CN104350350A - A plate heat exchanger with a thermally drilled hole - Google Patents
A plate heat exchanger with a thermally drilled hole Download PDFInfo
- Publication number
- CN104350350A CN104350350A CN201380030937.7A CN201380030937A CN104350350A CN 104350350 A CN104350350 A CN 104350350A CN 201380030937 A CN201380030937 A CN 201380030937A CN 104350350 A CN104350350 A CN 104350350A
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- China
- Prior art keywords
- plate
- heat
- heat exchanger
- hole
- exchangers
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/063—Friction heat forging
- B21J5/066—Flow drilling
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/022—Evaporators with plate-like or laminated elements
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- 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
- F28D9/0006—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 plate-like or laminated conduits being enclosed within a pressure vessel
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- 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
- F28D9/0031—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 paired plates touching each other
- F28D9/0043—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 paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—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 paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0243—Header boxes having a circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0246—Arrangements for connecting header boxes with flow lines
- F28F9/0248—Arrangements for sealing connectors to header boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
- F28F9/0273—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a plate heat exchanger (1) including a plate package (P). The plate package (P) includes a plurality of heat exchanger plates (A, B) of at least two configurations which are joined to each other and alternate with each other to form a stack (2) of heat exchanger plates (A, B), thus forming plate interspaces (3, 4) between the heat exchanger plates. The plate interspaces (3, 4) are arranged to receive at least two different fluids. At least one through hole (20) is arranged to extend between the exterior of the plate package (P) and a compartment (5) inside the plate package. The compartment (5) is at least partly formed by any of the plate interspaces (3, 4), wherein the at least one through hole (20) is formed by a thermal drilling.
Description
Technical field
The present invention generally relates to a kind of heat-exchangers of the plate type, and it has at least one through hole formed by thermic boring.The invention still further relates to a kind of method of arranging at least one through hole in heat-exchangers of the plate type.
Background technology
Heat exchanger and especially heat-exchangers of the plate type are the examples of the thin-wall construction for providing internal channel system, and internal channel system is used for guiding a kind of or several fluid between at least one entrance and at least one outlet.
Typical heat-exchangers of the plate type is formed by multiple thin heat exchanger plate, and heat exchanger plate is arranged to be formed into plate group.Plate group is formed by multiple first and second heat exchanger plates.Heat exchanger plate can for good and all be joined to one another, and is arranged in a side-by and makes to form the first sheet separation between often pair of adjacent first and second heat exchanger plates, and forms the second sheet separation between often pair of adjacent second and first heat exchanger plate.First sheet separation and the second sheet separation separated from one another, and to be arranged side by side with the order replaced in plate group.Substantially each heat exchanger plate has at least first end oral pore and the second port holes, and wherein first end oral pore defines the first access road leading to the first sheet separation, and the second port holes forms the first exit passageway leaving the first sheet separation.
Permanent connection realizes by welding, brazing, bonding or adhesive.In the heat-exchangers of the plate type of this permanent connection, the location-dependent query of entrance or outlet is in the first and second port holes.In addition, any surface profile of heat exchanger plate depends on the position of entrance and exit, thus optimizes the stream flowing through sheet separation, and thus optimizes the thermal efficiency.Substantially, attempt the size reducing port holes, to increase the available heat transfer surface of heat exchanger plate to greatest extent always.
The laminated structure of the thin-walled formed by the heat-exchangers of the plate type forever connected makes the extra entrance of increase or outlet, sensor etc. become very complicated, because it locates the access road or exit passageway that are limited to port holes and formed by it.
About carrying out connecting in the permanent heat-exchangers of the plate type connected or interface exists multiple problem.That mentions below is several: at connecting plate with before forming plate group, by prefabricated in independent plate/press pattern, thus in its sidepiece, produce hole be almost impossible.If in plate group boring or when attacking hole, fragment will inevitably enter in plate group, and pollute it.Because the heat-exchangers of the plate type forever connected has the cross section of high complexity, so it is almost impossible for removing any fragment.But also there is any device polluting and be arranged in its downstream, the risk of such as compressor.The thin goods in sidepiece produced at the flank by separate board are therefore thick not, are not enough to allow be threaded.The complexity of the heat-exchangers of the plate type of permanent connection and irregular laminated structure causes material unreliable for machining, and the internal structure in entrance or outlet may be disintegrated.Usually the surface producing sealing is even difficult in the permanent heat-exchangers of the plate type connected.In addition, assuming that permanent connection is realized by brazing, be so difficult under the condition of not damaging brazed structure, carry out brazing or be welded to connect, such as weld bolt.In addition, making macropore covers one or several sheet separations is very difficult.
In accordance with these examples of problem, be installed on heat-exchangers of the plate type by the connector of any extra entrance or outlet, sensor, probe, fastener etc., it is very difficult for being especially installed on the permanent heat-exchangers of the plate type connected.This is especially true in production in enormous quantities.
