200806573 九、發明說明： 【發明所屬之技術領域】 本發明係關於以電解單元製造過氧化氫之裝置及方 法，尤其係關於被安排為，舉例來說，在一自動洗碗機中， 5 製造過氧化氫之裝置。 【先前技術】 0 在一習用的自動洗碗機中，清潔劑係用於產生洗滌液 體，以用於清洗放置於洗碗機中之髒污項目。不過，當洗 10 滌液體被釋放至環境時，這類清潔劑可分解而產生污染物。 已提出使用一過氧化氫溶液作為自動洗碗機中之洗滌 液體。過氧化氫之優點為其只分解為水及氫，其無害且對 環境不造成任何問題。 過氧化氫可能面臨到的一個問題是，其不穩定且無法 15 長時間儲存而不分解。這些特性降低使用過氧化氫之吸引 力，尤其是在其可能相當不常及/或小量被使用的家庭環境 ⑩中。 考慮到這些問題，已提出現場（on-site)產生過氧化氫。 以電解產生過氧化氫之方法及裝置，於美國專利第 2〇 6,767,447號中有所敘述。電能被用於引起電化學反應，即 水的電解作用。經由控制單元之陰極處的化學反應，過氧 化氫因而產生。不過，此程序花費時間長（典型為數個小 時），因而降低其作為家庭過氧化物溶液之來源的可行性。 5 200806573 【發明内容】 因此，本發明提供一種產生過氧化氫之裝置，其包含 被安排為產生過氧化氫之一電解單元、儲存該單元所產生 的過氧化氫之一貯存器、及被安排為活化該單元並由該貯 5 存器引入儲存的過氧化氫至該單元之一控制器。 本發明係經由引入儲存的過氧化氫作為單元中之電解 質，而使過氧化氫之一儲存之濃度如所需般加滿。此對抗 0 儲存的過氧化氫之自然衰變。 有利地，控制器被安排為監控所儲存的過氧化氫已在 10 貯存器中儲存的時間長度，並依儲存的時間長度在一預定 的期間活化電解單元。 較佳地，過氧化氫之pH受到控制以使其低於一預定 值。已發現，具有接近中性之低的pH之過氧化氫較具有更 強鹼性的pH之過氧化氫更慢衰變。 15 本發明尤其適於自動洗碗機中之應用。過氧化氫濃度 之加滿可在一預洗步驟期間完成。 【實施方式】 在本說明書中，相似的部分係以相似的元件符號表示。 20 圖1說明一電解單元，通常由元件符號1來表示。此 僅為一概要圖式，且其特徵並非按照比例顯示的。為清楚 表達，圖中僅繪製一個單元1，但實際上多個這類單元可串 連的連接。單元1包含兩個腔體2、3,由離子交換薄膜4 分隔為具有陽極5之陽極腔體2,及具有陰極6之陰極腔體 6 200806573 3。單兀1亦包括一空氣腔體7。陰極6為一碳布型電極， ^開陰極腔體3與空氣腔體7。泵8之設置是為了將空氣由 周圍％境打入至空氣腔體7中，以便其在壓力之下容納於 腔體7中。壓力導致空氣被迫進入碳布陰極6中，以便提 供氧氣給陰極。氧氣對於在陰極腔體3中製造過氧化氫是 必須的。 陽極5及陰極6被連接至一為直流電源供應9之形式 ^ =力源此可由一市電電源供應（eiectricai mains supply) 10 15200806573 IX. Description of the Invention: [Technical Field] The present invention relates to an apparatus and method for producing hydrogen peroxide by an electrolytic unit, in particular for being arranged, for example, in an automatic dishwasher, 5 A device for hydrogen peroxide. [Prior Art] 0 In a conventional automatic dishwasher, a cleaning agent is used to produce a washing liquid for cleaning a dirty item placed in a dishwasher. However, when the detergent liquid is released to the environment, such detergents can be decomposed to produce contaminants. It has been proposed to use a hydrogen peroxide solution as the washing liquid in an automatic dishwasher. The advantage of hydrogen peroxide is that it only decomposes into water and hydrogen, which is harmless and does not pose any problems to the environment. One problem that hydrogen peroxide may face is that it is unstable and cannot be stored for 15 minutes without decomposition. These characteristics reduce the attractiveness of using hydrogen peroxide, especially in a home environment 10 where it may be quite infrequent and/or small. In view of these problems, it has been proposed to generate hydrogen peroxide on-site. A method and apparatus for the production of hydrogen peroxide by electrolysis are described in U.S. Patent No. 2,767,447. Electrical energy is used to cause an electrochemical reaction, i.e., electrolysis of water. Hydrogen peroxide is thus produced via a chemical reaction at the cathode of the control unit. However, this procedure takes a long time (typically several hours), thus reducing its feasibility as a source of home peroxide solution. 5 200806573 SUMMARY OF THE INVENTION Accordingly, the present invention provides a device for producing hydrogen peroxide comprising an electrolyte unit arranged to generate hydrogen peroxide, a reservoir of hydrogen peroxide produced by storing the unit, and arranged To activate the unit and introduce stored hydrogen peroxide from the reservoir to one of the controllers of the unit. The present invention allows the concentration of one of the hydrogen peroxide to be stored as needed by introducing stored hydrogen peroxide as the electrolyte in the unit. This is against the natural decay of hydrogen peroxide stored in 0. Advantageously, the controller is arranged to monitor the length of time that the stored hydrogen peroxide has been stored in the 10 reservoir and activate the electrolysis unit for a