TWI540301B - 熱交換元件、包含該元件之熱交換器以及製造該元件之設備 - Google Patents

熱交換元件、包含該元件之熱交換器以及製造該元件之設備 Download PDF

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TWI540301B
TWI540301B TW100107530A TW100107530A TWI540301B TW I540301 B TWI540301 B TW I540301B TW 100107530 A TW100107530 A TW 100107530A TW 100107530 A TW100107530 A TW 100107530A TW I540301 B TWI540301 B TW I540301B
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Taiwan
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heat exchange
zone
fluid
elements
outlet
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TW100107530A
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English (en)
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TW201144742A (en
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列夫 雷史密特
阿朗 加內莎拉曼
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亞文德加速器有限公司
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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
    • F28D9/0087—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 with flexible plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/221—Composite plate evaporators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
    • B29C66/221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being in the form of a sinusoidal wave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
    • B29C66/81435—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B29C66/81465—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint one placed behind the other in a single row in the feed direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83415—Roller, cylinder or drum types the contact angle between said rollers, cylinders or drums and said parts to be joined being a non-zero angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/065—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits
    • 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
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2022/00—Hollow articles
    • B29L2022/02—Inflatable articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/18—Heat-exchangers or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/02—Flexible elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Description

熱交換元件、包含該元件之熱交換器以及製造該元件之設備
本發明關於一種撓性塑膠膜材料之熱交換元件、包括複數個此等熱交換元件之熱交換器以及製造熱交換元件之設備。
尤其是，本發明包括熱交換元件，其係由撓性塑膠膜材料製成，該撓性塑膠膜材料係接合以藉形成具有內部及外部熱交換表面之形成之可膨脹袋，該元件包括：入口，用於供應加壓之熱交換流體流；出口，用於在熱交換後排出流體流；以及熔接部陣列，其接合相對之塑膠膜，以界定垂直流體流流徑，通過隨後在可膨脹袋內部之熱交換區。依據本發明之熱交換器具有此等熱交換元件之組合，加壓之熱交換流體係被配置成供給至每一元件之內部，且另一熱交換流體流係被配置供給至元件之間所留下之該等間隙的每一者。此等熱交換器之一項實例為蒸餾器，其可使在元件之間流動的液體蒸發，且在加壓蒸氣後，使在元件內部凝結回液體。
在先前技藝中，WO90/01977說明一種由直立熱交換元件之組合所組成的蒸餾設備，該等直立熱交換元件包括諸對塑膠薄膜，其在薄膜之間具有點狀熔接部以界定熱交換流體流之通道。將被蒸餾之水自元件上方之分配器槽被導引至相鄰元件之外表面，在元件之間蒸發，且接著收集蒸氣並將其吸取至鼓風機，其以較高壓力將蒸氣於元件內部吹動。相鄰元件之內部與外部之間的熱交換使蒸氣凝結回液體。每一元件具有沿元件上部位之垂直邊緣延伸的蒸氣入口，及在元件之傾斜底部之最低角落中的液體出口。本設備之目標在自含鹽海水產製淡水。
WO 92/10264及WO 92/10265揭示一種依據WO 90/01977之蒸餾設備之改良，其中將在袋狀熱交換元件之間蒸發的液體及將在元件內部中凝結之加壓蒸氣兩者係透過相鄰元件頂端之分配器條道(distributor strip)來供應。另一種改良，為每一元件之內部藉由在界定元件之薄膜對之間呈「Z」字形的熔接線，對應地被分成平行垂直、「Z」字形的流體流通道。
WO 98/33029揭示作為另一種改良之袋狀熱交換元件，其彎曲狀熔接部界定元件內部之流體流所用之對應的彎曲狀流通道。熔接部自每一元件之頂端延伸至錐形狀底部，將凝結在元件中之流體收集至居中的排出口。本設備意在用於具有懸浮固態物含量之工業廢水的蒸發，分離成殘餘物，其通過相當狹窄之凝結液排出口因此提供在蒸餾器中發生自淨。
DE 25 11144說明一種蒸餾器，其中塑膠材料之垂直熱交換元件包括點狀熔接之蒸氣分配器區及位在彼此旁邊之以水平與垂直方式形成通道之熱交換區。自蒸餾器之垂直邊供應熱蒸氣至每一元件之內部，使熱蒸氣通過點狀熔接之蒸氣分配器區，且將其導引至熱交換區之水平與垂直通 道，凝結且排出成為凝結液體，通過元件底部之出口。被蒸發之溶液係自蒸餾器之頂端供應至熱交換元件之外表面，往下流動且在熱交換區之經膨脹的水平與垂直通道之間蒸發。
與點狀熔接部比較，彎曲或「Z」字形之熔接部有益於元件之間形成的液流通道不易阻塞成的益處，尤其是，假如元件係配置成使每一第二元件相關於鄰近之元件轉向成鏡像狀，姿態更是如此。在此等配置中，鄰近元件之膨脹彎曲狀流動通道經常彼此交叉，並在元件外部形成通道，該等通道在呈彎曲狀膨脹部位附近形成十字交叉。點狀熔接部，尤其是在鄰近元件中呈面對面位置時，會使在膨脹元件之間的通道變薄且有抑制流體流的趨勢。因纖維狀之懸浮液被蒸發，會使流動通道容易阻塞。彎曲狀熔接部構造亦可比點狀熔接部經得起較高之壓力差，且提供較優越之液體分配。