Summary of the invention
The object of this invention is to provide a kind of heat-exchangers of the plate type, it has at least one through hole, thus makes up problem above-mentioned.
Another object is to provide a kind of method that through hole carries out basic arbitrarily location in heat-exchangers of the plate type of allowing.
In addition, the method should be applicable to the production in enormous quantities needing high-reliability and high repeatability.
This object is realized by a kind of heat-exchangers of the plate type, it comprises plate group, this plate group comprises multiple heat exchanger plates of at least two kinds of structures, it is joined to one another, and it is alternating with each other to form the stacking of heat exchanger plate, thus sheet separation is formed between heat exchanger plate, sheet separation is arranged to receive at least two kinds of different fluids.The feature of heat-exchangers of the plate type is, at least one via arrangement becomes and extends between the compartment of the inside of the outside of plate group and plate group, and compartment is formed by any sheet separation at least in part, and wherein at least one through hole is formed by thermic boring.
Thermic boring is a kind of non-cutting method, and be also referred to as flowing boring, friction boring or the boring that is shaped, the plasticity which providing material reshapes.Hole is formed by rotating pin-shaped instrument, and pin-shaped instrument has circular cross-section, and circular cross-section has the diameter substantially corresponding with there being hole to be formed.During rotation, instrument creates hole by relying on friction, and friction is caused by high rotary speed.The heat produced makes material become enough has ductility, to be shaped and perforation.When the top of instrument penetrates the lower surface of matrix material, the material be shifted starts to flow on the direction of tool feeding.Some material be shifted may form the collar around the upper surface of workpiece.Surplus material may form sleeve-shaped lining in lower surface.Formed sleeve be very firm, and exemplarily can in independent technique machining screw.
Thermic boring is proved the honey comb structure being applicable to thin-walled, such as heat-exchangers of the plate type surprisingly.In addition, thermic boring is a kind of non-cutting method that can not leave pollution fragment, and polluting fragment may cause uncontrolled throttling or obstruction in the narrow gap of the inside of heat-exchangers of the plate type.In addition, do not have the fragmented risk of shape, fragment may to the device being arranged in heat-exchangers of the plate type downstream, and such as compressor throws into question.Traditionally, the combination of the fragmented strict demand of honey comb structure and not shape makes the making in the hole in the heat-exchangers of the plate type of connection become very complicated, and this is the thing usually will avoided in fact in the conceived case.This is especially true in production in enormous quantities.
By utilizing thermic boring, provide the completely new possibility about the plate group inside close to the permanent heat-exchangers of the plate type connected.This comprises inserting instrument such as sensor, camera etc., so that the supervision improved the operating condition of heat-exchangers of the plate type inside and understanding.In addition, the entrance of associated fluid supply or the completely new possibility of outlet or the location for the pipeline of fluid supply is which provided.In fact, thermic boring allows that through hole is substantially optionally positioned in heat-exchangers of the plate type.In addition, by thermic boring make manufacture macropore become possibility, which provide to a more than sheet separation close to path.
Compartment can comprise the multiple sheet separations communicated with each other by public passage, and wherein at least one via arrangement is in the wall portion limiting public passage.Thus, wall portion can be the circumferential enveloping surface of public passage, or its longitudinal terminal surface.Exemplarily, public passage can be through or along plate group extend access road or exit passageway.
At least one through hole can be arranged to receiving member, and component is included in the group be made up of lower person: the sensor of such as temperature sensor, pressure sensor and optical pickocff, such as drain the connector of connector or peephole, and for the connector of pipeline.Should understand, these are not the restriction examples that possible have component to be applied.
The longitudinal axis of at least one through hole can be arranged to be arranged essentially parallel to the general plane extending longitudinally of heat exchanger plate and extend.
At least one through hole can be arranged in wall portion, and wall portion defines the circumferential side wall of plate group, and sidewall is substantially perpendicular to the general plane of the longitudinally surface extension of heat exchanger plate and extends.
At least one through hole can have the diameter close to path providing a more than sheet separation.
In the upper head plate that at least one through hole can be arranged in the part forming plate group or bottom plate.
Heat exchanger plate in plate group for good and all links together each other by brazing, welding, adhesive or bonding.
At least one through hole can comprise longitudinal enveloping surface, which defines sleeve, and sleeve has coaxial extending longitudinally with the longitudinal axis of through hole, and sleeve can have the free edge part of the inside towards compartment.Sleeve can be used for carrying out being threaded or for receiving lining, lining, connector etc.Sleeve also can be used for providing the passage through one or several sheet separations, thus provide the enhancing of the internal structure to plate group close to path, to allow the insertion of such as sensor.
The circumferential collar formed during the oral area deviating from compartment of at least one through hole can be included in thermic boring.This circumferential collar can be used for being connected with the component be inserted in through hole.
