CN110749215A - Multi-stage flow-dividing brazing heat exchanger plate set - Google Patents
Multi-stage flow-dividing brazing heat exchanger plate set Download PDFInfo
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- CN110749215A CN110749215A CN201911242835.7A CN201911242835A CN110749215A CN 110749215 A CN110749215 A CN 110749215A CN 201911242835 A CN201911242835 A CN 201911242835A CN 110749215 A CN110749215 A CN 110749215A
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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
- F28D9/0037—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 conduits for the other heat-exchange medium also being formed by paired plates touching each other
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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
- F28D9/0056—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 with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates
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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
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
- F28F3/083—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning capable of being taken apart
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明属于换热器技术领域,具体涉及一种多级分流的钎焊换热器板片组,包括至少两对单元板片组,每对所述单元板片组包括层叠设置的第一板片和第二板片,所述第一板片和第二板片均包括主面板和周围的挡板,所述主面板包括分流区、主换热区和汇流区,所述分流区与主换热区之间以及主换热区与汇流区之间均设有分流筋,用于将从分流区流入主换热区的介质以及从主换热区流入汇流区的介质分配均匀。本发明在换热板片的主面板上设置分流区、主换热区和汇流区,并在分流区与主换热区之间以及主换热区与汇流区之间设置分流筋,利于介质的均匀分配,有利于提高换热器的换热性能和换热稳定性。
The invention belongs to the technical field of heat exchangers, and in particular relates to a multi-stage split-flow brazed heat exchanger plate group, comprising at least two pairs of unit plate groups, and each pair of the unit plate groups includes stacked first plates The first and second plates each include a main panel and surrounding baffles, the main panel includes a flow splitting area, a main heat exchange area and a confluence area, and the flow splitting area is connected to the main plate. Diversion ribs are arranged between the heat exchange areas and between the main heat exchange area and the confluence area, so that the medium flowing into the main heat exchange area from the diversion area and the medium flowing into the confluence area from the main heat exchange area are evenly distributed. In the present invention, the main panel of the heat exchange plate is provided with the diversion area, the main heat exchange area and the confluence area, and the diversion rib is arranged between the diversion area and the main heat exchange area and between the main heat exchange area and the confluence area, which is beneficial to the medium The uniform distribution of the heat exchanger is beneficial to improve the heat exchange performance and heat exchange stability of the heat exchanger.
Description
技术领域technical field
本发明属于换热器技术领域,具体涉及一种多级分流的钎焊换热器板片组。The invention belongs to the technical field of heat exchangers, and in particular relates to a multi-stage split-flow brazing heat exchanger plate group.
背景技术Background technique
钎焊板式换热器是由一系列具有一定波纹形状的金属片叠装经过钎焊加工而成的一种高效换热器。各种板片之间形成通道,通过板片进行热量交换。它与常规的管壳式换热器相比,在相同的流动阻力和泵功率消耗情况下,其传热系数要高出很多,在适用的范围内有取代管壳式换热器的趋势。Brazed plate heat exchanger is a high-efficiency heat exchanger made of a series of metal sheets with a certain corrugated shape stacked and brazed. Channels are formed between various plates, and heat is exchanged through the plates. Compared with the conventional shell and tube heat exchanger, its heat transfer coefficient is much higher under the same flow resistance and pump power consumption, and it has a tendency to replace the shell and tube heat exchanger within the applicable range.
目前市场上的钎焊板式换热器在设计过程中,大多考虑的是换热器两头的流通性而没有考虑到介质在板片中部附近的流通性能,换热器内介质流通会随着距离变长而导致流通不均匀的情况加剧,从而导致换热器性能下降或者不够稳定。At present, in the design process of brazed plate heat exchangers on the market, most of them consider the fluidity of both ends of the heat exchanger without considering the fluidity of the medium near the middle of the plate. The medium circulation in the heat exchanger will change with the distance Longer, resulting in increased uneven flow, resulting in degraded or less stable heat exchanger performance.
发明内容SUMMARY OF THE INVENTION
为了解决现有换热器的介质流通均匀性差,从而导致换热器性能下降或不够稳定的问题,本发明公开了一种多级分流的钎焊换热器板片组,通过在换热板片的主面板上设置分流区、主换热区和汇流区,并在分流区与主换热区之间以及主换热区与汇流区之间设置分流筋,利于介质的均匀分配,有利于提高换热器的换热性能和换热稳定性。In order to solve the problem that the medium circulation uniformity of the existing heat exchanger is poor, which leads to the performance of the heat exchanger being degraded or not stable enough, the invention discloses a multi-stage split-flow brazing heat exchanger plate group. The main panel of the sheet is provided with a diversion area, a main heat exchange area and a confluence area, and a diversion rib is set between the diversion area and the main heat exchange area and between the main heat exchange area and the confluence area, which is conducive to the uniform distribution of the medium and is conducive to Improve the heat exchange performance and heat exchange stability of the heat exchanger.
