TW200940436A - Mixing device having blunt body and structure with concave and convex curved surfaces - Google Patents

Mixing device having blunt body and structure with concave and convex curved surfaces Download PDF

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Publication number
TW200940436A
TW200940436A TW97109287A TW97109287A TW200940436A TW 200940436 A TW200940436 A TW 200940436A TW 97109287 A TW97109287 A TW 97109287A TW 97109287 A TW97109287 A TW 97109287A TW 200940436 A TW200940436 A TW 200940436A
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TW
Taiwan
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bluff body
fluid
concave
mixing device
curved surface
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TW97109287A
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Chinese (zh)
Inventor
Jue-Kuan Wang
Yang-Sheng Huang
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Univ Nat Cheng Kung
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Priority to TW97109287A priority Critical patent/TW200940436A/en
Publication of TW200940436A publication Critical patent/TW200940436A/en

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Abstract

The present invention provides a mixing device having a blunt body and a structure with concave and convex curved surfaces, which includes mainly a fluid passageway. The inlet end of the fluid passageway is at least connected with at least two inlet flow paths. The outlet end can be connected with other devices. The interior of the fluid passageway is at least equipped with a blunt body. The fluid passageway is corresponded to the curved surface shape of the blunt body and forms the flow paths at the corresponding two side areas of the blunt body. A protruding and gradually expanding curved surface section is formed at the corresponding lower area of the blunt body so as to further form an expanding cavity room. The bottom end of the cavity room is formed with a gradually tapering curved surface section and connected with the outlet end of the fluid passageway. Therefore, the fluid will produce the swirl-shaped seam flow between the curved surfaces at two sides of the blunt body and the inner wall of the fluid passageway and produce tail flow in the cavity room as well. The swirl-shaped seam flow will interact with the tail flow to make the fluid mixed more homogeneously and to promote the mixing efficiency.

Description

200940436 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種具鈍體及凹凸曲面結構之混合裝 置’尤指一種在流體通道中設置純體結構,使流體在流體 . 通道中產生渦流狀縫隙流與迴流,並利用縫隙流與尾流之 . 交互作用達成混合不同流體之需求的混合裝置,俾具有增 加流體之接觸面積、提升混合效果,使流體混合更為均勻 ❹ 之優點及功效者。 【先前技術】 按,近年來在分析化學以及生命科學中,微型化已經 成為一種新的趨勢。微型化流體的控制與分析亦漸漸地在 各學門研究之間顯現出其重要性;微流體的應用包括:微 陣列、DNA排序、樣品的製備以及檢測、細胞分離以及债 測、甚至魏歧轉。在學術界以紅業界,微流 〇 體於上述的應用越來越受到矚目,其潛力與好處在於:小 里的樣品以及藥劑的消耗、能有效的減短檢測時間、降低 • 穌以及擁有欠輸Λ大量的制絲紐勢。 而在-般微流體系統中,除了微幫浦以外,微混合器 亦屬另-項重要的組成元件,在過去的研究中,微混合器 =重要性^直不被了解,ρ、有少數的研究團體進行相關研 究’直到最近幾年’才_有_微混合H的研究被提出, 5 200940436 且有越來越多以不同概念設計出來之微混合器相繼問世。 一般微混合器之設計主要係包含一微流道,提供兩種 不同流體進入微流道中充份混合。惟,經吾等發明人研究 後發現’習知微流道之設計往往會因為流道尺寸過小、壁 • 面摩擦力過大、雷諾數(Reynoldsnumber)過低等因數, - 導致不同流體在微流道中各自分流而無法充份混合(即兩 種流體一直保持層流狀態而無法形成紊流狀態),如此一 ❹ 來,即使經過後續與高速氣流產生交互作用之步驟,所產 生之嘴霧亦皆為各自不同成分之喷霧粒子而非混合狀態喷 霧粒子。 有鑑於此,為有效解決上述流體混合不均勻之問題, 吾等發明人特地針賴齡駿之流體猶加以研究及改 良’除改變流體通道之幾何形狀外,更嘗試在流體通道中設 ❹ 置純體結構,_由流贿道與賴產生歸概進而提升 流體之混合縣,並在_顿魏讀正後,遂有本發明 之微混合裝置問世。 【發明内容】 緣是^本翻之目的係為提供—種具賴及凹凸曲面 裝置’主要_特_之流體通道形狀搭配 純體結構之没置,使流體在、味 盘尾产,並利用m 中產生渦流狀之缝隙流 亚彻縫隙流及尾流二者之交互作用,進而產生良 6 200940436 好的混合效果者。 為達致以上目的,本發明人特別設計一種具鈍體及凹 凸曲面結構之混合骏置,該混合裝置包含一流體通道,該 流體通道之入口端至少連接二道以上之進口流道,出口端 ' %可連接至其他襄置;其特徵在於:該流體通道内部至少 • 6又一鈍體’該流體通道係配合鈍體曲面形狀而在對應鈍體 @侧區域形成流道’並在對應鈍體下方區域形成外凸漸擴 ❹ ㈣段’且進而形成—擴張狀腔室,該腔室底端形成漸縮 曲面段並連接流體通道之出口端,藉之,令流體在鈍體兩 側曲面與流體通道内壁之間產生縫隙流,且在腔室中產生 尾流’使渴流狀縫隙流與尾流產生交互作用,進而使流體 混合更為均勻並提升混合效率者。 如上述之具鈍體及凹凸曲面結構之混合裝置,其中, 該鈍體之兩側取面係可為凹形曲面或為凸形曲面者。 Ο 如上述之具純體及凹凸曲面結構之混合裝置,其中, 該流體通道於腔室底端之漸縮曲面段係可設第二鈍體,且 ’ 减流體通道亦對應第二鈍體而在第二純體下方區域形成 • 彳凸漸擴曲面段’進而形成第二腔室,該第二腔室底端亦 形成漸縮曲面段並連接流體通道之出口端者。 如上述之具鈍體及凹凸曲面結構之混合裝置,其中, a亥鈍體及第一鈍體之兩側取面係可皆為凹形曲面,或皆為 7 200940436 凸形曲面,或一者為凹形曲面,另者為凸形曲面者。 如上述之具鈍體及凹凸曲面結構之混合裝置,其中’ 該"IL體通道係可設置複數個第二鈍體,且該等第二鈍體係 呈並排狀設置者。 - 如上述之具鈍體及凹凸曲面結構之混合裝置,其中, . 該等腔室係可在對應鈍體底面位置處朝兩侧向外擴張,俾 擴張形成雙迴流區並使流體在此產生迴流作用者。 ^ 如上述之具鈍體及凹凸曲面結構之混合裝置,其中, 該等鈍體之底面係可呈開口狀,使鈍體具雙翼片結構,且 雙翼片之長度為等長者。 如上述之具鈍體及凹凸曲面結構之混合裝置,其中, 該等鈍體之底面係可呈開口狀,使鈍體具雙翼片結構,且 雙翼片之長度為一長一短者。 如上述之具鈍體及凹凸曲面結構之混合裝置,其中, ❹ 該流體通道之進口流道係可皆為直向進口流道,或皆為曲 面進口流道,或直向進口流道與曲面進口流道二者兼具者。 ' 【實施方式】 ' 關於本發明之混合裝置概可分為「單鈍體式混合裝置」 與「雙鈍體式混合裝置」兩種實施例,兹配合圖式於下文 進行詳細說明,供鈞上深入了解並認同本發明。 (一)單鈍體式混合裝置 8 200940436 請參閱第-圖所示,本發明之單鈍體式混合裝置主要 包含〆流體通道1’該流體通道!兩端分別為入口端^及 出口端12,其入口端11係可連接同軸直向進口流道13, 俾可供不同成分之流體A及流體b同時注入流體通道丄 - 卜而出口端12貝1J可連接至其他裹置(例如其他混合裝置 或喷嘴口,圖面未示出);其中: 該流體通道1内部設-純體2,該純體2之尖端係朝 ❹ 向流體通道1之入口端η,鈍體2之兩側曲面之形狀係可 如第〆圖(a)所示之凹形曲面,亦可如第一圖(b)所示 之凸形曲面;該流體通道1同時亦配合鈍體2之形狀及設 置而在對應鈍體2兩侧區域形成概呈漸縮狀之流道,該 流體通道1並在對應鈍體2下方區域形成外凸漸擴曲面段 15,且進而形成一擴張狀腔室151 ’該腔室151底端形成漸 縮曲面段16並連接流體通道1之出口端12。 ❹ 藉以上設置’當流體A、B分別由同軸直向進口流道 13進入流體通道1内之流道14處,此時將遭遇鈍體2對流 - 體產生之干擾作用’進而分流進入鈍體2兩側曲面與流體 - 通道1内壁之間,此時流體將產生渦流狀之縫隙流,且再 流入腔室丨51中產生尾流,使渦流狀之縫隙流與尾流產生 交互作用’進而可令流體A、B混合更為均勻並提升混合 效率。 9 200940436 為進-步證明本發明確實可在流體通道中造成渦流以 提升"U·體之混合效果,吾等發明人特別製作單鈍體式混合 裝置之模型以測試在各水平切面之濃度分布狀態 ,以及在 各雷諾數下之垂直切面濃度分布狀態,請參附件所示, . #中,黑色箭頭及區域代表流體A,白色箭頭及區域代表 流體B,請參閱Figl.所示,係本發明「單鈍體式混合裝置」 之簡易模型示意圖’Fig2.則為本發明「單鈍體式混合裝置」 ❹ 在各雷諾數下之1 — I垂直切面(請配合Figl.所示)滚度分 布狀態示意圖,Fig3.則為本發明「單鈍體式混合裝置」在 雷諾數固定在100之前提下,各水平切面之濃度分布狀態 不意圖,由附件之Figl.-3.可證明,流體在「單鈍體式混合 裝置」中確實會因為鈍體結構而造成扭轉,使流體產生滿 流現象,故可促使流體充份混合並提升流體之混合效率。 (二)雙鈍體式混合裝置 ❹ 請參閱第二圖所示,本發明之雙鈍體式混合裝置主要 包含一流體通道1,該流體通道1兩端分別為入口端11及 出口端12 ’其入口端11係可連接同軸直向進口流道13 ’ - 俾可供不同成分之流體A及流體B注入流體通道1中,而 出口端12則可連接至其他裝置(例如其他混合裝置或喷嘴 口,圖面未示出);其中: 該流體通道1内部設一鈍體2,該鈍體2之尖端係朝 200940436 向流體通道1之入口端11 ;該流體通道1同時亦配合鈍雜 2之形狀及設置而在對應鈍體2兩侧區域形成漸縮狀流道 14 ’該流體通道1並在對應鈍體2下方區域形成外凸漸擴 曲面段15,且進而形成一外擴狀腔室151 ’該腔室151底 . 端復形成漸縮曲面段16,且該漸縮曲面段16係設有第二鈍 . 體2’ ,且該流體通道1亦對應第二純體2 而在第二挑 體2’下方形成外凸漸擴曲面段17,進而形成第二腔室 ❿ Π1,該第二腔室171底端復形成漸縮曲面段18並連接流 體通道1之出口端12;關於鈍體2與第二鈍體2’之兩側 曲面形狀,係可如第二圖(a)所示二者皆為凹形曲面’亦 可如第二圖(b)所示二者皆為凸形曲面,更可如第二圖(c) 所示鈍體2為凹形曲面而第二鈍體2’為凸形曲面,或如 第二圖(d)所示鈍體2為凸形曲面而第二鈍體2’為凹形 曲面。 © 藉以上設置,當流體A、B分別由直向進口流道13進 入流體通道1内之流道14處,此時將遭遇鈍體2對流體產 . 生干擾作用,進而分流進入鈍體2兩侧曲面與流體通道1 - 内壁之間,此時流體將產生渦流狀之縫隙流,且再流入腔 室151中產生尾流,使渦流狀之縫隙流與尾流產生交互作 用,令流體A、B在腔室151中進行第一次混合,當流體 流至腔室151底端之漸縮曲面段16時,將再度遭遇第二鈍 11 200940436 體2’而分流進入第二純體2,與漸縮曲面段16之間,形 成第二次縫隙流,同時亦會再進入第二腔室Π1中產生第 二次尾流’使騎狀之_流與賴再度產生交互作用, 如此一來,流體將混合蚊辆勻麵—步提升混合效率。 . 驗-步證日林㈣「雙蘭式齡駭」之混合效 , 果更優於f鈍體式處合裝置」,吾等發明人同樣製作雙純 體式微混合裝置之模型以測試在各水平切面之濃度分布狀 ❹ S ’以及在各雷諾數下之垂直切面漢度分布狀態,同請參 閱附件所不’其中’黑色箭頭及區域代表流體A,白色箭 頭及區域代表流體B ’Fig4·係本發明「雙鈍體式混合裝置」 之簡易模型示意圖,Fig5.則為本發明「雙純體式混合裝置」 在各雷諾數下之n-n垂直城(請配合啊.所示)濃度分 布狀態示意圖,Fig6.則為本發明「雙鈍體式混合裝置」在 雷錄H絲1GG之前提下,各水伟狀濃度分布狀態 ❹ 讀、® ’由附件之Fig4,6.可證明’流體在「雙鈍體式混合 裝置」中確實會因為鈍體及第二鈍體結構而造成二段式扭 轉,使流體產生多次渦流現象,故更可促使流體充份混合 * 並提升流體之混合效率。 以上所述乃係本發明單純針對流體通道幾何形狀搭配 單或雙鈍體結構之基本實施例,此外,本發明另針對混合 裝置之其他部位做進一步之研發及設計而有如下所示之多 12 200940436 種實施例問世,且該等實施例皆可與上述之「單鈍體式、^ 合裝置」及「雙鈍體式混合裝置」相互搭配結合運用,茲 舉例詳述如下。 首先就鈍體之數量方面^言,本發明之㈣通道係可 選擇設置純體2及第二鈍體2,以外,該第二鈍體2,之 數量並未限制僅為單個而已,請參閱第三圖所示,本發明 係可設有複數個第二鈍體2,(惟,本實施例係舉一對第 二鈍體2,為例,但非以此為限),且該等第二鈍體2,係 呈並排狀設置,藉之,可令流體形成多股分流,使渦流作 用更為明顯,進而更提升流體之間的混合效果。 再者,就本發明之流體通道形狀而言,亦可作如第四 圖所示之變化,其+’誠贿道樣室151係可在對應 鈍體2底φ位置處柄懒外舰,俾猶形錢迴流區 152並使流體在此產生迴流作用,藉之,該腔室15將可同 步產生尾流及迴流作用,使流航合更為均自且可提升流 體混合效果。 續°月參閱第五、六圖所示,本發明之鈍體結構除可如 前述係為完整塊狀體結構以外,該等純體2、2,之底面 係可呈開口狀,使鈍體2、2,具雙翼片結構,且雙翼片 之長度係可如第五W所示之等長狀態,或如第六圖所示之 一長一短狀態者。 13 200940436 最後則為本發明之進口流道結構部份,如前述實施例 所示’本發明之進口流道結構及數量係可視流體成份而 定,例如,當僅有流體A、B兩種流體欲進行混合時,除 可設置如第一、二圖所示之同軸直向進口流道13以外,已 . 可採用如第七圖所示之傳統T型直向進口流道13設計,或 ' 如第八圖所示之雙曲面進口流道13,設計·,倘若包含有第 二種流體成份時,該進口流道結構係可設計如第九圖所示 ® 之直向進口流道13與曲面進口流道13,二者兼具,或如第 十圖所示之皆為曲面進口流道13,,其主要係利用曲面進 口流道13之曲面設計,使流體在進口流道内即先產生扭 轉作用’形成渦流再進入流體通道中,可更有效提升流體 之混合效果者。 t由上述㈣可知’本發明之主要藉由流體通道之幾 〇 何形狀搭配鈍體結構來引導流體產生渦流狀之縫隙流及尾 流,再透過縫隙流與尾流之交互作用使不同流體之間的接 • 觸面料加,進而使流體混合更為,俾有效提升混合效果。 、’’$彳述本發明所揭露之技術手段確可達致預期之 2的與功效且具長魏步性,誠射供產業上彻之發明 衷、誤’差依法提出申請’懇祈釣上惠予詳審並 專利,至感德馨。 淮以上所述者,僅為本發明之較佳實施例,當不能以 14 200940436 此限定本發明實施之範圍,即大凡依本發明申請專利範圍 及發明說明書内容所作之等效變化與修飾,皆應仍屬本發 明專利涵蓋之範圍内。 