JPH06241672A - Plate type heat exchanger - Google Patents
Plate type heat exchangerInfo
- Publication number
- JPH06241672A JPH06241672A JP3148893A JP3148893A JPH06241672A JP H06241672 A JPH06241672 A JP H06241672A JP 3148893 A JP3148893 A JP 3148893A JP 3148893 A JP3148893 A JP 3148893A JP H06241672 A JPH06241672 A JP H06241672A
- Authority
- JP
- Japan
- Prior art keywords
- heat transfer
- medium
- bead
- triangular
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、プレート式熱交換器に
関し、詳しくは、伝熱プレートの媒体通路孔から媒体流
路に流入した媒体を、伝熱面の全体に均一に、かつ、圧
力損失を少なくして拡散可能なプレート式熱交換器に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate type heat exchanger, and more specifically, to a medium which has flowed into a medium flow path from a medium passage hole of a heat transfer plate, uniformly over the entire heat transfer surface and at a pressure. The present invention relates to a plate heat exchanger capable of diffusing with reduced loss.
【０００２】[0002]
【従来の技術】一般に、プレート式熱交換器は、図２に
示すように、伝熱面（１）の四隅に媒体通路孔（２）を
設けた矩形状の複数枚の伝熱プレート（３）をガスケッ
ト（４）を介して交互に上下反転して積層し、隣接する
伝熱プレート（３）間に２種の媒体通路を交互に形成し
たものである。2. Description of the Related Art Generally, as shown in FIG. 2, a plate type heat exchanger has a plurality of rectangular heat transfer plates (3) having medium passage holes (2) at four corners of a heat transfer surface (1). 2) are alternately inverted upside down via a gasket (4) to be laminated, and two kinds of medium passages are alternately formed between adjacent heat transfer plates (3).
【０００３】ところで、上記伝熱プレート（３）の伝熱
面（１）の中央の矩形状部分（６）、及び矩形状部分
（６）の上下外側の略三角形状をした三角状部分（７）
には、伝熱性能の向上とプレート強度の向上を図るため
凹凸模様を形成してある。そして、従来、上記伝熱プレ
ート（３）の伝熱面（１）の三角状部分（７）に形成さ
れた凹凸模様には２種類があった。すなわち、第１は、
図３に示すように、伝熱面（１）の三角状部分（７）
に、媒体が流出入する媒体通路孔（２）から矩形状部分
（６）の上辺及び下辺、つまり上下両側の側辺（８）に
向って傾斜する長さの異なる複数のビード状突起（９）
を形成したものである。第２は、図４に示すように、伝
熱面（１）の三角状部分（７）に、矩形状部分（６）の
側辺（８）に向って多数の小判状突起（１０）を所定ピ
ッチで、かつ、複数の列状に傾斜させて配置したもので
ある。By the way, a central rectangular portion (6) of the heat transfer surface (1) of the heat transfer plate (3), and a substantially triangular triangular portion (7) above and below the rectangular portion (6). )
In order to improve the heat transfer performance and the plate strength, a concavo-convex pattern is formed. Further, conventionally, there are two types of uneven patterns formed on the triangular portion (7) of the heat transfer surface (1) of the heat transfer plate (3). That is, the first is
As shown in FIG. 3, the triangular portion (7) of the heat transfer surface (1)
In addition, a plurality of bead-shaped projections (9) having different lengths are inclined from the medium passage hole (2) through which the medium flows in and out toward the upper side and the lower side of the rectangular portion (6), that is, the side sides (8) on both upper and lower sides. )
Is formed. Secondly, as shown in FIG. 4, a large number of oval protrusions (10) are formed on the triangular portion (7) of the heat transfer surface (1) toward the side (8) of the rectangular portion (6). It is arranged at a predetermined pitch and inclined in a plurality of rows.
【０００４】そして、伝熱プレート（３）の媒体通路孔
（２）を介して流入した媒体は、ビード状突起（９）あ
るいは小判状突起（１０）を形成してある上部の三角状
部分（７）を通って、伝熱面（１）の矩形状部分（６）
の上部側辺（８）に分散された後、矩形状部分（６）を
流下する間に他の媒体との間で熱交換を行う。The medium which has flowed in through the medium passage hole (2) of the heat transfer plate (3) has a bead-shaped protrusion (9) or an oval-shaped protrusion (10) in the upper triangular portion ( 7), through the rectangular portion (6) of the heat transfer surface (1)
After being dispersed on the upper side (8) of the above, heat exchange is performed with another medium while flowing down the rectangular portion (6).