predetermined period of time depending on the length of storage. Preferably, the pH of the hydrogen peroxide is controlled to be below a predetermined value. It has been found that hydrogen peroxide having a near neutral low pH decays more slowly than hydrogen peroxide having a more basic pH. 15 The invention is particularly suitable for use in automatic dishwashers. The filling of the hydrogen peroxide concentration can be completed during a pre-washing step. [Embodiment] In the present specification, like parts are denoted by like reference numerals. 20 Figure 1 illustrates an electrolytic unit, generally indicated by the symbol 1 of the element. This is merely a schematic and its features are not to scale. For clarity of presentation, only one unit 1 is drawn in the figure, but in practice multiple such units can be connected in series. The unit 1 comprises two chambers 2, 3 separated by an ion exchange membrane 4 into an anode chamber 2 having an anode 5, and a cathode chamber 6 with a cathode 6 200806573 3 . The single turn 1 also includes an air cavity 7. The cathode 6 is a carbon cloth type electrode, and the cathode chamber 3 and the air chamber 7 are opened. The pump 8 is arranged to drive air from the surrounding environment into the air chamber 7 so that it is accommodated in the chamber 7 under pressure. The pressure causes the air to be forced into the carbon cloth cathode 6 to supply oxygen to the cathode. Oxygen is necessary for the production of hydrogen peroxide in the cathode chamber 3. The anode 5 and the cathode 6 are connected to a form of a DC power supply 9 ^ = power source can be supplied by a mains supply (eiectricai mains supply) 10 15
20 ’其經過適當地變壓及整流，以產生具有適當電流及 弘壓之直流供應9。電解單元1經由施加橫跨陽極$及陰極 6之電位來迫使位於腔體2、3及電極中之離子間的内部化 孥反應而活化。如果離子為帶正電之陽離子，則它們朝陰 極6流動，並因而被還原。如果離子為帶負電之陰離子， 則它們朝陽極5流動，並因而被氧化。 在陰極6之化學反應可簡單表示如下： 2H+ + 〇2 + 2e—>H2〇2 此反應包含：以在陽極腔體2中產生並穿過薄膜4遷20' It is suitably transformed and rectified to produce a DC supply 9 with appropriate current and voltage. The electrolysis unit 1 is activated by applying an internal enthalpy reaction between the ions in the cavities 2, 3 and the electrodes by applying a potential across the anode $ and the cathode 6. If the ions are positively charged cations, they flow toward the cathode 6 and are thus reduced. If the ions are negatively charged anions, they flow toward the anode 5 and are thus oxidized. The chemical reaction at the cathode 6 can be simply expressed as follows: 2H + + 〇 2 + 2e - > H2 〇 2 This reaction involves: generating in the anode cavity 2 and moving through the film 4
移至陰極腔體3中之_離；另+2 A ^ 辽離子及电子，陰極還原來自空氣腔 '二之氧氣。經由控制此反應’简化氫在陰極腔體3中 /、有不冋的個別電解質在其中。與 陰極腔體3相關的電解質稱爲险 7如μ λα # 、稱為陰極电解質10。與陽極腔體 相關的电解貝已知為陽極電解質i ^。 在先前的製造過氧化氫之電解單元中，係使用單一種 7 200806573 電解質，在陽極腔體及陰極腔體這兩者中共用，且為了方 便起見，其典型為氯化鈉溶液。不過，在陽極之電化學反 應中，極毒的氯氣被製造出，並排除這—類單元在家庭應 用中之使用，例如用於-自動洗碗機中。其他電解質已經 被提出，但這些通常較氯化鈉溶液更為昂責，且當製造過 氧化氫時，隨著陰極腔體中之電解質用盡而必須加田二充。 此安排以諸如使用者安全、成本、可得性、及效力這 類考量為基，，允許使用者選擇對各電極最適當的電解質。 10 15 20 、广元1被活化前’陰極電解質10包含氯化鈉溶 液。此為陰極電解質之—方便的選擇，尤其在這—類 之應用中。這類洗碗機典型具有-腔體， :=鹽更，其中。習用地，此鹽已用於保持洗碗 二Τί效率。此鹽之儲存及來1當地自來水總 應’提供—方便的氯化鈉溶液之來源。 鈉。電解質11為—金屬硫酸鹽溶液，例如硫酸 間，二咖用作陽極電解質。在電化學反應期 大氣中或 極5錢製造’而A氣可無害地釋放至 陽極電解質UU新使用。在過氧化氫之電解產生中， 解貝11不會用盡，因而不需補充。 陽極5在陽極腔體中不备 的陽極材料A — 电化學反應而消耗。適當 電解單元ΓίΓ氣化錶塗佈之氧化鈦筛網(mesh)。習用的 說，麵。最小域氣產生之陽極材料，舉例來 以此農置，=貝的’比以氧化银為基礎之陽極更加昂貴。 b極電解質經過選擇以使陽極處不產生氯，因 8 200806573 ίϋ::這些較便宜的材料。另-優點為，以氧化銀為 &造率\ °具有較鉑陽極更低的電阻，其提高過氧化氫的 離子交拖”冬 所1 〇、1 w專膜4允终介於位在個別腔體2、3中之電解 貝\間的電接觸，但不允許電解質混合。 剂认抑-疋1非常小，為幾公分寬的等級。因此，一典 ^ 4m ^ 、&小夏的過氧化氬。較大的生產量可經由 個，單元串連的連接來達成。另一提 万法為，在單开 里〜 解質貯存加 谷納於陰極電解質儲存槽12中之陰極電 電解質儲極電解質10 ’其示於圖2。陰極 在使用中、曰 具有數公升的容量，典型為近乎五公升。 气過氧化氫於陰極腔體3中被製造，而此過氧化 陰極電解質陰極電解質槽12中，以由更多 15 20 . +如代。隨者陰極電解質在單元1之陰極腔體3 产=丄2 77貝槽12間循環，在陰極電解質中之過氧化氫濃 二日加。