TWI787941B - Exhaust gas purification system - Google Patents
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Abstract
一種廢氣淨化系統,適用於淨化廢氣,並包含一個淨化設備,及一個捕捉設備。該淨化設備包括一個界定出一個淨化空間的淨化容器、至少一個可被驅動而活動地將所述廢氣注入該淨化空間的進氣部,及至少一個將經過淨化後的所述廢氣排出該淨化空間的排氣部。該捕捉設備安裝於該淨化容器,並包括至少一個設置於該淨化空間中且能以黏膠沾黏所述廢氣內之懸浮微粒的捕捉件。其中該至少一個進氣部可被驅動而活動,或者可間歇地噴氣且噴氣的時間不大於60秒,暫歇的時間不大於30分鐘,該廢氣淨化系統藉由上述設計,可具有優良的廢氣淨化效果。A waste gas purification system is suitable for purifying waste gas and includes a purification device and a capture device. The purification equipment includes a purification container defining a purification space, at least one intake part that can be driven to actively inject the exhaust gas into the purification space, and at least one discharge the purified exhaust gas out of the purification space exhaust section. The capture device is installed in the purification container, and includes at least one capture piece arranged in the purification space and capable of sticking the suspended particles in the exhaust gas with glue. Wherein the at least one air intake part can be driven to move, or can inject air intermittently and the injection time is not more than 60 seconds, and the pause time is not more than 30 minutes. The exhaust gas purification system can have excellent exhaust gas by the above design. Purifying effect.
Description
本發明是有關於一種廢氣處理設備,特別是指一種適用於淨化廢氣之廢氣淨化系統。The invention relates to a waste gas treatment equipment, in particular to a waste gas purification system suitable for purifying waste gas.
隨著工業的發展,許多工廠會針對高溫加工作業所需的高溫環境架設一個用於燃燒燃料的廢氣產生設備,這類廢氣產生設備所使用之燃料通常為燃煤或石化燃料,會產生大量的廢氣,這類廢氣通常含有粒狀污染物、硫氧化物、氫氧化物…等有害物質,除此之外,目前市面上還有其它廢氣產生設備例如交通工具,為了避免所述廢氣產生設備運作過程產生的廢氣(煙)直接排放到外界而污染大氣環境,相關環保法規都有規定這類廢氣產生設備產生的廢氣(煙)排放標準,所以業者通常都會在這些廢氣產生設備上安裝一個廢氣處理設備,該廢氣處理設備具有一個用以淨化所述廢氣的廢氣淨化系統,而目前業者已研發出多種廢氣淨化系統。With the development of industry, many factories will set up an exhaust gas generation equipment for burning fuel in the high temperature environment required for high temperature processing operations. The fuel used in this type of exhaust gas generation equipment is usually coal or fossil fuels, which will generate a large amount of Exhaust gas, this type of exhaust gas usually contains harmful substances such as particulate pollutants, sulfur oxides, hydroxides, etc. In addition, there are currently other exhaust gas generating equipment such as vehicles on the market. In order to avoid the operation of the exhaust gas generating equipment The exhaust gas (smoke) produced in the process is directly discharged to the outside and pollutes the atmospheric environment. Relevant environmental protection laws and regulations have stipulated the exhaust gas (smoke) emission standards generated by such exhaust gas generating equipment, so the industry usually installs an exhaust gas treatment on these exhaust gas generating equipment. Equipment, the exhaust gas treatment equipment has an exhaust gas purification system for purifying the exhaust gas, and currently the industry has developed a variety of exhaust gas purification systems.
就中國第CN103212257號發明專利公開的一種用於清除PM2.5的氣體淨化裝置而言,其包含一中空的殼體,及一安裝在該殼體中且表面流動分布有黏液的黏液壁,該殼體具有相間隔的一進氣口與一排氣口,雖然藉由該黏液壁上的黏液,能黏附從該進氣口進入之待淨化氣體中的PM2.5及PM10等懸浮微粒,並讓淨化後的氣體自該排氣口排出,但因其黏液黏附所述懸浮微粒的捕捉能力不佳,淨化效果有限,因此設計上仍有待改進。As far as the gas purification device for removing PM2.5 disclosed in China Patent No. CN103212257 is concerned, it includes a hollow shell, and a mucus wall installed in the shell with mucus flowing on the surface. The casing has an air inlet and an exhaust port spaced apart, although the mucus on the mucus wall can adhere to suspended particles such as PM2.5 and PM10 in the gas to be purified entering from the air inlet, and Let the purified gas be discharged from the exhaust port, but because of the poor ability to capture the suspended particles due to the sticky mucus, the purification effect is limited, so the design still needs to be improved.