【０００５】[0005]
【発明が解決しようとする課題】従来のプレート式熱交
換器によれば、三角状部分（７）にビード状突起（９）
を形成した伝熱プレート（３）においては、媒体通路孔
（２）から流入した媒体は、ビード状突起（９）にそっ
て矩形状部分（６）の上部側辺（８）へ均一に送られ、
小判状突起（１０）を形成した伝熱プレート（３）に比
べて伝熱性能が良好であるが、媒体が媒体通路孔（２）
の直下へ流下するのが抑えられるため、圧力損失が大き
い。According to the conventional plate heat exchanger, the bead-shaped protrusions (9) are formed on the triangular portion (7).
In the heat transfer plate (3) in which the medium is formed, the medium flowing in from the medium passage hole (2) is uniformly sent to the upper side (8) of the rectangular portion (6) along the bead-shaped protrusion (9). The
The heat transfer performance is better than that of the heat transfer plate (3) having the oval projections (10), but the medium is the medium passage hole (2).
The pressure loss is large because it can be prevented from flowing directly below.
【０００６】また、三角状部分（７）に小判状突起（１
０）を形成した伝熱プレート（３）においては、ビード
状突起（９）を形成した伝熱プレート（３）に比べて圧
力損失が少ないが、媒体の多くは、媒体通路孔（２）の
直下に流下し、伝熱面（１）の矩形状部分（６）に均一
に拡散されず、偏流となりやすく、それだけ伝熱性能が
低下するという問題があった。The oval-shaped projection (1) is formed on the triangular portion (7).
0) has a smaller pressure loss than the heat transfer plate (3) having the bead-shaped projections (9), but most of the medium has a medium passage hole (2). There is a problem in that the heat-transfer performance is lowered immediately below and is not uniformly diffused in the rectangular portion (6) of the heat-transfer surface (1), which tends to cause a non-uniform flow, and the heat transfer performance is deteriorated accordingly.
【０００７】本発明は、上記問題点に鑑み提案されたも
ので、伝熱性能が良好で、かつ、圧力損失が少ないプレ
ート式熱交換器を提供することを目的としている。The present invention has been proposed in view of the above problems, and an object of the present invention is to provide a plate heat exchanger having good heat transfer performance and a small pressure loss.
【０００８】[0008]
【課題を解決するための手段】本発明は、上記の目的を
達成するため、伝熱面の四隅に媒体通路孔を有する複数
枚の伝熱プレートを積層して相互間に２種の媒体流路を
交互に形成すると共に、上記伝熱プレートの伝熱面の中
央の矩形状部分及び矩形状部分の上下外側の略三角形状
をした三角状部分に、凹凸模様を形成したプレート式熱
交換器において、上記伝熱プレートの三角状部分の凹凸
模様を、伝熱面の矩形状部分の上下側辺と対向する三角
状部分の側辺にそって傾斜させて並列形成した複数のビ
ード状突起と、ビード状突起の外側略中央部で、かつ、
媒体通路孔の近傍に形成した複数の小判状突起とで形成
したものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention laminates a plurality of heat transfer plates having medium passage holes at the four corners of a heat transfer surface to provide two types of medium flow between them. Plate type heat exchangers in which passages are formed alternately, and a concavo-convex pattern is formed in a rectangular portion in the center of the heat transfer surface of the heat transfer plate and a triangular portion in the upper and lower outer sides of the rectangular portion. In the above, a plurality of bead-shaped projections formed in parallel by sloping the uneven pattern of the triangular portion of the heat transfer plate along the side of the triangular portion facing the upper and lower sides of the rectangular portion of the heat transfer surface. , At the outer center of the bead-shaped protrusion, and
It is formed by a plurality of oval projections formed in the vicinity of the medium passage hole.