經由控制陰極θ之化學反應，並經由在單元i 、曲間，新循陰極電解質，一批五公升具有所需 =又仏氣化氫溶液可由此製造。在典型㈤家庭及輕工業 Μ用中已發現近乎α35%的濃度能滿足大多數的用途。 樣地，设置有用於容納陽極電解質11之貯存器之陽 二儲存槽Μ。陽極電解質槽14具有較低的容量，典 近乎—公升。泵15被用於在陽極腔體2及陽極電解質 單環陽極電解質η，以提供-批新鮮的離子給 在知極5之電化學反應中，陽極電解質η並未用 9 200806573 姐。陽極電解質u只須 、 補充’以取代可能已從儲存爾二來自自來水總水管16之水 5 10 15 為了增加單元丨之 日4蒸發之陽極電解質。 製造率，在單元處-足约^^率，並由此增加過氧化氫之 度必須穩定以保持一所饮密度是必須的。此電流密 器17被設置並受到控制，二、製造率。金屬鹽溶液之貯存 W，以將單元之導電率層^便將此鹽溶液攙入陰極電解質 實施例中，容納於貯存界迷帶至所期望的層級。在此 液，也就是鹽水。 中之金屬鹽溶液為氯化納溶 電流感應器18被安挑发乂占 流表示單元丨之導電率。在通過單元1之電流。此電 含-電流轉換器，其產生―沪二知例中，電流感應器18包 處理器之控制器。處理C流強度之訊號給一包含 預定的電流值，並依此介;期性地比較=號及一 、， '列1的及預定的電流值間的 來控制連接至鹽水貯存器17之泵2G。如果由感應器 18所债測的電流低於—預定值，處理ϋ被安排為活化鹽水 泵’。以便分配—鹽水量。來自貯存器17之鹽水進入靜態混 a态21 ’其迫使鹽水與由陰極電解質槽12打入電解單元j 之陰極電解質混合。離開該靜態混合器2〗之混合液體，接 著進入單元1，並使其導電率產生立即的變化。 圖3為顯示在典型的導電率控制程序期間，於轉換器 處所偵測到的電流變化之圖。預定的電流層級設定為16安 培。經由以上文所述的方式，增加内部的金屬離子濃度， 單元之導電率急遽增加，以致單元在幾分鐘的時間内達到 20 200806573 所需的電流層級。經流 的鹽水溶液之“ 週期的監控及隨後 之全部程序中被保；，且具有;二製造-批過氧化氫 此’單元1之導電率動態地變化流層級誤差。因 條件(例如：陰极處之空氣壓；：二單元本身之操作 之溫度、及水供應之品質）影t。〜免壓之變動、電解質 處理器19可安排為 料。反常的導電率變化可為裝置用於“先監控之導電率資 可用於幫助警示使用者或技術人員曰=指示，因此該資料 圖4顯示當陰極電解質1〇納::題。 間重新循環時，單元i 在陰極電解質槽12及單元 且過氧化氫在兩個小時内^匕氧製造率。製造率穩定， 雖然此為相當快的過氧t需的濃度。 15 用來說可能是慢的。：；氧受，率，其對某些應 對使用者來說，必須孩上在豕用的自動洗碗機中， 氫以用於洗務-裝載量的製造足夠的過氧化 12安排為用於儲存—批由單^ ^的。陰極電解質槽 氧化氫已知經過幾天的時間過二氯。不過，過 20 氧化氯未在此時間内使用、過 電解質㈣中之過氧化氫^’儲存在陰極 手U K工畏度，經由供給 ::娜質槽12之内容物通過單元而加: 此‘造的過氧化氫達到所需濃度為止。經由以人 = 乳化氫溶液之陰極電解質啟動過氧化氫之產生J =過 200806573 具有所需濃度之過氧化氫可較經由以新鮮的水作為陰極電 解質來啟動程序更快被製造。 處理器19被安排為用於監控儲存的過氧化氫已經容 納在槽12中的時間長度。圖5為顯示過氧化氫之一典型衰 5 變率之圖。舉例來說，如果過氧化氫已經儲存五天，其將 已經衰變，以致其濃度由近乎0.4%減少至近乎0.225%。當 需要一批過氧化氫時，處理器19被安排為用於活化電解單 0 元1，以將濃度帶回至一預定層級。圖6為顯示當單元在不 同的初始濃度處活化時，過氧化氫濃度之變化對時間之 ίο 圖。舉例來說，如果初始濃度為0.225%，其花費近乎一小 時以使濃度回到0.4%，其大大地短於由純水製造一批新鮮 的所需的兩個小時。此資料可由處理器使用，並以一簡單 的演算法決定單元1將花費多少時間來更新過氧化氫，以 便製造一批具有預定濃度的過氧化氫。 15 此系統示於圖7，如同應用至家用洗碗機形式之應用， 例如圖8所示。洗碗機22包含絕緣外櫃23，其包含槽座 ® 24，槽座24之前壁對其底邊為可旋轉的，以提供一門25 來作為槽座入口。形成裝載量之盤子、其他陶器、餐具及 器皿，放置在槽座内之架子中。一個架子26示於圖8，其 20 •位於槽座24之上部。典型地，另一個架子被設置在槽座24 之下部。水由喷嘴27、28喷灑於盤子上，喷嘴由一離心泵 驅動，而離心泵轉而由一電馬達提供動力。泵及馬達未示 於此圖式中。電解單元1、儲存槽12、14及過氧化氫製造 裝置之部分，可收容於應用中方便的位置，舉例來說，在 12 806573 才匱子下方的隔間或側壁之分隔中。 插入芊；：中’門25被打：，形成機器裝載量之盤子等被 ^子中。使用者可操作的操縱袭置29被設置於前面板 =’並被操作以啟減滌操作。機器注滿水，且加熱 達二?破日活化。當水溫足夠使装栽量她 驟。如且_動熱水至水霧喷嘴27、28以啟動一預洗步 =^，洗碗機之槽座指示為24並連接 來 於：求清楚，包含處理器 電解排洗碗機中之泵、閥及 與自來水總水管16連接之水軟化^ 32將來自 洗碗機之济你从士 少 季匕TO 33的水，直接引導至 15 座24中待、先:’此係初始化-預洗步驟，用以由在槽 驟發生時，已洗掉食物顆粒及其他污物。當預洗步 打入至電解單^ _極電解質槽12中之過氧化物溶液被 過變壓二’電解單元1以由市電電源供應所得之經 源供給能量。因此，產生過氧化氫之程 開二而是由已儲存的溶液中剩下的殘留濃度 止，σ在此批具有所需濃度之過氧化氫被製造為 上’洗碗機安排為啟動其主要洗滌步驟。 34被^ ^期間’連接至陰極電解質槽12之排水閥 i目的^t P過氧化氫係充當清潔槽座24中之 頁目的心劑。已發現，過氧化氫尤其適於洗滌玻璃器皿 20 200806573 類的項目，玻璃器皿可由於曝露至習用的清潔劑而變得刮 傷或渾濁。過氧化氫之另一優點為其衰變為氧及水，因而 當釋放至環境中時不會造成污染。 當此主要洗滌步驟發生時，陰極電解質槽12以來自自 5 來水總水管16之新鮮的軟化水補充。過氧化氫之製造程序 再度重新啟動，直到一批具有所需濃度之過氧化氫被製造 為止。此批過氧化氫接著儲存於陰極電解質槽12中，直到 φ 洗碗機再次運轉，在此時間點上，處理器19決定過氧化物 已經儲存的時間長度，並由此計算單元1需要運轉以取代 ίο 衰變的過氧化氫的時間。此時間可以，舉例來說，在控制 面板30上之一可視的顯示，來傳達給洗碗機的使用者。 當主要洗滌已經完成時，槽座24經由排水泵35流空， 並重新注滿經過加熱以沖洗裝載量之新鮮的水。在沖洗 後，槽座再次排水。亦可有一乾燥步驟。較佳地，乾燥步 15 驟包括一陣短的高速氣流，以迫使殘留的水脫離盤中凹 • 處，例如馬克杯之朝上的底部。此可由一段時間的安排為 乾燥盤子之較慢流動的空氣所接續。該空氣可經過加熱。 縮短更新一批過氧化氫所需時間之另一可實施的方法 牽涉到縮短其衰變率。經由縮短衰變率，——批已長時間儲 20 存之過氧化氫將具有較迄今可達成的更高的殘留濃度。此 可經由控制陰極電解質之pH來實現。已發現小於8.5之pH 使一批過氧化氫具有較慢的衰變率。圖5之圖顯示pH 8.11之過氧化氫之典型衰變。其花費近乎五天使濃度由近 乎0.4%減少至近乎0.225%。不過，如果pH大於8.5，此 14 200806573 衰變率會快得多。典型地，—批以pH 造之過氧化氫，花費半天由g.4%之濃度衰=在陰極處製 陰極電解質之pH可受到护制之—文0.225〇/〇。 =之PH’因為陰極電解質之;h的任何：為， 解貝之PH之成比例的變化。較佳的陽^^起陽極電 ，1及2 ϋ可經由使用硫酸鈉溶t、\PH值為 貝來達成。或者，軟化水可以使用。 乍為陽極電解 在電解單元1之活化㈣，陽極電解 自然地會由於，舉例來說， 、亚未用盡，但 10 15 20 以與槽中所容納的陽極電解質之洎 的耗損。經由 補充陽極電解質11，陽極電解質隨後的水 小。在圖7中，設置有陽極電解質槽閱36 =為最 來自自來水總水管16之水’分流至陽極電解質T排為使 較大量的水是需要的，此被添加入小量 、^14°如果 fHn^H在水每次攙，簡敎 PH之進-步穩定性，可經由以，舉例來說，使陽極之 槽14密封，來限制曝露陽極電解質至空氣而達成， 極電解質不需要這麼經常地被加滿。 更陽 本^已參照❹過氧化氫洗碗之自動洗碗機 不過，本發明具有❹應用。舉例來說，本發明可用= 他清潔操作，例如地板清潔應用，尤其是地毯清絜 在包含本發明之蒸氣清潔H或蒸㈣斗中，過氧^备 級過加熱，此被認為能增加其漂白效果。 