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      高效過濾器檢漏流程

      來源: 時間:2014-11-06 16:52:42 瀏覽次數:

      檢漏的目的:
      1.高效空氣過濾器的材料無破損;
      2.安裝恰當。

         高效過濾器本身的過濾效率一般由生產廠家檢測,出廠時附有濾器過濾效率報告單和合格證明。對製藥企業來說,高效過濾器檢漏是指高效過濾器及其係統安裝後的現場檢漏,主要是檢查過濾器濾材中的小針孔和其他損壞,如框架密封、墊圈密封以及過濾器構架上的漏縫等。檢漏的目的是通過檢查高效過濾器及其與安裝框架連接部位等處的密封性,及時發現高效過濾器本身及安裝中存在的缺陷,采取相應的補救措施,保證區域的潔淨度。


      高效過濾器檢漏的方法
         高效空氣過濾器泄漏測試基本上是把挑戰微粒施放在高效空氣過濾器上遊,然後在高效空氣過濾器表麵與邊框用微粒探測儀器搜尋有無泄漏。泄漏測試有幾種不同的方式,適用在不同的場合。

      測試方式有:

      1.氣膠光度計測試法
      2. 微粒計數器測試法
      3.全效率測試法
      4.外氣測試法

      說明如下。

      PAO檢漏屬於氣溶膠光度計測試法
      氣溶膠光度計:
         氣膠光度計測試法是最早期的測試方式,但是因為效果非常好,到今天仍舊沿用。
         氣膠光度計(Aerosol Photometer)是微粒計數器的一種,也是使用雷射科技,但是它在掃描空氣樣本的微粒之後,所給的是微粒的總體強度,不是微粒數目。DOP是一種油性化學物質,加壓或加熱霧化之後,可以產生次微米等級的微粒,可用來仿真無塵室的微粒,因此被當成驗證微粒。 泄漏的定義是泄漏出上遊濃度萬分之一,由於氣膠光度計可以直接顯示上下遊微粒濃度的比值,因此掃描高效空氣過濾器非常方便。也正因其準確、可靠,美國食品與藥品管製局(FDA)規定,在其管轄範圍內(食品加工場所與醫療製藥場所),所有的高效空氣過濾器泄漏測試必須使用DOP與氣膠光度計。


          一段時間以來,因被懷疑對人有致癌作用,現常以 DOS ( Dioctylsebaeate 癸二酸二辛脂)亦稱 DEHS[di(2-ethylexyl)sebacate] 及 PAO(polyaphaolefin 聚 a 烯烴)等代替,但實驗方法仍稱“ DOP 法”。

         大氣塵由於其濃度隨地點及時間等變化,有時較大,有時較低,一般不用來作為檢漏用。 FDA 指出在進行檢漏時,選用的氣溶膠應符合一定的理化要求,不應使用會引起微生物汙染、造成微生物滋生的氣溶膠。

         DOP 發生器可分為熱發生和冷發生兩種,熱發生器是利用蒸發冷凝的原理,被霧化的氣溶膠粒子用加熱器蒸發,並在特定條件下冷凝成微小液滴,去掉過大和過小的液滴後留下 0.3um 左右的霧狀 DOP 進入風道,粒徑分布在 0.1 ~ 0.3um 。冷發生器是指利用壓縮空氣在液體中鼓氣泡,經 laskin 噴管飛濺產生物態的多分散相 DOP 氣溶膠,最大分布粒徑在 0.65um 左右 。目前常用的熱DOP比較多,所以過濾器的效率要有保證。

       

      測試儀器:
         使用儀器為氣膠光度計(Aerosol Photometer)與微粒產生器(Aerosol Generator)。氣膠光度計的顯示版有模擬與數字兩種,每年必須校正一次。微粒產生器有兩種,一種是普通的微粒產生器,隻要求高壓空氣,另一種是加熱型微粒產生器,要高壓空氣和電源,微粒產生器不需要校正。