【圖式簡單說明】200940436 IX. Description of the Invention: [Technical Field] The present invention relates to a mixing device having a bluff body and a concave-convex curved surface structure, in particular, a pure body structure is provided in a fluid passage to cause a fluid to generate a vortex in a fluid passage. The gap flow and the recirculation, and the use of the gap flow and the wake flow. The interaction achieves the mixing device for mixing different fluids, and has the advantages and effects of increasing the contact area of the fluid, improving the mixing effect, and making the fluid mixing more uniform. By. [Prior Art] According to recent years, in analytical chemistry and life sciences, miniaturization has become a new trend. The control and analysis of miniaturized fluids has gradually become important among various studies; the application of microfluidics includes: microarray, DNA sequencing, sample preparation and detection, cell separation and debt testing, and even Wei Qi. turn. In the academic world, the application of the micro-flow body to the above-mentioned applications has attracted more and more attention. Its potential and benefits are: the consumption of samples and medicaments in Xiaoli, the effective reduction of detection time, the reduction of A large number of silk-making new forces were lost. In the general microfluidic system, in addition to the micro-pump, the micro-mixer is another important component. In the past research, the micro-mixer = importance is not understood, ρ, there are a few The research group conducted related research 'until recent years' research on _ micro-hybrid H was proposed, 5 200940436 and more and more micro-mixers designed with different concepts have been introduced. The design of a typical micromixer consists primarily of a microchannel that provides sufficient mixing of two different fluids into the microchannel. However, after investigation by our inventors, it was found that 'the design of the conventional microchannels is often due to factors such as too small flow path size, excessive wall/surface friction, and low Reynolds number, which leads to different fluids in the microflow. Each of the channels is shunted and cannot be fully mixed (ie, the two fluids remain laminar and cannot form a turbulent state), so that even after the subsequent interaction with the high-speed airflow, the resulting mist is also generated. The particles are sprayed for the spray particles of the respective different components rather than the mixed state. In view of this, in order to effectively solve the problem of uneven mixing of the above fluids, our inventors have specially studied and improved the fluids of the dynasty, in addition to changing the geometry of the fluid passages, and attempting to set up the fluid passages. The pure structure, _ by the bribery and the reliance to produce a mixed county to enhance the fluid, and after the _Don Wei read, the micro-hybrid device of the present invention was introduced. [Description of the Invention] The purpose of this is to provide a kind of fluid channel shape with the structure of the main surface of the concave-convex surface device, which is matched with the pure structure, so that the fluid is produced at the end of the taste plate and utilized. The interaction between the eddy-like slit flow and the sub-slip flow and the wake is generated in m, which in turn produces a good mixing effect of good 6 200940436. In order to achieve the above object, the present inventors have specially designed a mixing device having a bluff body and a concave-convex curved surface structure, the mixing device comprising a fluid passage, the inlet end of the fluid passage connecting at least two inlet flow passages, and the outlet end '% can be connected to other devices; it is characterized in that: at least 6 bluff body inside the fluid channel, the fluid channel cooperates with the shape of the bluff body surface to form a flow channel in the corresponding blunt body @ side region and is correspondingly blunt The lower portion of the body forms a convexly divergent (four) segment and further forms an expanded cavity, the bottom end of which forms a tapered curved section and connects the outlet end of the fluid passage, thereby causing the fluid to be curved on both sides of the bluff body A gap flow is created between the inner wall of the fluid passage and a wake is generated in the chamber to cause the flow of the thirsty flow to interact with the wake, thereby making the fluid mixing more uniform and improving the mixing efficiency. For example, the above-mentioned mixing device having a bluff body and a concave-convex curved surface structure, wherein the blunt body has a concave surface or a convex curved surface.