493059 A7 B7 五、發明説明（1 ) 「技術範圍」 本發明係有關一種板式熱交換器，其係使用作為流體 之液體及隨著相態變化之氣液2態流體的熱交換者。 「技術背景」 板式熱交換器一般是於被堆積之平板間形成密閉之流 路，且進行流動於該流路之流體的熱交換者。該熱交換器 係使其每一單位體積之表面積大且呈小型化，並因使用材 料少，而成為代替習知之殼管型熱交換器者。一般之板式 熱交換器係用密封墊板將板之外周及集管孔封閉，且將各 板以機械方式固定者。其係具有可分解洗淨的特長，但相 反卻有使所用之流體之溫度及壓力之範圍被限制的缺點。 對如此一般的板式熱交換器，有提出如公開於特開昭 63-137793的新構成之板式熱交換器者。該板式熱交換器係 將金屬平板衝孔以形成流路並予以堆積重疊而構成者，且 使流動著流體之流路被形成於平板之厚度内者。除了與習 知之板式熱交換器同樣的特長外，因形成流路之金屬平板 被完全的接合，故使所使用之流體溫度及壓力範圍不會受 到很大的限制。 在第8圖係為使能說明該板式熱交換器之内部構造，而 將其一部分分解予以顯示者。該板式熱交換器係將被形成 貫穿板面之流路86的流路板81與同樣被形成流路87之流路 板82，藉間隔壁板83以複數片做交互的堆積，並將其配置 在以一對之終端板84、85之間而構成。 於流路板81上除了流路86以外還設有貫穿孔92a與92b 4 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 五、發明説明（2 ) ，而於流路板82上除了流路87以外還設有貫穿孔95a與95b ，另外於間隔壁板83上還分別設有貫穿孔93a、93b、94a 、94b。另外，於終端板84上分別立設著熱交換流體A之入 口管88與出口管89，及熱交換流體B之入口管90與出口管 91。在此，流路86與流路87係如第8圖所示，隔著間隔壁板 83使其流路内之流動呈正交的位置關係。 熱交換流體A係藉設置於板端84之入口管88流入於熱 交換器内部，且經由貫穿孔94a及95a，並進入至形成於流 路板81之流路86。而流動於流路86之熱交換流體A，係經 由貫穿孔95b及94b，並藉出口管89流出於熱交換器外部。 另一方面，熱交換流體B係藉設置於板端84之入口管90流 入於熱交換器内部，且經由貫穿孔92a及93a，並進入至形 成於流路板82之流路87。而流動於流路87之熱交換流體B ，係經由貫穿孔93b及92b，並藉出口管91流出於熱交換器 外部。此時，使流動於流路86之熱交換流體A，成為藉位 於其上下之2個間隔壁板83，與流動於流路87之熱交換流體 B進行熱交換。 但是，在如此習知之板式熱交換器上，產生了如以下 蠣 之課題。 ’ 首先，在熱交換流體A與B之傳熱形態，因係成為比一 般之對流之傳熱性能還差的正交流形式，故為得到預定之 熱傳導特性，所以要比對流型之熱交換器還需要有更大的 熱傳導面積，因而導致熱交換器的大型化。另外，例如為 提高熱交換器之熱交換流體A側之熱傳導特性，使流路86 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐) (請先閲讀背面之注意事項再填寫本頁) •訂— :線丨 493059 A7 B7 五、發明説明（3 ) 變長而增大熱傳導面積時，則會產生有須要使藉間隔壁板 83之相對流路87其流路數增加，或者擴大流路寬度的情形 。而在任何情形，也都要增加流路87之斷面積，因而使熱 交換流體B之流速降低，而有使熱交換流體B之熱傳導特性 劣化的課題。 另外，作為接合如此板式熱交換器之各板的方法，係 使用著擴散接合、黏著及焊接等方法。 在擴散接合上係將做了堆積之板在真空内進行加壓， 且加熱至比板材質之融點還稍低之溫度者。因係藉各板之 接觸面之材料間的擴散而被接合，故於熔接時必須要有非 常大的加壓荷重。因此，必需有大型的加壓設備，且缺乏 量產性而難以低成本化。 另外，黏著係將環氧樹脂系等黏著劑塗抹於各板之接 合面，且對做了堆積之板進行加熱硬化處理者。藉黏著予 以接合係因缺乏對接合部之耐壓性及耐熱性等的可靠性， 故使熱交換器之使用壓力及溫度明顯的被限制。 另一方面，焊接係將比母材之融點還低之焊接材料塗 抹於各板之接合面，且將做了堆積之板加熱至焊接材料之 融點以上者。並藉使融化之焊接材料擴散於各板内，而使 各板被接合。而作為板之接合方法係考慮到製造設備及熱 交換器之耐壓性，一般使用焊接方法較多。但是，如焊接 處理時之板間之密著性不良，則會於板之接合部產生間隙 ，而容易成為漏出熱交換流體的原因。例如，流路板及間 隔壁板之流路及貫穿孔，因通常係藉衝壓加工而被形成， 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 6 .......".....、·.....----- (請先閲讀背面之注意事項再填寫本頁) .、tr— 493059 A7 B7 五、發明説明（4 ) 故會於加工部上對應於衝Μ加工之衝孔方向形成毛邊。而 在將各板做堆積時，如各毛邊相壓接，則會明顯的損壞板 間之密著性，而容易成為焊接不良的原因。 本發明係有鑑於習知技術有如此之問題點而發明者， 係提供一種可藉使兩種流體以對流之形態進行熱交換，而 使性能提高，同時可使其小型化並低成本化的板式熱交換 器及其製造方法，作為其目的。 發明之摘要 為達成上述目的，本發明之板式熱交換器係將被形成 互不相通之兩條流路的複數之板配置於一對終端板之間， 且構成使流動於兩條流路之流體做相對的流動。 如依此構成，則因使兩種流體以具有高熱傳導性之對 流形態進行熱交換，故可實現板式熱交換器之高性能化與 小型化。 另外，將上述複數之板構成使其被形成著貫穿板面之 第1流路的第1流路板，與被形成著貫穿板面之第2流路的第 2流路板，隔著間隔壁板並以複數片做交互堆積，且使第1 流路與第2流路藉間隔壁板而被設置於相對的位置，並做成 m 可使流動在第1流路之第1流體與流動在第2流路之第2流體 * 做相對的流動。 於上述構成上，如將間隔壁板之厚度做成至少比第1 及第2流路板之其中一方還厚的話，則因提高作為壓力容器 之機械強度，故可提高板式熱交換器之可靠性。 或者，也可將上述複數之板構成使其被形成貫穿板面 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） (請先閲讀背面之注意事項再填寫本頁) .訂— :線 493059 A7 ___B7_ 五、發明説明（5 ) (請先閲讀背面之注意事項再填寫本頁) 之第1及第2流路的流路板以複數片的做堆積，且使第1及第 2流路設置於互相相鄰且並行的位置，並使流動在第1流路 之第1流體與流動在第2流路之第2流體能做相對的流動。 如依該構成，則使第1及第2流體以對流之形態進行熱 交換，並且，因使板之構成被簡略化，故可實現板式熱交 換器之高性能化、小型化及降低製造成本。 另外，如使第1及第2流路板具有相同形狀之構造的話 ，則使流路板成為可共用，因而使板構造明顯的被簡略化 ，故可更減低板式熱交換器之製造成本。 更且，分別將複數之板藉衝壓加工予以成形，並將複 數之板使其衝壓加工之衝孔方向成為一致的做堆積，則可 避免因衝壓加工而使產生於各板之毛邊面的相壓接。該結 果，使板間之密著性良好，而提高板式熱交換器之製造時 的良率。 也可於第1及第2流路的至少一方上，設置一將流路於 寬方向上予以分隔的間隔部。此構造係使流路寬度變小並 使流路斷面積變小，因而可增大流動於流路内之流體的速 度，故可提高熱傳導特性。另外，藉於流路間設置間隔部 ，以提高作為壓力容器之機械強度，而可實現更進一步的 提高板式熱交換器之高性能化與可靠性。 另外，如將第1及第2流路作成具有U字形狀之折返部 的構造，則可使熱交換器之縱方向或橫方向之長度作成非 常的小於所相對之流路長度，而可實現板式熱交換器更進 一步的小型化。 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 五、發明説明（6 ) 更且，將第1及第2流路至少其中一方之寬度，作成與 流路之長形方向之長度略為相同的話，則使各流體圓滑的 流動於流路内，且因使流體之滯留而造成的熱傳導性能劣 化現象消失，故可實現使板式熱交換器更進一步的高性能 化。 另外，也可使於位在第1及第2流路互相相鄰之位置的 相同流路間上設置貫穿孔，並使複數之流路板之貫穿孔相 連通。如依該構造的話，則因使互相相鄰之流路上的相同 流體間之熱的移動完全被遮斷，故可實現使板式熱交換器 更進一步的高性能化。 又，如將複數之流路板用以樹脂材料形成，則可實現 板式熱交換器的輕量化。此時，如將成為熱傳導面之間隔 壁板用以金屬材料或是熱傳導率南的石墨等樹脂材料形成 的話，則不會有使熱交換器之性能劣化的情形。 更且，本發明之板式熱交換器的製造方法，其特徵是 具有：一藉衝壓加工分別將複數之板予以成形的過程；一 於複數板的至少其中一部分的兩面上施以電鍍處理的過程 ;一將複數之板使其衝壓加工之衝孔方向成為一致的予以 堆積的過程；及，一將被堆積之複數板在密著之狀態下予 ， 以加熱的過程。 如依該方法的話，在將各板做堆積時，可避免因衝壓 加工使產生於各板之毛邊面的相壓接，而可使板間之密著 性成為良好，同時板之間因係藉使用電鍍過之焊接接合而 被保證確實的接合，故可提高板式熱交換器之製造時的良 本紙張尺度適用中國國家標準（CNS) Α4規格（210X297公釐） 9 (請先閲讀背面之注意事項再填寫本頁) 、τ .線 493059 A7 B7 五、發明説明（7 ) 率與可靠性。 另外，代替上述電鍍處理之過程，而亦可設置一於複 數板之衝壓加工的衝孔方向之上流側之面上塗抹膏狀之焊 接材料之過程。此時，因使用比電鍍之成本還低的膏狀之 焊接材料，故可減低板熱交換器之製造成本。另外，對各 板衝壓加工之衝孔方向之上流側之面，亦即是，因於未突 出毛邊之面上塗抹，故可減低由於毛邊對使用在塗抹焊料 時之網板等治具的損害，而可提高板式熱交換器之製造時 的可靠性。 圖面的簡單說明 第1圖係有關本發明之第1實施形態的板式熱交換器之 分解斜視圖。 第2圖係顯示設於第1圖之板示熱交換器之流路板之變 形之一例的平面圖。 第3圖係有關本發明之第2實施形態的板式熱交換器之 分解斜視圖。 第4圖係有關本發明之第3實施形態的板式熱交換器之 分解斜視圖。 第5圖係有關本發明之第4實施形態的板式熱交換器之 分解斜視圖。 第6圖係沿著第1圖之線VI-VI的斷面圖，顯示著板式熱 交換器之製造方法。 第7圖係沿著第1圖之線VI-VI的斷面圖，顯示著板式熱 交換器之另一種製造方法。 10 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐〉 493059 A7 B7 五、發明説明（8 ) 第8圖係習知之板式熱交換器之分解斜視圖。 為實施發明之最好形態 以下，有關本發明之實施形態一面參照圖面一面的做 說明。 (第1實施形態） 第1圖係顯示有關本發明之第1實施形態的板式熱交換 器的構成，並使其内部構成能夠被理解的將一部分做分解 〇 該板式熱交換器係具有將形成著貫穿板面之流路的複 數板配置於一對終端板間的構成，且在複數板中之不同板 之平面内設置互相不連通的複數流路，同時構成使流動於 複數之流路的流體呈對流的流動者。 於具體上，係如第1圖所示，使一被形成著貫穿板面之 熱交換流體A之流路6的第1流路板，與一被形成著貫穿板 面之熱交換流體B之流路7的第2流路板之間隔著一間隔壁 板3的狀態，並以複數片做交互的堆積，且使其成為配置於 一對終端板4與5之間的構成者。此時，流路6與流路7係藉 隔壁板3而被設置於相對的位置，而使流動於流路6之熱交 換流體A與流動於流路7之熱交換流體B構成相對流動之狀 而於流路板1上除了流路6以外還設有貫穿孔12a與12b ，且於流路板2上除了流路7以外還設有貫穿孔15a與15b， 另外於間隔壁板3上還分別設有貫穿孔13a、13b、14a、14b 。另外，熱交換流體A之入口頭16係於藉間隔壁板3而將流 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 11 ---------------------裝..................、玎------------------線 (請先閲讀背面之注意事項再填寫本頁) 493059 A7 B7 五、發明説明（9 ) 路板1與2做堆積時，藉由設於各板之流路6、貫穿孔14a及 15a以形成空間。同樣地構成熱交換流體A之出口頭17及熱 交換流體B之入口頭18與出口頭19。 另外，於終端板4上係分別立設著熱交換流體A之入口 管8與出口管9，及熱交換流體B之入口管10與出口管11。 而入口管8與出口管9係分別連通於熱交換流體A之入口頭 16與出口頭17。同樣的入口管10與出口管11也是分別連通 於熱交換流體B之入口頭18與出口頭19。 熱交換流體A係如圖中以實線所示之箭頭，藉被設置 於終端板之入口管8流入入口頭16,並進入被形成於流路板 1的流路6，且流動於流路6之熱交換流體A係被集中於出口 頭17，並藉出口管9流出於外部。另一方面，熱交換流體 B係如圖中以點線所示之箭頭，藉由設置於終端板4之入口 管10而流入於入口頭18，並進入形成於流路板2之流路7， 且流動於流路7之熱交換流體B係集中於出口頭19,並由出 口管11流出外部。此時，流動於流路之熱交換流體A，係 成為藉位於其上下位置之2片間隔壁板3而與流動於流路7 之熱交換流體B進行熱交換。 如第1圖所示，流路6與流路7係因藉間隔壁板3除了各 管頭附近外全部設置於相對之位置，故可使熱交換流體A 與B以對流形態進行熱交換。於一般上，對流係比習知為 板式熱交換器之熱傳導形態的直流式或並流式，較具有高 熱交換特性之一種熱傳導形態。因此，因藉上述之構成， 可提供一種使熱交換流體A與B以對流形態進行熱交換的 12 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 >五、發明説明（1G ) 具體構成，故可實現板式熱交換器之高性能化與小型化。 另外，於上述構成上，使流路板1、2與間隔板3之厚度 成為相同厚度亦可，但也可做成比流路板1或2還厚。 如予以詳述，則對貫穿板面以形成流路之板式熱交換 器上，例如，流路板1之厚度係相當於流路6之高度，並為 _ 決定流動於流路6之熱交換流體A之流速的重要因素。另一 方面，成為熱交換流體A與B進行熱交換時之熱傳導面的間 Ο 隔壁3之厚度，係決定熱交換時之熱阻抗，同時成為決定熱 交換器之耐壓性能的重要因素。在進行板式熱交換器之而于 壓設計時，熱交換流體A與B之動作壓力、板材料之機械性 質及形成流路部分之間隔壁形狀（寬、厚度），係成為設計 之參數。 因此，將間隔壁3之厚度做成至少比流路板1或2還厚， 並藉提高作為壓力容器之機械強度，而可提高板式熱交換 器之可靠性。 W 另外，亦可將流路板1與2作成相同形狀。亦即是，流 路板2係於水平面内旋轉180度並藉間隔壁板3與具有相同 形狀之流路板1做堆積者亦可。如使流路板2於水平面内旋 轉180度，則使流路板2之流路7、貫穿孔15a及15b，與流路 Λ 板1之流路6、貫穿孔12b及12a完全成為一致。 因此，藉使用相同形狀之流路板1與2，而使流路板1 與2成為可共用，因而使板構成明顯的被簡略化，而可實現 降低板式熱交換器之製造成本。 最好是使流路板1與2、間隔板3之流路及貫穿孔與外周 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公爱） 13 裝 訂 線. (請先閲讀背面之注意事項再填寫本頁) 493059 A7 _B7_ 五、發明説明（11 ) 圍形狀藉衝壓加工而被形成，且使該衝壓加工之衝孔方向 成為一致的做堆積。 於一般上，如藉衝壓加工於板上形成貫穿孔，則會於 該貫穿孔之輪廓部形成突起狀之毛邊，且該毛邊係形成於 衝壓加工之衝孔方向的下流側之板面。在將各板做堆積時 ，如使該兩邊之毛邊相壓接，則會損壞板間之密著性，而 成為接合不良的原因。因此，如將各板使其衝壓加工之衝 孔方向成為一致的做堆積的話，則可避免兩毛邊之相壓接 ，而使板間之密著性成為良好，以提高板式熱交換器製造 時的良率。 另外，如第1圖所示，流路6與7係分別具有略U字形狀 之折返部20及21。 藉於流路上設置略U字形狀之折返部，使板上不只是 直線狀之流路，而可構成矩形狀或渦旋狀等任意形狀的流 路。此是，其意思是對流路長度非常長的流路，可將熱交 換器之縱方向或橫方向之長度做成十分的短，而可實現板 式熱交換器更進一步的小型化。 更且，如第2圖所示，.也可將流路6與7之至少一方的流 路寬度做成略相等於其長形方向（第2圖係特別顯示著流路 6) 〇 流路6係由具有將形成熱交換流體A之入口及出口管 頭之一部分的管頭部22及23，及與該等連通之直行部24及 折返部20所構成。而該直行部24之流路寬度T1與折返部20 之流管寬T2係設定成大約相同。且對熱交換流體B之流路 14 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 五、發明説明（ 12 ，也是藉間隔板而具有同樣的形狀。 在流路寬不與流路之長形方向略同時’特別是’如以 流路之折返部成為矩形時來考量，則於該流路上會有折角 部存在，且在熱交換流體通過折角部時，會妨礙折角部附 近之流體圓滑的流動，而容易引起流體之滯留。該流體之 滯流會妨礙隔著間隔壁板之流路間的熱交換，且成為使熱 交換器全體之性能的主要原因。 而如流路6之寬度與流路之長形方向，特別是在直行部 24與折返部20為大約相同的話，則熱交換流體A不會滯留 在流路6之折返部20而可圓滑的流動，而可實現板式熱交換 器更加一層的高性能化。另外有關與流路6相對的流路7也 同樣。 (第2實施形態） 第3圖係顯示著有關本發明之實施形態2的板式熱交換 器。 該板式熱交換器，係具有將形成貫穿板面之流路的複 數之板配置於一對終端板間的構成，且於複數板之各平面 内設置不互相連通的複數流路，同時使流動於複數流路之 流體成為相對的流動之構成者。 於具體上，如第3圖所示，將形成貫穿板面之複數流路 34與35之流路板31以複數片的做堆積，且構成配置於一對 之終端板32與33間，此時，使流路34與35設置於互相相鄰 的並行位置，且使流動於流路34之熱交換流體A與流於流 路35的熱交換流體B相對流動的構成著。 (請先閲讀背面之注意事項再填寫本頁) 、τ· :線_ 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 15 493059 A7 __B7_ 五、發明説明（13 ) 於流路板31上，在流路34之長形方向兩端上，分別設 置著與其連通之入口管頭部40及出口管頭部41，及於流路 35之長形方向兩端上設置與其連通之入口管頭部42及出口 管頭部43。 另外，於終端板32上，立設著熱交換流體A之入口管 36與出口管37及熱交換流體B之入口管38與出口管39。