因此,本發明的目的,即在提供一種至少能夠克服先前技術的缺點的廢氣淨化系統。It is therefore an object of the present invention to provide an exhaust gas purification system which at least overcomes the disadvantages of the prior art.
於是,本發明廢氣淨化系統,適用於淨化廢氣,並包含一個淨化設備,及一個捕捉設備。該淨化設備包括一個界定出一個淨化空間的淨化容器、至少一個可被驅動而活動地將所述廢氣注入該淨化空間的進氣部,及至少一個將經過淨化後的所述廢氣排出該淨化空間的排氣部。該捕捉設備安裝於該淨化容器,並包括至少一個設置於該淨化空間中且能以黏膠沾黏所述廢氣內之懸浮微粒的捕捉件。Therefore, the waste gas purification system of the present invention is suitable for purifying waste gas, and includes a purification device and a capture device. The purification equipment includes a purification container defining a purification space, at least one intake part that can be driven to actively inject the exhaust gas into the purification space, and at least one discharge the purified exhaust gas out of the purification space exhaust section. The capture device is installed in the purification container, and includes at least one capture piece arranged in the purification space and capable of sticking the suspended particles in the exhaust gas with glue.
另外,本發明廢氣淨化系統,適用於淨化廢氣,並包含一個淨化設備,及一個捕捉設備。該淨化設備包括一個界定出一個淨化空間的淨化容器、至少一個可間歇地將所述廢氣注入該淨化空間的進氣部,及至少一個將經過淨化後的所述廢氣排出該淨化空間的排氣部,該至少一個進氣部噴氣的時間不大於60秒,暫歇的時間不大於30分鐘。該捕捉設備安裝於該淨化容器,並包括至少一個設置於該淨化空間中且能以黏膠沾黏所述廢氣內之懸浮微粒的捕捉件。In addition, the waste gas purification system of the present invention is suitable for purifying waste gas, and includes a purification device and a capture device. The purification equipment includes a purification container defining a purification space, at least one air intake part capable of intermittently injecting the waste gas into the purification space, and at least one exhaust gas for discharging the purified waste gas out of the purification space part, the time of the at least one air intake part is not more than 60 seconds, and the time of pause is not more than 30 minutes. The capture device is installed in the purification container, and includes at least one capture piece arranged in the purification space and capable of sticking the suspended particles in the exhaust gas with glue.
本發明的功效在於:該廢氣淨化系統藉由所述捕捉設備的設置,可充分妥善地淨化所述廢氣,有助於提高廢氣淨化效率。The efficacy of the present invention lies in that the waste gas purification system can fully and properly purify the waste gas through the installation of the capture device, which helps to improve the efficiency of waste gas purification.
在本發明被詳細描述以前,應當注意在以下的說明內容中,類似的元件是以相同的編號來表示。Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.