、忌 過氧化氫具有料效果，gub本發明可作絲庭及工 15 200806573 業這兩者之使用，以省主_ 染、並作為洗手乳肥I:: 面牛處理傷口及感 此技藝者將係顯而易知的。月之進-步的應用對熟悉 【圖式簡單說明】 其中：Θ見將、1由觀例，並參照伴隨的圖式加以敘述， 圖1為一電解單元之圖式； ==於控制圖1之單元的導電率之系統之圖式； 円^、、、不圖1之單元中之電流變化之圖； c〗之單元中之過氧化氣濃度； η頒示過氧化氫之一典型衰變率之圖； 濃丄單元對不同的初始濃度之過氧化氮 15 20 圖7為根據本發明建構之用 中之過氧化氮之一系二用:儲存及補充圖1之單元 部分之單元及圖2及7之系統的應用櫃之 名稱 電解單元 陽極腔體 陰極腔體 主要元件符號說明 代表符號 1 2 3 16 200806573Moved to the cathode cavity 3 _ away; another +2 A ^ Liao ion and electrons, the cathode reduces oxygen from the air chamber 'two. By controlling this reaction 'simplifies hydrogen in the cathode cavity 3, there are individual electrolytes in it. The electrolyte associated with the cathode cavity 3 is referred to as a dangerous phase such as μ λα # , which is referred to as a cathode electrolyte 10. The electrolysis shell associated with the anode cavity is known as the anode electrolyte i^. In the prior electrolysis unit for the manufacture of hydrogen peroxide, a single type of 7200806573 electrolyte was used, which was common to both the anode and cathode cavities, and for convenience, it was typically a sodium chloride solution. However, in the electrochemical reaction of the anode, very toxic chlorine gas is produced and the use of such units in household applications, such as in - automatic dishwashers, is excluded. Other electrolytes have been proposed, but these are generally more cumbersome than sodium chloride solutions, and when hydrogen peroxide is produced, it must be recharged as the electrolyte in the cathode cavity is used up. This arrangement is based on considerations such as user safety, cost, availability, and efficacy, allowing the user to select the most appropriate electrolyte for each electrode. 10 15 20, before the Guangyuan 1 is activated, the cathode electrolyte 10 contains a sodium chloride solution. This is a convenient choice for catholyte electrolytes, especially in this type of application. This type of dishwasher typically has a - cavity, := salt, in which. Conventionally, this salt has been used to maintain the efficiency of washing dishes. The storage of this salt and the source of local tap water should always be provided as a source of convenient sodium chloride solution. sodium. The electrolyte 11 is a metal sulfate solution such as sulfuric acid, and the second coffee is used as an anode electrolyte. In the electrochemical reaction period, the atmosphere or the pole is manufactured, and the A gas can be released to the anode electrolyte UU in a harmless manner. In the electrolysis of hydrogen peroxide, the shellfish 11 is not used up and therefore does not need to be replenished. The anode 5 is consumed by the anode material A, which is not prepared in the anode cavity, by electrochemical reaction. A suitable electrolysis unit ΓίΓ gasification meter coated titanium oxide mesh. Used to say, face. The anode material produced by the minimum domain gas is exemplified by the fact that it is more expensive than the silver oxide-based anode. The b-electrode is selected so that no chlorine is produced at the anode, as 8 200806573 ίϋ:: These are cheaper materials. Another advantage is that the silver oxide is & the rate of \ ° has a lower resistance than the platinum anode, which improves the ion exchange of hydrogen peroxide. "Winter 1 〇, 1 w special film 4 is finally in place. The electrical contact between the electrolysis chambers in the individual chambers 2, 3, but the electrolyte is not allowed to be mixed. The agent is confirmed to be very small, which is a few centimeters wide. Therefore, a code ^ 4m ^ , & Xiao Xia Argon peroxide. Larger throughput can be achieved by a series connection of cells. Another method is to store the cathodic electrolyte in the cathode electrolyte