混合 The above-mentioned mixing device having a pure body and a concave-convex curved structure, wherein the tapered channel of the fluid passage at the bottom end of the chamber can be provided with a second bluff body, and the 'fluid reducing passage corresponding to the second bluff body A second convex portion is formed in the lower portion of the second pure body to form a second chamber, and the bottom end of the second chamber also forms a tapered curved section and connects the outlet end of the fluid passage. The above-mentioned mixing device with a blunt body and a concave-convex curved surface structure, wherein both the abalone body and the first bluff body can be concave curved surfaces, or both are 7 200940436 convex curved surfaces, or one It is a concave curved surface, and the other is a convex curved surface. A mixing device having a bluff body and a concave-convex curved surface structure as described above, wherein the 'IL body channel system' is provided with a plurality of second bluff bodies, and the second blunt systems are arranged side by side. - a mixing device having a bluff body and a concave-convex curved surface structure as described above, wherein the chambers are outwardly expanded toward both sides at a position corresponding to the bottom surface of the bluff body, and the helium expands to form a double recirculation zone and the fluid is generated therein Reflow. ^ The above-mentioned mixing device with a blunt body and a concave-convex curved surface structure, wherein the bottom surface of the bluff body can be open-shaped, so that the blunt body has a double-wing structure, and the length of the bird piece is equal. The above-mentioned mixing device with a blunt body and a concave-convex curved surface structure, wherein the bottom surface of the bluff body can be open-shaped, so that the blunt body has a double-wing structure, and the length of the bird piece is one long and one short. The mixing device with a bluff body and a concave-convex curved surface structure, wherein the inlet flow passages of the fluid passages are all straight inlet flow passages, or both are curved inlet flow passages, or straight inlet flow passages and curved surfaces. Both import flow paths have both. 'Embodiment】 'The mixing device of the present invention can be divided into two embodiments of a "single blunt body mixing device" and a "double bluff body mixing device", which will be described in detail below with reference to the drawings. The invention is understood and recognized. (i) Single bluff body mixing device 8 200940436 Referring to Fig. - Fig., the single bluff body mixing device of the present invention mainly comprises the fluid passage of the helium fluid passage 1'! The two ends are an inlet end ^ and an outlet end 12 respectively, and the inlet end 11 is connected to the coaxial straight inlet flow passage 13 , and the fluid A and the fluid b of different compositions are simultaneously injected into the fluid passage 丄 - 卜 and the outlet end 12 1J can be connected to other wraps (for example, other mixing devices or nozzle ports, not shown); wherein: the fluid channel 1 is internally provided with a pure body 2, the tip of which is directed toward the fluid channel 1 The entrance end η, the shape of the curved surface on both sides of the bluff body 2 is a concave curved surface as shown in the figure (a), and may also be a convex curved surface as shown in the first figure (b); the fluid passage 1 is simultaneously A substantially tapered flow path is formed on both sides of the corresponding bluff body 2 in combination with the shape and arrangement of the bluff body 2, and the fluid channel 1 forms a convexly divergent curved surface segment 15 in a region below the corresponding bluff body 2, and Further, an expanded chamber 151 ' is formed at the bottom end of the chamber 151 to form a tapered curved section 16 and to connect the outlet end 12 of the fluid passage 1.