【０００９】[0009]
【作用】伝熱プレートの上部の媒体通路孔から流入した
媒体は、媒体通路孔の直下のビード状突起部に流下する
と同時に、伝熱プレートの三角状部分の外側中央部に、
ビード状突起より圧力損失の少ない小判状突起を配設し
てあるため、三角状部分の小判状突起の形成部分、すな
わち、三角状部分の外側中央部に流れ込んだ後、小判状
突起の下方に位置するビード状突起により、伝熱面の矩
形状部分の上部側辺に拡散され、その結果、媒体通路孔
から流入した媒体は、伝熱面の矩形状部分に均一に流下
する。The medium flowing in from the medium passage hole in the upper portion of the heat transfer plate flows down to the bead-shaped protrusion directly below the medium passage hole, and at the same time, in the outer center portion of the triangular portion of the heat transfer plate,
Since an oval protrusion with less pressure loss than the bead-shaped protrusion is arranged, after flowing into the oval protrusion forming part of the triangular part, that is, the outer center part of the triangular part, Due to the bead-shaped protrusions located, the medium is diffused to the upper side of the rectangular portion of the heat transfer surface, and as a result, the medium flowing in from the medium passage hole uniformly flows down to the rectangular portion of the heat transfer surface.
【００１０】[0010]
【実施例】以下本発明に係るプレート式熱交換器の実施
例を図１を参照しながら説明すると次の通りである。
尚、図２に示したものと同一部分には同一符号を付して
説明を省略する。EXAMPLE An example of the plate heat exchanger according to the present invention will be described below with reference to FIG.
The same parts as those shown in FIG. 2 are designated by the same reference numerals and the description thereof will be omitted.
【００１１】本実施例の特徴は、上記伝熱プレート
（３）の三角状部分（７）の凹凸模様を、伝熱面（１）
の矩形状部分（６）の側辺（８）と対向する三角状部分
（７）の側辺（１１）にそって並列形成した複数のビー
ド状突起（１２）と、ビード状突起（１２）の上下方向
外側略中央部で、かつ、媒体通路孔（２）の近傍に形成
した複数の小判状突起（１３）とで形成したことで、上
記ビード状突起（１２）は、媒体通路孔（２）から矩形
状部分（６）の側辺（８）に向かって傾斜させてあり、
又小判状突起（１３）は、上記ビード状突起（１２）の
形成方向と同一方向に所定ピッチで、かつ、複数の列状
に形成してある。The feature of the present embodiment is that the heat transfer surface (1) has a concavo-convex pattern on the triangular portion (7) of the heat transfer plate (3).
A plurality of bead-shaped protrusions (12) formed in parallel along the side (11) of the triangular portion (7) facing the side (8) of the rectangular portion (6) of the, and a bead-shaped protrusion (12). The bead-shaped protrusions (12) are formed by a plurality of oval-shaped projections (13) formed near the center of the medium-passage hole (2) in the substantially vertical center of the medium-passage hole (2). 2) inclined toward the side (8) of the rectangular portion (6),
The oval protrusions (13) are formed in a plurality of rows at a predetermined pitch in the same direction as the formation direction of the bead-shaped protrusions (12).
【００１２】そうして、伝熱プレート（３）の上部の媒
体通路孔（２）から流入した媒体は、媒体通路孔（２）
の直下のビード状突起部に流下すると同時に、伝熱プレ
ート（３）の三角状部分（７）の外側中央部に、ビード
状突起（１２）より圧力損失の少ない小判状突起（１
３）を配設してあるため、この小判状突起（１３）の形
成部分、すなわち、三角状部分（７）の外側中央部に流
れ込んだ後、小判状突起（１３）の下方に位置するビー
ド状突起（１２）により、伝熱面（１）の矩形状部分
（６）の上部側辺（８）に拡散され、その結果、媒体
は、伝熱面（１）の矩形状部分（６）を均一に流下す
る。しかも媒体の多くは、圧力損失の少ない小判状突起
（１１）の形成部分を通った後、ビード状突起（１３）
の形成部分を通過して拡散するため、圧力損失が少なく
なる。Then, the medium flowing in from the medium passage hole (2) in the upper part of the heat transfer plate (3) flows into the medium passage hole (2).
At the same time as flowing down to the bead-shaped projections directly below the heat transfer plate (3), the oval-shaped projections (1) with less pressure loss than the bead-shaped projections (12) are formed on the outer central part of the triangular section (7).
3) is provided, the bead located below the oval-shaped projection (13) after flowing into the portion where the oval-shaped projection (13) is formed, that is, the outer center of the triangular-shaped portion (7). The projections (12) are diffused to the upper side (8) of the rectangular portion (6) of the heat transfer surface (1), so that the medium is a rectangular portion (6) of the heat transfer surface (1). Flow down evenly. Moreover, most of the medium passes through the portion where the oval protrusions (11) with less pressure loss are formed, and then the bead-shaped protrusions (13)
Since it diffuses through the formation part of, the pressure loss is reduced.
