CN105008843A - Plate-type heat exchanger - Google Patents

Plate-type heat exchanger Download PDF

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Publication number
CN105008843A
CN105008843A CN201380073887.0A CN201380073887A CN105008843A CN 105008843 A CN105008843 A CN 105008843A CN 201380073887 A CN201380073887 A CN 201380073887A CN 105008843 A CN105008843 A CN 105008843A
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CN
China
Prior art keywords
stream
flow path
lamination direction
heat transfer
transfer plate
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Granted
Application number
CN201380073887.0A
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Chinese (zh)
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CN105008843B (en
Inventor
田中信雄
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Hisaka Works Ltd
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Hisaka Works Ltd
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Publication of CN105008843A publication Critical patent/CN105008843A/en
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Publication of CN105008843B publication Critical patent/CN105008843B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00Heat-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
    • F28D9/0031Heat-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
    • F28D9/0043Heat-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
    • F28D9/005Heat-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00Fastening; Joining
    • F28F2275/04Fastening; Joining by brazing

Abstract

The invention relates to a plate-type heat exchanger, which is characterized in that at least one first flow path which is in an intermediate position in the heat transfer plate stacking direction is a base flow path which is a branching position of the first fluid flow path. The main body has a pair of primary branch paths which allow communication between the base flow path and at least one first flow path on both sides of the base flow path in the stacking direction of the heat transfer plates. One of first communication paths communicates only with the base flow path, and the other of the first communication paths communicates only with the first flow paths which are on both sides of the base flow path in the heat transfer plate stacking direction and which are terminal ends of the first fluid flow path.

Description

Heat-exchangers of the plate type
Association request cross-referenced
The application advocates the priority of No. 2013-74896, Japan's patent application, and the content that No. 2013-74896, Japan's patent application is written in the record of present specification by reference.
Technical field
The present invention relates to the heat-exchangers of the plate type being used as evaporimeter and condenser.
Background technology
All the time, heat-exchangers of the plate type is used to evaporimeter and condenser as heat exchanger more, described evaporimeter, with the heat exchange of first fluid and second fluid, first fluid is evaporated, described condenser, first fluid condensation (for example, referring to patent document 1) is made with the heat exchange of first fluid and second fluid.
In general, as shown in Figure 5, heat-exchangers of the plate type has main part 3, and this main part 3 comprises multiple heat transfer plate 2.Main part 3 has: first flow path 30; Second stream 31; A pair first access 32,33; A pair second access 34,35.First flow path 30 makes first fluid A circulate.Second stream 31 makes second fluid B circulate.A pair first access 32,33 are communicated with first flow path 30, and first fluid A is flowed in this first flow path 30, flow out.A pair second access 34,35 are communicated with the second stream 31, and second fluid B is flowed in this second stream 31, flow out.
Illustrate further.Multiple heat transfer plate 2 has at least four openings (not numbering) respectively.And lamination has multiple heat transfer plate 2 in main part 3.Thus, be that boundary is alternately formed with the first flow path 30 that first fluid A is circulated and the second stream 31 that second fluid B is circulated with heat transfer plate 2.In addition, because multiple heat transfer plate 2 is by lamination, so the opening be formed on heat transfer plate 2 is connected on the lamination direction of multiple heat transfer plate 2.Thus, second access 35 of the first access 32 making first fluid A flow into the side of first flow path 30, the first access 33 of opposite side that first fluid A is flowed out from first flow path 30, the second access 34 making second fluid B flow into the side of the second stream 31 and opposite side that second fluid B is flowed out from the second stream 31 runs through heat transfer plate 2, and (for example, referring to patent document 1) is extended on the lamination direction of multiple heat transfer plate 2.
In this heat-exchangers of the plate type 1, the first fluid A that the first access 32 to side supplies is flowed out by first access 33 of first flow path 30 to opposite side.In addition, the second fluid B supplied to the second access 34 of side is flowed out by second access 35 of the second stream 31 to opposite side.And in heat-exchangers of the plate type 1, as mentioned above, first fluid A circulates in first flow path 30, and second fluid B circulates in the second stream 31.Thus, heat-exchangers of the plate type 1 via separate first flow path 30 and the second stream 31 heat transfer plate 2 larger heat-transfer area and make first fluid A and second fluid B carry out heat exchange.
Therefore, in this heat-exchangers of the plate type 1, the quantity of the heat transfer plate 2 of lamination is more, and the heat transfer area of making contributions to heat exchange is larger, more can improve heat exchange performance.
But, if the quantity of heat transfer plate 2 increases, then with the quantity of the heat transfer plate 2 of lamination correspondingly, the length of the first access 32,33 and second access 34,35 that the lamination direction of heat transfer plate 2 extends is also elongated.
Namely, a pair first access 32,33 and a pair second access 34,35 are formed respectively owing to being connected by the opening of heat transfer plate 2, therefore, if the increasing number of the heat transfer plate of lamination 2, then the respective flow path length of a pair first access 32,33 and a pair second access 34,35 also correspondingly can increase with the quantity of heat transfer plate 2.
Its result, the circulating resistance making first fluid A flow into the first fluid A in first access (the first access of side) 32 of first flow path 30 becomes large, and first fluid A becomes and is difficult to circulation.Therefore, in this heat-exchangers of the plate type 1, the first fluid A of the end side of the influx of first fluid A to first flow path 30 of the entrance side of the first access 32 in side and the first access 32 in side becomes uneven to the influx of first flow path 30.That is, in this heat-exchangers of the plate type 1, first fluid A can produce inequality to the distribution of multiple first flow path 30 side by side on the lamination direction of heat transfer plate 2.Its result is, in this heat-exchangers of the plate type 1, even if increase the quantity (even if increasing the quantity of first flow path 30) of heat transfer plate 2, in raising heat exchange performance (volatility), also there is boundary.
Prior art document
Patent document
Patent document 1: the flat 11-287572 publication of Japanese Laid-Open
Summary of the invention
The problem of invention for solving
Therefore, problem of the present invention is to provide a kind of heat-exchangers of the plate type, can suppress the increase of the pressure loss in multiple first flow path that first fluid is circulated, be supplied equably by first fluid simultaneously to multiple first flow path.