借 By setting the above, when the fluids A and B enter the flow channel 14 in the fluid channel 1 from the coaxial straight inlet flow channel 13, respectively, the interference effect of the bluff body 2 on the convection body will be encountered, and then the flow will be diverted into the bluff body. 2 between the two sides of the surface and the fluid - the inner wall of the channel 1, when the fluid will produce a vortex-like slit flow, and then flow into the chamber 丨51 to generate a wake, so that the vortex-like slit flow interacts with the wake' It can make the fluids A and B mix more evenly and improve the mixing efficiency. 9 200940436 In order to prove that the invention can indeed cause eddy currents in the fluid passage to enhance the mixing effect of the U-body, the inventors specially made a model of a single bluff body mixing device to test the concentration distribution at each horizontal section. The state, as well as the vertical section concentration distribution state under each Reynolds number, please refer to the attached table. #中, black arrows and areas represent fluid A, white arrows and areas represent fluid B, see Figl. A simplified model diagram of the invention "single bluff body mixing device" Fig. 2 is a "single bluff body mixing device" of the present invention ❹ 1 - I vertical section of each Reynolds number (shown in Fig.) Schematic, Fig. 3. The "single bluff body mixing device" of the present invention is lifted before the Reynolds number is fixed at 100, and the concentration distribution state of each horizontal cutting surface is not intended. It can be proved by the attached Figl.-3. The bluff body mixing device does cause torsion due to the bluff body structure, which causes the fluid to flow completely, so that the fluid can be fully mixed and the mixing efficiency of the fluid can be improved. (b) Double bluff body mixing device ❹ Referring to the second figure, the double bluff body mixing device of the present invention mainly comprises a fluid channel 1, the two ends of which are respectively an inlet end 11 and an outlet end 12' The end 11 is connectable to the coaxial straight inlet flow passage 13' - the fluid A and fluid B of different compositions can be injected into the fluid passage 1, and the outlet end 12 can be connected to other devices (such as other mixing devices or nozzle openings). The figure is not shown); wherein: the fluid channel 1 is internally provided with a bluff body 2, the tip of which is directed toward the inlet end 11 of the fluid channel 1 toward 200940436; the fluid channel 1 also cooperates with the shape of the blunt 2 And forming a tapered flow passage 14 in a region on both sides of the corresponding bluff body 2'. The fluid passage 1 forms a convexly divergent curved surface segment 15 in a region below the corresponding bluff body 2, and further forms an outer expansion chamber 151. 'The bottom of the chamber 151. The end is formed with a tapered curved section 16, and the tapered curved section 16 is provided with a second blunt body 2', and the fluid passage 1 also corresponds to the second pure body 2 and is in the second A convexly divergent curved surface segment 17 is formed below the pick 2', thereby forming a second ❿ ,1, the bottom end of the second chamber 171 is formed with a tapered curved section 18 and is connected to the outlet end 12 of the fluid passage 1; with respect to the curved surface shape of the bluff body 2 and the second bluff body 2', The two figures (a) are both concave curved surfaces', as shown in the second figure (b), both of which are convex curved surfaces, and the bluff body 2 is concave as shown in the second figure (c). The second curved body 2' is a convex curved surface, or the bluff body 2 is a convex curved surface and the second bluff body 2' is a concave curved surface as shown in the second figure (d). © With the above settings, when the fluids A and B enter the flow passage 14 in the fluid passage 1 from the straight inlet flow passage 13, respectively, the bluff body 2 will be disturbed by the fluid production, and then the flow will be diverted into the bluff body 2 Between the two sides of the curved surface and the fluid channel 1 - the inner