are placed at a distance equal to the thickness of the winding tape so that it can easily enter between them. On both sides of these cores are branches 1 and 2.
    The ends of the wires 12 and 13 are inserted
    5 (Fig. 9) between branches 1 and 2 and the cores 22 and 23, then both cores are rotated in the direction of the arrow around a common axis parallel to the axis of the core that passes
    0 between them at equal distance. After a half turn, the product is in the position shown schematically in FIG. 10, and after a complete revolution in the position shown schematically in FIG. eleven.
    Between the first turns of branches 1 and 2, on the one hand, and the core - on the other hand, provide for the ribs.
    0
    FIG. 12 to 13 there is shown a product comprising two mandrels 24 and 25, which are tubular elements on which the transverse ribs 26 and 27 are fixed with-by means of a welded joint 28.
    five
    The shape of the ribs 26 and 27 resembles the shape of oil droplets.
    Taking into account the radial thickness of the ribs, the distance I – ddu by mandrels 24 and 25 is twice the thickness of the nama-.
    Washable tape so that the latter can be easily inserted between them. During winding, the product is rotated on a common axis, pargpelnaya axis of the cores 24 and 25, using
    5 devices, the drive mechanism of which has two supports 29, on which the core is fixed.
    The ribs 26 and 27 are mounted perpendicular to the axis of the core. For that
    In order to ensure the circulation of liquids, holes or channels are provided in the mandrels connecting the chambers to the space between the outer wall of the core and the inner side of the first turn of the branches 1 and 2.
    权利要求:
    Claims (8)
    [1]
    5 Ribs can also be made on the cores shown in FIGS. 1 2, 3 and. The shape of the ribs 30 may be such (Fig. 14) that the first turns of the tape fit smoothly, without abruptly changing the radius of curvature, since the first turn of the branch 1 does not overlap the mandrel 4, but on the ribs 30. There may be holes in the ribs for the passage of fluid., in this case, the mandrel 24 and 25 have a smaller diameter, and there should not be holes in them. A device for implementing the method (FIGS. 15 and 16) comprises a drum 11 forming a winch, a winding mechanism 31. The drum 11, installed with the possibility of flapping around the horizontal axis, is connected via a transmission to gears and chain gears with the engine 32, on which a torque limiter is installed, providing automatic disconnection if the tension of the reeled stsylnaya band exceeds a predetermined value. In addition, the winch motor 32 is equipped with a hydraulic disc brake 33, which serves to brake this winch during winding of the steel strip. The brake 33 is connected to a pressure regulating mechanism, and this pressure is controlled. This device makes it possible to adjust very precisely when the coils are wound, the tension of the steel tape at any rate of passage, which may vary. The spiral winding mechanism 31 is positioned at some distance in front of the drum 11, and between them longitudinal guides 34 are placed, on which the clamping element 9 can be moved to grip the steel tape connected to the winch drum 11 by a flexible element 10. The winding mechanism 31 is provided with two devices 35 and 36, which can be moved transversely to the belt for adjustment to the width of the latter. Each of the winding attachments 35 and 36 comprises supports 29, on which a core for winding is fixed. Each support is through gears associated with a drive 37, which also contains a DC speed controller. Thus, it is possible to arbitrarily vary the speed of rotation and, consequently, the speed of passage of the spirally wound spiral steel strip. The supports 29 provide parallelism of the tape during and at the end of the winding operation, and can also be provided with a device 38 for processing the edges of the tape. The invention makes it possible to manufacture heat exchangers in a reliable and durable manner in a fast, simple and economical manner. By eliminating the pretreatment of sheet steel, the restriction on the length of the spiral-wound steel tapes is eliminated. A device for implementing the method can be easily integrated into an automatic production line of heat exchangers. The invention is not limited to the examples described and presented, but includes all possible options. In particular, the clamps can be adjustable both in width and in thickness or even in length. Both drive mandrels can be the same or different, identical or non-identical form. In addition, it is possible to spirally wound more than two tape branches at a time, for example three or four. Claim 1. Method of manufacturing multilayer products, mainly heat exchangers, consisting of an inner case and an outer casing, including non-layer winding of a tape on a core, during which tension is controlled, characterized in that, in order to increase productivity and reduce metal consumption The winding tape is bent to form two branches and both branches are wound onto the core at the same time; a second tape is attached to the end of one of the branches, which forms an outer one when winding. the casing, the tension force is applied to an additional flexible element temporarily attached to the free end of the second strip.
    [2]
    2. A device for carrying out the method according to claim 1, comprising a drum forming a winch with an axis parallel to the winding axis, an adjustable braking device and a core mounted in the drive supports, characterized in 410, it is provided with an additional flexible element attached to the drum and provided with a clamping zpeimeit mounted on its free end for securing the strip forming the outer casing, the drum is made with a groove for installing the zip element in it.
    [3]
    3. The device according to claim 1, characterized in that the core is made in the form of two mandrels with parallel axes and a distance between them equal to the thickness of the tape to be wound.