For solving the means of problem
Heat-exchangers of the plate type of the present invention, has main part, and this main part comprises multiple heat transfer plates of lamination, and main part has: multiple first flow path that first fluid is circulated, multiple second streams that second fluid is circulated, be communicated in first flow path and make a pair first access that first fluid flows into relative to first flow path, flows out, be communicated in the second stream, and second fluid is flowed into relative to the second stream, a pair second access flowed out, first flow path and the second stream are that boundary is alternately formed with heat transfer plate, first access and the second access run through heat transfer plate respectively and extend on the lamination direction of this heat transfer plate, it is characterized in that, first flow path is communicated with each other thus forms the stream of the first fluid of the first access from the first access of side to opposite side, at least one first flow path being arranged in the position, way in the lamination direction of heat transfer plate is the benchmark stream of the branch location of the stream being in first fluid, main part has at least one pair of branch path, this a pair one time branch path makes benchmark stream be communicated with by the end side in lamination direction and at least one first flow path of another side than benchmark stream with laying respectively on the lamination direction of heat transfer plate, first access of side only with benchmark fluid communication, first access of opposite side only be positioned on the lamination direction of heat transfer plate than benchmark stream by the end side in lamination direction and another side, and the first flow path of the terminal of the stream of the body that gains the first rank is communicated with.
As a mode of the present invention, can also be, the first flow path arranging more than three than benchmark stream by the end side in lamination direction and another side respectively on the lamination direction of heat transfer plate, on the lamination direction of heat transfer plate, be located at respectively and lean in the first flow path of the end side in lamination direction and more than three of another side than benchmark stream, the first flow path being arranged in the position, way in the lamination direction of heat transfer plate is the middle benchmark stream of the branch location of the stream being in first fluid, main part has a pair two times branch path, these a pair two times branch path make middle benchmark stream and being communicated with by the end side in lamination direction and at least one first flow path of another side than middle benchmark stream on the lamination direction laying respectively at heat transfer plate, branch path respectively be positioned on the lamination direction of heat transfer plate than benchmark stream by the end side in lamination direction and each middle benchmark fluid communication of another side.
In this situation, can also be, end side and another side of leaning on lamination direction than benchmark stream respectively on the lamination direction of heat transfer plate, respectively on the lamination direction of heat transfer plate, than middle benchmark stream, plural first flow path is set by the end side in lamination direction and another side, main part having respectively by the end side in lamination direction and another side than benchmark stream on the lamination direction of heat transfer plate: to the link road leaning on the plural first flow path of the end side in lamination direction to connect each other than middle benchmark stream be positioned on the lamination direction of heat transfer plate, and to the link road connected each other by the plural first flow path of another side in lamination direction than middle benchmark stream be positioned on the lamination direction of heat transfer plate, lay respectively on the lamination direction of heat transfer plate lean on the end side in lamination direction and at least one first flow path of another side than middle benchmark stream and at least one first flow path of terminal of the stream of the body that gains the first rank is communicated with the first access of opposite side.
In addition, in this situation, can also be alternatively, end side and another side of leaning on lamination direction than benchmark stream respectively on the lamination direction of heat transfer plate, and than middle benchmark stream, multiple first flow path is set by the end side in lamination direction and another side respectively on the lamination direction of heat transfer plate, be separately positioned on the lamination direction of heat transfer plate than middle benchmark stream by the end side in lamination direction and multiple first flow path of another side, the first flow path being arranged in the position, way in the lamination direction of heat transfer plate is branch's benchmark stream of the branch location of the stream being in first fluid, main part has a pair three times branch path, these a pair three times branch path make branch's benchmark stream and the score on the lamination direction laying respectively at heat transfer plate prop up benchmark stream to be communicated with by the end side in lamination direction and at least one first flow path of another side, a pair two times branch path respectively be positioned on the lamination direction of heat transfer plate than middle benchmark stream by the end side in lamination direction and each branch benchmark fluid communication of another side, the score laid respectively on the lamination direction of heat transfer plate props up benchmark stream by the end side in lamination direction and at least one first flow path of another side, and at least one first flow path of the terminal of the stream of the body that gains the first rank is communicated with the first access of opposite side.
In this situation, can also be that the score on the lamination direction of heat transfer plate props up benchmark stream by the end side in lamination direction and another side is each respectively arranges a first flow path, and this first flow path is communicated with the first access of opposite side.
In addition, can also be, score on the lamination direction of heat transfer plate props up benchmark stream by the end side in lamination direction and another side is each respectively arranges plural first flow path, and main part has: the link road making the score be positioned on the lamination direction of heat transfer plate prop up benchmark stream to communicate with each other by the plural first flow path of the end side in lamination direction; And the link road making the score be positioned on the lamination direction of heat transfer plate prop up benchmark stream to communicate with each other by the plural first flow path of another side in lamination direction, the score be positioned on the lamination direction of heat transfer plate prop up benchmark stream by the end side in lamination direction and at least one first flow path of another side and at least one first flow path of terminal of the stream of the body that gains the first rank be communicated with the first access of opposite side.
Accompanying drawing explanation
Fig. 1 is the overall summary stereogram of the heat-exchangers of the plate type of an embodiment of the invention.
Fig. 2 is the summary exploded perspective view of the heat-exchangers of the plate type of present embodiment.
Fig. 3 is the stream of first fluid of heat-exchangers of the plate type for illustration of present embodiment and the synoptic diagram of the stream of second fluid.
Fig. 4 is the stream of first fluid of heat-exchangers of the plate type for illustration of other embodiments of the present invention and the synoptic diagram of the stream of second fluid.
Fig. 5 is the synoptic diagram for illustration of the stream of the first fluid of existing heat-exchangers of the plate type and the stream of second fluid.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings of the heat-exchangers of the plate type of an embodiment of the invention.
As shown in Figure 1, heat-exchangers of the plate type has main part 3, and this main part 3 comprises by multiple heat transfer plates 2 of lamination.