为了实现上述目的,本发明采用如下技术方案:In order to achieve the above object, the present invention adopts the following technical solutions:
一种多级分流的钎焊换热器板片组,包括至少两对单元板片组,每对所述单元板片组包括层叠设置的第一板片和第二板片,所述第一板片和第二板片均包括主面板和周围的挡板,所述主面板包括分流区、主换热区和汇流区,所述分流区与主换热区之间以及主换热区与汇流区之间均设有分流筋,用于将从分流区流入主换热区的介质以及从主换热区流入汇流区的介质分配均匀。A multi-stage split-flow brazed heat exchanger plate group includes at least two pairs of unit plate groups, each pair of the unit plate groups includes a first plate and a second plate arranged in layers, the first plate group Both the plate and the second plate include a main panel and surrounding baffles, the main panel includes a split area, a main heat exchange area and a confluence area, between the split area and the main heat exchange area and between the main heat exchange area and the main heat exchange area. Diverting ribs are arranged between the confluence areas, so that the medium flowing from the diverting area into the main heat exchange area and the medium flowing into the converging area from the main heat exchange area are evenly distributed.
作为优选,上述分流区设有若干个凸脊一,相邻凸脊一之间形成凹谷一,所述凸脊一与分流筋之间的夹角为α;所述主换热区设有若干个凸脊二,相邻凸脊二之间形成凹谷二,所述凸脊二与分流筋之间的夹角为β;所述汇流区设有若干个凸脊三,相邻凸脊三之间形成凹谷三,所述凸脊三与分流筋之间的夹角为γ;所述α不等于β;所述β不等于γ。Preferably, the above-mentioned diverting area is provided with several
作为优选,上述钎焊换热器板片组用于蒸发器,所述α等于γ,为30-45°,β为20-30°。Preferably, the above brazed heat exchanger plate group is used for the evaporator, the α is equal to γ, which is 30-45°, and the β is 20-30°.
作为优选,上述钎焊换热器板片组用于冷凝器,所述α等于γ,为20-30°,β为30-45°。Preferably, the above brazed heat exchanger plate group is used for a condenser, the α is equal to γ, which is 20-30°, and β is 30-45°.
作为优选,上述凸脊一、凸脊二和凸脊三均朝向同一方向倾斜;所述第二板片相对于第一板片旋转180°;所述凸脊一、凸脊二和凸脊三的高度均相等,且等于分流筋的高度的两倍。Preferably, the first ridge, the second ridge and the third ridge are all inclined in the same direction; the second plate is rotated 180° relative to the first plate; the first ridge, the second ridge and the third ridge are are equal in height and equal to twice the height of the shunt rib.
作为优选,上述第一板片的凹谷二上设有若干个向凸脊二方向凸出的凸槽,所述第二板片的凸脊二上设有若干个向凹谷二方向凹陷的凹槽。Preferably, the second valley of the first plate is provided with a number of convex grooves that protrude in the direction of the convex ridge two, and the convex ridge two of the second plate is provided with a number of concave grooves in the direction of the two valleys. groove.
作为优选,上述凸槽与凹槽大小相等,且分别均匀分布在对应的凹谷二和凸脊二上。Preferably, the above-mentioned convex grooves and grooves have the same size, and are evenly distributed on the corresponding second valleys and second ridges, respectively.
作为优选,上述第一板片的凸脊二沿其顶部具有向凹谷二方向凹陷的凸脊凹陷,所述第二板片的凹谷二沿其底部具有向凸脊二方向凸出的凹谷凸起,便于增加介质在流道内的湍流。Preferably, the second ridge of the first plate has a convex ridge concave along the top of the second plate, which is concave in the direction of the concave and valley two, and the second valley of the second plate has a concave convex in the direction of the convex ridge along the bottom of the second plate. The valley is convex, which is convenient to increase the turbulence of the medium in the flow channel.
作为优选,上述凸脊凹陷和凹谷凸起的高度相等,且等于凸脊二的高度的一半。Preferably, the heights of the ridge depression and the valley protrusion are equal, and are equal to half of the height of the second ridge.