wall, the fluid will generate a vortex-like slit flow, and then flow into the chamber 151 to generate a wake, so that the vortex-like slit flow interacts with the wake, so that the fluid A B performs the first mixing in the chamber 151. When the fluid flows to the tapered curved section 16 at the bottom end of the chamber 151, it will again encounter the second blunt 11 200940436 body 2' and be diverted into the second pure body 2, Between the tapered surface segment 16, a second slit flow is formed, and a second wake flow is generated in the second chamber Π1, so that the rider-like flow interacts with the repulsion again, thus The fluid will mix the mosquitoes to level the surface - step to improve mixing efficiency. The test-step certificate of the Japanese forest (four) "double-language age" mixed effect, the fruit is better than the f-blend type of the device," our inventors also made a model of the dual-pure micro-mixing device to test at all levels The concentration distribution of the cut surface ❹ S ' and the vertical section Hanta distribution under each Reynolds number are also referred to in the annex. 'The black arrow and the area represent the fluid A, the white arrow and the area represent the fluid B 'Fig4· A schematic diagram of a simple model of the "double bluff body mixing device" of the present invention, Fig. 5 is a schematic diagram of the concentration distribution state of the nn vertical city (shown with ah.) under the Reynolds number of the "double pure body mixing device" of the present invention, Fig6 The "double bluff body mixing device" of the present invention is lifted before the Ray H wire 1GG, and the water-like concentration distribution state is read, and the 'by the attachment Fig4, 6. can prove that the fluid is in the double bluff body. In the mixing device, the two-stage twisting is caused by the bluff body and the second bluff body structure, which causes the fluid to generate multiple eddy currents, so that the fluid can be sufficiently mixed* and the mixing efficiency of the fluid can be improved. The above is a basic embodiment of the present invention for simply matching the fluid channel geometry with a single or double bluff body structure. In addition, the present invention further develops and designs other parts of the mixing device as shown below. 200940436 embodiments are available, and all of the embodiments can be combined with the above-mentioned "single blunt body type, ^ device" and "double bluff body type mixing device", which are described in detail below. Firstly, in terms of the number of bluff bodies, the (4) channel of the present invention may be selected to be a pure body 2 and a second bluff body 2, and the number of the second bluff body 2 is not limited to a single one. As shown in the third figure, the present invention may be provided with a plurality of second bluff bodies 2 (however, this embodiment is a pair of second bluff bodies 2, for example, but not limited thereto), and the like The second bluff body 2 is arranged side by side, so that the fluid can form a plurality of splits, so that the eddy current effect is more obvious, thereby further improving the mixing effect between the fluids. Furthermore, as far as the shape of the fluid passage of the present invention is concerned, it can also be changed as shown in the fourth figure, and the +' honest bribery room 151 can be a lazy outer ship at the bottom φ position corresponding to the bluff body 2, The hemisphere backflow zone 152 causes the fluid to reflow there, whereby the chamber 15 will simultaneously generate wake and reflow, making the flow more uniform and enhancing the fluid mixing effect. Referring to the fifth and sixth figures, the bluff body structure of the present invention may be in the form of an open body, in addition to being a complete block structure as described above. 2, 2, with a double-wing structure, and the length of the double-wing piece can be the same length state as shown in the fifth W, or one of the long and short states as shown in the sixth figure. 