As shown in Figures 2 and 3, main part 3 has: first flow path 30; Second stream 31; A pair first access 32,33; A pair second access 34,35.First flow path 30 makes first fluid A circulate.Second stream 31 makes second fluid B circulate.A pair first access 32,33 are communicated with first flow path 30, and make first fluid A flow into relative to this first flow path 30, flow out.A pair second access 34,35 are communicated with the second stream 31, and make second fluid B flow into relative to this second stream 31, flow out.In addition, in the following description, the first access 32 of the side in a pair first access 32,33 is called " first flows into access ".In addition, the first access 33 of the opposite side in a pair first access 32,33 is called " first flows out access ".In addition, the second access 34 of the side in a pair second access 34,35 is called " second flows into access ".In addition, the second access 35 of the opposite side in a pair second access 34,35 is called " second flows out access ".
First flow path 30 and the second stream 31 are formed for boundary replaces with heat transfer plate 2.And first flows into access 32, first outflow access 33, second inflow access 34 and the second outflow access 35 runs through heat transfer plate 2 respectively, and above extend in the lamination direction (hereinafter referred to as " first direction ") of multiple heat transfer plate 2.
Illustrate further.The plate heat exchanger 1 of present embodiment has: comprise by the main part 3 of multiple heat transfer plates 2 of lamination; Clip a pair end plate 4,5 of main part 3.
As shown in Figure 2, multiple heat transfer plate 2 be respectively to metallic plate carry out stamping after parts.Each heat transfer plate 2 has: the heat transfer part 20 of delimiting first flow path 30 and the second stream 31; From the fitting portion 21 of the ring-type that outer circumference and heat transfer part 20 directions intersected of this heat transfer part 20 extend.
Not shown multiple recessed bar and raised line is formed alternately in the table of the heat transfer part 20 of each heat transfer plate 2.And, be formed at the heat transfer part 20 of each heat transfer plate 2 and flow into for the formation of first the opening (not numbering) that access 32, first flows out access 33, second inflow access 34 and the second outflow access 35.That is, opening is provided with at least four positions of the heat transfer part 20 of heat transfer plate 2.This opening is the opening for the formation of the stream extended in a first direction, and it runs through heat transfer part 20.
The heat-exchangers of the plate type 1 of present embodiment has multiple heat transfer plate 2.The heat-exchangers of the plate type 1 of present embodiment, as mentioned above, there is the heat transfer plate 2 being formed with opening, described opening flows into access 32, first for the formation of first to flow out the opening that access 33, second flows into access 34 and the second outflow access 35, in addition, the heat-exchangers of the plate type 1 of present embodiment also has the heat transfer plate 2 being formed with opening, and described opening is for the formation of branch path 36a, a 36a described later or secondary branch path 36b, 36b.In addition, in present embodiment, flow into access 32, first outflow access 33, second inflow access 34, second outflow access 35, stream such as branch path 36a, 36a and secondary branch path 36b, 36b to first and be described in detail.In addition, for the formation of the quantity of the opening of these streams, configuration and size etc. in the same manner as general heat-exchangers of the plate type, suitably can select according to the kind of the application target of this heat-exchangers of the plate type 1, first fluid A and second fluid B and flow etc.
A pair end plate 4,5 be respectively to metallic plate carry out stamping after parts, be formed as roughly the same shape with heat transfer plate 2.Specifically, end plate 4,5 has the fitting portion 41,51 of sealing 40,50 and ring-type.Sealing 40,50 is formed as roughly the same shape with heat transfer part 20.The fitting portion 41,51 of ring-type is all-round from the periphery of sealing 40,50 to be extended to the direction intersected, 40,50, sealing portion.
The end plate of side is (following, be called " the first end plate ") 4 there is opening (not numbering), this opening and the opening be formed on adjacent heat transfer plate 2, namely flow into access 32, first for the formation of first and flow out access 33, second and flow into access 34 and second to flow out the opening of access 35 corresponding.That is, opening is located at four positions of the sealing 40 of the first end plate 4.Correspondingly, be connected to the outer surface of the sealing 40 of the first end plate 4 with the configuration corresponding with each opening for the ozzle (not numbering) of the tubular of connecting pipings.
And on the sealing 50 of the end plate (hereinafter referred to as " the second end plate ") 5 of opposite side, opening is not set.That is, the second end plate 5 has sealing 50, and the stream that sealing portion 50 can be formed the opening by the heat transfer plate 2 overlapped seals.
And multiple heat transfer plate 2 overlaps.Under this state, the raised line docking intersected with each other of the heat transfer part 20 of adjacent heat transfer plate 2, and the fitting portion 21 of adjacent heat transfer plate 2 is fitted together to each other.Correspondingly, the contiguity part between adjacent heat transfer plate 2 is sealed by soldering, forms main part 3.
And the first end plate 4 and the second end plate 5 overlap on multiple heat transfer plate 2 in the mode of the multiple heat transfer plates 2 (main part 3) sandwiching lamination.In this condition, each fitting portion 21 of the first end plate 4 and the second end plate 5 is chimeric with the fitting portion 21 of adjacent heat transfer plate 2.Correspondingly, the first end plate 4 and the second end plate 5 are sealed by soldering with the contiguity part of adjacent heat transfer plate 2 (main part 3) separately.
Thus, as shown in Figures 2 and 3, in main part 3, with heat transfer plate 2 for boundary, first flow path 30 and the second stream 31 is alternately formed.In present embodiment, first flow path 30 makes the first fluid A of the undergoing phase transition such as freon, ammonia circulate.In addition, the second stream 31 makes the liquid second fluid B such as water, bittern circulate.
In addition, the opening of multiple heat transfer plate 2 is connected, and thus, the first inflow access 32, first flows out access 33, second inflow access 34 and the second outflow access 35 is formed extended at both sides respectively in a first direction.
Illustrate further.In present embodiment, the heat transfer part 20 of heat transfer plate 2 is formed as overlooking (normal direction of heat transfer part 20 is observed) rectangle.
First flows into access 32 and second flows out the end side that access 35 is located at the heat transfer plate 2 of the long side direction (hereinafter referred to as " second direction ") of heat transfer part 20.In addition, the first outflow access 33 and second flows into another side that access 34 is located at the heat transfer plate 2 of second direction.