作为优选,上述第一板片的凸脊二的顶部被凸脊凹陷分割为第一凸脊二和第二凸脊二,所述第二板片的凹谷二的底部被凹谷凸起分割为第一凹谷二和第二凹谷二,所述第一凸脊二的顶部宽度、第二凸脊二的顶部宽度、第一板片的凹谷二的底部宽度、第一凹谷二的底部宽度、第二凹谷二的底部宽度和第二板片的凸脊二的顶部宽度均相等,所述凸脊凹陷的底部宽度和凹谷凸起的顶部宽度相等,所述第一凸脊二的顶部宽度大于凹谷凸起的顶部宽度。Preferably, the top of the second convex ridge of the first plate is divided into the first convex ridge two and the second convex ridge two by the convex ridge depression, and the bottom of the second convex ridge of the second plate is divided by the concave valley convex are the
本发明具有如下的有益效果:The present invention has the following beneficial effects:
(1)本发明在换热板片的主面板上设置分流区、主换热区和汇流区,并在分流区与主换热区之间以及主换热区与汇流区之间设置分流筋,分流筋的设置可以使从分流区流至主换热区的介质在分流筋处进行均匀分配,利于介质均匀流入主换热区,介质在主换热区完成热交换后,再经主换热区与汇流区之间的分流筋进行二次分配,均匀汇集在一起,经汇流区流至出口位置,整个过程中,介质经历了两次均匀分配,可以使介质在整个流道中更加均匀地流通,有利于提高换热形成,保证长久的换热稳定性;(1) In the present invention, a diverter area, a main heat exchange area and a confluence area are set on the main panel of the heat exchange plate, and diverter ribs are set between the diverter area and the main heat exchange area and between the main heat exchange area and the confluence area. The setting of the split ribs can make the medium flowing from the split area to the main heat exchange area to be evenly distributed at the split ribs, which is beneficial for the medium to flow into the main heat exchange area evenly. The distribution ribs between the hot area and the confluence area are distributed evenly, and they are evenly collected together, and flow through the confluence area to the outlet. Circulation, which is conducive to improving the formation of heat exchange and ensuring long-term heat exchange stability;
(2)本发明的换热板片可以通过调整凸脊一与分流筋之间的夹角α、凸脊二与分流筋之间的夹角β和凸脊三与分流筋之间的夹角γ的大小来调整介质在三个不同区域中的流速,并通过调整β的大小来确定将换热板片用于蒸发器或冷凝器;(2) The heat exchange plate of the present invention can be adjusted by adjusting the angle α between the
(3)本发明的换热板片在凹谷二上设有凸槽,并在凸脊二上设有凹槽,凸槽和凹槽的设置有利于降低流道内的压降,利于介质更加快速、均匀地流通,提高换热性能;(3) The heat exchange plate of the present invention is provided with convex grooves on the second valley and grooves on the second convex ridge. The setting of the convex grooves and the grooves is conducive to reducing the pressure drop in the flow channel, which is conducive to the improvement of the medium. Fast and uniform circulation to improve heat transfer performance;
(4)本发明在第一板片的凸脊二顶部设有凹陷的凸脊凹陷,并在第二板片的凹谷二底部设有凸出的凹谷凸起,便于增加介质在流道内的湍流,不仅有利于提高换热效率,还可以有效避免污垢的积累,起到良好的防污垢作用。(4) In the present invention, concave ridges and depressions are arranged at the top of the second ridges of the first plate, and convex valleys are arranged at the bottom of the second valleys of the second plate, so as to increase the medium in the flow channel. The turbulent flow is not only conducive to improving the heat exchange efficiency, but also can effectively avoid the accumulation of fouling and play a good antifouling effect.