At least one through hole can comprise threaded section.
Heat-exchangers of the plate type also can comprise bracket, and it is arranged in the oral area of at least one through hole or around it.This bracket can be used for being provided with the component be inserted in through hole.
The stacking of plate group comprises multiple first heat exchanger plate and multiple second heat exchanger plate, it is joined to one another, and be arranged in a side-by and make to form the first sheet separation between often pair of first adjacent heat exchanger plate and the second heat exchanger plate, and form the second sheet separation between often pair of adjacent second heat exchanger plate and the first heat exchanger plate.First sheet separation and the second sheet separation can be separated from one another, and are that the order replaced is arranged side by side at least one plate group.
Public passage can comprise the multiple through holes formed by thermic boring, and wherein at least two via arrangement become the first fluid of at least two kinds of different fluid supply public passage.
The first fluid of at least two kinds of different fluid supplies public passage by manifold, and manifold is connected at least two through holes.
This provide multiple advantage needing to be discussed below.For the heat-exchangers of the plate type of brazing, the diameter for the ingress port of first fluid (for cooling agent) passes through design, to be remained in a certain scope by fluid velocity, thus avoids too high Pressure Drop.When its application for two-phase, this is very important for maintenance efficiency and capacity.In the prior art scheme, first fluid is supplied by one end of access road, and access road constitutes public passage, and public passage is made up of the port holes in each independent heat exchanger plate.This means, the port in each independent heat exchanger plate cuts design must customize size based on the flow of its first fluid of supply.Also must consider the maximum quantity of heat exchanger plate, because flow is proportional with it.As everyone knows, port sizes has very strong impact for the pressure drag of heat-exchangers of the plate type.Pressure drag is larger, and situation is worse.The design pressure of heat-exchangers of the plate type is usually by being fixed burst pressure, in the scope of this coefficient usually between 3 to 4.5 divided by a coefficient.Coefficient value mainly appraises and decides the demand of body according to pressure vessel, and is fixed according to design temperature.Allow that the body of minimum coefficient needs pressures cycle endurance life test.When designing the port areas of heat-exchangers of the plate type, this makes it become very has challenge.Exemplarily, at so-called CO
2in Trans-critical cycle (trans-critical) gas cooler, design pressure must in 120 bar left and right, and burst pressure is necessary for 360 bar at its best, is 540 bar when the worst.
By after brazing, in plate group, provide the through hole of multiple thermic boring and supply first fluid by these through holes, the port otch in each heat exchanger plate can do less, because this some holes all only needs a part for the total flow of control over supply plate group.This make the port areas of plate group just more firm.Also an advantage is, less port holes is that independent heat exchanger plate remains the larger region for heat trnasfer.
According to another aspect, the present invention may relate to a kind of method providing through hole in heat-exchangers of the plate type, the method comprises provides a kind of heat-exchangers of the plate type, it comprises plate group, this plate group comprises multiple heat exchanger plates of at least two kinds of structures, and it is joined to one another, and alternating with each other to form the stacking of heat exchanger plate, thus sheet separation is formed between heat exchanger plate, sheet separation is arranged to receive at least two kinds of different fluids; And pass through thermic boring and arrange the through hole extended between the compartment of the inside of at least one outside in plate group and plate group, compartment is formed by any sheet separation at least in part.
Accompanying drawing explanation
By example, embodiments of the invention are described now with reference to accompanying schematic figure, wherein:
Fig. 1 schematically discloses the side view of typical heat-exchangers of the plate type.
Fig. 2 show schematically show the front view of the heat-exchangers of the plate type of Fig. 1.
Fig. 3 discloses the cross section of the access road of plate group along typical heat-exchangers of the plate type or the high-level schematic of exit passageway.
Fig. 4 and Fig. 5 discloses the example of the high-level schematic of the first and second heat exchanger plates of heat-exchangers of the plate type.
Fig. 6 discloses the first embodiment of the cross section of the high-level schematic of the plate group of heat-exchangers of the plate type, which illustrates different lead to the hole site.
Fig. 7 a-7d schematically discloses the formation in thermic boring and the through hole of follow-up hot tapping (tapping) period.
Fig. 8 discloses the schematic cross-section of the through hole be made up of thermic boring.
Disclose the cross-sectional plan view of the plate group of heat-exchangers of the plate type Fig. 9 high-level schematic.
Detailed description of the invention
Fig. 1 to Fig. 3 discloses a typical example of heat-exchangers of the plate type 1.Heat-exchangers of the plate type 1 comprises plate group P, and it is formed by multiple compression molded heat exchanger plate A, B, and heat exchanger plate is arranged side by side each other, thus forms stacking 2.The heat exchanger plate comprised in an embodiment is two kinds of dissimilar heat exchanger plates, and it is called as the first heat exchanger plate A below, sees Fig. 3, Fig. 4 and Fig. 6, and the second heat exchanger plate B, sees Fig. 3, Fig. 5 and Fig. 6.Plate group P comprises the first heat exchanger plate A and the second heat exchanger plate B of substantially the same quantity.