In addition, because Fig. 3 is schematic diagram, so in figure 3, first flows into access 32, first outflow access 33, second inflow access 34 and second flows out access 35 in a second direction side by side (and row arrangement).But in fact, first flows into access 32 and second flows out access 35 on the short side direction (direction orthogonal with first direction and second direction, hereinafter referred to as " third direction ") of heat transfer part 20 side by side.In addition, second flow into access 34 and first flow out access 33 also on the short side direction (third direction) of heat transfer part 20 side by side.
Thus, in heat-exchangers of the plate type 1, first fluid A circulates along the second direction orthogonal with first direction in first flow path 30.In addition, second fluid B circulates along second direction in the second stream 31.That is, in the heat-exchangers of the plate type 1 of present embodiment, first fluid A circulates in first flow path 30 on the long side direction of heat transfer part 20, and second fluid B circulates in the second stream 31 on the long side direction of heat transfer part 20.
In the heat-exchangers of the plate type 1 of present embodiment, first flow path 30 is communicated with each other, is formed and flows into from first the stream that access 32 to the first flows out the first fluid A of access 33.And, in the heat-exchangers of the plate type 1 of present embodiment, be arranged at least one (example of present embodiment is one) first flow path 30 of the position, way of first direction for being in the benchmark stream Ra of the branch location of the stream of first fluid A.In addition, in the way of present embodiment, position refers to the arbitrary position except the first flow path 30 at the two ends of first direction.
Main part 3 has a pair one time branch path 36a, 36a.A pair one time branch path 36a, 36a make benchmark stream Ra be communicated with by least one first flow path 30 of first direction end side than this benchmark stream Ra with being positioned at, further, a pair one time branch path 36a, 36a make benchmark stream Ra be communicated with by least one first flow path 30 of another side of first direction than this benchmark stream Ra with being positioned at.That is, main part 3 has and makes benchmark stream Ra be communicated with a branch path 36a of (connection) than this benchmark stream Ra by least one first flow path 30 of first direction end side with being positioned at and making benchmark stream Ra lean at least one first flow path 30 of another side of first direction to be communicated with a branch path 36a of (connection) with being positioned at than this benchmark stream Ra.In present embodiment, branch path 36a, a 36a run through the central portion of the heat transfer part 20 of second direction.
In present embodiment, main part 3 is leaning on the end side of first direction and another side to have multiple first flow path 30 respectively than benchmark stream Ra.
Multiple first flow path 30 of main part 3 are distinguished into plural section B1, B2.The main part 3 of present embodiment using benchmark stream Ra for boundary is distinguished overall for the end side on first direction as independent section (following, to be called by this section " first section B1 ").In addition, main part 3 using benchmark stream Ra for boundary is distinguished overall for another side on first direction as independent section (following, to be called by this section " second largest section B2 ").
The multiple first flow path 30 laying respectively at first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on the end side of first direction and another side) are distinguished into one group of section B1a, B2a, B1b, B2b.Each section B1a, B2a, B1b, B2b have the first flow path 30 of more than three respectively.
In present embodiment, be arranged in the first flow path 30 of the position, way of each first direction of first section B1 and second largest section B2 for being in the middle benchmark stream Rb of the branch location of the stream of first fluid A.Namely, it is (following that first section B1 and second largest section B2 is divided into independent section respectively, this section is called " the first away minor segment ") B1a, B2a and independent section are (below, this section is called " the second away minor segment ") B1b, B2b, wherein, independent section B1a, B2a comprises with middle benchmark stream Rb for boundary is positioned at whole first flow path 30 (multiple first flow path 30) of the end side of first direction, independent section B1b, B2b comprises with middle benchmark stream Rb for boundary is positioned at whole first flow path 30 (multiple first flow path 30) of another side of first direction.
One time branch path 36a, 36a are communicated with middle benchmark stream Rb.Specifically describe further, a branch path 36a of side runs through the second away minor segment B1b in first section B1, and is communicated with the middle benchmark stream Rb of this first section B1.A branch path 36a of opposite side runs through the first away minor segment B2a in second largest section B2, and is communicated with the middle benchmark stream Rb of this second largest section B2.
And the main part 3 of present embodiment, as mentioned above, respectively in first section B1 and second largest section B2, with middle benchmark stream Rb for being distinguished on boundary.Correspondingly, main part 3 has at least one pair of secondary branch path 36b, 36b.These a pair two times branch path 36b, 36b make middle benchmark stream Rb be communicated with (connection) or middle benchmark stream Rb is communicated with (connection) by least one first flow path 30 of another side of first direction than this middle benchmark stream Rb with being positioned at than this middle benchmark stream Rb by least one first flow path 30 of first direction end side with being positioned at.That is, the main part 3 of present embodiment has and makes middle benchmark stream Rb and at least one first flow path 30 of the first away minor segment B1a, B2a be communicated with the secondary branch path 36b of (connection) and make middle benchmark stream Rb be communicated with the secondary branch path 36b of (connection) with at least one first flow path 30 of the second away minor segment B1b, B2b.
In present embodiment, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b comprise multiple first flow path 30 respectively.Specifically, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b have such as three first flow path 30 respectively.
Correspondingly, main part 3 has link road 37a, 37b that adjacent first flow path 30 is communicated with each other respectively at each first away minor segment B1a, B2a and the second away minor segment B1b, B2b.
Specifically describe further, as mentioned above, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b have three first flow path 30 respectively.These three first flow path 30 in a first direction side by side.And the first flow path adjacent with middle benchmark stream Rb (hereinafter referred to as " inner side first flow path ") 30 is communicated with middle benchmark stream Rb via secondary branch path 36b, 36b.In addition, inner side first flow path 30 and the first flow path be adjacent in the opposition side of middle benchmark stream Rb (first direction are positioned at middle first flow path in three first flow path 30 side by side (following, be called " middle first flow path ")) 30 to be communicated with via link road (hereinafter referred to as " the first link road ") 37a.And the first flow path (hereinafter referred to as " outermost first flow path ") 30 that middle first flow path 30 is adjacent with the opposition side in inner side first flow path 30 is communicated with via link road (hereinafter referred to as " the second link road ") 37b.