    [4]
    4. Device on PP. 2 and 3, about the fact that one of the mandrels is made in the form of two separate, coaxial elgents,
    [5]
    5. Device popp. Zi4, characterized in that the mandrel is made removable.
    [6]
    6. The device according to paragraphs. 3G-5, characterized in that the mandrels are provided with reores mounted perpendicularly to their axis.
    [7]
    7. The device according to claim 2, about t l and that the core is made in the form of a mandrel with a longitudinal
    slot, the width of which is equal to the thickness of the winding tape.
    [8]
    8. The device according to PP. 2-7, characterized in that the drive bearings of the core are installed with the possibility of adjusting their position in the axial direction and are equipped with a device for processing the edges of the tape.
    Sources of information taken into account in the examination
    1. USSR author's certificate 517440, cl. B 21 O 51/24, 1974.
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    同族专利:
    公开号 | 公开日
    FR2374979B1|1980-06-13|
    US4203205A|1980-05-20|
    DE2757202C2|1987-12-10|
    JPS5384258A|1978-07-25|
    DE2757202A1|1978-07-06|
    FR2374979A1|1978-07-21|
    JPS6128916B2|1986-07-03|
    GB1588429A|1981-04-23|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US647900A|1899-04-04|1900-04-17|Arthur W Mccurdy|Apparatus for developing photographic roll-films.|
    US1937077A|1931-03-03|1933-11-28|Lapointe Machine Tool Co|Reversible hydraulic driving mechanism|
    US2236976A|1932-12-16|1941-04-01|American Heat Reclaiming Corp|Method of making heat exchangers|
    US2097592A|1935-02-14|1937-11-02|Celanese Corp|Dye jig|
    NL43777C|1935-05-13|
    US2054459A|1935-05-16|1936-09-15|Daniel W Burt|Manuscript manipulator|
    DE666910C|1937-02-25|1938-10-31|Albert Benteli|Heat exchanger with a number of sheets wound in a spiral shape|
    US2131265A|1937-03-01|1938-09-27|Dow Chemical Co|Spiral heat interchanger and method of making same|
    US2533717A|1947-02-28|1950-12-12|Engineering Dev Lab Inc|Method of making electrical condensers|
    US2533718A|1946-12-27|1950-12-12|Engineering Dev Lab Inc|Method of making electrical condensers|
    US3049312A|1958-12-22|1962-08-14|Universal Match Corp|Receptacle for depository apparatus|
    FR1302506A|1961-07-06|1962-08-31|Heurtey & Cie|Process for forming expanded coils of products in strips and apparatus allowing the implementation of such a process|
    US3277959A|1964-08-12|1966-10-11|Du Pont|Plastic tube heat exchanger and process of making|
    NL6606558A|1966-05-12|1967-11-13|
    DE1602437A1|1967-05-05|1970-09-10|Eberspaecher J|Process for the production of multilayer bodies with cavities arranged between the individual layers|
    DE2110306A1|1971-03-04|1972-03-09|FR2416067B1|1978-02-03|1983-09-02|Spirec Echangeur Spir Ever Cle|
    DE3141300A1|1981-10-17|1983-04-28|KEC Kneissl Energie Consult GmbH, 8184 Gmund|Wound spiral heat exchanger with winding fasteners which can be destroyed from outside|
    CH668118A5|1985-09-06|1988-11-30|Max Breitmeier|METHOD FOR PRODUCING A HEAT EXCHANGER.|
    FR2596144B1|1986-03-24|1988-05-27|Jouet Etienne|SPIRAL HEAT EXCHANGER AND MANUFACTURING METHOD THEREOF|
    DE3817492A1|1988-05-21|1989-11-30|Sueddeutsche Kuehler Behr|Method for the production of a supporting body for a catalytic reactor for emission control|
    DE19837923C1|1998-08-20|2000-01-20|Hans Biermaier|Thermal sterilizer for liquids, such as drinking water, which uses a counter current flow spiral heat exchanger|
    US6308409B1|1999-05-05|2001-10-30|Solar Turbines Incorporated|Recuperator cell assembly system|
    GB2372559B|2001-02-21|2005-01-05|Rolls Royce Plc|A heat exchanger|
    DE10332537A1|2003-07-17|2005-02-03|Arvin Technologies Inc., Columbus|Housing, in particular for a heat exchanger, and method for its preparation|
    GB0318838D0|2003-08-12|2003-09-10|Rolls Royce Plc|A heat exchanger and a method of manufacturing a heat exchanger|
    US8622950B2|2010-05-03|2014-01-07|Medtronic, Inc.|Rolled mat heat exchanger and method of manufacture|
    DE102011089691A1|2011-12-22|2013-06-27|Behr Gmbh & Co. Kg|Heat exchanger has fluid channel provided with fluid inlet and fluid outlet, and plates that are connected with each other, sealed, and rolled together with a heat transfer promoting and turbulence-generating layer|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7639149A|FR2374979B1|1976-12-27|1976-12-27|
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