As seen from Figure 3, heat exchanger plate A, B is arranged side by side into and makes to form the first sheet separation 3 between often couple of first adjacent heat exchanger plate A and the second heat exchanger plate B, and forms the second sheet separation 4 between often couple of adjacent second heat exchanger plate B and the first heat exchanger plate A.Thus define corresponding first sheet separation 3 every a sheet separation, and remaining sheet separation defines corresponding second sheet separation 4, namely the first and second sheet separations 3,4 are that the order replaced is arranged in plate group P.In addition, the first and second sheet separations 3 are separated each other substantially completely with 4.
Thus multiple compartment 5 is defined in the inside of plate group P.Exemplarily, the first compartment 51 is formed by any first sheet separation 3 at least in part, and the second compartment 52 is formed by any second sheet separation 4 at least in part.
Plate group P also comprises upper head plate 6 and bottom plate 7, and it is located at the corresponding side of plate group P.
Heat-exchangers of the plate type 1 can advantageously be suitable for operating as evaporimeter in coolant circuit (not open).In this evaporator application, the first sheet separation 3 can be formed for first fluid, the path of such as cooling agent, and the second sheet separation can form the path for second fluid, and second fluid is suitable for cooled agent cooling.
In embodiment disclosed in Fig. 1 and Fig. 3, heat exchanger plate A, B and upper and lower end plate 6,7 for good and all link together each other.This permanent connection can perform advantageous by brazing, welding, adhesive or bonding.
Special in Fig. 2, find out in 4 and 5, each heat exchanger plate A, B have four port holes 8 substantially, i.e. first end oral pore 8, second port holes 8, the 3rd port holes 8 and the 4th port holes 8.First end oral pore 8 defines the first access road 9 leading to the first sheet separation 3, and it is essentially through whole plate group P, i.e. all plate A, B and upper head plate 6.Second port holes 5 defines the first exit passageway 10 leaving the first sheet separation 3, and it is essentially through whole plate group P, i.e. all plate A, B and upper head plate 6.3rd port holes 5 defines the second access road 11 leading to the second sheet separation 4, and the 4th port holes 5 defines the second exit passageway 12 leaving the second sheet separation 4.Equally, these two passages 11 and 12 pass whole plate group P, i.e. all plate A, B and upper head plate 6 substantially.
In the embodiment disclosed, the first access road 9 be communicated with is kept can be regarded as a part for the first compartment 51 with the first sheet separation 3.Keep the first exit passageway 10 be communicated with also can be regarded as the part of the first compartment 51 with the first sheet separation 3.Similarly, in the embodiment disclosed, the second access road 11 be communicated with is kept can be regarded as a part for the second compartment 52 with the second sheet separation 4.Keep the second exit passageway 12 be communicated with also can be regarded as the part of the second compartment 52 with the second sheet separation 4.
In the heat-exchangers of the plate type of such prior art, the first sheet separation 3 is by the first access road 9 or the first exit passageway 10, namely close by the first compartment 51.Similarly, the second sheet separation 4 is by the second access road 11 or the second exit passageway 12, namely close by the second compartment 52.
In the heat-exchangers of the plate type of prior art, any instrument, sensor etc. all pass through these passages 9,10,11, a passage in 12 and inserting, thus they allow a passage in these passages extending longitudinally come close.But this allows the region of the strict restriction close to heat-exchangers of the plate type inside, and especially, it does not allow close to independent heat exchanger plate A, the heat transfer surface of B.Be cumbersome close to this region, and between the normal operating period of the system of large-scale production, the reason for reality is impossible.
Now, in order to understand the present invention better, with reference to Fig. 6, it discloses the access road 9 of typical heat-exchangers of the plate type 1; 11 or exit passageway 10; The schematically cross section of 12, heat-exchangers of the plate type 1 describes one embodiment of the present of invention.Although cross section is limited to access road or exit passageway 9; 10; 11; Region in 12 and its peripheral region, but identical principle is applicable to any outer wall section of the plate group P of heat-exchangers of the plate type 1.
Fig. 6 discloses multiple first and second heat exchanger plate A, B, it is arranged side by side into and makes to define the first sheet separation 3 between often couple of first adjacent heat exchanger plate A and the second heat exchanger plate B, and defines the second sheet separation 4 between often couple of adjacent second heat exchanger plate B and the first heat exchanger plate A.Thus define corresponding first sheet separation 3 every a sheet separation, and remaining sheet separation defines corresponding second sheet separation 4, namely the first and second sheet separations 3,4 are that the order replaced is arranged in plate group P.In addition, the first and second sheet separations 3 are separated each other substantially completely with 4.