      工具/原料

      • 氣膠光度計(Aerosol Photometer)

      • 微粒產生器(Aerosol Generator)

      • 高效空氣過濾器

      • 無塵服

      方法/步驟

      1. 1

        .在圖麵上記錄高效空氣過濾器數量並編號。

        高效過濾器檢漏測試步驟
      2. 2

        確定空調係統正常運轉並可供測試,風速與風量必需調整平衡完畢。  

      3. 3

        使用氣膠產生器在上遊施放挑戰微粒,將PAO打入高效空氣過濾器上遊,微粒濃度是大約每公升空氣含有10到20微克的PAO。微粒愈多愈容易找出泄漏,但是超過50微克以後差別不大,少於10則很難使用。微粒濃度可用風量粗略計算,再用氣膠光度計確認。

      4. 4

        上遊微粒濃度確認後,就可以在高效空氣過濾器表麵掃描,尋找泄漏,必要時高效空氣過濾器四周可用塑料簾覆蓋以確保測試之準確。

      5. 5

        在高效空氣過濾器表麵掃描,掃描之路徑可由外而內或沿長/短邊迂回檢測,其方式如下:

        a.每一高效空氣過濾器和其邊框均需測試。

        b.高效空氣過濾器之表麵時,將探漏器擺設如圖 (b),用短邊方向前進, 覆蓋全高效空氣過濾器。

        c.掃描高效空氣過濾器邊框時,尤其高效空氣過濾器與Ceiling Grid之間,探漏器擺設可以如上圖(a)或(b),涵蓋全部接縫。

        d.利用微粒計數器之方錐形(10mm*60mm)采樣器置於高效空氣過濾器下 25mm左右,以50mm/sec速度儀動。

        e.氣膠光度計上的讀數是上下遊百分比值,因此若是數值大於0.01,即可懷疑為泄漏,可退回約100mm反複再測,如果沒有持續高讀數,則可繼續測試,反之即為有泄漏,需作記錄且日後修補或更換。

         

      6. 6

        高效空氣過濾器若有破損則應修補或更新,然後重新再測。

      7. 7

        邊框若有泄漏,應重新安裝、調整,直到無泄漏為止。

      8. 8

        記錄時必須登記掃描結果,泄漏狀況與處理方式。

        說明:對於 HVAC 係統中的 HEPA, 為使氣溶膠到達 HEPA 時 時的濃度均勻,可將氣溶膠直接從係統風機的負壓一側引入,如要從風管中引入,則應在距 HEPA 至少 10 倍風管直徑處引入,並盡量減少拐彎(美國環境科學和技術學會)。一般情況下,保持上遊氣溶膠達到要求濃度,且濃度波動在一定範圍即可。對於層流罩、超淨台上的 HEPA ,氣溶膠直接從係統風機的負壓一側引入。 

         

        END

      注意事項

      • 驗收基準 
        1.凡是連續性讀值超過 0.01﹪視為泄漏,每一片高效空氣過濾器測試及修換後均不得有泄漏,邊框也不得有泄漏。 
        2.每一片高效空氣過濾器的修補麵積不得大於高效空氣過濾器麵積的3%。 
        3.任何修補長度不得大於38㎜。  

      1.4 Air-Con & Ventilation System
        1.4
      空調及通風係統

      Refer to hot-water system
       
      參照熱水係統

       

