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    簡介:

    螺桿式制冷壓縮機壓縮機又稱螺桿壓縮機。

    20世紀50年代,就有噴油螺桿式制冷壓縮機應用在制冷裝置上,由于其結構簡單,易損件少,能在大的壓力差或壓力比的工況下,排氣溫度低,對制冷劑中含有大量的潤滑油(常稱為濕行程)不敏感,有良好的輸氣量調節性,很快占據了大容量往復式壓縮機的使用范圍,而且不斷地向中等容量范圍延伸,廣泛地應用在冷凍、冷藏、空調和化工工藝等制冷裝置上。以它為主機的螺桿式熱泵從20世紀70年代初便開始用于采暖空調方面,有空氣熱源型、水熱泵型、熱回收型、冰蓄冷型等。在工業方面,為了節能,亦采用螺桿式熱泵作熱回收。 查看詳細 >

    比澤爾

    從1983年進入市場,比澤爾螺桿壓縮機在世界范圍內取得了成功。比澤爾螺桿壓縮機緊湊的外形以及由于采用了專利的轉子生產工藝,達到最大的型線精確性這些特點都受到了廣泛的好評。
    詳情點擊

    煙臺冰輪

    煙臺冰輪集團創建于1956年, 以制冷空調設備、氣體壓縮設備的研發、制造,制冷空調應用系統集成、制冷空調節能服務、工程成套服務為主業,是中國民族制冷空調行業的領軍企業。
    詳情點擊

    頓漢布什

    1894年,頓漢布什公司成立于美國康涅狄格州的哈特福德市(Hartford)。頓漢布什公司的產品及服務現已覆蓋包括暖通空調、工業冷凍、流體冷卻等設備制造以及相應產品系統集成控制領域。
    詳情點擊

    漢鐘精機

    專門從事螺桿式壓縮機相應技術的研制開發、生產銷售及售后服務,主要產品有螺桿式制冷壓縮機和螺桿式空氣壓縮機。經過多年的發展,已成為中國大陸最有實力的壓縮機生產廠家之一。
    詳情點擊

    開利

    開利公司是全球最大的冷凍空調設備和系統供應商。自1983年,開利開始在美國使用Totaline作為零件業務之注冊商標,時至今天,Totaline已成為世界空調制冷配件之優質品牌。
    詳情點擊

      螺桿式壓縮機汽缸內裝有一對互相嚙合的螺旋形陰陽轉子,兩轉子都有幾個凹形齒,兩者互相反向旋轉。轉子之間和機殼與轉子之間的間隙僅為5~10絲,主轉子(又稱陽轉子或凸轉子),通過由發動機或電動機驅動(多數為電動機驅動),另一轉子(又稱陰轉子或凹轉子)是由主轉子通過噴油形成的油膜進行驅動,或由主轉子端和凹轉子端的同步齒輪驅動。所以驅動中沒有金屬接觸(理論上)。

      轉子的長度和直徑決定壓縮機排氣量(流量)和排氣壓力,轉子越長,壓力越高;轉子直徑越大,流量越大。

      螺旋轉子凹槽經過吸氣口時充滿氣體。當轉子旋轉時,轉子凹槽被機殼壁封閉,形成壓縮腔室,當轉子凹槽封閉后,潤滑油被噴入壓縮腔室,起密封。冷卻和潤滑作用。當轉子旋轉壓縮潤滑劑+氣體(簡稱油氣混合物)時,壓縮腔室容積減小,向排氣口壓縮油氣混合物。當壓縮腔室經過排氣口時,油氣混合物從壓縮機排出,完成一個吸氣——壓縮——排氣過程。

      螺桿機的每個轉子由減摩軸承所支承,軸承由靠近轉軸端部的端蓋固定。進氣端由滾柱軸承支承,排氣端由一以對靠的賀錐滾柱支承通常是排氣端的軸承使轉子定位,也就是止推軸承,抵抗軸向推力,承受徑向載荷,并提供必須的軸向運行最小間隙。

      工作循環可分為吸氣、壓縮和排氣三個過程。隨著轉子旋轉,每對相互嚙合的齒相繼完成相同的工作循環。

    查看詳細 >

    1、可靠性高。螺桿壓縮機零部件少,沒有易損件,因而它運轉可靠,壽命長,大修間隔期可達4-8萬小時;

    2、操作維護方便;

    3、動力平衡好。特別適合用作移動式壓縮機,體積小、重量輕、占地面積少;