And as mentioned above, in order to make first fluid A along second direction circulation in first flow path 30, secondary branch path 36b, 36b and the first link road 37a configure in a second direction at spaced intervals.In addition, the first link road 37a and the second link road 37b configures in a second direction at spaced intervals.Thus, respectively in the first away minor segment B1a, B2a and the second away minor segment B1b, B2b, by inner side first flow path 30, first link road 37a, middle first flow path 30, second link road 37b, outermost first flow path 30, the stream of first fluid A is formed as tortuous stream.
In present embodiment, first flows into access 32 is formed as the benchmark stream Ra extending to the position, way being arranged in this first direction from one end of first direction, and is only communicated with this benchmark stream Ra.
And first flows out access 33 and extend to the other end from one end of first direction, and be only communicated with the outermost first flow path 30 of the first away minor segment B1a, B2a and the second away minor segment B1b, B2b.Namely, in present embodiment, the terminal of the stream of the first fluid A in first section B1 and second largest section B2 (first flow path 30 communicates with each other thus the terminal of the stream of the first fluid A formed for starting point with benchmark stream Ra) is respectively the outermost first flow path 30 of the first away minor segment B1a, B2a and the second away minor segment B1b, B2b.
Correspondingly, each outermost first flow path 30 and first of first section B1 and second largest section B2 flows out access 33 and is communicated with.
And second flows into access 34 and the second outflow access 35 extends to the other end from one end of the main part 3 first direction respectively.And multiple second streams 31 side by side flow into access 34 and second respectively and flow out access 35 and be communicated with second in a first direction.
Therefore, in the heat-exchangers of the plate type 1 of present embodiment, the stream of first fluid A is formed to flow into tortuous mode between access 32 and the first outflow access 33 first.And the stream of second fluid B is formed as the crow flies between the second inflow access 34 and the second outflow access 35.
The heat-exchangers of the plate type 1 of present embodiment, as mentioned above, has main part 3, and this main part 3 comprises by multiple heat transfer plates 2 of lamination.Main part 3 has: make the first flow path 30 that first fluid A circulates; The second stream 31 that second fluid B is circulated; Be communicated with first flow path 30 and first fluid A is flowed into relative to first flow path 30, flow out first flow into access 32 and first and flow out access 33; Be communicated with the second stream 31 and second fluid B is flowed into relative to the second stream 31, flow out second flow into access 34 and second and flow out access 35.First flow path 30 and the second stream 31 are alternately formed for boundary with heat transfer plate 2.In addition, first flow into access 32, first and flow out access 33, second and flow into access 34 and second and flow out access 35 and run through heat transfer plate 2 respectively and extend in a first direction.
And, in the heat-exchangers of the plate type 1 of present embodiment, be arranged at least one first flow path 30 of the position, way of first direction for being in the benchmark stream Ra of the branch location of the stream of first fluid A.In addition, main part 3 has a pair one time branch path 36a, 36a, and this pair one time branch path 36a, 36a make benchmark stream Ra be communicated with the first flow path 30 laying respectively at first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction is by first direction end side and another side).In addition, the first inflow access 32 is only communicated with benchmark stream Ra.And, first flows out access 33 is only communicated with following first flow path 30, and this first flow path 30 is positioned at first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction is by the end side of first direction and another side) and becomes and to be communicated with each other by first flow path 30 and the terminal of the stream of first fluid A that formed for starting point with benchmark stream Ra.
Therefore, heat-exchangers of the plate type 1, first according to the present embodiment flows into access 32 and is only communicated with the benchmark stream Ra (first flow path 30) of the position, way being arranged in first direction.Like this, because the first inflow access 32 is only formed into position in the way of first direction, so, first fluid A can be suppressed to flow into the increase of the pressure loss in access 32 first.
And a pair one time branch path 36a, 36a make benchmark stream Ra be communicated with the first flow path 30 laying respectively at first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on the end side of first direction and another side).Therefore, in main part 3, as the stream of first fluid A, this two individual system of system of the system being formed with the branch path 36a comprising the side be communicated with benchmark stream Ra and the branch path 36a comprising the opposite side be communicated with benchmark stream Ra.
Therefore, flow into from first length (stream of every individual system the is long) shortening that access 32 to the first flows out the stream of the first fluid A of access 33.Thus, in the heat-exchangers of the plate type 1 of said structure, the increase of the pressure loss of first fluid A in whole stream is suppressed, and can obtain higher heat exchange performance.
In addition, in present embodiment, the first flow path 30 of more than three is set at first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on the end side of first direction and another side) respectively.Respectively in first section B1 and second largest section B2, be arranged in the first flow path 30 of the position, way of first direction in the first flow path 30 of more than three for being in the middle benchmark stream Rb of the branch location of the stream of first fluid A.Main part 3 has a pair two times branch path 36b, 36b, and these a pair two times branch path 36b, 36b make middle benchmark stream Rb be communicated with the first flow path 30 laying respectively at the first away minor segment B1a, B2a and the second away minor segment B1b, B2b (on first direction than middle benchmark stream Rb by the end side of first direction and another side).Each branch path 36a, a 36a are communicated with the middle benchmark stream Rb laying respectively at first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on the end side of first direction and another side).
Therefore, branch path 36a, a 36a are only communicated with the middle benchmark stream Rb (first flow path 30) of the position, way being arranged in first direction in each first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on the end side of first direction and another side).Like this, in each first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on end side and another side of first direction), one time branch path 36a, 36a are only formed into position in the way of first direction.Therefore, it is possible to suppress the increase of the pressure loss of first fluid A in branch path 36a, a 36a.And, respectively in the first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on end side and another side of first direction) of main part 3, as the stream of first fluid A, this two individual system of system of the system being formed with the secondary branch path 36b comprising the side be communicated with middle benchmark stream Rb and the secondary branch path 36b comprising the opposite side be communicated with middle benchmark stream Rb.Therefore, respectively in the first section B1 and second largest section B2 of main part 3, shorten from a branch path 36a to the length (stream of every individual system is long) that first flows out the stream of the first fluid A of access 33.Thus, in the heat-exchangers of the plate type 1 of said structure, the increase of the pressure loss of first fluid A in whole stream can be suppressed, higher heat exchange performance can be obtained.