      Centrifugal Air Duct
        Fan/Centrifugal Blower
       
      離心式通風機/離心式鼓風機

      Common ventilation,
        dust content in air ≯150mg/m3, temperature ≤60℃, no corrosion. Body shell of
        fan use galvanized steel plate; its thickness must stand the weight of motor
        and other drive equipment. Examine and repair doors are at both sides. The
        fan is centrifugal fan; the air inlet of impeller must be arc to insure that
        the transition is fluent between air inlet and Venturi tube. Antisepsis and
        had passed the test of dynamic balance and static balance. The strap must
        selec according to 1.5 times of drive power, trap can be adjust in locale to
        make the test of balance. The axis is permanent airproof, and can be
        lubricated. Motor shall be concert with the load of fan,380V, IP54,
        insulation grade F. Must show its working noise (DB(A)).Fan must be with absorber,
        and show its numerical value of absorb. Each fan shall be provided with the
        isolation switch and connection point with BAS system. The spring shock
        absorber shall be applied as the centrifugal fan above 6#; the rubber pad
        shock absorber shall be applied as the centrifugal below 6#. The inlet and
        outlet of the fan shall be provided with flexible joints
       
      普通通風、氣流含塵量150mg/m3、溫度≤60℃,無腐蝕性。外殼應采取鍍鋅鋼板,鋼板厚度應足以承受驅動機構和電機的重量;風機兩側應設有檢修門,風機類型應為離心風機,葉輪進口文丘裏管截麵應成圓弧形確保與風機進口文丘裏管過渡順暢;風機軸應經過熱處理達到硬度HB370等級;表麵應進行防腐處理,並連同葉輪一起進行動靜平衡測試;皮帶應按照驅動功率的150%選型,且可以調節以便進行現場的係統平衡;軸承應是永久密封,並可潤滑;電機應與風機負載緊密配合,380V,IP54,絕緣等級F;應明確標明風機運行噪音值(dB(A));應配有減振器,並標明減振量。每一風機應帶有就地控製開關,並可連接信號至BAS係統。6#以上的離心風機應采用彈簧減震器,6#以下的離心風機可采用橡膠墊減震器,風機進出口應設有柔性接頭

      WOLTER, TWIN-CITY,
        Greenheck, Kruger        

      沃特、雙城、格林瀚克、科祿格、

      AHU(Air Handling
        Unit with Heat Recovery) & PAU(Pre-Cooling Air Handling Unit)
       
      空氣處理機組/預冷空調箱

      Unit
        construction and unit assembly complies with DIN EN 1886 and VDI 6022. The
        thickness of the AHU panels is required more than 70mm and the specific
        volume of the insulation material are required more than 55kg/m3. Insulation
        material is required to use mineral fibre. The flame resistance shall be
        reached the A. Contractor shall supply, install, testing, and service in
        accordance strictly with drawings, criterion and specification
       
      施工和裝配按照德國標準DINEN1886VDI6022,AHU Panels厚度大於70mm,絕熱材料容重大於55kg/m3,絕熱材料選用礦棉纖維,A級阻燃。承包商應嚴格按照圖紙、規範及本項目技術文件供應、安裝、調試及服務

      AL-KO, Robatherm,
        Carrier, Klingenburg (heat recovery)
       
      愛科、羅百特、開利

      克林根堡(用於能量回收段)

      Constant temp &
        humidity air conditioner
       
      機房精密空調

      Precision
        air-conditioning for IT& computer room, Indoor units shall be provided
        with the isolation switch and connection point with BAS system. Contractor shall
        provide all air-cons intact and effective documents and test records in
        accordance with Specification.
       