參閱圖1、2,本發明廢氣淨化系統的一第一實施例,適用於連接一個廢氣產生設備(圖未示),可用以將該廢氣產生設備排放的廢氣經過淨化處理後再排出。該廢氣淨化系統包含一個淨化設備1、一個捕捉設備2,及一個控制設備3。Referring to Figures 1 and 2, a first embodiment of the waste gas purification system of the present invention is suitable for connecting with a waste gas generating device (not shown), and can be used to discharge the waste gas discharged from the waste gas generating device after purification treatment. The exhaust gas purification system includes a purification device 1 , a
該淨化設備1包括一個界定出一個淨化空間11的淨化容器12、一個與該廢氣產生設備管路連接且能將該廢氣產生設備排放的所述廢氣注入該淨化空間11的進氣部13,及一個將經過淨化後的所述廢氣排出該淨化空間11的排氣部14。另外,該淨化設備1還可以包括一個安裝在該排氣部14處用以協助排除經過淨化後之廢氣的抽風扇15,但該抽風扇15並非本第一實施例之必要構造。The purification equipment 1 comprises a
該進氣部13為一個設置在該淨化容器12內的噴嘴,可以被該控制設備3控制而作動(容後詳述),該排氣部14為一個設置在該淨化容器12上的出口,在本第一實施例中該進氣部13位在該捕捉設備2的上方,該排氣部14位在該捕捉設備2的下方,但設計上其設置位置及設置方向不以此為限。該進氣部13及該排氣部14都設有開關閥,各自可被控制開啟或關閉,而且所述進氣部13、所述排氣部14的數目都不限於一個,依實際需求可以是兩個、三個、四個…等。The
該捕捉設備2安裝於該淨化容器12內,並包括一個設置於該淨化空間11中且能以黏膠沾黏所述廢氣內之懸浮微粒的捕捉件21、一個可用於驅動該捕捉件21作動的驅動裝置22,及一個將黏膠噴灑在該捕捉件21表面的供膠件23。本第一實施例之該捕捉件21為一個可被驅動而圈迴經過所述進氣部13下方的帶體,當然其設計也可以改變,例如該捕捉件21也可以替換成一般的膠帶、具有離型紙的膠帶、黏膠液或其他構造,若是該捕捉件21本身即為具有黏性的構造,甚至可以省略該供膠件23的設置。本第一實施例之該驅動裝置22具有兩個可同步轉動以帶動該捕捉件21的轉軸221,但該驅動裝置22的構造可隨著該捕捉件21的設計不同而改變,在此不再說明。The
而該供膠件23可以連續噴膠或間歇噴膠,在設計上該供膠件23為固定設置,當然也可以被驅動往復、循環或旋轉經過該捕捉件21上方,而且也可以塗布或其他方式將該黏膠設置在該捕捉件21表面,不受限於本第一實施例。要注意的是,所述捕捉件21及所述供膠件23的數目都不限於一個,依實際需求可以是兩個、三個、四個…等。The
該控制設備3包括一個安裝在該淨化空間11中的偵測模組31,及一個訊號連接該偵測模組31與該進氣部13的控制模組32。該偵測模組31可用以偵測該淨化空間11內的廢氣品質並對應產生一個偵測訊號。該控制模組32會接收分析該偵測訊號,並藉以控制調整該進氣部13之噴氣流速,能被控制連續噴氣或間歇噴氣,且當其設定間歇噴氣時,噴氣的時間不大於60秒,暫歇的時間不大於30分鐘,暫歇時可讓因噴氣擾流浮動的懸浮微粒,有充分的時間緩緩靜置下來,進而能沾附黏著在該捕捉件21表面,有效提升淨化效果。The
該控制設備3還包括一個連接該進氣部13且用於驅動該進氣部13活動的驅動件33,設計上該控制模組32也可藉以控制該驅動件33調整該進氣部13的動作,使得該進氣部13可被驅動而活動地沿著可改變與該捕捉件21表面的距離的方向移動,也就是可以相對於該捕捉件21上下地直立、傾斜或曲線移動,而且可以往復、循環或旋轉的方式經過該捕捉件21上方,在本第一實施例中該驅動件33具體為一個設置在該淨化容器12內的滑軌器,當然實施上也可以為線性致動器、導桿氣壓缸…等。而且該控制模組32還可以訊號連接該驅動裝置22,可以依據該偵測訊號的資訊處理,發訊控制該驅動裝置22的作動速度。此外,該控制模組32還可以控制該供膠件23的作動,以及該排氣部14的開啟與關閉,在此不再說明。The