The circumferential side wall 13 of plate group P comprises multiple outward extending flange 14, and each flange 14 is formed by the outer peripheral edge portion 15 of a pair adjacent the first heat exchanger plate A and the second heat exchanger plate B.Circumferential side wall 13 is substantially perpendicular to the first and second heat exchanger plate A, the general plane 16 of B and extending.
In the embodiment disclosed, multiple through hole 20 is arranged in the circumferential side wall 13 of plate group P.Through hole 20 is made by thermic boring.Thermic boring will be described as a kind of method below.The longitudinal axes L of each through hole 20 is arranged to be arranged essentially parallel to the first and second heat exchanger plate A, the general plane 16 of B and extending.
In the embodiment disclosed, each first sheet separation 3 comprises through hole 20, and it extends to penetrating via from the outside of plate group P, and penetrating via is access road 9; 11 or exit passageway 10; 12.Should understand, it is also operable for being different from other shown pass.In addition, should understand, by thermic boring, through hole 20 can be arranged in along in any random position of the circumferential side wall 13 of plate group P.
In the embodiment disclosed, through hole 20 is arranged to make its longitudinal axes L slightly depart from adjacent flange 14, and through hole 20 is made for essentially by the first or second heat exchanger plate A thus, a part of B, and heat exchanger plate A, B together form a pair heat exchanger plate A, B.Should understand, other position is also feasible.
Should understand, the circumferential side wall 13 of plate group P can be substantially level and smooth.This extends by such as making multiple outward extending flange 14 bend to be basically parallel to circumferential wall portion 13 and realizes, or realizes by cutting off flange 14.Will also be appreciated that cross section depends on the heat exchanger plate A of composing plate group P, the picture on surface 21 of B.
In addition, in figure 6, through hole 20 is arranged in upper head plate 6, makes from the outside of plate group P to the sheet separation 3 near upper head plate 6 thus; The connection of 4 becomes possibility.In the embodiment disclosed, through hole 20 extends in the first sheet separation 3, namely in the first compartment 51.According to the desired use of through hole 20, any random position is all possible.Identical principle is applicable to bottom plate 7.
Fig. 6 also discloses the through hole 20 be arranged in bottom plate 7; 23.Through hole 20; 23 through the sheet separation 3 near bottom plate 7; 4, and extend to the second follow-up sheet separation 3; In 4.In the embodiment disclosed, through hole 20; The longitudinal axes L of 23 passes two heat exchanger plate A connected, the joint 22 between B.Should understand, other position is also feasible.
In addition, Fig. 6 discloses through hole 20; An embodiment of 23, it has the diameter allowed close to more than first or the second sheet separation 3,4.Disclosed through hole 20; 23 have cross over multiple heat exchanger plate A, B and thus cross over two or several sheet separations 3,3; 4, the next door 24 between 4 and extend region, next door 24 is formed by this heat exchanger plate A, B.
Forward Fig. 9 to now, disclose the cross-sectional plan view of the plate group P of heat-exchangers of the plate type its high-level schematic.
For the supply of first fluid and the public passage 9 of distribution; 10; 11; 12 comprise multiple through hole 20 formed by thermic boring.First fluid supplies public passage 9 by manifold 50; 10; 11; 12.Manifold 50 is connected on the outer wall 51 of plate group P, and by through hole 20 and with public passage 9; 10; 11; 12 keep being communicated with.
Should understand, first fluid is distributed to public passage 9 by the nozzle or valve (not open) with described manifold arranged in association; 10; 11; In 12.
Fluid is by independent pipeline (not having open) or supply through hole 20 by the manifold 50 be communicated with multiple through hole.Through hole by tapping, thus can fix necessary connector, and utilizes packing ring, O shape ring etc. to seal.Soft copper weldering is also operable.
Should understand, through hole 20 can arrange other pattern in a row or any.Will also be appreciated that identical principle is not only applicable to the ingress port of first fluid, but also be applicable to other port any of plate group.