      用於空調和IT房間,每一室內機應帶有就地控製開關,並可連接信號至BAS係統。所有空調設備需要提供技術規範說明書中所有完整有效的資料和測試記錄

      Caros, Emerson,
        HAIRF/HiRef, Stulz
       
      卡洛斯、艾默生、海瑞弗、史圖斯

      Outdoor split air
        conditioners
       
      分體空調

      Used for cooling for
        general offices in summer. In order to correctly install the split air
        conditioner, the Contractor must provide all necessary units, materials and
        cabling. The protection class of outdoor unit must be suitable for outdoor
        use and shall be no lower than IP55, 220V. All materials to be used for
        silence and heat insulation must conform to the latest requirements of local
        fire department. The appropriate units shall be provided according to the
        requirements specified in the drawing and equipment list to satisfy maximum
        cooling amount in summer. The air conditioner shall have single cooling
        functions according to the design requirements; the coolant of air
        conditioning shall be no harm to environmental protection. All outdoor units
        shall be installed on the channel-steel foundation and have protection for
        rain-proof. The units shall include compressor, condenser coil, fan, engine,
        access opening of control box and control desk control panel for use and
        maintenance. The position and layout of condenser must be free from space
        constraint and avoid to circuit for hot air. Cabling from indoor units to the
        control panels shall also be the contractor’s works scope, the operation
        signal and disturbance signal of each outdoor air-conditioner must have the
        function accessing the BAS. Indoor units shall be provided with the isolation
        switch and connection point with BAS system
       
      普通辦公室夏季製冷,為了正確地安裝分體式空調機組,承包商須供應所有必需的裝置,材料及配線。室外機組防護等級必須適合室外使用,且不得低於IP55,220V。所有用作消音及保溫的材料必須符合當地消防局的最新要求。須按照圖紙設備表內所示要求提供合適的機組設備以滿足夏季的最大冷凍量的要求。空調器應按設計要求具備單冷功能,冷媒必須對環境無害。所有室外機組應裝配在整體型鋼基礎上並有防雨措施。機組應包括壓縮機、冷凝盤管、風扇、發動機、控製箱檢查口和使用維修控製麵板。冷凝器的位置和布置必須避免空間限製和熱空氣的二次流通。包括室內機與控製器間的電線,每一室外機組的狀態信號及故障信號具備可接入BAS係統功能;每一室內機應帶有就地控製開關,並可連接信號至BAS係統

      DAIKIN, YORK,
        MITSUBISH, TRANE, CARRIER
       
      大金、約克、三菱、特靈、開利
        National famous brand: Haier, Gree, Midea
       
      海爾、格力、美的

      Multi-split Air
        Conditioning System    
       
      空調多聯機

       

      DAKIN, YORK,
        MITSUBISH
       
      大金、約克、三菱
        National famous brand: Haier, Gree, Midea
       
      海爾、格力、美的

      Fan coil
       
      風機盤管

       

      DAIKIN, YORK,
        MITSUBISH
       
      大金、約克、三菱
        National famous brand: Haier, Gree, Midea
       
      海爾、格力、美的

      Air duct
        heater/Cooler
       
      風管加熱器/冷卻器

       

      Trox, Halton,
        Zehnder,
       
      妥思、霍爾頓、森德

      Noise
        silencer/Muffler

      消音器

      Common
        ventilation, dust content in air ≯150mg/m3, air supply temperature in winter
        23℃, outdoor natural wind in summer, no corrosion. Including the mufflers for
        square and round pipes. The shell shall be made by the galvanized steel sheet
        and the joints shall be sealed. The over-sized muffler shell shall be fixed
        with strips. The silent pad shall be made by the non-textile glass fiber
        material. Before formal installation, the contractor shall submit specific
        muffler selection and technical parameter sheets. The data in the technical
        parameter sheet shall cover each-muffler manufacturer, brand, model, size,
        weight, quantity of silent pad, resistance loss and noise parameter. The
        above parameters shall be given based on the muffler flow and length
        appointed in the drawings
       
      普通通風,氣流含塵量150mg/m3,送風溫度冬季為23℃,夏季為室外自然風,氣流無腐蝕性。外形為方形或圓形。外殼鍍鋅鋼板製作,接縫處做密封處理,超大尺寸外殼需做加固處理,消聲片由非織物玻璃纖維材料製作。正式安裝前,承包商應提交詳細的消聲器選型及技術參數表,數據應包含每台消聲器的製造商、品牌、型號、尺寸、重量、每台消聲器的消聲片數量、阻力損失、消聲參數等,這些參數應基於圖紙給定的消聲器流量及長度