入 口管36與出口管37係分別連通於熱交換流體A之入口管頭 部40與出口管頭部41。同樣的入口管3 8與出口管39也是分 別連通於熱交換流體B之入口管頭部42與出口管頭部43。 熱交換流體A係由設置於終端板32之入口管36的流入 於入口管頭部40，並進入形成於流路板31的流路34，並且 將流動於流路34之熱交換流體A集中於出口管頭部41，並 藉出口管37流出外部。另一方面，熱交換流體B係由設置 於終端板32之入口管38的流入於入口管頭部42，並同樣的 進入形成於流路板31的流路35，並且將流動於流路35之熱 交換流體B集中於出口管頭部43,並藉出口管39流出至外 部。此時，流動於流路34之熱交換流體A，係藉位於流路 34與35之間的間隔部44，.而與流動於流路35之熱交換流體 B進行熱交換。 如第3圖所示，流路34與35係因藉間隔部使除了管頭附 近以外，全部設置於相對之位置，故使熱交換流體A與可 以對流之形態進行熱交換。 另外，排除顯示於第1圖之間隔板，而可僅由流路板31 來構成，更且因可將流路板31全部做成相同形狀，故可使 16 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 ___B7_ 五、發明説明（14 ) 板構成簡略化，而可實現板式熱交換器之高性能化、小型 化及降低製造成本。 另外，與第1實施形態同樣，由衝壓加工形成流路板31 ，且將衝壓加工之衝孔方向成為一致的做堆積的話，則可 提高板間之密著性。 更且，與第1實施形態相同，藉於流路34與35設置略U 字形狀的折返部，而可將板式熱交換器製作成更小型。另 外，藉將流路34與35之至少一方的流路寬度設定成與流路 之長形方向之長度略相同，而可實現板式熱交換器更進一 步的高性能化。 (第3實施形態） 第4圖係顯示著有關本發明之實施形態3的板式熱交換 器。 該板式熱交換器，係使一被形成著貫穿板面之熱交換 流體A之流路56的流路板51，與一被形成著貫穿板面之熱 交換流體B之流路57的流路板52之間隔著一間隔壁板53的 狀態，並以複數片的做交互堆積，並成為配置於終端板54 、55之間的構造，更且，.設置一於寬方向將流路板51之流 路56做分隔的分隔部72者。 1 而於流路板51上除了流路56以外還設有貫穿孔62a與 62b，且於流路板52上除了流路57以外還設有貫穿孔65a與 65b，另外於間隔壁板53上還分別設有貫穿孔63a、63b、64a 、64b。另外，熱交換流體A之入口頭66係在將流路板51與 52之間藉間隔壁板53而做堆積時，由設於各板之流路56、 本紙張尺度適用中國國家標準（CNS) Α4規格（210X297公釐） 17 .......................裝------------------、ΤΓ..................線. (請先閲讀背面之注意事項再填窝本頁) 493059 A7 B7 五、發明説明（15 ) 貫穿孔64a及65a而被形成的空間。並以同樣的構成熱交換 流體A之出口頭67及熱交換流體B之入口頭68與出口頭69 〇 另外，於終端板54上係分別立設著熱交換流體A之入 口管58與出口管59，及熱交換流體B之入口管60與出口管 61。而入口管58與出口管59係分別連通於熱交換流體A之 入口頭66與出口頭67。同樣的入口管60與出口管61也是分 別連通於熱交換流體B之入口頭68與出口頭69。 熱交換流體A係藉被設置於終端板54之入口管58流入 於入口頭66，並進入被形成於流路板51的流路56，且流動 於流路56之熱交換流體A係被集中於出口頭67，並藉出口 誓59流出於外部。另一方面，熱交換流體B係藉由設置於 終端板54之入口管60而流入於入口頭68，並進入形成於流 路板52之流路57，且流動於流路57之熱交換流體B係集中 於出口頭69，並由出口管61流出外部。此時，流動於流路 56之熱交換流體A，係成為藉位於其上下位置之2個間隔壁 板53而與流動於流路57之熱交換流體B進行熱交換。 如第4圖所示，藉設置一使流路56於寬方向分隔成兩部 分的分隔部72，因使流路56整體之寬度變小且斷面積變小 ，故可將流動於流路56之熱交換流體A之速度變快。且於 一般上，如使流體之流速變快，則其熱傳導特性會提高。 另外，藉於流路間設置間隔部72，而使流路板1與間隔壁板 3之接合面積被擴大，而提高作為熱交換器之壓力容器的機 械強度。 18 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 五、發明説明（16 ) 因此，如依上記之構成，則可實現使板式熱交換器更 進一步的高性能化與提高可靠性。 另外，有關顯示於第3圖之構成的板式熱交換器，也是 至少於流路34與35之其中一方的流路内，設置一於寬方向 分隔該流路的分隔部72的話，則也可得到同樣的效果。 (第4實施形態） 第5圖係顯示著有關本發明之實施形態4的板式熱交換 器。 該板式熱交換器係與第1圖所示之構成相同，使一被形 成著貫穿板面之熱交換流體A之流路56的流路板51，與一 被形成著貫穿板面之熱交換流體B之流路57的流路板52之 間隔著一間隔壁板53的狀態，並以複數片的做交互堆積， 且使其成為配置於一對終端板54與55之間的構成，且流路 56及57係分別具有略U字形狀之折返部70及71者。除此之 外，還在位於流路板51上之互相相鄰位置之流路56(折返部 70之上流側與下流側）之間設置貫穿孔73a，同時於間隔壁 板53及流路板52上也在與貫穿孔73a相對之設置上設置與 其連通的貫穿孔73b及73c。另外，於終端板54與55上，也 在與貫穿孔73a、73b及73c相對之設置上設置貫穿孔73d及 1 73e 〇 而於流路板51上除了流路56以外還設有貫穿孔62a與 62b，且於流路板52上除了流路57以外還設有貫穿孔65a與 65b，另外於間隔壁板53上還分別設有貫穿孔63a、63b、64a 、64b。另外，熱交換流體A之入口頭66係在將流路板51與 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 19 (請先閲讀背面之注意事項再填寫本頁) .訂丨 :線丨 493059 A7 B7 五、發明説明（17 ) 52之間藉間隔壁板53而做堆積時，由設於各板之流路56、 貫穿孔64a及65a而被形成的空間。並以同樣的構成熱交換 流體A之出口頭67及熱交換流體B之入口頭68與出口頭69 〇 另外，於終端板54上係分別立設著熱交換流體A之入 口管58與出口管59，及熱交換流體B之入口管60與出口管 61。而入口管58與出口管59係分別連通於熱交換流體A之 入口頭66與出口頭67。同樣的入口管60與出口管61也是分 別連通於熱交換流體B之入口頭68與出口頭69。 熱交換流體A係藉被設置於終端板54之入口管58流入 於入口頭66，並進入被形成於流路板51的流路56，且流動 於流路56之熱交換流體A係被集中於出口頭67，並藉出口 管59流出於外部。另一方面，熱交換流體B係藉由設置於 終端板54之入口管60而流入於入口頭68，並進入形成於流 路板52之流路57，且流動於流路57之熱交換流體B係集中 於出口頭69，並由出口管61流出外部。此時，流動於流路 56之熱交換流體A，係成為藉位於其上下位置之2個間隔壁 板53而與流動於流路57之熱交換流體B進行熱交換。 如第5圖所示，在流路56具有略U字形狀之折返部70時 ，則熱交換流體A係隔著間隔壁板53與熱交換流體B做熱交 換，同時也可與流動於流路56之相鄰部分之熱交換流體A 做熱交換。但是，如依本實施形態的話，因位於互相相鄰 之位置的流路56之間有貫穿孔73a形成，故於該部分上相同 流路間之熱移動被完全的阻隔，且對流路57側也是相同。 20 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 五、發明説明（18 ) 因此，由上述之構成，因在熱交換流體之相同流路間 的熱交換被完全的阻隔，故可實現板式熱交換器更進一步 的高性能化。 另外，對顯示於第3圖之構成的板式熱交換器，如於流 路34或35之互相相鄰位置的相同流路間設置貫穿孔的話， 也可得到相同的效果。 (第5實施形態） 接著，具體的說明在實施形態1至4所說明的板式熱交 換器之製造方法。本實施形態特別是各板係假定完全以具 有良好之熱傳導性的不銹鋼、銅、鋁等的金屬材料所構成 者。 第6圖係顯示沿著第1圖所示之板式熱交換器之線 VI-VI的斷面圖，使堆積時之焊接材料之設置狀態容易了解 的予以顯示者。於上下之終端板4與5之間，使全面設置著 顯示於焊接材料26及27之電鍍層的流路板1與2,隔著間隔 壁板3順序的被堆積。 首先，對流路板1與2，及向間隔壁板3之流路與貫穿孔 之加工，係藉易於量產的衝壓加工來進行。 接著，對形成有流路與貫穿孔之流路板1與2，於其表 1 面施以電鍍加工。且在各板之材質係耐蝕性佳的不銹鋼時 ，則例如以鎳與燐為主要成分的施以電鍍即可，而該電鍍 加工通常係以無電解電鑛法進行。另外，如各板之材質係 熱傳導率高的銅時，則例如以銀為主要成分的施以電鍍即 "ΐΤρ 〇 本紙張尺度適用中國國家標準（CNS) Α4規格（210X297公釐） 21 ..................—裝------------------、玎------------------線· (請先閲讀背面之注意事項再填寫本頁) 493059 A7 B7 五、發明説明（19 ) 更且，全部的板係於圖中以箭頭所示之方向上使衝壓 加工之衝孔方向一致的做堆積。 在最後，藉在密著之狀態下將堆積之各板加熱，並使 電鍍層溶解而成體的接合。 此時，因衝壓加工過之各板係使其毛邊方向呈一致的 被堆積，故可避免因毛邊相互壓接而使密著性惡化，同時 使板之間藉使用電鍍過之焊接接合而被保證確實的接合。 另外，第3圖所示之構成的板式熱交換器，如依照下列 :一使流路板31藉衝壓加工而被成形之過程；一使流路板 31於其兩面施以電鍍處理之過程；一使流路板31其前述衝 壓加工之衝孔方向成為一致的予以堆積之工程；及，一使 破堆積之流路板3 1在密著之狀態下加熱之過程，所構成之 製造方法，以進行製造的話，也可得到同樣的效果。 (第6實施形態） 第7圖係顯示在第1至4所說明之板式熱交換器的另一 種製造方法，於上下之終端板4與5之間，使僅於其上面塗 上焊接材料之流路板1與2之間，隔著同樣僅於上面塗上焊 接材料之間隔壁板3，並順序的被堆積。 首先，對流路板1與2，及向間隔壁板3之流路與貫穿孔 之加工，係藉易於量產的衝壓加工來進行。 接著，對各流路板塗上焊接材料，且作為焊接材料係 使用將黏合劑與粉末狀之焊接材料調配後的膏狀焊接材料 。而塗抹該膏狀焊接材料，係例如以絲網印刷等的印刷方 法且用塗抹用之網面來進行。在本實施形態上，係藉具有 22 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 _ B7 五、發明説明（2G ) 與流路板1略相同形狀之開口部的網面，分別於流路板1與 位於其下之間隔壁板3之上面塗抹上焊接材料28a及28b，在 此，焊接材料之塗抹係對著各板之衝壓加工之衝孔方向的 上流側之面（於圖中係指上面）進行塗抹。同樣的，藉具有 與流路板2略相同形狀之開口部的網面，分別於流路板2與 位於其下之間隔壁板3之上面塗抹上焊接材料29a及29b·。另 I 外，作為焊接材料如各板之材質為不銹鋼時，係例如最好 使用鎳系者，而其材質為銅時則例如最好使用銀或燐銅系 者。 更且’全部之板在圖中以箭頭所示之方向上使其衝壓 加工之衝孔方向呈一致的被堆積。 於最後，藉將塗上焊接材料且被堆積之各板在密著之 狀態下進行加熱，使膏狀焊接材料之焊材成分融化而呈一 體的結合在一起。 因此，使板之間藉使用了膏狀焊接材料之焊接接合而 _ 被保證確實的接合。另外，因使用比電鍍成本還便宜之膏 狀焊接材料，故可降低熱交換器之製造成本，更且，因於 各板之無毛邊突出之面上塗抹焊接材料，故可減低因毛邊 而對使用於塗抹焊接材料之網面等治具的損傷，而實現提 ^ 高製造時之可靠性。 另外，對顯示於第3圖之構成的板式熱交換器，如依照 下列：一使流路板31藉衝壓加工而被成形之過程；一在流 路板31之衝壓加工之衝孔方向的上流側之面上塗抹膏狀焊 接材料之過程；一使流路板31其前述衝壓加工之衝孔方向 適用ΐΐ國家標準（CNS) Α4規格（210X297公釐) Τ 23 - ......................裝..................訂.......................線· (請先閲讀背面之注意事項再填寫本頁) 493059 A7 _B7_ 五、發明説明（21 ) 成為一致的予以堆積之工程；及，一使被堆積之流路板31 在密著之狀態下加熱之過程，所構成之製造方法，以進行 製造的話，也可得到同樣的效果。 另外，在上述實施形態5及6上，將各板預想成全部由 金屬材料構成，但依照熱交換器所需要之耐壓及耐熱性能 ，至少可將流路板用以比鐵氟龍板等之比重小的樹脂材料 構成。 依此，使板式熱交換器輕量化。此時，將間隔壁板3 用以具有比樹脂材料還好的熱傳導率的金屬材料來構成的 話，則不會使熱交換流體A與B之熱交換性能劣化，且以樹 脂材料做成流路板時，作為板式熱交換器之製造方法，係 並非上記之焊接方式，而可使用黏著或樹脂本身的溶解接 著。因此，比全部用以金屬材料構成之板式熱交換器，係 可一面維持其熱傳導性能，而提供一種更輕量且小型的熱 交換器。 另外，依照熱交換器之使用環境，將全部的板以樹脂 材料構成也無所謂。 24 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 493059 A7 B7 五、發明説明（ 22 元件標號對照 1、 2…流路板 41、 42… 出 σ ‘ 管 頭 3"· 間隔壁板 51、 52"· 流 路板 4 · · * 終端板 53··· 間隔 壁 板 5··· 氣缸 54··· 終端 板 6、 7…流路 56 > 57···: 苑路 8、 1 0…入口管 72··· 分隔 部 9、 11…出口管 58 > 60"· 入 π 管 12a 、12b…貫穿孔 59 > 61… 出 a 管 13a 、1 3b…貫穿孔 60··， .入口 管 14a 、14b…貫穿孔 61… •出口 管 15a 、15b…貫穿孔 62a 、62b … 貫 穿 孔 16、 1 8…入口頭 63a 、63b … 貫 穿 孔 17、 19···出口頭 64a 、64b ... 貫 穿 孔 20、 21…折返部 65a 、65b … 貫 穿 孔 11、 23…管頭部 66 ^ 6 8… 入 a 頭 24·· •直行部 6Ί、 6 9··· 出 口 頭 3 1·· •流路板 70、 71… 折 返 部 32 > 3 3…終端板 72··· 分隔 部 34、 3 5…流路 73a 、73b … 貫 穿 孔 36、 3 8…入口管 73c 、73d … 貫 穿 孔 (請先閲讀背面之注意事項再填寫本頁) 73e···貫穿孔 8卜•流路板 37、39···出口管 40、43···入口管頭部 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 25 493059 A7 B7 五、發明説明（23 ) 82···流路板 83…間隔壁板 84、85…終端板 86、87···流路 88…流體A之入口管 89…流體A之出口管 90···流體B之入口管 9卜·流體B之出口管 92a、92b…貫穿孔 93a、93b…貫穿孔 94a、94b···貫穿孑L 95a、95b…貫穿孔 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS〉A4規格（210X297公釐） 26493059 A7 B7 V. Description of the invention (1) "Technical scope" The present invention relates to a plate heat exchanger, which is a heat exchanger using a liquid as a fluid and a gas-liquid two-phase fluid that changes with the phase state. "Technical background" Plate heat exchangers are generally heat exchangers that form a closed flow path between stacked plates and perform fluid flow through the flow path. This heat exchanger has a large surface area per unit volume and is miniaturized, and because it uses less material, it is a substitute for the conventional shell-and-tube heat exchanger. A general plate heat exchanger uses a gasket plate to seal the outer periphery of the plate and the header hole, and each plate is mechanically fixed. It has the characteristics of decomposable washing, but on the contrary it has the disadvantage of limiting the range of temperature and pressure of the fluid used. For such a general plate heat exchanger, there has been proposed a plate heat exchanger having a new structure as disclosed in JP-A-63-137793. This plate heat exchanger is a structure in which a metal flat plate is punched to form a flow path and stacked and stacked, and a flow path through which a fluid flows is formed within the thickness of the flat plate. In addition to the same features as the