13 200940436 Finally, the inlet flow channel structure portion of the present invention, as shown in the foregoing embodiment, 'the inlet flow channel structure and quantity of the present invention may depend on the fluid composition, for example, when only fluid A and B fluids are present. In order to perform mixing, in addition to the coaxial straight inlet flow passage 13 as shown in the first and second figures, the conventional T-shaped straight inlet flow passage 13 as shown in the seventh drawing may be used, or ' The hyperboloid inlet flow passage 13 as shown in the eighth figure, designed to have a second fluid component, the inlet flow passage structure can be designed as shown in the ninth diagram of the direct inlet flow passage 13 and The curved surface inlet flow passage 13, both of which are combined, or as shown in the tenth figure, are curved inlet flow passages 13, which are mainly designed by using the curved surface of the curved inlet flow passage 13 so that the fluid is generated first in the inlet flow passage. The torsional effect 'forms eddy currents and then enters the fluid passages, which can more effectively improve the mixing effect of the fluids. According to the above (4), the present invention mainly guides the fluid to generate a vortex-like slit flow and a wake flow by the geometric shape of the fluid passage, and then interacts with the wake flow and the wake flow to make different fluids The connection between the fabrics and the touch fabric adds more fluid to the mixture, which enhances the mixing effect. , ''$ 彳 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本Shang Hui gave detailed review and patent, to the sense of Dexin. The above is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited to 14 200940436, that is, equivalent changes and modifications made by the present invention in accordance with the scope of the invention and the contents of the description of the invention are It should remain within the scope of this invention. [Simple description of the map]

第一圖係本發明單鈍體式混合裝置之基本結構示意圖。 第二圖係本發明雙鈍體式混合裝置之基本結構示意圖。 第三圖係本發明設置複數個第二鈍體之實施例示意圖。 第四圖係本發明設置雙迴流區之實施例示意圖。 第五圖係本發明之另一種鈍體結構實施例示意圖。 第六圖係本發明之又一種鈍體結構實施例示意圖。 第七圖係本發明搭配不同進口流道之實施例示意圖一。 第八圖係本發明搭配不同進口流道之實施例示意圖二。 第九圖係本發明搭配不同進口流道之實施例示意圖三。 第十圖係本發明搭配不同進口流道之實施例示意圖四。 Ο 【主要元件符號說明】 1 -一流體通道 12---出口端 13’ —曲面進口流道 15 漸擴曲面段 152 雙迴流區 17 漸擴曲面段 11——入口端 13- 一直向進口流道 14— 流道 151-一腔室 16—漸縮曲面段 171 —第一腔至 15 200940436 18---漸縮曲面段 2-―鈍體 2 ’ —第二純體 【附件】 附件係本發明兩種混合裝置之模型示意圖及流場測試結 . 果示意圖。The first figure is a schematic diagram of the basic structure of the single bluff body mixing device of the present invention. The second figure is a schematic diagram of the basic structure of the double bluff body mixing device of the present invention. The third figure is a schematic view of an embodiment of the present invention in which a plurality of second bluff bodies are provided. The fourth figure is a schematic view of an embodiment of the present invention in which a double recirculation zone is provided. The fifth drawing is a schematic view of another embodiment of the bluff body structure of the present invention. The sixth drawing is a schematic view of another embodiment of the bluff body structure of the present invention. The seventh figure is a schematic diagram 1 of an embodiment of the present invention with different inlet flow paths. The eighth figure is a schematic diagram 2 of an embodiment of the present invention with different inlet flow paths. The ninth drawing is a schematic diagram 3 of an embodiment of the present invention with different inlet flow paths. The tenth figure is a schematic diagram 4 of an embodiment of the present invention with different inlet flow paths. Ο [Main component symbol description] 1 - a fluid channel 12 - the outlet end 13' - curved inlet channel 15 tapered surface segment 152 double recirculation zone 17 divergent surface segment 11 - inlet end 13 - all the way to the inlet flow Lane 14 - Runner 151 - a chamber 16 - tapered surface segment 171 - first cavity to 15 200940436 18 - - tapered surface segment 2 - bluff body 2 ' - second pure body [accessory] The model diagram of the two mixing devices and the flow field test results are shown.