      Trox, Halton, shinelong
       
      妥思、霍爾頓、顯隆

      All kinds
        Damper(incl. electrical damper) grille
       
      各種風閥(包括電動風閥)

      General
        ventilation system, dust content in air
      150mg/m3, temperature ≤60, humidity 85%. De-smoke system, in case of fire: temperature
        ≤280
      ; normal: dust
        content in air
      150mg/m3,
        temperature ≤60
      ,
        humidity
      85%. The
        dampers must opposed multi-blade dampers. Case, shall not produce vibration
        or sound. The air leakage volume is not higher than 5% when the dampers
        closed. There is excellent seal between body and shaft. Fire damper shall
        conform to the requirements of local fire department and relevant Chinese
        regulation or code. Fire damper shall also be provided with one fusible sheet
        with operating temperature of 70
      . In case
        the air temperature is higher than 70
      , the fire damper shall be closed. Besides it can only
        be reset manually. All dampers are made by carbon steel
       
      普通通風係統,氣流含塵量150mg/m3,溫度≤60,排風濕度>85%;排煙係統:火災溫度≤280,平時:氣流含塵量150mg/m3,溫度≤60,排風濕度>85%。風量調節閥須為多葉對開葉片型,所有調節閥在任何情況下,都不能產生震動或聲響,調節閥緊閉時其漏風程度不能大於5%。調節閥體和轉軸須有良好密封;防火閥須符合當地消防局及有關中國國家標,防火閥應同時配有一易熔片,其操作溫度為70,當排經的煙氣溫度大於70時,將防火閥關閉。並隻能以手動複位。所有的風閥均由碳鋼製作

      Trox, Halton, shinelong
       
      妥思、霍爾頓、顯隆
        Electric driver: BELIMO, SIEMENS, HONEYWELL, Trox


       
      風閥電動驅動器:博力謀、西門子、霍尼韋爾、妥思

      Constant Air Volume
        Regulator(CAV)
       
      定風量調節器

      The
        constant air volume regulator shall be the pressure-independent type. The
        automatic mechanical regulator with the air volume through the constant air
        volume regulator can strictly supply or exhaust air according to the dial
        scale without impact of pipe static pressure and air volume change. The valve
        body structure of the constant air volume regulator shall be the single-
        plate throttle and can automatically adjust the opening of the valve position
        according to the static pressure before the valve, so the constant air volume
        can be ensured. The square-shape constant air volume regulator shall be
        equipped with flanges on both ends. The both ends of the round-shape constant
        air volume regulator shall be the sockets with actuators. The constant air
        volume regulator can work at the static pipe pressure of 50-1000Pa and not be
        limited by the installation position which can be horizontal or vertical. The
        air volume calibration of each-set end unit shall be carried out in plant and
        the accuracy shall be ensured. It is made by carbon steel hot- galvanized
       
      定風量調節器應是壓力無關型,機械式自動調節裝置,經過定風量調節器的風量,可嚴格按照刻度盤標定的風量送風或排風,不受管道幹管靜壓以及風量變化的影響。其閥體結構應為單閥板節流形式,並根據閥前靜壓的變化自動調整閥位的開度,從而保證送風量的恒定。方形的兩端應帶法蘭,圓形定的兩端為插接口,並可附帶執行器。定風量調節器可在管道靜壓壓差501000Pa範圍內正常工作,並且不受安裝位置的限製,可水平或垂直安裝。每台末端裝置的風量標定工作應在工廠進行,並保證標定的準確性,同時應能在現場進行額定風量的二次標定,以適應項目情況的變化,由熱鍍鋅材料製作