由於分別供應流體流至每一元件之內部及外部的雙重供給通道配置，習知技藝之熱交換器的彎曲狀熔接部構造，在元件頂端之流體流分配結構體積甚大，乃為其缺點。雙重供給通道配置之厚度設為元件膨脹之最小值，使得鄰近元件之表面彼此接觸。因此，限制了膨脹，以致增加熱交換表面之數量且在特定容積中增加熱交換能力是不可能的。
本發明之目標在提供一種經改良之熱交換元件，其中已避免以上缺點。另言之，本發明旨在相鄰的熱交換元件 之間的流體容易流動，且在高壓條件之下，該等元件具有高度抗磨損，及改進由於受限膨脹造成之能力，以及增加熱交換的表面積。本發明所提供之解決方案為一種熱交換元件，其中具有：點狀熔接部陣列，位於鄰近入口之該元件的最上第一區中；平行延伸熔接部陣列，位於該第一區下方之該元件的第二區中，該延伸熔接部界定通過該第二區之流體流通道；以及斜熔接部陣列，位於該第二區下方之該元件的最下第三區中，該斜熔接部界定供流體流向該出口之通道。
在元件的最上第一區中之點狀熔接部，允許通常為加壓蒸氣之流體可自由地朝側向分佈，藉以使該蒸氣可均勻分配至下方第二區中之流體通道。因此，蒸氣入口可位在元件之垂直邊上，與供給流體至元件外部之入口通道分開。在元件頂端之供給通道結構的厚度係只由後者決定，造成要使元件表面彼此接觸所需之個別元件膨脹較小。再者，藉由增加點狀熔接部之數量，可降低在第一區中之膨脹且使其小於第二區中之膨脹，此將改進相鄰元件之最上部位之間的流體流動。
依據本發明之較佳實施例，元件包括平行彎曲熔接部陣列，其界定垂直延伸通過元件第二區之平行彎曲的流體流通道。然而，本發明甚至涵蓋在第二區中之線性熔接部，在氣體對氣體之熱交換器中尤其有用。
熱交換元件之第一及第二區大致可為矩形，而第三區朝向出口呈錐形狀。在熱交換器中，熱交換元件經常處於直立狀態，且出口係位在元件的最下端，第三區中之流體流通道則朝出口匯聚。
依據本發明之熱交換器包括由相鄰的熱交換元件所構成的組合，熱交換元件係由撓性塑膠膜材料所製成，每一元件具有可膨脹袋之形式，可膨脹袋具有內部及外部熱交換表面，以便能在加壓的第一流體與第二流體之間作熱交換，第一流體係在元件內部流動，第二流體係在相鄰的元件之間流動，且每一元件包括：入口，用於供應該第一流體；出口，用於在熱交換後排出第一流體；以及熔接部陣列，其接合相對之塑膠膜，以界定垂直的流體流流徑隨後流體流通過可膨脹袋內部之熱交換區。本發明之熱交換器的特徵在於每一熱交換元件具有：點狀熔接部陣列，位於鄰近元件入口最上方的第一區中；平行延伸的熔接部陣列，位於該第一區下方之元件的第二區中，該延伸熔接部界定通過第二區之流體流通道；以及斜熔接部陣列，位於該第二區下方之元件的最下第三區中，該斜熔接部界定供流體流向出口之通道。
一種用於製造如本發明之熱交換元件的設備，其特徵在於該設備包括：雙重塑膠片材料之薄片的行經路徑，該雙重塑膠片材料係用於製備複數個袋狀元件；一連串沿該路徑設置之可加熱的熔接滾輪，該三個滾輪具有凸部，用於分別形成三種相異構造之熔接部，且設有液壓或氣動手段，用於選擇性地使該等滾輪與移動中的薄片接觸與不接觸；以及在薄片的相對側上之支撐滾輪，支撐該等熔接滾輪與該薄片接觸。
本發明現將參照諸附圖，藉由實例作更詳細說明
第1圖表示熱交換元件1，其包括一對撓性塑膠膜材料膜片，該撓性塑膠膜材料係經粘接以形成具有內部及外部熱交換表面之可膨脹袋。熱交換元件元件1屬於熱交換器，該熱交換器包括由相鄰的元件所構成的組合，該相鄰的元件藉由夾緊手段彼此束縛在一起。熱交換流體之一者係加壓氣體或蒸氣，其在熱交換元件1內部流動且使元件膨脹以便壓迫相鄰元件之熱交換膜表面成彼此接觸。其它熱交換流體沿外部的熱交換表面，在熱交換元件1之間流動。
依據第1圖之熱交換元件1包括：入口2，用於供應加壓之熱交換流體流；出口3，用於在熱交換後排出流體流；以及熔接部4、熔接部5、及熔接部6陣列，其等接合相對之塑膠膜片，以在該袋內界定出流體流的流徑。在該等元件內部之流體行進方向，係大致呈垂直向下，分成第一區7、第二區8、第三區9三個區，該等區域具有相異構造之熔接部，將膜片彼此粘接在一起且界定在元件內部之流體流的流徑。在鄰近入口2之第一區7中具有允許流體在側向分佈之點狀熔接部4。入口2位在第一區7旁之垂直邊10上。跟隨在第一區7後之第二區8，具有平行彎曲熔接部5陣列，其界定出對應於彎曲的且垂直延伸通過第二區8的流體流通道11。跟隨在第二區8後之第三區9， 具有斜熔接部6陣列，其界定供流體流朝向最下方出口3匯聚之通道12。在第一區7及第二區8之區域中，熱交換元件1之形狀係矩形，具有水平頂端13及垂直邊10而在第三區9中，元件之底部14在軸向向最下方之出口3作成對稱式的錐形。