conventional plate heat exchanger, the metal plates forming the flow path are completely joined, so that the temperature and pressure range of the fluid used will not be greatly limited. In Fig. 8, a part of the plate heat exchanger is disassembled and shown to enable the internal structure of the plate heat exchanger to be explained. In this plate heat exchanger, a flow path plate 81 formed with a flow path 86 penetrating the plate surface and a flow path plate 82 also formed with a flow path 87 are stacked by a plurality of partition wall plates 83 and stacked. Arranged between a pair of terminal plates 84 and 85. In addition to the flow path 86, the flow path plate 81 is provided with through holes 92a and 92b 4 (Please read the precautions on the back before filling in this page) This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 B7 V. Description of the invention (2), in addition to the flow path 87, there are through holes 95a and 95b on the flow path plate 82, and through holes 93a, 93b, and 94a are provided on the partition wall plate 83, respectively. , 94b. In addition, an inlet pipe 88 and an outlet pipe 89 of the heat exchange fluid A, and an inlet pipe 90 and an outlet pipe 91 of the heat exchange fluid B are erected on the terminal plate 84, respectively. Here, the flow path 86 and the flow path 87 are shown in FIG. 8, and the flow in the flow path is orthogonal to each other through the partition wall 83. The heat exchange fluid A flows into the heat exchanger through an inlet pipe 88 provided at the plate end 84, passes through the through holes 94a and 95a, and enters the flow path 86 formed in the flow path plate 81. The heat exchange fluid A flowing through the flow path 86 passes through the through holes 95b and 94b, and flows out of the heat exchanger through the outlet pipe 89. On the other hand, the heat exchange fluid B flows into the inside of the heat exchanger through an inlet pipe 90 provided at the plate end 84, and passes through the through holes 92a and 93a, and enters a flow path 87 formed in the flow path plate 82. The heat exchange fluid B flowing through the flow path 87 passes through the through holes 93b and 92b, and flows out of the heat exchanger through the outlet pipe 91. At this time, the heat exchange fluid A flowing in the flow path 86 is caused to exchange heat with the heat exchange fluid B flowing in the flow path 87 by two partition wall plates 83 positioned above and below it. However, in such a conventional plate heat exchanger, the following problems have arisen. '' First, the heat transfer forms of the heat exchange fluids A and B are in the form of positive AC, which is worse than the general convective heat transfer performance. Therefore, in order to obtain the predetermined heat transfer characteristics, it is better than the convection type heat exchanger. A larger heat conduction area is also required, which leads to an increase in the size of the heat exchanger. In addition, for example, in order to improve the heat conduction characteristics of the heat exchange fluid A side of the heat exchanger, the paper size of the flow path 86 is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling in this (Page) • Order—: Line 丨 493059 A7 B7 V. Description of the invention (3) When the heat conduction area is increased by increasing the length, the number of flow paths of the relative flow path 87 by the partition wall plate 83 needs to be increased, or enlarged The width of the flow path. In any case, the cross-sectional area of the flow path 87 is also increased, so that the flow rate of the heat exchange fluid B is reduced, and there is a problem that the heat conduction characteristics of the heat exchange fluid B are deteriorated. In addition, as a method of joining the plates of such a plate heat exchanger, methods such as diffusion bonding, adhesion, and welding are used. On the diffusion bonding, the stacked plates are pressurized in a vacuum and heated to a temperature slightly lower than the melting point of the plate material. Since the materials are joined by diffusion between the contact surfaces of the plates, a very large pressure load is required during welding. Therefore, large-scale pressurization equipment is required, and mass productivity is lacking, making it difficult to reduce costs. In addition, the adhesive is applied by applying an adhesive such as an epoxy resin to the joint surface of each plate, and heat-hardening the stacked plates. Due to the lack of reliability of the pressure resistance and heat resistance of the joint by adhesion, the operating pressure and temperature of the heat exchanger are significantly limited. On the other hand, welding is to apply the welding material lower than the melting point of the base material to the joint surface of each plate, and heat the stacked plates to above the melting point of the welding material. Then, the molten solder material is diffused in the plates, and the plates are joined. As a method of joining the plates, the pressure resistance of the manufacturing equipment and the heat exchanger is taken into consideration, and a welding method is generally used. However, if the adhesion between the plates is poor during the welding process, a gap may be generated at the joint portion of the plates, which may easily cause leakage of the heat exchange fluid. For example, the flow path and through hole of the flow path plate and the partition wall plate are usually formed by stamping. This paper size applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) 6. . . . . . . ". . . . . , ... . . . . ----- (Please read the notes on the back before filling this page). Tr-493059 A7 B7 V. Description of the invention (4) Therefore, a burr will be formed on the processing part corresponding to the punching direction of the punching process. However, when the boards are stacked, if the burrs are crimped together, the adhesion between the boards will be significantly damaged, and it will easily become a cause of poor welding. The present inventor is an inventor of the conventional technology in view of such problems, and provides an improved performance that can be miniaturized and reduced in cost by heat exchange between two fluids in the form of convection. A plate heat exchanger and a method for manufacturing the same are used for the purpose. Summary of the Invention In order to achieve the above-mentioned object, the plate heat exchanger of the present invention includes a plurality of plates forming two flow paths that are not connected to each other between a pair of terminal plates, and constitutes a flow that flows between the two flow paths. The fluid makes relative flow. According to this structure, since the two fluids are heat-exchanged in the form of a convection having high thermal conductivity, it is possible to realize high performance and miniaturization of the plate heat exchanger. In addition, the plurality of plates are configured such that a first flow path plate formed with a first flow path passing through the plate surface and a second flow path plate formed with a second flow path passing through the plate surface are interposed therebetween. The partition wall is stacked with a plurality of pieces alternately, and the first flow path and the second flow path are arranged at opposite positions by the partition wall sheet, and made m to allow the first fluid flowing in the first flow path and The second fluid flowing in the second flow path * makes a relative flow. In the above structure, if the thickness of the partition wall plate is made at least thicker than one of the first and second flow path plates, since the mechanical strength as a pressure vessel is increased, the reliability of the plate heat exchanger can be improved. Sex. Alternatively, the above-mentioned plural boards can be constructed so that they are formed through the board surface. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back before filling this page). Order —: line 493059 A7 ___B7_ V. Description of the invention (5) (Please read the precautions on the back before filling this page) The flow path plates of the first and second flow paths are stacked with multiple pieces, and the first The second flow path and the second flow path are disposed adjacent to each other and in parallel, so that the first fluid flowing in the first flow path and the second fluid flowing in the second flow path can flow relatively. According to this configuration, the first and second fluids are heat-exchanged in the form of convection, and since the structure of the plate is simplified, the performance, size, and manufacturing cost of the plate heat exchanger can be reduced. . In addition, if the first and second flow path plates have the same shape structure, the flow path plates can be shared, and the plate structure can be significantly simplified. Therefore, the manufacturing cost of the plate heat exchanger can be further reduced. In addition, by forming a plurality of plates by press processing, and stacking the plurality of plates so that the punching direction of the press processing is consistent, it is possible to avoid the occurrence of the phase of the burr surface of each plate due to the press processing. Crimp. As a result, the adhesion between the plates is improved, and the yield of the plate heat exchanger is improved. A spacer may be provided on at least one of the first and second flow paths to partition the flow paths in a wide direction. This structure makes the width of the flow path smaller and the cross-sectional area of the flow path smaller, so that the speed of the fluid flowing in the flow path can be increased, and the heat conduction characteristics can be improved. In addition, by providing spacers between the flow paths to increase the mechanical strength of the pressure vessel, the performance and reliability of the plate heat exchanger can be further improved. In addition, if the first and second flow paths are structured with a U-shaped fold-back portion, the length of the heat exchanger in the vertical or horizontal direction can be made very shorter than the length of the opposite flow path, and it can be realized. The plate heat exchanger is further miniaturized. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 B7 V. Description of the invention (6) In addition, the width of at least one of the first and second flow paths is made the same as the length of the flow path If the lengths in the shape direction are almost the same, each fluid flows smoothly in the flow path, and the deterioration of the heat transfer performance caused by the retention of the fluid disappears, so that the plate heat exchanger can be further improved in performance. In addition, it is also possible to provide through holes in the same flow path between the first and second flow paths adjacent to each other, and to communicate the through holes of the plurality of flow path plates. According to this structure, since the movement of heat between the same fluids on the flow paths adjacent to each other is completely blocked, the plate heat exchanger can be further improved in performance. If a plurality of flow path plates are formed of a resin material, the weight of the plate heat exchanger can be reduced. In this case, if the partition wall plate to be a heat conducting surface is formed of a metal material or a resin material such as graphite having a low thermal conductivity, the performance of the heat exchanger may not be deteriorated. Furthermore, the method for manufacturing a plate heat exchanger according to the present invention is characterized by: a process of forming a plurality of plates by press processing; and a process of applying electroplating treatment to at least a part of the plurality of plates. A process of stacking a plurality of plates to make the punching direction of the punching process uniform; and a process of heating the plurality of plates to be stacked in a dense state. According to this method, when the plates are stacked, it is possible to avoid the crimping of the burr surfaces of the plates caused by the stamping process, so that the adhesion between the plates is good, and the relationship between the plates is good. The use of galvanized welded joints is used to ensure the exact joints, so the good paper size of the plate heat exchanger can be improved. The Chinese national standard (CNS) Α4 specification (210X297 mm) 9 (Please read the back Note for this page, please fill in this page), τ. Line 493059 A7 B7 V. Description of the invention (7) Rate and reliability. In addition, instead of the above-mentioned electroplating process, a process of applying a paste-like welding material to the surface on the upstream side in the punching direction of the punching process of a plurality of plates may be provided. At this time, since a paste-like solder material which is lower than the cost of electroplating is used, the manufacturing cost of the plate heat exchanger can be reduced. In addition, the surface on the upstream side of the punching direction of each plate is punched, that is, the surface that does not protrude from the burr is painted, so the burr can reduce the damage to the stencil and other fixtures used when applying solder. , And can improve the reliability of the plate heat exchanger. Brief Description of the Drawings Fig. 1 is an exploded perspective view of a plate heat exchanger according to a first embodiment of the present invention. Fig. 2 is a plan view showing an example of a modification of a flow path plate provided in the plate shown in Fig. 1; Fig. 3 is an exploded perspective view of a plate heat exchanger according to a second embodiment of the present invention. Fig. 4 is an exploded perspective view of a plate heat exchanger according to a third embodiment of the present invention. Fig. 5 is an exploded perspective view of a plate heat exchanger according to a fourth embodiment of the present invention. Fig. 6 is a sectional view taken along line VI-VI of Fig. 1 and shows a method for manufacturing a plate heat exchanger. Fig. 7 is a sectional view taken along line VI-VI of Fig. 1 and shows another method of manufacturing a plate heat exchanger. 10 (Please read the precautions on the back before filling out this page) This paper size applies Chinese National Standard (CNS) A4 (210X297 mm) 493059 A7 B7 V. Description of the invention (8) Figure 8 is the conventional plate heat exchange An exploded perspective view of the device. In order to implement the best mode of the present invention, the embodiment of the present invention will be described with reference to the drawings. (First Embodiment) FIG. 1 shows the first embodiment of the present invention. The structure of the plate heat exchanger and the internal structure of the plate heat exchanger can be understood. The plate heat exchanger has a structure in which a plurality of plates forming a flow path passing through the plate surface are arranged between a pair of terminal plates. And the plural flow paths which are not connected to each other are arranged in the planes of different plates of the plural plates, and at the same time constitute a flower which makes the fluid flowing in the plural flow paths convective. Specifically, as shown in FIG. A first flow path plate formed with the flow path 6 of the heat exchange fluid A passing through the plate surface and a second flow path plate formed with the flow path 7 of the heat exchange fluid B passing through the plate surface Partition wall 3 State, and multiple pieces are stacked interactively, so that it becomes a constituent arranged between a pair of terminal plates 4 and 5. At this time, the flow path 6 and the flow path 7 are arranged opposite each other by the partition wall 3 Position, so that the heat exchange fluid A flowing in the flow path 6 and the heat exchange fluid B flowing in the flow path 7 form a relative flow. In addition to the flow path 6, the flow path plate 1 is provided with through holes 12 a and 12b, and through-holes 15a and 15b are provided on the flow path plate 2 in addition to the flow path 7, and through-holes 13a, 13b, 14a, and 14b are provided on the partition wall plate 3. In addition, the heat exchange fluid A The entrance 16 is based on the use of the partition wall 3 to adapt the size of the paper to the Chinese National Standard (CNS) A4 (210X297 mm) 11 ------------------ --- install. . . . . . . . . . . . . . . . . . 