Especially, in each first section B1 and second largest section B2, plural first flow path 30 is set in each first away minor segment B1a, B2a and the second away minor segment B1b, B2b (on first direction than middle benchmark stream Rb by the end side of first direction and another side).In addition, main part 3, in each first section B1 and second largest section B2, there is connection respectively and be positioned at link road 37a, 37b that link road 37a, 37b of the plural first flow path 30 of the first away minor segment B1a, B2a (on first direction than middle benchmark stream Rb by the end side of first direction) and connection are positioned at the plural first flow path 30 of the second away minor segment B1b, B2b (another side leaning on first direction than middle benchmark stream Rb on first direction).In addition, for the first flow path 30 laying respectively at the first away minor segment B1a, B2a and the second away minor segment B1b, B2b (on first direction than middle benchmark stream Rb by the end side of first direction and another side), communicated with each other by first flow path 30 and the first flow path 30 and first of the terminal of the stream of first fluid A that formed using benchmark stream Ra as starting point flows out access 33 and is communicated with.Thereby, it is possible to do not increase heat transfer area with increasing the stream of first fluid A.
In addition, heat-exchangers of the plate type of the present invention, is not limited to above-mentioned embodiment, without departing from the spirit and scope of the invention, certainly can add suitable change.
In above-mentioned embodiment, to be reference symmetry with benchmark stream Ra formed for the stream of the first fluid A in the stream of the first fluid A in first section B1 and second largest section B2, but be not limited thereto.The asymmetrical form that it is benchmark that the stream of the first fluid A in the stream of the first fluid A in first section B1 and second largest section B2 can also be formed as with benchmark stream Ra.That is, at first section B1 and second largest section B2, the quantity of first flow path 30, the middle configuration of benchmark stream Rb and the configuration of secondary branch path 36b etc. also can be different.
The first section B1 of above-mentioned embodiment and second largest section B2 respectively with middle benchmark stream Rb for benchmark is distinguished into two away minor segment (the first away minor segment and the second away minor segment) B1a, B2a, B1b, B2b, but to be not limited thereto.Such as, the whole first flow path 30 laying respectively at first section B1 and second largest section B2 can also flow out access 33 and are directly communicated with first.
In above-mentioned embodiment, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b comprise three first flow path 30 respectively, but are not limited thereto.Such as, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b can also comprise at least one first flow path 30 respectively, and make itself (first flow path 30) and first flow out access 33 to be communicated with.Or the first flow path 30 that can also be comprised by the first away minor segment B1a, B2a and the second away minor segment B1b, B2b forms the stream of an individual system, and make the first flow path 30 and first becoming its terminal flow out access 33 to be communicated with.
First section B1 and the second largest section B2 of above-mentioned embodiment are distinguished into the first away minor segment B1a, B2a and the second away minor segment B1b, B2b, but are not limited thereto.Such as, as shown in Figure 4, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b can also be divided into less section B1a further 1, B1a 2, B1b 1, B1b 2, B2a 1, B2a 2, B2b 1, B2b 2.
Be described particularly further.First section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on the end side of first direction and another side) is distinguished into the first away minor segment B1a, B2a and the second away minor segment B1b, B2b respectively.These the first away minor segment B1a, B2a and the second away minor segment B1b, B2b have multiple first flow path 30 respectively.And, respectively in the first away minor segment B1a, B2a and the second away minor segment B1b, B2b (end side and another side of leaning on first direction than middle benchmark stream Rb on first direction), the first flow path 30 being arranged in the position, way of first direction in multiple first flow path 30 is for being in the branch benchmark stream Rc of the branch location of the stream of first fluid A.Correspondingly, main part 3 has a pair three times branch path 36c, 36c, these a pair three times branch path 36c, 36c make branch benchmark stream Rc and the score laid respectively on first direction prop up benchmark stream Rc by the section of end side of first direction and section (hereinafter referred to as " minimum the section ") B1a of another side 1, B1a 2, B1b 1, B1b 2, B2a 1, B2a 2, B2b 1, B2b 2first flow path 30 be communicated with.A pair two times branch path 36b, 36b can also be communicated with the branch benchmark stream Rc being positioned at the first away minor segment B1a, B2a and the second away minor segment B1b, B2b (on first direction than middle benchmark stream Rb by the end side of first direction and another side) respectively.In this situation, lay respectively at minimum section B1a 1, B1a 2, B1b 1, B1b 2, B2a 1, B2a 2, B2b 1, B2b 2at least one first flow path 30 of (end side and another side that benchmark stream Rc leans on first direction is propped up in the score on first direction), at least one first flow path 30 and first namely becoming the terminal of the stream of first fluid A flows out access 33 and is communicated with.
If like this, secondary branch path 36b, 36b, in the first away minor segment B1a, B2a respectively in each first section B1 and second largest section B2 and the second away minor segment B1b, B2b, be only communicated with branch's benchmark stream Rc (first flow path 30) of the position, way being arranged in first direction.Therefore, in each first away minor segment B1a, B2a respectively in each first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction is by the end side of first direction and another side) and the second away minor segment B1b, B2b, because secondary branch path 36b, 36b are only formed into position in the way of first direction, so, the increase of the pressure loss of first fluid A in secondary branch path 36b, 36b can be suppressed.
And, in each first away minor segment B1a, B2a in each first section B1 of main part 3 and second largest section B2 (the ratio benchmark stream Ra on first direction is by the end side of first direction and another side) and the second away minor segment B1b, B2b (than middle benchmark stream Rb by the end side of first direction and another side), as the stream of first fluid A, be formed with the system of three the branch path 36c comprising the side be communicated with branch benchmark stream Rc, comprise this two individual system of system of three branch path 36c of the opposite side be communicated with branch benchmark stream Rc.Therefore, in each first section B1 and second largest section B2 (the ratio benchmark stream Ra on first direction leans on end side and another side of first direction) of main part 3, shorten from secondary branch path 36b to the length (stream of every individual system is long) that first flows out the stream of the first fluid A of access 33.Thus, in the heat-exchangers of the plate type 1 of said structure, the increase of the pressure loss of first fluid A in whole stream can be suppressed, thus obtain higher heat exchange performance.