      Trox, Halton, shinelong
       
      妥思、霍爾頓、顯隆
        Electric driver: BELIMO, SIEMENS, HONEYWELL
       
      風閥電動驅動器:博力謀、西門子、霍尼韋爾

      G.I. steel board air
        duct with accessory 

      鍍鋅鐵皮風管

      For
        the rectangle air duct which is ≥800mm, the support bracket inside the pipe shall
        be used for reinforcement (see the assembly sequence). Combination flange
        rectangle air duct which is 1250mm≤ air duct edge length (A) ≤2250mm, the rib
        line and inner-duct support shall be used and the inner support part is 1
        piece. >2250mm, 2 pieces
      。All the ducts for air supply and
        return, air exhaust and exhaust smoke duct shall be generally made of
        galvanized sheets. The fabrication of all ducts sheets shall conform to
        Unless
        additional specified, all the ducts shall be made of galvanized steel sheet, Ducts
        thickness shall conform to the minimum thickness as specified by the above
        standard. Galvanized steel sheets shall meet the requirements of
        GB50243-2002. Rubber seal joint gaskets or suitable adhesive shall be used as
        air-tight seal for all flange joints
       
      對邊長≥800mm的矩形風管,采用管內支撐架方式加固,對於1250mm≤風管邊長 (A) ≤2250mm的風管,采用楞線和管內支撐加固方式,管內支撐為1個,大於2250,2個。所有一般空調送回風、排風和排煙風管道由鍍鋅鋼板製成。所有金屬板的風管道的製作須按照中國標準GB50243—2002。除特別說明外,所有風管須為鍍鋅鋼板風管,板厚須同時符合上述標準內所規定的最小厚度而製造。鍍鋅鋼板能滿足GB50243-2002之板材要求,所有法蘭接駁位須采用橡膠密封接合墊片或合適的膠粘劑作為氣密封

      China national
        standard high quality products: WuSteel, AnSteel, BaoSteel, BenSteel
      ,TongSteel
       
      國標優質產品:武鋼、鞍鋼、寶鋼、本鋼、通鋼

      Diffuser (Incl. Round
        diffuser with air volume adjust, Displacement air port, Swirl diffuser)
       
      風口(包括:帶風量調節圓形散流器、置換風口、旋流風口)

      Round
        exhausts and supply diffuser with air volume adjustment: It shall be made of
        prefabricated aluminum alloy, corrosion by oxidation treatment; surface
        painted by the architect requires recognition of color. Center separate
        diffuser blades to be equipped with square or round neck. Each diffuser shall
        be equipped with a steel plate made of aluminum or more leaf off the air flow
        control valve, shall be painted black blade hidden by a built-in spacious
        style adjustable rod for adjustment
       
      帶風量調節圓形排風和進風散流器:由預製鋁合金材料製作,經氧化防蝕處理後,表麵按建築師要求塗上認可的顏色。中心葉片分離式散流器須配有方形或圓形頸,每個散流器須配有一個由鋁合金或鋼板製成的對開多葉式風量調節閥,葉片須塗上黑色由一內置隱敝式調校杆作調校

      Trox, Halton, shinelong
       
      妥思、霍爾頓、顯隆

      Displacement air
        port

      置換風口

      Displacement
        air port: The shell and the support grid shall be made by galvanized plate
        which can be sprayed as RAL standard. The noise parameter must be the sound
        power level tested in the standard echo chamber. The supplier must provide
        the selection reports based on the actual project condition
       
      置換風口:外殼和支撐格柵由鍍鋅鋼板製成,可根據RAL標準進行噴塗。噪聲參數必須在標準回響室內測得的聲功率噪聲,供貨廠家必須能提供針對本項目實際情況得出的選型報告

      Trox, Halton, shinelong
       
      妥思、霍爾頓、顯隆

      Diffuser
      散流器

      Swirl
        exhaust and supply diffuser with air volume adjustment: Swirl vanes can be
        independently adjusted to meet the different swirl air supply in different
        rooms. The panel shall be made of galvanized steel sheet and the surface shall
        be painted with powder as the project required. The swirl vane material shall
        be polystyrene. The color shall be white or black. The supplier must provide
        the selection reports based on the actual project condition
       