附图说明Description of drawings
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1是本发明换热板片组的结构示意图;Fig. 1 is the structural representation of the heat exchange plate group of the present invention;
图2是本发明第一板片的结构示意图;Fig. 2 is the structural representation of the first plate of the present invention;
图3是图2中a部分的放大图;Fig. 3 is an enlarged view of part a in Fig. 2;
图4是图2中b部分的放大图;Fig. 4 is an enlarged view of part b in Fig. 2;
图5是本发明第二板片的结构示意图;Fig. 5 is the structural representation of the second plate of the present invention;
图6是图5中c部分的放大图;Fig. 6 is an enlarged view of part c in Fig. 5;
图7是图5中d部分的放大图;Fig. 7 is an enlarged view of part d in Fig. 5;
图8是本发明一对单元板片组的俯视图;8 is a top view of a pair of unit plate groups of the present invention;
图9是沿图8中A-A线的剖视图;Fig. 9 is a sectional view along line A-A in Fig. 8;
图10是沿图8中B-B线的剖视图;Figure 10 is a cross-sectional view along line B-B in Figure 8;
图中:1. 第一板片;2. 第二板片;3. 挡板;41. 分流区;411. 凸脊一;412. 凹谷一;42. 主换热区;421. 凸脊二;4211. 第一凸脊二;4212. 第二凸脊二;422. 凹谷二;4221.第一凹谷二;4222. 第二凹谷二;423. 凸槽;424. 凹槽;425. 凸脊凹陷;426. 凹谷凸起;43. 汇流区;431. 凸脊三;432. 凹谷三;44. 分流筋。In the figure: 1. The first plate; 2. The second plate; 3. The baffle plate; 41. The diversion area; 411. The ridge one; Two; 4211. The first ridge two; 4212. The second ridge two; 422. The valley two; 4221. The first valley two; 4222. The second valley two; 425. ridge depression; 426. valley protrusion; 43. confluence area; 431. ridge three; 432. valley three; 44. diverting ribs.
具体实施方式Detailed ways
现在结合实施例对本发明作进一步详细的说明。The present invention will now be described in further detail with reference to the embodiments.
一种多级分流的钎焊换热器板片组,如图1所示,包括至少两对单元板片组,每对单元板片组包括层叠设置的第一板片1和第二板片2,第一板片1和第二板片2均包括主面板和周围的挡板3,其特征在于:主面板包括分流区41、主换热区42和汇流区43,分流区41与主换热区42之间以及主换热区42与汇流区43之间均设有分流筋44,用于将从分流区41流入主换热区42的介质以及从主换热区42流入汇流区43的介质分配均匀。分流筋44的设置可以使从分流区41流至主换热区42的介质在分流筋44处进行均匀分配,利于介质均匀流入主换热区42,介质在主换热区42完成热交换后,再经主换热区42与汇流区43之间的分流筋44进行二次分配,均匀汇集在一起,经汇流区43流至出口位置。整个过程中,介质经历了两侧均匀分配,可以使介质在整个流道中更加均匀地流通,有利于提高换热形成,保证长久的换热稳定性。A multi-stage split-flow brazed heat exchanger plate group, as shown in FIG. 1, includes at least two pairs of unit plate groups, each pair of unit plate groups includes a
另外,由于换热板片的主面板上设有许多波纹形状的凸脊和凹谷,容易发生变形,分流筋44的设置可以为整个换热板提供有效的支撑,提高面板强度,有利于改善加工变形的问题。In addition, since the main panel of the heat exchange plate is provided with many corrugated ridges and valleys, which are prone to deformation, the arrangement of the diverting
在一种具体的实施方式中,如图2-8所示,分流区41设有若干个凸脊一411,相邻凸脊一411之间形成凹谷一412,凸脊一411与分流筋44之间的夹角为α;主换热区42设有若干个凸脊二421,相邻凸脊二421之间形成凹谷二422,凸脊二421与分流筋44之间的夹角为β;汇流区43设有若干个凸脊三431,相邻凸脊三431之间形成凹谷三432,凸脊三431与分流筋44之间的夹角为γ;α不等于β;β不等于γ。α不等于β,可以使介质不会直接从分流区41流至主换热区42,而是先经过分流筋44的分配再进入主换热区42;β不等于γ,也可以使介质经过分配再进入汇流区43。In a specific embodiment, as shown in FIGS. 2-8 , the
在一种具体的实施方式中,如图8所示,钎焊换热器板片组用于蒸发器,α等于γ,为30-45°,β为20-30°。由于蒸发是液态转换成汽态的过程,将α(或γ)角度设定为较大的角度更有利于液体(或汽态)快速流入(或快速蒸发出)主换热区42,从而提升蒸发性能。In a specific embodiment, as shown in FIG. 8 , the brazed heat exchanger plate group is used for the evaporator, α is equal to γ, which is 30-45°, and β is 20-30°. Since evaporation is a process of converting liquid state into vapor state, setting the angle α (or γ) to a larger angle is more conducive to the rapid flow of liquid (or vapor state) into (or rapid evaporation out of) the main