In this situation, as shown in Figure 4, at each minimum section B1a 1, B1a 2, B1b 1, B1b 2, B2a 1, B2a 2, B2b 1, B2b 2in (score on first direction is propped up benchmark stream Rc and leaned on the end side of first direction and another side), plural first flow path 30 is set respectively.Main part 3 can also have: make to be positioned at the minimum section B1a of the branch benchmark stream Rc side that is benchmark 1, B1b 1, B2a 1, B2b 1link road 37a, 37b, 37c that plural first flow path 30,30 in (end side of benchmark stream Rc by first direction is propped up in the score on first direction) communicates with each other; And make to be positioned at the minimum section B1a of the branch benchmark stream Rc opposite side that is benchmark 2, B1b 2, B2a 2, B2b 2link road 37a, 37b, 37c that plural first flow path 30,30 in (benchmark stream Rc another side by first direction is propped up in the score on first direction) communicates with each other.Correspondingly, the minimum section B1a be divided for benchmark with branch benchmark stream Rc is positioned at 1, B1a 2, B1b 1, B1b 2, B2a 1, B2a 2, B2b 1, B2b 2first flow path 30 in (end side and another side that benchmark stream Rc leans on first direction is propped up in the score on first direction), the first flow path 30 and first namely becoming the terminal of the stream of first fluid A flows out access 33 and is communicated with.Thereby, it is possible to do not make the stream of first fluid A increase expand heat transfer area.
In addition, with differently above-mentioned, can also at each minimum section B1a 1, B1a 2, B1b 1, B1b 2, B2a 1, B2a 2, B2b 1, B2b 2in (score on first direction props up benchmark stream Rc by the end side of first direction and another side), a first flow path 30 is set respectively, and makes this first flow path 30 and first flow out access 33 to be communicated with.Like this, the pressure loss of first fluid A in stream can be suppressed.
In above-mentioned embodiment, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b comprise three first flow path 30 respectively, and these first flow path 30 are communicated with continuously, thus, make the stream of first fluid A tortuous, but are not limited thereto.Such as, the first away minor segment B1a, B2a and the second away minor segment B1b, B2b comprise multiple first flow path 30 respectively.And, can also be that the plurality of first flow path 30 is all communicated with secondary branch path 36b, 36b, and flow out access 33 be communicated with first.Thus, first fluid A flows into multiple first flow path 30 from secondary branch path 36b, 36b, flows out after by these multiple first flow path 30 to the first outflow access 33.Like this, first fluid A circulates in multiple first flow path 30, thereby, it is possible to do not guarantee larger heat transfer area with extending the flow path length of first fluid A, can improve heat exchange performance.
In above-mentioned embodiment, in each first section B1 and second largest section B2, middle benchmark stream Rb, branch benchmark stream Rc are carried out branch as branch location, but are not limited thereto by the stream of first fluid A successively.Such as, can also be, one time branch path 36a, 36a are communicated with the multiple first flow path 30 laying respectively at first section B1 and second largest section B2, and the multiple first flow path 30 laying respectively at first section B1 and second largest section B2 are directly communicated in the first outflow access 33.Even if like this, because the first inflow access 32 extends to position way from one end of main part 3, so the first flow path length flowing into access 32 can not increase, and can suppress the increase of the pressure loss of first fluid A.
The main part 3 of above-mentioned embodiment has a pair one time branch path 36a, 36a, but is not limited to this structure.Main part 3 can also have two to above branch path 36a.That is, main part 3 has at least one pair of branch path 36a, a 36a.
In this situation, second couple of each branch path 36a, a 36a only with stream 30 are next time communicated with, this stream 30 with first to the region (second area) being positioned at outside compared with the region (first area) at the stream place of the first fluid A that branch path 36a, a 36a are starting point relative to benchmark stream Ra.And, leaning on a branch path in the end side of first direction with the ratio benchmark stream Ra on first direction, (second to a branch path 36a, a branch path of the side in 36a) 36a is the multiple first flow path 30 becoming terminal in the stream of the first fluid A of starting point, and (second to a branch path 36a leaning on a branch path in another side of first direction with the ratio benchmark stream Ra on first direction, a branch path of the opposite side in 36a) 36a is that the multiple first flow path 30 becoming terminal in the stream of the first fluid A of starting point flow out access 33 with first respectively and are communicated with.
Namely, n-th (natural number) is only communicated with the first flow path 30 in the region (the n-th region) being positioned at the outside in the (n-1)th region in main part 3 branch path 36a, a 36a, can also be located at the n-th region with n-th to the stream of the first fluid A that branch path 36a, a 36a are starting point.
In above-mentioned embodiment, multiple second stream 31 flows into access 34 and second respectively and flows out access 35 and be communicated with second, connects second and flows into access 34 and the second stream flowing out the second fluid B of access 35 is formed as the crow flies, but be not limited thereto.Such as, connect the second stream flowing into the second fluid B of access 34 and the second outflow access 35 can also the mode with complications in the same manner as the stream of first fluid A be formed.Namely, the stream of second fluid B can also in the same manner as the stream of first fluid A, the end side of the main part 3 respectively in first direction and another side at least branch once, and second flow out access 35 can also only with the end side of the main part 3 laid respectively in first direction and another side and the second stream 31 becoming the terminal of the stream of second fluid B be communicated with.In this case, also can set the stream of branch location of the stream becoming second fluid B, and, with this stream for reference region is divided into the section after segmentation, and more than twice, the stream branch of second fluid B can also be made.
Description of reference numerals
1 ... heat-exchangers of the plate type, 2 ... heat transfer plate, 3 ... main part, 4 ... first end plate (end plate), 5 ... second end plate (end plate), 20 ... heat transfer part, 21 ... fitting portion, 30 ... first flow path, 31 ... second stream, 32 ... first flows into access (the first access of side), 33 ... first flows out access (the first access of opposite side), 34 ... second flows into access (the second access of side), 35 ... second flows out access (the second access of opposite side), 36a ... a branch path, 36b ... secondary branch path, 36c ... three branch path, 37a ... first link road (link road), 37b ... second link road (link road), 37c ... link road, 40, 50 ... sealing, 41, 51 ... fitting portion, A ... first fluid, B ... second fluid, B1 ... first section (section), B2 ... second largest section (section), B1a, B2a ... first away minor segment (section), B1b, B2b ... second away minor segment (section), B1a, B2a ... first away minor segment (section), B1a ', B1a ", B1b ', B1b ", B2a ', B2a ", B2b ', B2b " ... minimum section (section), Ra ... benchmark stream, Rb ... middle benchmark stream, Rc ... branch's benchmark stream.