使用時,該供膠件23會將所述黏膠噴灑在該捕捉件21表面,藉以補充並更新該捕捉件21的沾黏性,該進氣部13被驅動而會活動地將需要淨化的所述廢氣噴至該捕捉件21表面,該捕捉件21即會沾黏並捕捉所述廢氣內之懸浮微粒例如PM2.5粉塵,進行所述廢氣的淨化處理,該偵測模組31會即時偵測該淨化空間11中的廢氣品質,也就是偵測該廢氣中的懸浮微粒濃度,並對應產生該偵測訊號,而該控制模組32會接收並分析該偵測訊號,並對應控制該淨化設備1和該捕捉設備2作動:當該控制模組32判斷廢氣品質不佳時,可縮短該進氣部13噴氣的時間,或是減小該進氣部13之噴氣流速甚至是停止噴氣,或是驅動該進氣部13靠近該捕捉件21表面,或是驅使該驅動裝置22增速作動;而當該控制模組32判斷廢氣品質佳時,可延長該進氣部13噴氣的時間,或是加大該進氣部13之噴氣流速,或是驅動該進氣部13遠離該捕捉件21表面,或是驅使該驅動裝置22減速作動甚至是停止作動。如此一來即能充分有效率地捕捉所述懸浮微粒,直到判斷廢氣品質已達一淨化標準時,再控制該排氣部14開啟,將經過淨化後的所述廢氣排出。When in use, the
值得一提的是,該第一實施例的所述控制模組32,還會比對判斷所述廢氣進出該淨化空間11前後的廢氣品質,並輸出一個所述廢氣淨化前後的空氣污染指數或是廢氣淨化率等比對訊號。而該控制設備3還可以包括一個訊號連接該控制模組32並可供該比對訊號顯示的顯示器(圖未示),能讓使用者或消費者得知廢氣品質的改善效果。It is worth mentioning that the
參閱圖3,本發明廢氣淨化系統的一第二實施例之構造大致相同於該第一實施例,其差別在於:該廢氣淨化系統還包含一個環控設備4,該環控設備4包括一個可用來調節使該進氣部13注入廢氣的溫度達一定溫度值的溫控裝置41,及一個可用來調節使該進氣部13注入廢氣的濕度達一定濕度值的濕控裝置42。使用時可藉以調控所注入廢氣的溫度及濕度,達到黏膠的最佳黏性,能提高懸浮微粒被沾黏捕捉的淨化效率。在本第二實施例的其他變化態樣中,該溫控裝置41與該濕控裝置42也可以擇一啟動或單獨設置,當然該環控設備4還可以包括其他用來調控環境的裝置,由於該環控設備4的設置位置及構造作動並非本發明重點,所以在此不再說明。Referring to Fig. 3, the structure of a second embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference is that the exhaust gas purification system also includes an environmental control device 4, and the environmental control device 4 includes an available A
參閱圖4,本發明廢氣淨化系統的一第三實施例之構造大致相同於該第一實施例,其差別在於:該進氣部13的移動方式不同,本第三實施例之該進氣部13可被該驅動件33驅動而活動地沿著該捕捉件21的表面移動經過,也就是可以相對於該捕捉件21左右地水平、傾斜或曲線移動,當然該進氣部13的移動設計也可以與該第一實施例的移動設計併合,也就是該進氣部13可以左右移動,也可以上下移動。Referring to Fig. 4, the structure of a third embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference being that the moving mode of the
參閱圖5,本發明廢氣淨化系統的一第四實施例之構造大致相同於該第一實施例,其差別在於:該進氣部13的作動方式不同,本第四實施例之該進氣部13可被該驅動件33驅動而改變相對於該捕捉件21表面的角度,本第四實施例之該驅動件33具體為一個旋轉軸,當然在設計上,其也可以與該第一實施例及該第三實施例的其中至少一個移動設計併合,也就是該進氣部13可以轉動調整角度、可以左右移動,也可以上下移動。Referring to Fig. 5, the structure of a fourth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference being that the actuation mode of the
參閱圖6,本發明廢氣淨化系統的一第五實施例之構造大致相同於該第一實施例,其差別在於:該進氣部13的型態改變,可對應該捕捉件21增加噴氣位置及噴氣面積,本第五實施例之該進氣部13具有數個沿著該捕捉件21的表面設置的噴孔131,故可提高淨化效率。Referring to Fig. 6, the structure of a fifth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference being that the type of the