、 玎 ------------------ line (please read the precautions on the back before filling this page) 493059 A7 B7 V. Description of the invention (9) Circuit board 1 and 2 do During stacking, a space is formed by the flow path 6 and the through holes 14a and 15a provided in each plate. Similarly, the outlet head 17 of the heat exchange fluid A and the inlet head 18 and the outlet head 19 of the heat exchange fluid B are configured. In addition, an inlet pipe 8 and an outlet pipe 9 of the heat exchange fluid A, and an inlet pipe 10 and an outlet pipe 11 of the heat exchange fluid B are erected on the terminal plate 4, respectively. The inlet pipe 8 and the outlet pipe 9 are connected to the inlet head 16 and the outlet head 17 of the heat exchange fluid A, respectively. Similarly, the inlet pipe 10 and the outlet pipe 11 are also connected to the inlet head 18 and the outlet head 19 of the heat exchange fluid B, respectively. The heat exchange fluid A is an arrow shown by a solid line in the figure, flows into the inlet head 16 through the inlet pipe 8 provided on the terminal plate, and enters the flow channel 6 formed on the flow channel plate 1, and flows through the flow channel. The heat exchange fluid A of 6 is concentrated on the outlet head 17 and flows out through the outlet pipe 9. On the other hand, the heat exchange fluid B is an arrow shown by a dotted line in the figure, flows into the inlet head 18 through the inlet pipe 10 provided on the terminal plate 4, and enters the flow path 7 formed on the flow path plate 2. The heat exchange fluid B flowing in the flow path 7 is concentrated on the outlet head 19 and flows out from the outlet pipe 11. At this time, the heat exchange fluid A flowing in the flow path is heat-exchanged with the heat exchange fluid B flowing in the flow path 7 through the two partition walls 3 located at the upper and lower positions. As shown in Fig. 1, since the flow path 6 and the flow path 7 are all disposed at opposite positions except for the vicinity of the tube heads by the partition wall plate 3, the heat exchange fluids A and B can be exchanged in a convective form. In general, the convection system is more direct-flow type or parallel-flow type than the heat conduction type of plate heat exchangers, which is a heat conduction type with high heat exchange characteristics. Therefore, due to the above structure, a heat exchange fluid A and B can be provided for convection 12 (please read the precautions on the back before filling this page) This paper size applies Chinese National Standard (CNS) A4 Specifications (210X297 mm) 493059 A7 B7 > V. Description of the invention (1G) The specific structure makes it possible to achieve high performance and miniaturization of plate heat exchangers. In the above configuration, the thicknesses of the flow path plates 1, 2 and the partition plate 3 may be the same, but they may be made thicker than the flow path plates 1 or 2. As detailed, on a plate heat exchanger that penetrates the plate surface to form a flow path, for example, the thickness of the flow path plate 1 is equivalent to the height of the flow path 6, and _ determines the heat exchange flowing in the flow path 6. An important factor in the velocity of fluid A. On the other hand, the thickness of the partition wall 3, which becomes the heat transfer surface when the heat exchange fluids A and B perform heat exchange, determines the thermal resistance during heat exchange, and also becomes an important factor that determines the pressure resistance performance of the heat exchanger. When designing a plate heat exchanger under pressure, the operating pressures of the heat exchange fluids A and B, the mechanical properties of the plate material, and the shape (width, thickness) of the partition wall forming the flow path part are all design parameters. Therefore, the thickness of the partition wall 3 is made at least thicker than the flow path plate 1 or 2, and the reliability of the plate heat exchanger can be improved by increasing the mechanical strength as a pressure vessel. W Alternatively, the flow path plates 1 and 2 may be formed in the same shape. That is, the flow path plate 2 may be rotated 180 degrees in the horizontal plane and stacked by the partition wall plate 3 and the flow path plate 1 having the same shape. If the flow path plate 2 is rotated 180 degrees in the horizontal plane, the flow path 7 and the through holes 15a and 15b of the flow path plate 2 will be completely consistent with the flow path 6 and the through holes 12b and 12a of the flow path Λ plate 1. Therefore, by using the flow path plates 1 and 2 of the same shape, the flow path plates 1 and 2 can be shared, so that the plate structure is significantly simplified, and the manufacturing cost of the plate heat exchanger can be reduced. It is best to make the flow path of the flow path plates 1 and 2, the partition plate 3 and the through hole and the periphery. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 public love) 13 binding line. (Please read the notes on the back before filling this page) 493059 A7 _B7_ V. Description of the invention (11) The surrounding shape is formed by punching, and the punching direction of the punching is made consistent. Generally, if a through-hole is formed on a plate by punching, a protruding burr is formed in the contour portion of the through-hole, and the burr is formed on the plate surface on the downstream side of the punching direction of the punching. When the boards are stacked, if the burrs on the two sides are crimped together, the adhesion between the boards will be damaged, which will cause a poor joint. Therefore, if the plates are stacked in the same direction as the punching direction of the punching process, the crimping of the two burrs can be avoided, and the adhesion between the plates can be improved to improve the manufacturing of the plate heat exchanger. Yield. In addition, as shown in Fig. 1, the flow paths 6 and 7 have folded-back portions 20 and 21 each having a substantially U-shape. By forming a U-shaped turn-back portion on the flow path, the plate can not only have a straight flow path, but also can form a rectangular or vortex-shaped flow path. This means that the flow path with a very long convection path can shorten the length of the heat exchanger in the vertical or horizontal direction, and further reduce the size of the plate heat exchanger. Moreover, as shown in Figure 2, The width of at least one of the flow paths 6 and 7 can also be made to be slightly equal to its longitudinal direction (the second drawing shows the flow path 6 in particular). The flow path 6 is formed by The inlet and outlet pipe heads are formed by pipe heads 22 and 23, and a straight portion 24 and a turn-back portion 20 communicating with the pipe heads. The flow path width T1 of the straight section 24 and the flow tube width T2 of the return section 20 are set to be approximately the same. And for the flow path 14 of the heat exchange fluid B (please read the precautions on the back before filling this page) This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 B7 V. Description of the invention (12, It also has the same shape by using spacers. When the width of the flow path is not slightly at the same time as the length direction of the flow path, it is considered to be “especially” if the return portion of the flow path becomes a rectangle, there will be a corner portion on the flow path. It exists, and