Claims (6)

1. a heat-exchangers of the plate type, has main part, and this main part comprises multiple heat transfer plates of lamination, and main part has: multiple first flow path that first fluid is circulated; Multiple second streams that second fluid is circulated; Be communicated in first flow path and make a pair first access that first fluid flows into relative to first flow path, flows out; Be communicated in the second stream and a pair second access second fluid being flowed into relative to the second stream, flows out, first flow path and the second stream are that boundary is alternately formed with heat transfer plate, first access and the second access run through heat transfer plate respectively and extend on the lamination direction of this heat transfer plate, it is characterized in that
First flow path is communicated with each other thus forms the stream of the first fluid of the first access from the first access of side to opposite side,
At least one first flow path being arranged in the position, way in the lamination direction of heat transfer plate is the benchmark stream of the branch location of the stream being in first fluid,
Main part has at least one pair of branch path, and this pair one time branch path makes benchmark stream be communicated with by the end side in lamination direction and at least one first flow path of another side than benchmark stream with laying respectively on the lamination direction of heat transfer plate,
First access of side only with benchmark fluid communication,
First access of opposite side only with on the lamination direction being positioned at heat transfer plate than benchmark stream by the end side in lamination direction and another side and the first flow path of the terminal of the stream of the body that gains the first rank be communicated with.
2. heat-exchangers of the plate type according to claim 1, is characterized in that, the first flow path arranging more than three than benchmark stream by the end side in lamination direction and another side respectively on the lamination direction of heat transfer plate,
On the lamination direction of heat transfer plate, be located at respectively than benchmark stream by the first flow path of the end side in lamination direction and more than three of another side, the first flow path of the position, way in the lamination direction that is arranged in heat transfer plate is the middle benchmark stream of the branch location of the stream being in first fluid
Main part has a pair two times branch path, and these a pair two times branch path make middle benchmark stream and being communicated with by the end side in lamination direction and at least one first flow path of another side than middle benchmark stream on the lamination direction laying respectively at heat transfer plate,
Branch path respectively be positioned on the lamination direction of heat transfer plate than benchmark stream by the end side in lamination direction and each middle benchmark fluid communication of another side.
3. heat-exchangers of the plate type according to claim 2, it is characterized in that, end side and another side of leaning on lamination direction than benchmark stream respectively on the lamination direction of heat transfer plate, respectively on the lamination direction of heat transfer plate, than middle benchmark stream, plural first flow path is set by the end side in lamination direction and another side
Main part having respectively by the end side in lamination direction and another side than benchmark stream on the lamination direction of heat transfer plate: to the link road leaning on the plural first flow path of the end side in lamination direction to connect each other than middle benchmark stream be positioned on the lamination direction of heat transfer plate; And to the link road leaning on the plural first flow path of another side in lamination direction to connect each other than middle benchmark stream be positioned on the lamination direction of heat transfer plate,
Lay respectively on the lamination direction of heat transfer plate than middle benchmark stream by the end side in lamination direction and at least one first flow path of another side and at least one first flow path of terminal of the stream of the body that gains the first rank be communicated with the first access of opposite side.
4. heat-exchangers of the plate type according to claim 2, it is characterized in that, end side and another side of leaning on lamination direction than benchmark stream respectively on the lamination direction of heat transfer plate, respectively on the lamination direction of heat transfer plate, than middle benchmark stream, multiple first flow path is set by the end side in lamination direction and another side
Be separately positioned on the lamination direction of heat transfer plate than middle benchmark stream by the end side in lamination direction and multiple first flow path of another side, the first flow path of the position, way in the lamination direction that is arranged in heat transfer plate is branch's benchmark stream of the branch location of the stream being in first fluid
Main part has a pair three times branch path, and these a pair three times branch path make branch's benchmark stream and the score on the lamination direction laying respectively at heat transfer plate prop up benchmark stream to be communicated with by the end side in lamination direction and at least one first flow path of another side,
A pair two times branch path respectively be positioned on the lamination direction of heat transfer plate than middle benchmark stream by the end side in lamination direction and each branch benchmark fluid communication of another side,
The score laid respectively on the lamination direction of heat transfer plate prop up benchmark stream by the end side in lamination direction and at least one first flow path of another side and at least one first flow path of terminal of the stream of the body that gains the first rank be communicated with the first access of opposite side.
5. heat-exchangers of the plate type according to claim 4, it is characterized in that, score on the lamination direction of heat transfer plate props up benchmark stream by the end side in lamination direction and another side is each respectively arranges a first flow path, and this first flow path is communicated with the first access of opposite side.
6. heat-exchangers of the plate type according to claim 4, is characterized in that, the score on the lamination direction of heat transfer plate props up benchmark stream by the end side in lamination direction and another side is each respectively arranges plural first flow path,
Main part has: the link road making the score be positioned on the lamination direction of heat transfer plate prop up benchmark stream to communicate with each other by the plural first flow path of end side in lamination direction; And the link road making the score be positioned on the lamination direction of heat transfer plate prop up benchmark stream to communicate with each other by the plural first flow path of another side in lamination direction,
The score be positioned on the lamination direction of heat transfer plate prop up benchmark stream by the end side in lamination direction and at least one first flow path of another side and at least one first flow path of terminal of the stream of the body that gains the first rank be communicated with the first access of opposite side.
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CN113424010A (en) * 2019-04-23 2021-09-21 株式会社日阪制作所 Plate heat exchanger
CN113424010B (en) * 2019-04-23 2023-07-18 株式会社日阪制作所 Plate heat exchanger

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EP2980521A1 (en) 2016-02-03
CN105008843B (en) 2017-05-17
JP5818397B2 (en) 2015-11-18
EP2980521B1 (en) 2019-03-13
EP2980521A4 (en) 2016-11-23
JPWO2014155839A1 (en) 2017-02-16

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