第2圖顯示兩相鄰的熱交換元件1、1’，其設置在依據本發明所組合之熱交換器15的一組元件中。可見到相鄰之元件1、1’呈彎曲狀的流通道11係呈相互位移或鏡像狀態，使得經膨脹之通道經常彼此交叉且於元件外部留下通道16，環繞該等通道作十字交叉。第4圖為以截面表示元件組合，其進一步例示相鄰元件1、1’中經膨脹之通道11之相互位置。
如在第3及4圖中所見者，每一熱交換元件1之入口2設有垂直桿17，其包含一組加壓流體供給通道18，該供給通道導引至具有點狀熔接部4之第一區7。沿該等元件之頂端13，具有包括相鄰之水平桿19之水平流體分配器結構，每一水平桿19具有一組供給通道20，供給通道20將熱交換流體分配在該等元件之間的熱交換表面上。垂直桿17及水平桿19的端部係交替堆疊並藉由穿入該組合中之每一元件的插栓21接合在一起。
可使用具有依據第1圖之熱交換元件組合的熱交換器為蒸餾器，其中液體係在相鄰的元件之間蒸發，藉由鼓風機(未示出)將自液體產生之蒸氣提升至較高壓力及溫度，然後在該等元件之內部將蒸氣凝結回液體且自該等元件排 出成為蒸餾液。另外之可能使用為自較高溫度之氣體至較低溫度之氣體的熱交換，具較高壓力之氣體在該等元件中流動且具較低壓力之氣體在該等元件之間流動。當流體於經壓縮之元件之間的間隙及通道中流動時，流體內之纖維或其它懸浮液之蒸發，用以降低其容積及分離其中之固態物含量，其後該等固態物係藉由自淨作用於此移除。
第5圖中以示意方式描述製造熱交換元件1之設備。該設備具有：雙重塑膠片材料之薄片22的行經路徑，該雙重塑膠片材料係用於製備複數個袋狀元件；一連串沿該路徑設置之三個可加熱的熔接滾輪23、24、25，該三個滾輪具有凸部，用於分別形成三種相異構造之熔接部，且設有液壓或氣動手段(未示出)，用於選擇性地使該等滾輪與移動中的薄片接觸與不接觸，以及在薄片的相對側上之支撐滾輪26，支撐與該薄片接觸之該等熔接滾輪。為產製如第1圖中所見之元件，該三個滾輪具有凸部，用於分別形成點狀、彎曲及匯聚構造之熔接部。經熔接之塑膠薄片被捲起至滾輪27，且在稍後階段被切成個別熱交換元件1。
1、1’．．．熱交換元件
10．．．垂直邊
11．．．通道
12．．．通道
13．．．頂端
14．．．底部
15．．．熱交換器
16．．．通道
17．．．垂直桿
18．．．供給通道
19．．．水平桿
2．．．入口
20．．．供給通道
21．．．插栓
22．．．薄片
23．．．熔接滾輪
24．．．熔接滾輪
25．．．熔接滾輪
26．．．支撐滾輪
27．．．滾輪
3．．．出口
4．．．熔接部
5．．．熔接部
6．．．熔接部
7．．．第一區
8．．．第二區
9．．．第三區
第1圖為依據本發明之熱交換元件的前視圖；第2圖為依據第1圖之兩相鄰熱交換元件之部分切面的部分前視圖；第3圖為依據申請專利範圍第1項之元件左上角的前視圖，其係沿第4圖之切面III-III所作成者，其包含熱交換流體之入口通道；第4圖為部分熱交換器之截面圖，其係自第3圖之切面IV-IV所作成者，該熱交換器包括由諸熱交換元件所構成之組合；以及第5圖為用於製造依據本發明之熱交換元件之設備的示意例示圖。
1．．．熱交換元件
2．．．入口
3．．．出口
4．．．熔接部
5．．．熔接部
6．．．熔接部
7．．．第一區
8．．．第二區
9．．．第三區
10．．．垂直邊
11．．．通道
12．．．通道
13．．．頂端
14．．．底部

Claims (16)

  1. 一種熱交換元件(1)，其係由撓性塑膠膜材料製成，該撓性塑膠膜材料係接合以形成具有內部及外部熱交換表面之可膨脹袋，該元件包括：入口(2)，用於供應加壓之熱交換流體流；出口(3)，用於在熱交換後排出流體流；以及熔接部(4-6)陣列，其接合相對之塑膠膜，以界定垂直流體流通過隨後在該可膨脹袋內部之熱交換區的流徑；其特徵在於：由一點狀熔接部(4)陣列所構成之接合部，位於鄰近該入口(2)之該元件的最上方第一區(7)中；平行延伸的彎曲熔接部(5)陣列，位於該第一區下方之該元件的第二區(8)中，該等延伸的彎曲熔接部界定通過該第二區之平行彎曲狀流體流通道(11)；以及斜熔接部(6)陣列，位於該第二區下方之該元件的最下方第三區(9)中，該斜熔接部係界定供流體流向該出口(3)之通道(12)。