1616

Claims (1)

200940436 十、申請專利範圍: 1、 一種具鈍體及凹凸曲面結構之混合裝置,該混合 裝置包含一流體通道,該流體通道之入口端至少連接二道 以上之進口流道,出口端則可連接至其他裝置;其特徵在 . 於:該流體通道内部至少設一鈍體,該流體通道係配合鈍 體曲面形狀而在對應鈍體兩側區域形成流道,並在對應鈍 體下方區域形成外凸漸擴曲面段,且進而形成一擴張狀腔 ❹ 室’該腔室底端復形成漸縮曲面段並連接流體通道之出口 端’藉之,令流體在純體兩侧由面與流體通道内壁之間產 生縫隙流,且在腔室中產生尾流,使渦流狀縫隙流與尾流 產生交互作用,進而使流體混合更為均勻並提升混合效率 者。 2、 如申請專利範圍第1項所述具鈍體及凹凸曲面妹 構之混合裝置,其中,該鈍體之兩侧面係可為凹形曲面咬 〇 為凸形曲面者。 3、 如申請專利範圍第1項所述具鈍體及凹凸曲面妗 ^ 構之混合裝置,其中,該流體通道於腔室底端之漸縮段係 ' 可設第二鈍體,且該流流體通道亦對應第二鈍體而在第一 純體下方區域形成外凸漸擴曲面段,進而形成第二炉室 該第二腔室底端亦形成漸縮曲面段並連接流體通道之出口 端者。 4、 如申請專利範圍第3項所述具鈍體及凹凸曲面結 17 200940436 構之混合裝置,其巾,雜體及第二鈍體之_面係可皆 為凹形曲面,或皆為凸形曲面,或一者為凹形曲面,另者 為凸形曲面者。 5、 如申請專利範圍第3項所述具鈍體及凹凸曲面結 構之混合裝置,其巾,m通道係可設置她個第二純 體’且該等第二鈍體係呈並排狀設置者。 6、 如申請專利範圍第1或3項所述具鈍體及凹凸曲 面結構之混合裝置,其中,該等腔室係可在對應純體底面 位置處朝兩側向外擴張,俾舰形成雙迴流區並使流體在 此產生迴流作用者。 7、 如申請專利範圍第1或3項所述具鈍體及凹凸曲 面結構之混合裝置,其中,該等鈍體之底面係可呈開口狀, 使鈍體具雙翼片結構,且雙翼片之長度為等長者。 8、 如申請專利範圍第1或3項所述具鈍體及凹凸曲 面結構之混合裝置,其中,該等鈍體之底面係可呈開口狀, 使鈍體具雙翼片結構,且雙翼片之長度為一長一短者。 9、 如申請專利範圍第1或3項所述具鈍體及凹凸曲 面結構之混合裝置,其中,該流體通道之進口流道係可皆 為直向進口流道,或皆為曲面進口流道,或直向進口流道 與曲面進口流道二者兼具者。200940436 X. Patent application scope: 1. A mixing device with a bluff body and a concave-convex curved surface structure, the mixing device comprises a fluid passage, the inlet end of the fluid passage is connected to at least two inlet flow passages, and the outlet end is connectable The device is characterized in that: at least one bluff body is disposed inside the fluid passage, and the fluid passage is formed with a bluff body curved surface to form a flow passage on two sides of the corresponding bluff body, and is formed outside the corresponding bluff body region. The convexly diverging curved surface segment, and further forming an expanded cavity chamber, the bottom end of the chamber is formed into a tapered curved section and connected to the outlet end of the fluid passage, so that the fluid is on both sides of the pure body by the surface and the fluid passage A gap flow is created between the inner walls, and a wake is generated in the chamber, so that the vortex-like slit flow interacts with the wake, thereby making the fluid mixing more uniform and improving the mixing efficiency. 2. A mixing device having a bluff body and a concave-convex curved surface structure according to claim 1, wherein the two sides of the bluff body are concave curved surfaces that are convex curved surfaces. 3. A mixing device having a bluff body and a concave-convex surface structure according to the first aspect of the patent application, wherein the fluid passage is at a bottom portion of the chamber, and a second bluff body can be provided, and the flow The fluid passage also corresponds to the second bluff body to form a convexly divergent curved surface section in the lower portion of the first pure body, thereby forming a second furnace chamber. The bottom end of the second chamber also forms a tapered curved section and is connected to the outlet end of the fluid passage. By. 4. If the mixing device has a bluff body and a concave-convex surface knot 17 200940436 as described in claim 3, the towel, the miscellaneous body and the second bluff body may all be concave curved surfaces, or both are convex. Shaped surfaces, or one is a concave surface, and the other is a convex surface. 5. A mixing device having a bluff body and a concave-convex curved surface structure according to item 3 of the patent application, wherein the towel, the m-channel system can be provided with her second pure body' and the second blunt systems are arranged side by side. 6. A mixing device having a bluff body and a concave-convex curved surface structure according to claim 1 or 3, wherein the chambers are outwardly expandable toward both sides at a position corresponding to the bottom surface of the pure body, and the ship forms a double The recirculation zone allows the fluid to create a reflux effect there. 7. A mixing device having a bluff body and a concave-convex curved surface structure according to claim 1 or 3, wherein the bottom surface of the bluff body is open-shaped, the bluff body has a double-wing structure, and the wings The length of the film is the same length. 8. A mixing device having a bluff body and a concave-convex curved surface structure according to claim 1 or 3, wherein the bottom surface of the bluff body is open-shaped, the bluff body has a double-wing structure, and the double wings The length of the film is one long and one short. 9. The mixing device of the bluff body and the concave-convex curved surface structure according to claim 1 or 3, wherein the inlet channel of the fluid channel can be a straight inlet flow channel, or both are curved inlet flow channels. Or straight to both the inlet flow path and the curved inlet flow path.
TW97109287A 2008-03-17 2008-03-17 Mixing device having blunt body and structure with concave and convex curved surfaces TW200940436A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9625365B2 (en) 2014-05-16 2017-04-18 Industrial Technology Research Institute System and method for monitoring particles in solution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9625365B2 (en) 2014-05-16 2017-04-18 Industrial Technology Research Institute System and method for monitoring particles in solution

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