【００１３】[0013]
【発明の効果】本発明によれば、伝熱プレートの伝熱面
の矩形状部分の上下外側に形成された三角状部分の凹凸
模様を、伝熱面の矩形状部分の上下側辺と対向する側辺
にそって傾斜させて並列形成した複数のビード状突起
と、ビード状突起の外側略中央部で、かつ、媒体通路孔
の近傍に形成した複数の小判状突起とで形成したので、
上部の媒体通路孔から流入した媒体の多くは、圧力損失
の少ない小判状突起の形成部分を介してビード状突起の
形成部分に流れて伝熱面の矩形状部分の上部側辺に拡散
するので、伝熱プレートの媒体通路孔から流入した媒体
を伝熱面の矩形状部分の全面に均一に拡散させることが
可能となり、伝熱性能がきわめて良好となると共に、圧
力損失が少なくなり、熱交換を効率良く行うことができ
る。According to the present invention, the concavo-convex pattern of the triangular portion formed on the upper and lower sides of the rectangular portion of the heat transfer surface of the heat transfer plate is opposed to the upper and lower sides of the rectangular portion of the heat transfer surface. Since it is formed by a plurality of bead-shaped protrusions that are formed in parallel along the side edges that are formed, and a plurality of oval-shaped protrusions that are formed in the outer center of the bead-shaped protrusion and in the vicinity of the medium passage hole,
Most of the medium that has flowed in from the medium passage hole in the upper part flows to the formation part of the bead-shaped projection through the formation part of the oval-shaped projection with less pressure loss, and diffuses to the upper side of the rectangular part of the heat transfer surface. , The medium that has flowed in from the medium passage hole of the heat transfer plate can be diffused uniformly over the entire rectangular portion of the heat transfer surface, resulting in extremely good heat transfer performance, reduced pressure loss, and heat exchange. Can be done efficiently.
【図１】本発明に係るプレート式熱交換器の実施例を示
す伝熱プレートの要部正面図。FIG. 1 is a front view of a main part of a heat transfer plate showing an embodiment of a plate heat exchanger according to the present invention.
【図２】従来のプレート式熱交換器に使用される伝熱プ
レートの正面図。FIG. 2 is a front view of a heat transfer plate used in a conventional plate heat exchanger.
【図３】図２に示した伝熱プレートの三角状部分の第１
の具体例を示す正面図。FIG. 3 is a first triangular portion of the heat transfer plate shown in FIG.
FIG.
【図４】図２に示した伝熱プレートの三角状部分の第２
の具体例を示す正面図。FIG. 4 is a second triangular portion of the heat transfer plate shown in FIG.
FIG.
１ 伝熱面 ２ 媒体通路孔 ３ 伝熱プレート ６ 矩形状部分 ７ 三角状部分 ８、１１ 側辺 １２ ビード状突起 １３ 小判状突起 1 Heat Transfer Surface 2 Medium Passage Hole 3 Heat Transfer Plate 6 Rectangular Part 7 Triangular Part 8, 11 Sides 12 Bead-like Protrusion 13 Oval-like Protrusion
Claims (1)
枚の伝熱プレートを積層して相互間に２種の媒体流路を
交互に形成すると共に、上記伝熱プレートの伝熱面の中
央の矩形状部分及び矩形状部分の上下外側の略三角形状
をした三角状部分に、凹凸模様を形成したプレート式熱
交換器において、 上記伝熱プレートの三角状部分の凹凸模様を、伝熱面の
矩形状部分の上下側辺と対向する三角状部分の側辺にそ
って傾斜させて並列形成した複数のビード状突起と、ビ
ード状突起の外側略中央部で、かつ、媒体通路孔の近傍
に形成した複数の小判状突起とで形成したことを特徴と
するプレート式熱交換器。1. A heat transfer surface of the heat transfer plate, wherein a plurality of heat transfer plates having medium passage holes are laminated at four corners of the heat transfer surface to alternately form two kinds of medium flow paths therebetween. In a plate type heat exchanger in which an uneven pattern is formed on the central rectangular part and the triangular part in the upper and lower sides of the rectangular part, the uneven pattern of the triangular part of the heat transfer plate is transferred. A plurality of bead-shaped projections formed in parallel along the sides of the triangular portion facing the upper and lower sides of the rectangular portion of the heating surface, and a substantially central portion outside the bead-shaped protrusion, and a medium passage hole A plate heat exchanger formed by a plurality of oval-shaped projections formed in the vicinity of the plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03148893A JP3285243B2 (en) | 1993-02-22 | 1993-02-22 | Plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03148893A JP3285243B2 (en) | 1993-02-22 | 1993-02-22 | Plate heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06241672A true JPH06241672A (en) | 1994-09-02 |