storage tank 12 in a single opening to the solution. The reservoir electrolyte 10' is shown in Figure 2. The cathode has a capacity of several liters, typically nearly five liters, in use. Gas hydrogen peroxide is produced in the cathode chamber 3, and this peroxide cathode electrolyte is electrolyte. In the tank 12, by more than 15 20 . + as the generation. The cathode electrolyte is circulated in the cathode chamber 3 of the unit 1 = 丄 2 77 shells 12, and the hydrogen peroxide in the cathode electrolyte is concentrated for two days. By controlling the chemical reaction of the cathode θ, and via the unit i, the new, A very electrolyte, a batch of five liters of the required = 仏 gasification hydrogen solution can be manufactured from this. In typical (five) household and light industrial applications, it has been found that a concentration of almost α35% can satisfy most applications. The anode storage tank 容纳 accommodating the reservoir of the anolyte 11. The anode electrolyte tank 14 has a lower capacity, almost liter-liter. The pump 15 is used in the anode chamber 2 and the anode electrolyte single-ring anolyte η to provide - Batch of fresh ions to the electrochemical reaction in Zhiji 5, anolyte η is not used 9 200806573 Sister. Anode electrolyte u only need, supplement 'to replace the water that may have been from the storage of the water from the water main pipe 16 10 10 15 In order to increase the anodic electrolyte of the evaporation of the unit 4, the manufacturing rate, at the unit-foot rate, and thus the degree of hydrogen peroxide must be stabilized to maintain a density of drinking is necessary. The device 17 is set and controlled. Second, the manufacturing rate. The storage of the metal salt solution is used to transfer the salt solution of the unit into the cathode electrolyte embodiment for storage. The fascia is brought to the desired level. In this liquid, that is, the brine, the metal salt solution is the chloride-dissolved current sensor 18, and the current is expressed as the conductivity of the unit 。. The electric current-current converter generates a controller of the current sensor 18 package processor in the case of "Shanghai II". The signal for processing the intensity of the C stream is given a predetermined current value, and is based on this; Comparing the number = and one, 'between column 1 and the predetermined current value to control the pump 2G connected to the brine reservoir 17. If the current measured by the inductor 18 is lower than the predetermined value, the process is Arranged to activate the brine pump's in order to dispense - the amount of brine. The brine from the reservoir 17 enters a static mixed state 21' which forces the brine to mix with the cathode electrolyte that is driven into the electrolytic unit j by the cathode electrolyte tank 12. The mixed liquid leaving the static mixer 2 is then introduced into the unit 1 and its conductivity is immediately changed. Figure 3 is a graph showing the change in current detected at the converter during a typical conductivity control procedure. The predetermined current level is set to 16 amps. By increasing the internal metal ion concentration in the manner described above, the conductivity of the cell increases sharply, so that the cell reaches the current level required for 20 200806573 in a matter of minutes. The "period monitoring of the brine solution is followed by the maintenance of all the cycles; and has two manufacturing-batch hydrogen peroxides. The conductivity of unit 1 dynamically changes the flow level error. Due to conditions (eg: yin The air pressure at the pole; the temperature of the operation of the two units themselves and