when the heat exchange fluid passes through the chamfered portion, it will hinder the smooth flow of the fluid near the chamfered portion and easily cause the retention of the fluid. The stagnant flow of the fluid will hinder the heat exchange between the flow paths through the partition plate It also becomes the main factor that causes the overall performance of the heat exchanger. If the width of the flow path 6 and the length direction of the flow path, especially if the straight portion 24 and the turn-back portion 20 are approximately the same, the heat exchange fluid A will not It stays in the turn-back portion 20 of the flow path 6 and can flow smoothly, so that the plate heat exchanger can achieve higher performance. The same applies to the flow path 7 opposite to the flow path 6. (Second Embodiment) 3 pictures A plate heat exchanger according to a second embodiment of the present invention is shown. The plate heat exchanger has a structure in which a plurality of plates forming a flow path passing through a plate surface are arranged between a pair of terminal plates, and the plate heat exchangers are disposed between the plurality of plates. A plurality of flow paths which are not connected to each other are provided in each plane, and at the same time, the fluid flowing in the plurality of flow paths becomes a relative flow. Specifically, as shown in FIG. 3, a plurality of flow paths 34 passing through the plate surface will be formed. The flow path plates 31 and 35 are stacked in a plurality of pieces, and are configured to be arranged between a pair of terminal plates 32 and 33. At this time, the flow paths 34 and 35 are arranged in parallel positions adjacent to each other, and the flow is The composition of the relative flow of the heat exchange fluid A in the flow path 34 and the heat exchange fluid B in the flow path 35. (Please read the precautions on the back before filling this page), τ ·: line_ This paper size is applicable to China Standard (CNS) A4 specification (210X297 mm) 15 493059 A7 __B7_ V. Description of the invention (13) On the flow path plate 31, at the two ends of the flow path 34 in the longitudinal direction, respectively, the inlet pipe heads connected to it are provided. Section 40 and outlet pipe head 41, and in the flow path 3 An inlet pipe head 42 and an outlet pipe head 43 communicating with each other are provided at both ends in the longitudinal direction of 5. In addition, on the terminal plate 32, an inlet pipe 36 and an outlet pipe 37 and heat exchange of the heat exchange fluid A are erected. The inlet pipe 38 and the outlet pipe 39 of the fluid B. The inlet pipe 36 and the outlet pipe 37 are respectively connected to the inlet pipe head 40 and the outlet pipe head 41 of the heat exchange fluid A. The same is true for the inlet pipe 38 and the outlet pipe 39. The inlet pipe head 42 and the outlet pipe head 43 communicate with the heat exchange fluid B, respectively. The heat exchange fluid A flows into the inlet pipe head 40 from the inlet pipe 36 provided on the terminal plate 32 and enters the flow path. The flow path 34 of the plate 31 concentrates the heat exchange fluid A flowing in the flow path 34 on the outlet pipe head 41 and flows out through the outlet pipe 37. On the other hand, the heat exchange fluid B flows from the inlet pipe 38 provided in the end plate 32 to the inlet pipe head 42 and similarly enters the flow path 35 formed in the flow path plate 31 and flows through the flow path 35. The heat exchange fluid B is concentrated on the outlet pipe head 43 and flows out to the outside through the outlet pipe 39. At this time, the heat exchange fluid A flowing in the flow path 34 is by the spacer 44 located between the flow paths 34 and 35. Heat exchange is performed with the heat exchange fluid B flowing through the flow path 35. As shown in Fig. 3, since the flow paths 34 and 35 are arranged at opposite positions except for the vicinity of the pipe head by the spacers, the heat exchange fluid A and the convective form are heat-exchanged. In addition, except for the partition shown in the first figure, the flow path plate 31 can be configured only, and the flow path plate 31 can be made into the same shape, so 16 (please read the precautions on the back first) (Fill in this page again) This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297 mm) 493059 A7 ___B7_ V. Description of the invention (14) The structure of the board is simplified, and high performance and small size of the plate heat exchanger can be realized And reduce manufacturing costs. In addition, as in the first embodiment, if the flow path plate 31 is formed by press working and the punching directions of the press working are made uniform, the adhesion between the plates can be improved. Furthermore, similar to the first embodiment, the plate-type heat exchanger can be made smaller by providing the U-shaped folded-back portions in the flow paths 34 and 35. In addition, by setting the width of at least one of the flow paths 34 and 35 to be slightly the same as the length in the longitudinal direction of the flow path, the plate heat exchanger can be further improved in performance. (Third Embodiment) Fig. 4 shows a plate heat exchanger according to a third embodiment of the present invention. The plate heat exchanger is a flow path plate 51 formed with a flow path 56 of a heat exchange fluid A passing through the plate surface, and a flow path formed with a flow path 57 of a heat exchange fluid B passing through the plate surface. The state of the plate 52 is separated by a partition wall plate 53, and a plurality of pieces are interactively stacked, and become a structure arranged between the terminal plates 54, 55, and moreover, A partition 72 is provided which partitions the flow path 56 of the flow path plate 51 in the wide direction. 1 In addition to the flow path 56, through holes 62 a and 62 b are provided on the flow path plate 51, and through holes 65 a and 65 b are provided on the flow path plate 52 in addition to the flow path 57, and on the partition wall plate 53. There are also provided through holes 63a, 63b, 64a, 64b, respectively. In addition, when the inlet head 66 of the heat exchange fluid A is stacked by the partition wall plate 53 between the flow path plates 51 and 52, the flow path 56 provided in each plate is adapted to the Chinese standard (CNS) ) Α4 size (210X297 mm) 17. . . . . . . . . . . . . . . . . . . . . . . Install ------------------, ΤΓ. . . . . . . . . . . . . . . . . . line. (Please read the precautions on the back before filling this page) 493059 A7 B7 V. Description of the invention (15) The space formed by the through holes 64a and 65a. The exit head 67 and the exit head 69 of the heat exchange fluid A and the exit head 69 and 69 of the heat exchange fluid B are configured in the same manner. In addition, an inlet pipe 58 and an outlet pipe of the heat exchange fluid A are erected on the terminal plate 54 respectively. 59, and the inlet pipe 60 and the outlet pipe 61 of the heat exchange fluid B. The inlet pipe 58 and the outlet pipe 59 are connected to the inlet head 66 and the outlet head 67 of the heat exchange fluid A, respectively. Similarly, the inlet pipe 60 and the outlet pipe 61 are also connected to the inlet head 68 and the outlet head 69 of the heat exchange fluid B, respectively. The heat exchange fluid A flows into the inlet head 66 through the inlet pipe 58 provided in the end plate 54 and enters the flow path 56 formed in the flow path plate 51. The heat exchange fluid A system flowing in the flow path 56 is concentrated. At the exit 67, and take the oath 59 to the outside. On the other hand, the heat exchange fluid B flows into the inlet head 68 through the inlet pipe 60 provided on the terminal plate 54, enters the flow path 57 formed in the flow path plate 52, and flows through the flow path 57. The B series is concentrated on the outlet head 69 and flows out from the outlet pipe 61. At this time, the heat exchange fluid A flowing in the flow path 56 is heat-exchanged with the heat exchange fluid B flowing in the flow path 57 through the two partition walls 53 positioned above and below it. As shown in FIG. 4, by providing a partition 72 that divides the flow path 56 into two parts in the width direction, the flow path 56 can be made smaller in overall width and cross-sectional area, so that the flow path 56 can flow. The heat exchange fluid A becomes faster. And, in general, if the flow velocity of the fluid is increased, its heat conduction characteristics will be improved. In addition, by providing the spacer 72 between the flow paths, the joint area between the flow path plate 1 and the partition wall plate 3 is enlarged, and the mechanical strength of the pressure vessel as a heat exchanger is increased. 