Thermic boring is also referred to as flowing boring, friction boring or the boring that is shaped, and it is a kind of non-cutting method for the formation of hole.Hole can be through hole or blind hole.Technical process is shown in Fig. 7 a-7c.The plasticity that thermic boring provides material reshapes.Hole 20 is formed by rotating pin-shaped instrument 30, and pin-shaped instrument has circular cross section, and circular cross section has the diameter substantially corresponding with there being hole to be formed, see Fig. 7 a.Instrument 30 has the free end 31 of taper, and it engages with matrix material 32 under high rotary speed and relatively high axial compressive force, thus forms hole 20.Exemplarily, instrument 30 can by carbide, and such as tungsten carbide is made.During rotation, see Fig. 9 b, instrument 30 creates hole by relying on friction, and friction is caused by high rotary speed.The heat produced makes matrix material 32 become enough has ductility, to be shaped and perforation.When instrument 30 advances in the axial direction, there occurs dislodgment, see Fig. 7 c.The material be shifted at first upwards flows towards instrument.When the top of the free end 31 of instrument 30 penetrates the lower surface 33 of matrix material 32, the material be shifted starts to flow on the direction of tool feeding.Along with material deliquescing, axial force is reduced, and feed speed is increased.Some material be shifted may form the collar 34 around the upper surface 35 of matrix material 32.Remaining material defines sleeve 36 in lower surface 33.The collar 34 and sleeve 36 will be coaxial with the through hole 20 produced, and have L extending longitudinally, and it is only slight beyond the thickness of matrix material 32.The degree of finished product sclerosis depends on material.As a result, the sleeve 36 formed is very firm, and exemplarily can in independent technique machining screw, see Fig. 7 d.Screw thread can be made in the inside of sleeve 36 or outside.Should understand, screw thread 37 can be confined to a part for the collar 34, matrix material 32 and sleeve 36.
Standard borehole NC and CNC machine are all suitable for thermic boring.But technique depends on the speed and vigor that specific purpose tool 30 engages with matrix material 32.Should understand, the parameters such as such as bore diameter, material and thickness all can affect suitable rotary speed, feed speed and axial force.Such as, thin material may bend or disintegrate under excessive pressure, thus needs enough supports to prevent distortion.Prebored hole can reduce the axial force of needs, and remains the level and smooth fineness in sleeve lower limb.But due to the formation of fragment, prebored hole is not a selection usually when being applied to heat exchanger.Because thermic boring is a kind of non-cutting method, so do not form fragment, fragment may fall into and pollute heat-exchangers of the plate type, such as the permanent plate group connected, or is arranged in any device in this heat-exchangers of the plate type downstream.It is very outstanding that thermic boring has been proved to be when manufacturing macropore 23 surprisingly, and macropore has crosses over multiple sheet separation 3,3; The diameter of 4,4, in similar heat-exchangers of the plate type 1.
Assuming that sleeve 36 will tapping, this is by utilizing hot tapping to realize, and it utilizes substantially the principle identical with thermic boring, and its essential distinction is that temperature is much lower.The plasticity that hot tapping provides material reshapes.See Fig. 7 d, the instrument 38 used has screw thread 38a, and when being during rotation inserted in hole 20, and the material in the enveloping surface in hole is by the screw thread pit that flow into instrument 38 and summit 38a.Thus, screw thread is cold forming, does not leave fragment.Should understand, the form of screw thread, the degree of depth and intensity are determined by selected instrument 38.Will also be appreciated that screw thread is made by the traditional cold plastic forming of non-cutting.
Forward Fig. 8 to now, it discloses the schematic cross section of the through hole 20 be made up of thermic boring.Because thermic boring is that a kind of plasticity reshapes method, in the method, hole 30 is by making dislodgment but not cutting material is formed, so the intention of through hole 20 deviates from sheet separation 3; The oral area 39 of 4 may comprise the circumferential collar 34 being shifted material and being formed.Can be shaped to the collar 34, to control the shape of the collar 34 by the instrument 30 used during thermic boring.In addition, through hole 20 comprises longitudinal enveloping surface on the downside of it, which defines sleeve 36, and sleeve has coaxial extending longitudinally with the longitudinal axes L of through hole 20.Sleeve 36 has free edge part 40.Equally, sleeve 36 is also the result of thermic boring, and thermic boring is that a kind of plasticity reshapes method.Through hole 20 can tapping.Screw thread can along whole inside envelope surface 41 of through hole 20, namely makes from the outward flange of the collar 34 to the free edge part 40 of sleeve 36.Or some is by tapping for enveloping surface 41.Should understand, the collar 34 can be used as any device, or for the connecting surface of bracket etc.
Through hole 20 can be used for receiving or install dissimilar sensor (not open), such as temperature sensor, pressure sensor and optical pickocff.Through hole 20 also can be used for installing connector (not open), such as, drain connector or peephole.Typical excretion connector is the excretion connector for compressor oil and the excretion connector for system exhaust.Through hole 20 also can be used as the independent entrance of reverse cooling/heating task or outlet (not open).
The present invention has carried out total volume description based on heat-exchangers of the plate type 1, and it has first and second sheet separations 3 of allowing two kinds of fluid flowings; 4 and four port holes 8.Should understand, the present invention is also applicable to regard to the quantity of sheet separation, the quantity of port holes and has with regard to amount of fluid to be manipulated, has the heat-exchangers of the plate type of different configuration.The present invention is even applicable to the heat-exchangers of the plate type of the through-hole form eliminating to be integrated in heat exchanger plate and one or several access roades formed or exit passageway.No matter will also be appreciated that the present invention is applicable to the heat exchanger of what type.Exemplarily, it can be applicable to shell-and-tube exchanger or spiral heat exchangers.