the quality of the water supply). The pressure-free variation, the electrolyte processor 19 can be arranged as a material. The abnormal conductivity change can be used for the device. The conductivity rate monitored first can be used to help alert the user or technician to 曰 = indication, so the data shown in Figure 4 shows the cathode electrolyte 1::. During recirculation, unit i is in the cathode electrolyte tank 12 and the unit and hydrogen peroxide is produced in two hours. The manufacturing rate is stable, although this is the concentration required for a fairly fast peroxygen t. 15 It may be slow to use. :; oxygen tolerance, rate, for some users, must be used in automatic dishwashers, hydrogen is used for washing-loading, sufficient peroxidation 12 is arranged for Save - batch by single ^ ^. Catholyte Tanks Hydrogen peroxide is known to pass dichloride over a period of several days. However, over 20 oxidized chlorine is not used during this time, and the hydrogen peroxide in the electrolyte (4) is stored in the cathode hand, and the content of the product is added through the unit: The hydrogen peroxide produced is brought to the desired concentration. Hydrogen peroxide is initiated via a catholyte with a human = emulsified hydrogen solution. J = over 200806573 Hydrogen peroxide having the desired concentration can be manufactured faster than starting the process via fresh water as the cathode electrolyte. Processor 19 is arranged to monitor the length of time that stored hydrogen peroxide has been contained in tank 12. Fig. 5 is a graph showing a typical fading rate of hydrogen peroxide. For example, if hydrogen peroxide has been stored for five days, it will have decayed so that its concentration is reduced from nearly 0.4% to nearly 0.225%. When a batch of hydrogen peroxide is required, processor 19 is arranged to activate electrolysis unit 0 to bring the concentration back to a predetermined level. Figure 6 is a graph showing the change in hydrogen peroxide concentration versus time when the cells are activated at different initial concentrations. For example, if the initial concentration is 0.225%, it takes nearly one hour to bring the concentration back to 0.4%, which is much shorter than the two hours required to make a batch of fresh from pure water. This data can be used by the processor and uses a simple algorithm to determine how much time unit 1 will take to update hydrogen peroxide to produce a batch of hydrogen peroxide having a predetermined concentration. 15 This system is shown in Figure 7, as applied to the application in the form of a domestic dishwasher, such as shown in Figure 8. The dishwasher 22 includes an insulated outer cabinet 23 that includes a housing ® 24 on which the front wall of the housing 24 is rotatable to provide a door 25 as a housing inlet. Plates, other pottery, cutlery, and utensils that form the load are placed in a shelf in the housing. A shelf 26 is shown in Figure 8, which is located on the upper portion of the housing 24. Typically, another shelf is disposed below the housing 24. Water is sprayed onto the plate by nozzles 27, 28 which are driven by a centrifugal pump which is in turn powered by an electric motor. Pumps and motors are not shown in this figure. The electrolysis unit 1, the storage tanks 12, 14 and portions of the hydrogen peroxide production unit can be housed in a convenient location in the application, for example, in the partition of the compartment or side wall below the raft under 12 806573. Insert 芊;: The middle door 25 is hit: the plate that forms the load of the machine is in the middle. A user operable steering device 29 is placed on the front panel =' and is