18 (Please read the precautions on the back before filling this page) This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 B7 V. Description of the invention (16) Therefore, if the composition described above, It is possible to achieve higher performance and reliability of the plate heat exchanger. In addition, the plate heat exchanger of the structure shown in FIG. 3 is also provided in a flow path at least one of the flow paths 34 and 35, and a partition 72 for partitioning the flow path in a wide direction may be provided. Get the same effect. (Fourth Embodiment) Fig. 5 shows a plate heat exchanger according to a fourth embodiment of the present invention. This plate heat exchanger has the same structure as that shown in FIG. 1, and a flow path plate 51 formed with a flow path 56 of heat exchange fluid A passing through the plate surface is exchanged with a heat path formed with the plate surface. The flow path plate 52 of the flow path 57 of the fluid B is in a state of being separated by a partition wall plate 53 and is stacked alternately with a plurality of pieces, and is configured to be disposed between a pair of end plates 54 and 55, and The flow paths 56 and 57 are those having slightly U-shaped turning portions 70 and 71, respectively. In addition, a through-hole 73a is provided between the flow paths 56 (upstream and downflow sides of the folded-back portion 70) located adjacent to each other on the flow path plate 51, and the partition wall plate 53 and the flow path plate are provided at the same time. 52 is also provided with through-holes 73b and 73c in communication with the through-holes 73a. In addition, on the terminal plates 54 and 55, through-holes 73d and 1 73e are also provided opposite to the through-holes 73a, 73b, and 73c, and a through-hole 62a is provided on the flow path plate 51 in addition to the flow path 56. And 62b, and through-holes 65a and 65b are provided in the flow path plate 52 in addition to the flow path 57. In addition, through-holes 63a, 63b, 64a, and 64b are provided in the partition wall plate 53, respectively. In addition, the inlet head 66 of the heat exchange fluid A is to use the flow path plate 51 and the paper size to apply the Chinese National Standard (CNS) A4 specification (210X297 mm) 19 (Please read the precautions on the back before filling this page). Order 丨: Line 493059 A7 B7 V. Description of the invention (17) When the wall plates 53 are stacked between each other, the space formed by the flow paths 56 and through holes 64a and 65a provided in each plate. The exit head 67 and the exit head 69 of the heat exchange fluid A and the exit head 69 and 69 of the heat exchange fluid B are configured in the same manner. In addition, an inlet pipe 58 and an outlet pipe of the heat exchange fluid A are erected on the terminal plate 54 respectively. 59, and the inlet pipe 60 and the outlet pipe 61 of the heat exchange fluid B. The inlet pipe 58 and the outlet pipe 59 are connected to the inlet head 66 and the outlet head 67 of the heat exchange fluid A, respectively. Similarly, the inlet pipe 60 and the outlet pipe 61 are also connected to the inlet head 68 and the outlet head 69 of the heat exchange fluid B, respectively. The heat exchange fluid A flows into the inlet head 66 through the inlet pipe 58 provided in the end plate 54 and enters the flow path 56 formed in the flow path plate 51. The heat exchange fluid A system flowing in the flow path 56 is concentrated. At the outlet head 67, it flows out through the outlet pipe 59. On the other hand, the heat exchange fluid B flows into the inlet head 68 through the inlet pipe 60 provided on the terminal plate 54, enters the flow path 57 formed in the flow path plate 52, and flows through the flow path 57. The B series is concentrated on the outlet head 69 and flows out from the outlet pipe 61. At this time, the heat exchange fluid A flowing in the flow path 56 is heat-exchanged with the heat exchange fluid B flowing in the flow path 57 through the two partition walls 53 positioned above and below it. As shown in FIG. 5, when the flow path 56 has a slightly U-shaped folded-back portion 70, the heat exchange fluid A performs heat exchange with the heat exchange fluid B through the partition wall 53, and can also exchange heat with the flowing fluid. The heat exchange fluid A of the adjacent portion of the path 56 performs heat exchange. However, according to this embodiment, since the through-holes 73a are formed between the flow paths 56 located adjacent to each other, the heat movement between the same flow paths in this part is completely blocked, and the convection path 57 side It's the same. 20 (Please read the precautions on the back before filling out this page) This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 B7 V. Description of the invention (18) Therefore, due to the above, Since the heat exchange between the same flow paths of the heat exchange fluid is completely blocked, the plate heat exchanger can be further improved in performance. In addition, in the plate heat exchanger having the structure shown in Fig. 3, the same effect can be obtained if a through-hole is provided between the same flow paths adjacent to each other in the flow paths 34 or 35. (Fifth Embodiment) Next, a method for manufacturing a plate-type heat exchanger described in Embodiments 1 to 4 will be specifically described. In this embodiment, in particular, each plate is assumed to be composed entirely of metallic materials such as stainless steel, copper, and aluminum having good thermal conductivity. Fig. 6 is a cross-sectional view taken along the line VI-VI of the plate heat exchanger shown in Fig. 1, so that the installation state of the welding material during stacking can be easily understood and displayed. Between the upper and lower end plates 4 and 5, the flow path plates 1 and 2 showing the plating layers of the welding materials 26 and 27 are arranged in their entirety, and the wall plates 3 are sequentially stacked through the partition wall plate 3. First, the processing of the flow path plates 1 and 2 and the flow path and the through hole to the partition wall plate 3 is performed by a press process which is easy for mass production. Next, the flow path plates 1 and 2 in which the flow paths and through holes are formed are plated on the surface 1 thereof. In addition, when the material of each plate is stainless steel with good corrosion resistance, for example, electroplating may be performed with nickel and rhenium as main components, and the electroplating process is usually performed by an electroless electroslag method. In addition, if the material of each plate is copper with high thermal conductivity, for example, electroplating with silver as the main component is "quoting ΐΤρ 〇 This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 21. . . . . . . . . . . . . . . . . . --Install ------------------, 玎 ------------------ line · (Please read the precautions on the back first (Fill in this page again) 493059 A7 B7 V. Description of the invention (19) Moreover, all the plates are stacked in the direction indicated by the arrow in the figure to make