In the embodiment disclosed, four port holes 8 are located at the heat exchanger plate A of basic rectangle, near the corresponding corner of B.Should understand, other position is feasible, and the present invention should not be limited to shown and disclosed position.
The present invention is also applicable to the heat-exchangers of the plate type (not open) of the heat exchanger plate comprising paired permanent connection, and wherein often pair of heat exchanger plate forms a chamber.In this scheme, packing ring can be arranged between each chamber.Equally, in such an embodiment, the heat exchanger plate forming each chamber for good and all couples together by welding.The present invention is also applicable to the heat-exchangers of the plate type (not open) that wherein plate group is kept together by the through bolt through heat exchanger plate and upper and lower end plate.In the latter cases, packing ring can be used between heat exchanger plate.
The present invention is not limited to the disclosed embodiments, but can carry out within the scope of the appended claims changing and revising, and it has carried out part and has described above.
Claims (16)
1. a heat-exchangers of the plate type (1), comprise plate group (P), described plate group comprises multiple heat exchanger plate (A of at least two kinds of structures, B), it is joined to one another, and it is alternating with each other to form heat exchanger plate (A, B) stacking (2), thus at described heat exchanger plate (A, B) sheet separation (3 is formed between, 4), described sheet separation (3, 4) at least two kinds of different fluids are arranged to receive, it is characterized in that, at least one through hole (20) is arranged to extend between the outside of described plate group (P) and the compartment (5) of the inside of described plate group (P), described compartment (5) is at least in part by any sheet separation (3, 4) formed, wherein said at least one through hole (20) is formed by thermic boring.
2. heat-exchangers of the plate type according to claim 1, is characterized in that, described compartment (5) comprises by public passage (9; 10; 11; 12) the multiple sheet separations (3,4) communicated with each other, wherein said at least one through hole (20) is arranged in and limits described public passage (9; 10; 11; 12) in wall portion.
3. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, it is characterized in that, described at least one through hole (20) is arranged to receiving member, described component is included in the group of lower person composition: the sensor of such as temperature sensor, pressure sensor and optical pickocff, such as drain the connector of connector or peephole, and for the connector of pipeline.
4. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, it is characterized in that, the longitudinal axis (L) of described at least one through hole (20) is arranged to the general plane (16) of the longitudinally surface extension being basically parallel to described heat exchanger plate (A, B) and extends.
5. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, it is characterized in that, described at least one through hole (20) is arranged in wall portion, described wall portion limits the circumferential side wall (13) of described plate group (P), described sidewall is substantially perpendicular to the general plane (16) of the longitudinally surface extension of described heat exchanger plate (A, B) and extends.
6. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, is characterized in that, described at least one through hole (20) has provides diameter close to path to a more than sheet separation (3,4).
7. the heat-exchangers of the plate type according to the arbitrary claim in claim 1-6, it is characterized in that, at least one via arrangement described is in upper head plate or bottom plate (6,7), and described upper head plate or bottom plate form a part for described plate group (P).
8. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, is characterized in that, the described heat exchanger plate (A, B) in described plate group (P) is for good and all linked together by brazing, welding, adhesive or bonding.
9. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, it is characterized in that, described at least one through hole (20) comprises longitudinal enveloping surface (41), which defines sleeve (36), described sleeve has coaxial extending longitudinally with the longitudinal axis of described through hole (20) (L), and described sleeve has free edge part (40), and it is towards the inside of described compartment (5).
10. the heat-exchangers of the plate type according to the arbitrary claim in aforementioned claim, it is characterized in that, the circumferential collar (34) formed during the oral area (39) deviating from described compartment (5) of described at least one through hole (20) is included in thermic boring.
11. heat-exchangerss of the plate type according to the arbitrary claim in aforementioned claim, it is characterized in that, described at least one through hole (20) comprises threaded section (37).
12. heat-exchangerss of the plate type according to the arbitrary claim in aforementioned claim, is characterized in that, also comprise bracket, and it is arranged in the oral area of at least one through hole described or around it.
13. heat-exchangerss of the plate type according to claim 1, it is characterized in that, stacking (2) of described plate group (P) comprise multiple first heat exchanger plate (A) and multiple second heat exchanger plate (B), it is joined to one another, and be arranged in a side-by and make to form the first sheet separation (3) between often pair of adjacent first heat exchanger plate (A) and the second heat exchanger plate (B), and between often pair of adjacent second heat exchanger plate (B) and the first heat exchanger plate (A), form the second sheet separation (4), wherein said first sheet separation (3) and described second sheet separation (4) separated from one another, and be arranged side by side with the order replaced at least one plate group (P) described.