    4、適應性強。螺桿壓縮機具有強制輸氣的特點,容積流量幾乎不受排氣壓力的影響,在寬廣的范圍內能保持較高的效率,在壓縮機結構不作任何改變的情況下,適用于多種工質。

    5、多相混輸。螺桿壓縮機的轉子齒面間實際上留有間隙,因而能耐液體沖擊,可輸送含液氣體、含粉塵氣體、易聚合氣體等。

    查看詳細 >

    1、造價高。由于螺桿壓縮機的轉子齒面是一空間曲面,需利用特制的刀具在價格昂貴的專用設備上進行加工。另外,對螺桿壓縮機氣缸的加工精度也有較高的要求。

    2、不能用于高壓場合。由于受到轉子剛度和軸承壽命等方面的限制,螺桿壓縮機只能用于中、低壓范圍,排氣壓力一般不超過3MPa。

    3、不能用于微型場合。螺桿壓縮機依靠間隙密封氣體,一般只有容積流量大于0.2m3/min時,螺桿壓縮機才具有優越的性能。

    查看詳細 >

    Heinrich Krigar提出螺桿壓縮機的原理,并在德國申請專利。

    Alf Lysholm(透平壓縮機制造商Ljungstroms Angturbin AB的總工)改進型線,提出轉子精確制造的方法,并申請了專利(5-4齒)。

    Ljungstroms Angturbin AB公司更名為Svenska Rotor Maskiner AB,即著名的SRM公司。

    SRM公司推出SRMA型線,ATLAS公司推出ATLAS型線。由對稱齒形發展為不對稱齒形,容積效率提高百分之十幾。我國于1965年開始研制螺桿式空氣壓縮機。

    德國的螺桿空氣壓縮機制造商Gutehoffnungshutte,即GHH公司,推出GHH型線。(目前被美國的I—R收購,強強聯手)SRM公司推出SRMD型線。

    產品推廣階段,開始對系統進行深入研究。我國某些壓縮機廠1985年分別引進英國Holroyd公司的2AC、5AC螺桿銑床形成批量生產。

    進一步提高加工精度。(數控銑->數控磨削)。

    螺桿式制冷壓縮機前景展望:

      (1)提升螺桿主機技術的自主研發設計能力
      螺桿主機是螺桿壓縮機的核心部件,其性能的好壞將直接影響整機性能的發揮。目前,國內企業的主機自主研發設計能力還不夠強,僅限于少數幾家企業能夠自主生產螺桿主機,其余大多數螺桿壓縮機企業還不具備生產主機的能力,主要依靠外購主機來完成整機的組裝生產。因此,全面提升螺桿主機技術的自主研發設計能力將是國內行業技術發展的一個主要趨勢。
      (2)精細化加工發展趨勢
      在螺桿主機的生產過程中,對螺桿主機轉子的型線嚙合精度以及表面粗糙度的要求很高。隨著行業的深入發展,螺桿轉子及其型線的研發設計能力得到不斷提高,傳統的銑、削、磨已逐漸無法滿足產品的精度設計要求,難以確保產品的使用壽命和性能達到預期效果,因此,這對行業的加工制造能力和加工方法就提出了更高的要求。
      隨著現代化信息技術的廣泛應用,精密的加工設備逐漸被應用到螺桿壓縮機的生產制造過程中,傳統的銑、削、磨技術逐步向精銑、精磨等精細化加工方向發展,提高產品的加工精度。但由于這些精密的加工設備目前大多數都是從國外進口,采購成本較高,業內應用的企業還比較少,因此,隨著國內精密加工設備的快速成長,在行業精細化加工需求的推動下,精細化加工必將成為螺桿壓縮機行業未來的一個重要技術發展趨勢。
      (3)節能減排技術的發展趨勢
      隨著全球節能環保的發展趨勢,我國已經開始進入“低碳節能”時代,“低碳節能”的實質就是能源的高效利用和新能源的開發利用。目前,節能減排技術的應用和發展已經成為我國工業發展的指導性方向,螺桿壓縮機作為我國工業行業的基礎性產業,也已納入節能設備領域。
      2009 年10 月26 日,國家發展改革委、國家質檢總局和國家認監委聯合發布了《中華人民共和國實行能源效率標識的產品目錄(第五批)》(國家發改委2009 年第17 號公告),將螺桿空壓機納入能效標識體系,自2010 年3 月1 日起,在中國大陸生產、銷售和進口的相關產品應當加施能效標識,銷售者不得銷售應當標注但未標注能源效率標識的產品。
      因此,進一步提升螺桿壓縮機的節能降耗功效,提升產品能效等級,進一步擴大螺桿壓縮機的工藝氣體適用范圍,加強螺桿壓縮機在節能減排領域的應用也將是行業未來技術研發的一個重要趨勢。
      (4)持續研發推廣工藝流程用螺桿壓縮機
      工藝流程用螺桿壓縮機由于環境適用性強,對含塵、帶液氣體不敏感,對輸送的氣體無污染,同時節能效果還明顯優于其他傳統壓縮機,因此,在可燃氣以及其他含水、含雜質氣體的回收利用中將充分突顯其性能的優越性和地位的重要性。目前,我國螺桿壓縮機在空氣動力用領域已經實現了品種規格和產量的大幅度提升,但在工藝流程用領域的應用還較少,如煤層氣、石油伴生氣、天然氣、沼氣以及工業尾氣等可燃氣體的抽采、輸送和液化等工藝,特別是大流量和中高排氣壓力工藝流程用螺桿壓縮機機型的開發應用還處于起步階段。目前,國家已將煤層氣、天然氣的采集、液化運輸,石油伴生氣、火炬氣、石化尾氣的回收利用納入重點投資建設項目,這為工藝流程用螺桿壓縮機提供了巨大的發展機遇。 ...   查看詳細 >

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