      帶風量調節旋流排風和進風散流器:旋流葉片具有單個可調節特點,以滿足不同房間的不同旋流送風特點。麵板材料為鍍鋅鋼板,表麵需根據工程要求粉末噴塗顏色,旋流葉片材料為聚苯乙烯,顏色為白色或黑色。噪聲參數必須在標準回響室內測得的聲功率噪聲,供貨廠家必須能提供針對本項目實際情況得出的選型報告

      Trox, Halton, shinelong
       
      妥思、霍爾頓、顯隆

      Door Hot Air Curtain
       
      風幕

      Wall
        mounted type heater, Horizontal Flow Q: refer to drawings, water temperature 90/40
      , noise level67dB(A)
       
      頂吹大門熱風幕,水平安裝,配中間出風噴嘴,流量見圖紙,水溫90/40,噪音67.0dB(A)

      Zehnder, Kampmann,
        TTL
       
      森德、卡普曼、TTL

      Wall Mounted Type
        Heater

      牆裝加熱器

      Horizontal
        installation, Flow Q: refer to drawings, water temperature 90/40
      , noise level67dB(A) ), indoor temperature:
        19

       
      水平安裝,流量見圖紙,水溫90/40,噪音67.0dB(A),室溫19

      Trox, Halton,
        Zehnder,
       
      妥思、霍爾頓、森德

      Warm air blower
      暖風機

      Flow
        Q: refer to drawings, water temperature 90/40
      , noise level61dB(A),
        indoor temperature: 10

       
      流量見圖紙,水溫90/40,噪音61.0dB(A)
       
      ,室溫10

      Trox, Halton,
        Zehnder,
       
      妥思、霍爾頓、森德

      Exhaust Heads
       
      風帽

      Installed
        the end of upper wind outlet dust, round type, cylinder type, square type,
        size see construction drawings, and vertical installation normally. It has
        fixed mechanical strength, can resist
        violent typhoon
       
      安裝於風道上出口終端,有圓傘形,筒形和方形,尺寸按照施工圖,垂直安裝,具有一定機械強度,可抵抗強台風

      IMOS,
        BeijingHangtian Taizhou pipe equipment CO.LTD
        IMOS
      、北京航天、台州管業

      Supports
       
      支吊架

      Meet
        drawing and specification

      按照圖紙和規範

      Golkin, Shanghai
        Xinqi, Walraven
       
      固多金、上海新奇、
       
      沃雷文

      Anchor Bolt
       
      錨栓

       

      Hilti, Simpson, Fisher
       
      喜利得、辛普森、慧魚

      Fire-stopping
       
      防火封堵

      Refer
        to hot-water system
       
      參照熱水係統

      STI, 3M, Hilti
        STI
      、3M、喜利得

      Strainer
       
      水過濾器

      Refer
        to hot-water system
       
      參照熱水係統

      Watts, Danfoss, THT
       
      沃茨、丹佛斯、津濱瓦特斯

      Pressure Gauge,
        Temperature Gauge
       
      壓力表、溫度計

      Range
        and precision, see bidding document Chapter 7

      量程、精度參見招標文件第七章規範

      GF, Honeywell,
        Dwyer, 
       
      喬治.費歇爾、霍尼韋爾、德維爾

      Insulation
       
      橡塑保溫

      Meet
        drawing and specification

      按照圖紙和規範

      Armacell,3M,Yingsheng
       

      阿樂斯、3M、贏勝,

      Rock Wool insulation
       
      保溫岩棉

      Meet
        drawing and specification

      按照圖紙和規範

      Saint-Gobain, Owens Corning,
        CSR
       
      聖戈班、歐文斯科寧、西斯爾

      Shock absorber                                          減震器

      The
        spring shock absorber shall be applied as the centrifugal fan above 6#, the
        rubber pad shock absorber shall be applied as the centrifugal below 6#. Meet
        design and equipment manufacturer installation instruction at the same time
        6#
      以上的離心風機應采用彈簧減震器,6#以下的離心風機可采用橡膠墊減震器;同時符合設計和設備製造商按照說明