14. heat-exchangerss of the plate type according to claim 2, is characterized in that, described public passage (9; 10; 11; 12) comprise the multiple through holes (20) formed by thermic boring, wherein at least two through holes (20) are arranged to the first fluid in described at least two kinds of different fluid to supply described public passage (9; 10; 11; 12).
15. heat-exchangerss of the plate type according to claim 14, is characterized in that, the first fluid in described at least two kinds of different fluid supplies described public passage (9 by manifold (50); 10; 11; 12), described manifold be connected to described at least two through holes (20).
16. 1 kinds of methods that through hole (20) are provided in heat-exchangers of the plate type (1), described method comprises:
Heat-exchangers of the plate type (1) is provided, it comprises plate group (P), and described plate group comprises multiple heat exchanger plates (A, B) of at least two kinds of structures, it is joined to one another, and alternating with each other with stacking (2) that form heat exchanger plate, thus form sheet separation (3 between described heat exchanger plate (A, B), 4), described sheet separation (3,4) is arranged to receive at least two kinds of different fluids, and
At least one through hole (20) is arranged by thermic boring, described through hole extends between the outside of described plate group (P) and the compartment (5) of the inside of described plate group (P), described compartment (5) is formed by any sheet separation (3,4) at least in part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12171915.7A EP2674715A1 (en) | 2012-06-14 | 2012-06-14 | A plate heat exchanger with thermally drilled hole |
| EP12171915.7 | 2012-06-14 | ||
| PCT/EP2013/061982 WO2013186193A1 (en) | 2012-06-14 | 2013-06-11 | A plate heat exchanger with thermally drilled hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104350350A true CN104350350A (en) | 2015-02-11 |
Family
ID=48672583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380030937.7A Pending CN104350350A (en) | 2012-06-14 | 2013-06-11 | A plate heat exchanger with a thermally drilled hole |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20150168075A1 (en) |
| EP (1) | EP2674715A1 (en) |
| JP (1) | JP2015519535A (en) |
| KR (2) | KR20150030235A (en) |
| CN (1) | CN104350350A (en) |
| TW (1) | TWI619920B (en) |
| WO (1) | WO2013186193A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684229A (en) * | 2017-12-14 | 2020-09-18 | 加拿大粉体流冷却科学公司 | Plate heat exchanger for heating or cooling solid particulate material |
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| EP2413045B1 (en) * | 2010-07-30 | 2014-02-26 | Grundfos Management A/S | Heat exchange unit |
| SI2674716T1 (en) | 2012-06-14 | 2015-08-31 | Alfa Laval Corporate Ab | A plate heat exchanger |
| EP2674714B1 (en) | 2012-06-14 | 2019-07-24 | Alfa Laval Corporate AB | A plate heat exchanger with injection means |
| KR101583921B1 (en) | 2014-05-02 | 2016-01-11 | 현대자동차주식회사 | Method and apparatus for manufacturing heat exchanger for vehicle |
| US9696097B2 (en) * | 2014-08-01 | 2017-07-04 | Applied Materials, Inc. | Multi-substrate thermal management apparatus |
| US9488210B2 (en) | 2014-09-30 | 2016-11-08 | Ford Global Technologies, Llc | Flow drill screw assembly and method |
| US10473209B2 (en) * | 2015-07-29 | 2019-11-12 | Zhejiang Sanhua Automotive Components Co., Ltd. | Heat exchange device |
| CN106001662B (en) * | 2016-06-28 | 2017-12-05 | 洛阳红奇机械科技有限公司 | A kind of manufacturing process of big plate hot press integral type water jacket heating plate |
| SE542528C2 (en) | 2016-12-16 | 2020-06-02 | Swep Int Ab | Brazed plate heat exchanger with a temperature sensor |
| DE102017211529A1 (en) * | 2017-07-06 | 2019-01-10 | Mahle International Gmbh | Insert tube for the inlet channel of a plate heat exchanger |
| WO2019190207A1 (en) | 2018-03-27 | 2019-10-03 | 엘지전자 주식회사 | Plate-type heat exchanger and method for manufacturing same |
| KR102115924B1 (en) * | 2018-03-27 | 2020-05-27 | 엘지전자 주식회사 | Plate type heat exchanger and a method for manufacturng the same |
| CN114270146A (en) * | 2019-08-23 | 2022-04-01 | 特兰特公司 | Sensor assembly for heat exchanger |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2015519535A (en) | 2015-07-09 |
| KR20170020937A (en) | 2017-02-24 |
| KR20150030235A (en) | 2015-03-19 |
| TW201405085A (en) | 2014-02-01 |
| WO2013186193A1 (en) | 2013-12-19 |
| EP2674715A1 (en) | 2013-12-18 |
| TWI619920B (en) | 2018-04-01 |
| US20150168075A1 (en) | 2015-06-18 |
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Application publication date: 20150211 |