參閱圖7,本發明廢氣淨化系統的一第六實施例之構造大致相同於該第一實施例,其差別在於:該進氣部13的數量改變,可對應該捕捉件21增加噴氣位置及噴氣面積,本第五實施例之該淨化設備1包括數個該進氣部13,該等進氣部13沿著該捕捉件21的表面排列,而且每一個該進氣部13具有一個該噴孔131,故可提高淨化效率。當然本第六實施例之每一個該進氣部13也可以設計成具有多個該噴孔131,在此不再說明。Referring to Fig. 7, the structure of a sixth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference being that the number of the
參閱圖8,本發明廢氣淨化系統的一第七實施例之構造大致相同於該第一實施例,其差別在於:該淨化設備1還包括一個橫向突設在所述進氣部13之噴孔131上方的反射部16,可以延長懸浮微粒浮動在該捕捉件21與該反射部16之間的時間,以增加該捕捉件21沾黏懸浮微粒的機會。要注意的是,所述反射部16的數目不限於一個,依實際需求可以是兩個、三個、四個…等。本第七實施例之該捕捉件21為一個固定設置在該進氣部13下方的帶體,故可省略該驅動裝置22(見圖1)的設置,當然使用上還可以依需要替換新的該捕捉件21,另外須說明的是,該捕捉件21也可以變更設計,例如改成該第一實施例的該捕捉件21或其他構造。Referring to Fig. 8, the structure of a seventh embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference being that the purification device 1 also includes a spray hole protruding from the
參閱圖9,本發明廢氣淨化系統的一第八實施例之構造大致相同於該第七實施例,其差別在於:該反射部16具有一個能以黏膠沾黏所述廢氣內之懸浮微粒的接著面161,可以增加捕捉懸浮微粒的機會。Referring to Fig. 9, the structure of an eighth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the seventh embodiment, the difference being that the
參閱圖10,本發明廢氣淨化系統的一第九實施例之構造大致相同於該第一實施例,其差別在於:該捕捉設備2的構造不同,該驅動裝置22還具有一個圈套在該等轉軸221外圍且可被帶動而移動的輸送件222,該捕捉設備2包括數個被移送至該輸送件222上且被該輸送件222帶動而經過該進氣部13下方的該捕捉件21,每一個該捕捉件21為一片表面設有黏膠且能用於沾黏懸浮微粒的板體。當然該捕捉設備2也可以變更設計,例如改成圖8的該捕捉件21。而本第九實施例之該進氣部13則能將所述廢氣間歇且輪流地噴在該等捕捉件21表面。須說明的是,該廢氣淨化系統還可以包含一個將所述捕捉件21送至該輸送件222上的送料設備(圖未示),及一個用於回收沾滿懸浮微粒之所述捕捉件21的回收設備(圖未示),但因所述送料設備及所述回收設備並非本發明重點,所以在此不再說明。Referring to Fig. 10, the structure of a ninth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference is that the structure of the
綜上所述,本發明廢氣淨化系統,藉由所述捕捉設備2的沾黏式捕捉設計,可充分妥善地淨化所述廢氣,有助於提高廢氣淨化效率,是一種相當創新實用的創作,因此,確實能達成本發明的目的。To sum up, the exhaust gas purification system of the present invention can fully and properly purify the exhaust gas through the sticky capture design of the
惟以上所述者,僅為本發明的實施例而已,當不能以此限定本發明實施的範圍,凡是依本發明申請專利範圍及專利說明書內容所作的簡單的等效變化與修飾,皆仍屬本發明專利涵蓋的範圍內。But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.