| JP3285243B2 JP3285243B2 (en) | 2002-05-27 |
Family
ID=12332662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03148893A Expired - Lifetime JP3285243B2 (en) | 1993-02-22 | 1993-02-22 | Plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3285243B2 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999044003A1 (en) * | 1998-02-27 | 1999-09-02 | Daikin Industries, Ltd. | Plate type heat exchanger |
| WO2005088221A1 (en) * | 2004-03-12 | 2005-09-22 | Alfa Laval Corporate Ab | A heat exchanger plate and a plate package |
| KR100664537B1 (en) * | 2000-10-27 | 2007-01-03 | 한라공조주식회사 | Plate for laminate type secondary heat exchanger of car air conditioner |
| JP2009500588A (en) * | 2005-07-04 | 2009-01-08 | アルファ ラヴァル コーポレイト アクチボラゲット | Heat exchange plate for plate-type heat exchanger, one set of heat exchange plate, and plate package |
| WO2010056183A2 (en) * | 2008-11-12 | 2010-05-20 | Alfa Laval Corporate Ab | Heat exchanger |
| WO2011073083A1 (en) * | 2009-12-17 | 2011-06-23 | Valeo Systemes Thermiques | Heat exchanger plate, in particular for an air-conditioning condenser |
| CN103791756A (en) * | 2012-10-30 | 2014-05-14 | 阿尔法拉瓦尔股份有限公司 | Heat transfer plate and plate heat exchanger comprising such a heat transfer plate |
| JP2015536437A (en) * | 2012-10-30 | 2015-12-21 | アルファ−ラヴァル・コーポレート・アーベー | Heat transfer plate and flat plate heat exchanger comprising such a heat transfer plate |
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| JP2022527342A (en) * | 2019-04-03 | 2022-06-01 | アルファ－ラヴァル・コーポレート・アーベー | Heat transfer plate and plate heat exchanger |
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| US9874409B2 (en) | 2011-07-13 | 2018-01-23 | Mitsubishi Electric Corporation | Plate heat exchanger and heat pump apparatus |
-
1993
- 1993-02-22 JP JP03148893A patent/JP3285243B2/en not_active Expired - Lifetime
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| US6394178B1 (en) | 1998-02-27 | 2002-05-28 | Daikin Industries, Ltd. | Plate type heat exchanger |
| WO1999044003A1 (en) * | 1998-02-27 | 1999-09-02 | Daikin Industries, Ltd. | Plate type heat exchanger |
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| WO2011073083A1 (en) * | 2009-12-17 | 2011-06-23 | Valeo Systemes Thermiques | Heat exchanger plate, in particular for an air-conditioning condenser |
| FR2954480A1 (en) * | 2009-12-17 | 2011-06-24 | Valeo Systemes Thermiques | HEAT EXCHANGER PLATE, IN PARTICULAR FOR AN AIR CONDITIONING CONDENSER |
| CN103791756A (en) * | 2012-10-30 | 2014-05-14 | 阿尔法拉瓦尔股份有限公司 | Heat transfer plate and plate heat exchanger comprising such a heat transfer plate |
| JP2015536437A (en) * | 2012-10-30 | 2015-12-21 | アルファ−ラヴァル・コーポレート・アーベー | Heat transfer plate and flat plate heat exchanger comprising such a heat transfer plate |
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| US9739542B2 (en) | 2012-10-30 | 2017-08-22 | Alfa Laval Corporate Ab | Heat transfer plate and plate heat exchanger comprising such a heat transfer plate |
| JP5947959B1 (en) * | 2015-06-09 | 2016-07-06 | 株式会社日阪製作所 | Heat transfer plate for plate heat exchanger and plate heat exchanger equipped with the same |
| JP2019095124A (en) * | 2017-11-22 | 2019-06-20 | 株式会社日阪製作所 | Plate type heat exchanger |
| US11486657B2 (en) | 2018-07-17 | 2022-11-01 | Tranter, Inc. | Heat exchanger heat transfer plate |
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