operated to initiate a decontamination operation. The machine is filled with water and heated up to two days. When the water temperature is enough to make the loading of her. If and _ hot water to the water mist nozzles 27, 28 to initiate a pre-wash step = ^, the dishwasher seat indication is 24 and connected to: clear, including the pump in the processor electrolytic row of dishwasher , valve and water connected to the tap water pipe 16 softened ^ 32 will be from the dishwasher, you can direct the water from the Shi Shao Ji 匕 TO 33, directly to the 15 seat 24 to wait, first: 'This system initialization - pre-wash The step is to wash away food particles and other contaminants when the trough occurs. When the pre-washing step, the peroxide solution which is driven into the electrolysis cell 12 is subjected to the pressure-dependent two electrolysis unit 1 to supply energy from the source supplied from the commercial power source. Therefore, the process of generating hydrogen peroxide is opened instead of the residual concentration remaining in the stored solution, and σ in this batch of hydrogen peroxide having the desired concentration is made into a 'dishwasher arrangement to start its main Washing step. 34 is connected to the drain valve of the cathode electrolyte tank 12 during the period of ^. The purpose of the hydrogen peroxide system serves as a bolus for cleaning the bath seat 24. Hydrogen peroxide has been found to be particularly suitable for the washing of glassware 20 200806573, which can become scratched or turbid due to exposure to conventional cleaning agents. Another advantage of hydrogen peroxide is that it decays into oxygen and water, so it does not cause pollution when released into the environment. When this primary washing step occurs, the catholyte tank 12 is replenished with fresh demineralized water from the water mains 16. The hydrogen peroxide production process is restarted until a batch of hydrogen peroxide having the desired concentration is produced. This batch of hydrogen peroxide is then stored in the cathode electrolyte tank 12 until the φ dishwasher is again operated, at which point the processor 19 determines the length of time the peroxide has been stored, and thus the calculation unit 1 needs to be operated. Replace ίο decay time with hydrogen peroxide. This time can be, for example, visually displayed on one of the control panels 30 to be communicated to the user of the dishwasher. When the main wash has been completed, the tank 24 is emptied via the drain pump 35 and refilled with fresh water that has been heated to flush the load. After rinsing, the tank is drained again. There may also be a drying step. Preferably, the drying step 15 includes a short stream of high velocity gas to force the residual water out of the recesses in the tray, such as the upwardly facing bottom of the mug. This can be contiguous with the slower flowing air of the dry tray for a period of time. This air can be heated. Another implementable method of reducing the time required to update a batch of hydrogen peroxide involves shortening its decay rate. By shortening the decay rate, the batch of hydrogen peroxide that has been stored for a long time will have a higher residual concentration than is achievable to date. This can be achieved by controlling the pH of the catholyte. It has been found that a pH of less than 8.5 gives a batch of hydrogen peroxide a slower decay rate. Figure 5 is a graph showing the typical decay of hydrogen peroxide at pH 8.11. The cost of the nearly five angels decreased from nearly 0.4% to nearly 0.225%. However, if the pH is greater than 8.5, the 14 200806573 decay rate will be much faster. Typically, the batch is hydrogen peroxide at pH, which takes half a day to decay from a concentration of g. 4% = the pH of the cathode electrolyte at the cathode can be protected by 0.225 〇/〇. = PH' because of the cathode electrolyte; any of h: is the change in the proportion of PH of the shellfish. The preferred positive electrode, 1 and 2 ϋ can be achieved by using sodium sulfate to dissolve t and \PH value. Alternatively, demineralized water can be used.