1:淨化設備 11:淨化空間 12:淨化容器 13:進氣部 131:噴孔 14:排氣部 15:抽風扇 16:反射部 161:接著面 2:捕捉設備 21:捕捉件 22:驅動裝置 221:轉軸 222:輸送件 23:供膠件 3:控制設備 31:偵測模組 32:控制模組 33:驅動件 4:環控設備 41:溫控裝置 42:濕控裝置 1: Purification equipment 11: Purify the space 12: Purification container 13: Air intake 131: nozzle hole 14: exhaust part 15: Exhaust fan 16: Reflection Department 161: Next face 2: capture device 21: Capture pieces 22: Drive device 221: Shaft 222: Conveyor 23: Glue supply parts 3: Control equipment 31:Detection module 32: Control module 33: Driver 4: Environmental control equipment 41:Temperature control device 42: Humidity control device
本發明的其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: 圖1是本發明廢氣淨化系統的一第一實施例的一不完整的剖視示意圖; 圖2是該第一實施例的一功能方塊圖; 圖3是本發明廢氣淨化系統的一第二實施例的一功能方塊圖; 圖4是本發明廢氣淨化系統的一第三實施例的一不完整的剖視示意圖; 圖5是本發明廢氣淨化系統的一第四實施例的一不完整的剖視示意圖; 圖6是本發明廢氣淨化系統的一第五實施例的一不完整的剖視示意圖; 圖7是本發明廢氣淨化系統的一第六實施例的一不完整的剖視示意圖; 圖8是本發明廢氣淨化系統的一第七實施例的一不完整的剖視示意圖; 圖9是本發明廢氣淨化系統的一第八實施例的一不完整的剖視示意圖;及 圖10是本發明廢氣淨化系統的一第九實施例的一不完整的剖視示意圖。 Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is an incomplete cross-sectional schematic diagram of a first embodiment of the exhaust gas purification system of the present invention; Fig. 2 is a functional block diagram of the first embodiment; Fig. 3 is a functional block diagram of a second embodiment of the exhaust gas purification system of the present invention; Fig. 4 is an incomplete cross-sectional schematic view of a third embodiment of the exhaust gas purification system of the present invention; Fig. 5 is an incomplete cross-sectional schematic view of a fourth embodiment of the exhaust gas purification system of the present invention; Fig. 6 is an incomplete cross-sectional schematic view of a fifth embodiment of the exhaust gas purification system of the present invention; Fig. 7 is an incomplete cross-sectional schematic diagram of a sixth embodiment of the exhaust gas purification system of the present invention; Fig. 8 is an incomplete cross-sectional schematic diagram of a seventh embodiment of the exhaust gas purification system of the present invention; Fig. 9 is an incomplete cross-sectional schematic view of an eighth embodiment of the exhaust gas purification system of the present invention; and Fig. 10 is an incomplete cross-sectional schematic diagram of a ninth embodiment of the exhaust gas purification system of the present invention.
1:淨化設備 1: Purification equipment
11:淨化空間 11: Purify the space
12:淨化容器 12: Purification container
13:進氣部 13: Air intake
14:排氣部 14: exhaust part
15:抽風扇 15: Exhaust fan
2:捕捉設備 2: capture device
21:捕捉件 21: Capture pieces
22:驅動裝置 22: Drive device
221:轉軸 221: Shaft
23:供膠件 23: Glue supply parts
3:控制設備 3: Control equipment
33:驅動件 33: Driver
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Citations (5)
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WO1982000439A1 (en) * | 1980-08-01 | 1982-02-18 | O Engwall | Apparatus for air cleaning in conjunction with spray painting |
TW200528176A (en) * | 2003-12-19 | 2005-09-01 | Sintokogio Ltd | Cartridge element for dust collector |
US20110214565A1 (en) * | 2006-11-10 | 2011-09-08 | Illinois Tool Works Inc. | Impact filter with grease trap |
CN103212257A (en) * | 2013-03-22 | 2013-07-24 | 顾怀宇 | Gas purification device for removing PM2.5 |
US20200094272A1 (en) * | 2017-08-04 | 2020-03-26 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
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2020
- 2020-12-17 TW TW110129049A patent/TWI787941B/en active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1982000439A1 (en) * | 1980-08-01 | 1982-02-18 | O Engwall | Apparatus for air cleaning in conjunction with spray painting |
TW200528176A (en) * | 2003-12-19 | 2005-09-01 | Sintokogio Ltd | Cartridge element for dust collector |
US20110214565A1 (en) * | 2006-11-10 | 2011-09-08 | Illinois Tool Works Inc. | Impact filter with grease trap |
CN103212257A (en) * | 2013-03-22 | 2013-07-24 | 顾怀宇 | Gas purification device for removing PM2.5 |
US20200094272A1 (en) * | 2017-08-04 | 2020-03-26 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
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