在一种具体的实施方式中,如图8所示,钎焊换热器板片组用于冷凝器,α等于γ,为20-30°,β为30-45°。由于冷凝是汽态转换成液态的过程,将α(或γ)角度设定为较大的角度更有利于汽态(或液体)快速流入(或快速流出)主换热区42,从而提冷凝性能。In a specific embodiment, as shown in FIG. 8 , the brazed heat exchanger plate pack is used for the condenser, α is equal to γ, which is 20-30°, and β is 30-45°. Since condensation is a process of converting vapor state to liquid state, setting the α (or γ) angle to a larger angle is more conducive to the rapid inflow (or rapid outflow) of the vapor state (or liquid) into the main
在一种具体的实施方式中,如图1、图9和图10所示,凸脊一411、凸脊二421和凸脊三431均朝向同一方向倾斜;第二板片2相对于第一板片1旋转180°;凸脊一411、凸脊二421和凸脊三431的高度均相等,且等于分流筋44的高度的两倍。In a specific embodiment, as shown in FIG. 1 , FIG. 9 and FIG. 10 , the
在一种具体的实施方式中,如图3-4和图6-7所示,第一板片1的凹谷二422上设有若干个向凸脊二421方向凸出的凸槽423,第二板片2的凸脊二421上设有若干个向凹谷二422方向凹陷的凹槽424。在凹谷二422上设置的凸槽423和在凸脊二421上设置的凹槽424有利于降低压降,利于介质更加快速、均匀地流通,提高换热性能。In a specific embodiment, as shown in FIGS. 3-4 and 6-7 , the
在一种具体的实施方式中,如图2和图5所示,凸槽423与凹槽424大小相等,且分别均匀分布在对应的凹谷二422和凸脊二421上。In a specific embodiment, as shown in FIG. 2 and FIG. 5 , the
在一种具体的实施方式中,如图3-4和图6-7所示,第一板片1的凸脊二421沿其顶部具有向凹谷二422方向凹陷的凸脊凹陷425,第二板片2的凹谷二422沿其底部具有向凸脊二421方向凸出的凹谷凸起426,便于增加介质在流道内的湍流。如图9中带箭头的虚线所示,介质可以在流道内形成湍流,不仅有利于提高换热效率,还可以有效避免污垢的积累,起到良好的防污垢作用。In a specific embodiment, as shown in FIGS. 3-4 and 6-7 , the
在一种具体的实施方式中,如图9-10所示,凸脊凹陷425和凹谷凸起426的高度相等,且等于凸脊二421的高度的一半。In a specific embodiment, as shown in FIGS. 9-10 , the heights of the
在一种具体的实施方式中,如图3-4、图6-7和图9-10所示,第一板片1的凸脊二421的顶部被凸脊凹陷425分割为第一凸脊二4211和第二凸脊二4212,第二板片2的凹谷二422的底部被凹谷凸起426分割为第一凹谷二4221和第二凹谷二4222,第一凸脊二4211的顶部宽度、第二凸脊二4212的顶部宽度、第一板片1的凹谷二422的底部宽度、第一凹谷二4221的底部宽度、第二凹谷二4222的底部宽度和第二板片2的凸脊二421的顶部宽度均相等,凸脊凹陷425的底部宽度和凹谷凸起426的顶部宽度相等,第一凸脊二4211的顶部宽度大于凹谷凸起426的顶部宽度。In a specific embodiment, as shown in FIGS. 3-4 , 6-7 and 9-10 , the top of the
以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the contents in the specification, and the technical scope must be determined according to the scope of the claims.
Claims (10)
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EP20020579.7A EP3832243B1 (en) | 2019-12-06 | 2020-12-01 | Multi-stage flow distribution plate group for heat exchanger |
PL20020579.7T PL3832243T3 (en) | 2019-12-06 | 2020-12-01 | Multi-stage flow distribution plate group for heat exchanger |
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SE546498C2 (en) * | 2022-06-22 | 2024-11-19 | Alfa Laval Corp Ab | Plate heat exchanger |
ES3013823T3 (en) | 2022-07-22 | 2025-04-15 | Alfa Laval Corp Ab | Brazed plate heat exchanger |
CN118347331A (en) * | 2024-05-22 | 2024-07-16 | 浙江英特科技股份有限公司 | Heat exchange plate |
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Also Published As
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EP3832243B1 (en) | 2024-03-27 |
EP3832243C0 (en) | 2024-03-27 |
PL3832243T3 (en) | 2024-06-17 |
EP3832243A1 (en) | 2021-06-09 |
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