乍 is anodic electrolysis in the activation of electrolysis unit 1 (4), anodic electrolysis naturally due to, for example, sub-exhaustion, but 10 15 20 to deplete the anodic electrolyte contained in the tank. The anodic electrolyte subsequently has a small water via the supplemental anolyte 11. In Fig. 7, an anode electrolyte tank is provided 36 = the water from the tap water main pipe 16 is shunted to the anode electrolyte T row so that a larger amount of water is required, which is added to a small amount, ^ 14 ° if fHn^H is achieved every time in water, and the stability of the pH can be achieved by, for example, sealing the anode tank 14 to limit the exposure of the anode electrolyte to the air. The electrolyte does not need to be so often. The ground is filled up. More yang This is an automatic dishwasher that has been washed with hydrogen peroxide. However, the present invention has a sputum application. For example, the present invention may be used for his cleaning operations, such as floor cleaning applications, particularly carpet cleaning, in a steam cleaning H or steaming (four) bucket comprising the present invention, which is considered to increase its over-oxidation level. Bleaching effect. , avoid the effect of hydrogen peroxide, gub this invention can be used as the silk court and work 15 200806573 industry, to save the main _ dye, and as a hand-washing milk I:: face cattle to treat wounds and feel this skill It will be obvious and easy to understand. The application of the month-step is familiar with the simple description of the figure. Among them: seeing the 将, 1 is the example, and referring to the accompanying pattern, Figure 1 is a diagram of an electrolytic unit; == in the control chart A diagram of the system of conductivity of a unit; 円^,,, a graph of current changes in a cell of Figure 1; a concentration of peroxygen gas in a cell of c; η a typical decay of hydrogen peroxide Figure of the rate; concentrated nitrogen to different initial concentrations of nitrogen peroxide 15 20 Figure 7 is one of the uses of nitrogen peroxide in the construction of the present invention: storage and supplement of the unit of Figure 1 unit and diagram The name of the application cabinet of the system of 2 and 7 Electrolytic unit Anode cavity Cathode cavity Main component Symbol Description Representation symbol 1 2 3 16 200806573
4 中間薄膜 5 陽極 6 陰極 7 空氣腔體 8 泵 9 直流電源供應 10 第二電解質 11 第一電解質 12 陰極電解質儲存槽 13 陰極電解質泵 14 陽極電解質儲存槽 15 泵 16 自來水總水管 17 貯存器 18 電流感應器 19 處理器 20 泵 21 靜態混合器 22 洗碗機 23 絕緣外樞 24 槽座 25 門 26 架子 27 喷嘴 200806573 28 喷嘴 29 使用者可操作的操縱裝置 30 前面板 31 加熱元件 32 水流分流裔 33 水軟化器 34 排水閥 35 排水栗 36 陽極電解質槽閥4 Intermediate film 5 Anode 6 Cathode 7 Air chamber 8 Pump 9 DC power supply 10 Second electrolyte 11 First electrolyte 12 Catholyte storage tank 13 Catholyte pump 14 Anode electrolyte storage tank 15 Pump 16 Tap water main 17 Storage 18 Current Inductor 19 Processor 20 Pump 21 Static mixer 22 Dishwasher 23 Insulated outer hub 24 Slot 25 Door 26 Shelf 27 Nozzle 200806573 28 Nozzle 29 User-operable controls 30 Front panel 31 Heating element 32 Water flow descent 33 Water softener 34 drain valve 35 drain pump 36 anode electrolyte tank valve
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