  2. 如申請專利範圍第1項之熱交換元件，其中該熱交換元件(1)之第一及第二區(7、8)大致為矩形，而該第三區(9)朝向該出口(3)呈錐形狀。
  3. 如申請專利範圍第2項之熱交換元件，其中該出口(3)以直立狀態軸向地位在該元件(1)的最下端，該第三區(9)中之流體流通道(12)朝該出口匯聚。
  4. 如申請專利範圍第3項之熱交換元件，其中該元件(1)具有水平頂端(13)、兩垂直側(10)及具該出口(3)之錐形底端(14)，該入口(2)置於該第一區(7)旁之垂直邊上。
  5. 如申請專利範圍第1至4項中任一項之熱交換元件，其中該元件(1)係用於將加壓的蒸氣或溼氣凝結成液體，使其自該元件最下方之出口(3)排出。
  6. 一種熱交換器(15)，包括由相鄰的熱交換元件(1)所構成的組合，該等熱交換元件(1)係由撓性塑膠膜材料所製成，每一元件具有可膨脹袋之形式，該可膨脹袋具有內部及外部熱交換表面，以便能在加壓的第一流體與第二流體之間作熱交換，該第一流體係在該等元件內部流動，該第二流體係在相鄰的元件(1、1’)之間流動，且每一元件包括：入口(2)，用於供應該第一流體；出口(3)，用於在熱交換後排出該第一流體；以及熔接部(4、5、6)陣列，其接合相對之塑膠膜，以界定垂直流體流流徑通過隨後在該可膨脹袋內部之熱交換區；其中每一熱交換元件(1)之接合組成的熔接部(4-6)陣列的特徵在於：點狀熔接部(4)陣列，位於鄰近該入口(2)最上方的第一區(7)中；平行延伸彎曲熔接部(5)陣列，位於該第一區下方之 該元件的第二區(8)中，該延伸彎曲熔接部界定通過該第二區之平行彎曲的流體流通道(11)；以及斜熔接部(6)陣列，位於該第二區下方之該元件的最下第三區(9)中，該斜熔接部界定供流體流向該出口(3)之通道(12)。
  7. 如申請專利範圍第6項之熱交換器，其中該等相鄰熱交換元件之彎曲熔接部及彎曲的流體流通道是在鏡像位置。
  8. 如申請專利範圍第6項之熱交換器，其中每一熱交換元件(1)之第一及第二區(7、8)大致為矩形，而該第三區(9)朝向該出口(3)錐形化。
  9. 如申請專利範圍第8項之熱交換器，其中該等熱交換元件(1)係呈直立狀態且該出口(3)係位於每一元件之最下端。
  10. 如申請專利範圍第9項之熱交換器，其中每一熱交換元件(1)具水平頂端(13)、兩垂直邊(10)及具該出口(3)之錐形底端(14)，該入口(2)置於該第一區(7)旁之垂直邊上。
  11. 如申請專利範圍第10項之熱交換器，其中具有水平流體分配器結構(19)，其鄰近該等熱交換元件(1)之頂端(13)，該結構包括將流體分配在該等元件之間之熱交換表面上的供給通道(20)。
  12. 申請專利範圍第11項之熱交換器，其中該流體分配器結構(19)包括含一組流體供給通道(20)之水平桿(19)，該 等水平桿係與該等撓性熱交換元件(1)之頂端(13)成交替配置。
  13. 如申請專利範圍第12項之熱交換器，其中每一熱交換元件(1)之入口(2)設有垂直桿(17)，該垂直桿(17)包含有一組蒸氣供給通道(18)，該垂直桿(17)及水平桿(19)之相鄰的端部係以交替的方式彼此釘裝和接合。
  14. 如申請專利範圍第9至13項中任一項之熱交換器，其中該熱交換器係用於將加壓的蒸氣或溼氣凝結成液體，使該液體自該等熱交換元件(1)之最下方的出口(3)排出。
  15. 如申請專利範圍第14項之熱交換器，其中該熱交換器為蒸餾器，其使相鄰熱交換元件(1、1’)之間的液體蒸發、將自該液體產生之蒸氣加壓，且使該蒸氣在該等熱交換元件內部凝結回液體。
  16. 一種用於製造如申請專利範圍第1至5項中任一項之熱交換元件(1)的設備，其特徵在於該設備包括：雙重塑膠片材料之薄片(22)的行經路徑，該雙重塑膠片材料係用於製備複數個袋狀元件；一連串沿該路徑設置之三個可加熱的熔接滾輪(23-25)，該三個滾輪具有凸部，用於分別形成點狀、彎曲及匯聚構造之熔接部，且設有液壓或氣動手段，用於選擇性地使該等滾輪與移動中的薄片接觸與不接觸；以及在薄片的相對側上之支撐滾輪(26)，支撐與該薄片接觸之該等熔接滾輪。
TW100107530A 2010-03-08 2011-03-07 熱交換元件、包含該元件之熱交換器以及製造該元件之設備 TWI540301B (zh)

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