      Mason, EHASE-FLEX,
        JSC, Liaoning Tongze

      梅森、通力、兆山辰、遼寧同澤

      Flexible Joints
       
      柔性接頭

      Flexible
        duct shall be made of flexible metallic bellows using stainless steel,
        aluminum, galvanized steel or aluminum steel. Flexible joint shall meet the
        requirement of air-tightness and be suitable for specified air pressure and
        temperature conditions. Relevant material shall be fire-proofing material and
        shall conform to the regulations of local fire department
       
      柔性通風管道應由不鏽鋼、鋁、鍍鋅或鋁鋼所製成的柔性金屬波紋管,柔性軟接頭的材料須滿足氣密性要求,適用於指定的風壓和溫度條件。有關材料須為防火材料,防火程度須符合當地消防局要求

      1:高效過濾器檢漏流程  
           1.1 在待測HEPA上遊一側引入PAO氣溶膠
           對於HVAC係統中的HEPA, 為使氣溶膠到達HEPA時時的濃度均勻,可將氣溶膠直接從係統風機的負壓一側引入,如要從風管中引入,則應在距HEPA至少10倍風管直徑處引入,並盡量減少拐彎(美國環境科學和技術學會)。一般情況下,保持上遊氣溶膠達到要求濃度,且濃度波動在一定範圍即可。對於層流罩、超淨台上的HEPA,氣溶膠直接從係統風機的負壓一側引入。
       
           1.2 氣溶膠光度計初始化、設定100%、0%參比標準值
      按照氣溶膠光度計操作要求進行初始化、設定報警值。將UPSTREAM采樣管與上遊采樣口相連,測量上遊氣溶膠的濃度。按照氣溶膠發生器操作要求調節發生的氣溶膠濃度,使上遊氣溶膠濃度達到10~20ug/mL。  
           1.3 掃描檢漏      
           
           卸下HEPA的散流板,對整個濾器麵、濾器與邊框之間、邊框與邊框之間以及邊框與靜壓箱之間的密封進行掃描。掃描時采樣頭距濾器麵約1英寸(約2.54cm),掃描速度不超過5cm/s。掃描按直線來回往複地進行,線條間應重疊。檢測過程中,若有報警聲(即%LEAKAGE(泄漏率)超過0.01%),表明有泄漏。泄漏處經用矽膠堵漏或緊固以後再進行掃描巡檢。檢查一個過濾器約為5min 左右,在測試的過程中,應經常確認上遊氣溶膠的濃度,注意在檢測過程中應帶防護麵罩和防護眼罩。      

           2 結果判定及處理   
           高效過濾器泄漏率應小於等於0.01%。若HEPA在檢測過程中, 所有點的%LEAKAGE( 泄漏率%)都不超過0.01%,則判該HEPA合格,若有一處%超過0.01%,則判為不合格,並將該點標記出來,需修補或更換。高效過濾器濾料泄漏處允許用專用膠水修補,但是單個泄漏處的麵積不能大於總麵積的1%,全部泄漏處的麵積不能大於總麵積的5%,否則必須更換。  
            3 高效過濾器檢漏周期  
           FDA在無菌藥品生產指南中建議對於無菌製劑生產車間每半年進行一次檢漏,我國在GMP 檢查指南中建議通常一年一次。ISO14644 對已安裝HEPA的泄漏檢測,建議的最長時間間隔為24個月。DOP檢漏在HEPA 安裝或更換後都應進行。當環境監測顯示空氣質量惡化、或當產品無菌試驗不合格、培養基模擬灌裝試驗失敗時,都可作為偏差調查的一部分進行檢漏。需進行檢漏試驗的濾器還包括烘幹隧道和幹烤箱所使用的HEPA。
      版權所有©2012 山東国产精品放荡VIDEOS麻豆街淨化工程有限公司 

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