the punching direction of the stamping process consistent. Finally, the stacked plates are heated in a tight state and the electroplated layers are dissolved to form a body. At this time, because the pressed plates are stacked in such a way that their burrs are aligned uniformly, it is possible to avoid the deterioration of the adhesion due to the burrs being pressed against each other, and at the same time, the plates are welded by using electroplated welding joints. Guarantees secure engagement. In addition, the plate heat exchanger of the structure shown in FIG. 3 is as follows: a process of forming the flow path plate 31 by press processing; a process of subjecting the flow path plate 31 to electroplating on both sides thereof; A process for stacking the flow path plates 31 in which the punching directions of the aforementioned punching processes are consistent; and a process of heating the broken flow path plates 31 in a close state, a manufacturing method constituted, The same effect can be obtained by manufacturing. (Sixth Embodiment) Fig. 7 shows another method of manufacturing the plate heat exchanger described in the first to fourth embodiments. Between the upper and lower end plates 4 and 5, only the upper surface is coated with a welding material. The flow path plates 1 and 2 are sequentially stacked through a partition wall plate 3 which is also coated with welding material only on the upper surface. First, the processing of the flow path plates 1 and 2 and the flow path and the through hole to the partition wall plate 3 is performed by a press process which is easy for mass production. Next, each flow path plate is coated with a welding material, and as the welding material, a paste-shaped welding material prepared by mixing an adhesive with a powdery welding material is used. The application of the paste-like soldering material is performed, for example, by a printing method such as screen printing and using a screen surface for application. In this embodiment, the paper size is 22 (please read the precautions on the back before filling in this page) The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 _ B7 V. Description of the invention (2G ) The mesh surface of the opening part having the same shape as the flow path plate 1 is respectively coated with welding materials 28a and 28b on the flow path plate 1 and the partition wall plate 3 located below it. Here, the application of the welding material is to Apply the upper surface (refer to the top in the figure) on the upper side of the punching direction of the punching process of each plate. Similarly, a welding surface 29a and 29b · are applied to the upper surface of the flow path plate 2 and the partition wall plate 3 located below it, respectively, by a mesh surface having an opening portion having a shape substantially the same as that of the flow path plate 2. In addition, when the material of each plate is stainless steel, for example, it is better to use nickel, and when the material is copper, it is better to use silver or copper. Furthermore, all the plates are stacked in a direction indicated by an arrow in the drawing so that the punching direction of the punching process is uniform. At the end, the plates coated with the welding material and stacked are heated in a close state, so that the welding material components of the paste-like welding material are melted and integrated together. Therefore, by using a solder joint using a paste-like soldering material between the boards, a reliable joint is guaranteed. In addition, the use of paste welding materials that are cheaper than the cost of electroplating can reduce the manufacturing cost of the heat exchanger, and because the welding material is applied on the protruding surface of each board, the occurrence of burrs can be reduced. It is used to apply damage to the jigs and other fixtures that are used to coat the welding material, so as to improve the reliability during manufacturing. In addition, the plate heat exchanger having the structure shown in FIG. 3 is as follows: a process in which the flow path plate 31 is formed by punching; and an upward flow in the punching direction of the flow path plate 31 in the punching process. The process of applying paste-like welding material on the side surface; a. The punching direction of the aforementioned punching process of the flow path plate 31 is applicable to the national standard (CNS) A4 specification (210X297 mm) Τ 23-. . . . . . . . . . . . . . . . . . . . . . Installed. . . . . . . . . . . . . . . . . . Order. . . . . . . . . . . . . . . . . . . . . . . Line (Please read the precautions on the back before filling this page) 493059 A7 _B7_ V. Description of the invention (21) The project to be stacked to be consistent; and, the stacked flow path plate 31 should be in a tight state The same effect can be obtained by the manufacturing process constituted by the heating process. In addition, in the above-mentioned Embodiments 5 and 6, each plate is expected to be composed entirely of a metal material. However, according to the pressure resistance and heat resistance performance required for the heat exchanger, at least the flow path plate can be used than the Teflon plate. Resin material with small specific gravity. This reduces the weight of the plate heat exchanger. In this case, if the partition wall plate 3 is made of a metal material having a higher thermal conductivity than the resin material, the heat exchange performance of the heat exchange fluids A and B is not deteriorated, and the resin material is used as the flow path. In the case of a plate, as a method for manufacturing a plate heat exchanger, it is not a welding method as described above, but adhesion or dissolution of the resin itself can be used. Therefore, it is possible to provide a lighter and smaller heat exchanger while maintaining its heat transfer performance than a plate heat exchanger made entirely of metal materials. In addition, it does not matter if all the plates are made of a resin material according to the use environment of the heat exchanger. 24 (Please read the precautions on the back before filling this page) This paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 493059 A7 B7 V. Description of the invention (22 Component number comparison 1, 2 ... Flow path board 41, 42… Out σ 'Tube head 3 " · Partition wall plate 51, 52 " · Flow plate 4 ·· * End plate 53 ··· Partition wall plate 5 ·· Cylinder 54 ·· End plate 6, 7 … Flow path 56 > 57 ··: Yuan Road 8, 1 0… Inlet pipe 72 ··· Separator 9, 11, ... Outlet pipe 58 > 60 " Into π pipes 12a, 12b ... Through hole 59 > 61… Out a pipe 13a, 1 3b ... through hole 60 ... Inlet pipes 14a, 14b ... through holes 61 ... • outlet pipes 15a, 15b ... through holes 62a, 62b ... through holes 16, 1 8 ... inlet heads 63a, 63b ... through holes 17, 19 ... outlet heads 64a, 64b. . . Through-holes 20, 21 ... Turn-backs 65a, 65b ... Through-holes 11, 23 ... Tube head 66 ^ 6 8 ... Enter a head 24 ·· • Straight section 6Ί, 6 9 ··· Exit head 3 1 ·· • Flow Road plates 70, 71 ... Turn-back portions 32 > 3 3 ... End plates 72 ... Partitions 34, 3 5 ... Flow paths 73a, 73b ... Through holes 36, 3 8 ... Inlet pipes 73c, 73d ... Through holes (please (Read the precautions on the back before filling this page) 73e ··· through hole 8 卜 · flow plate 37, 39 ·· outlet pipe 40,43 ·· head of inlet pipe This paper applies Chinese national standards (CNS ) A4 specification (210X297 mm) 25 493059 A7 B7 V. Description of the invention (23) 82 ... Flow path plate 83 ... Partition wall plate 84, 85 ... End plate 86, 87 ... Flow path 88 ... Inlet pipe 89 ... Outlet pipe 90 of fluid A ... Inlet pipe of fluid B 9? Outlet pipes of fluid B 92a, 92b ... through holes 93a, 93b ... through holes 94a, 94b ... through through L 95a, 95b … Through holes (please read the precautions on the back before filling this page) This paper size applies to Chinese national standards (CNS> A4 specification (210X297 mm) ) 26