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美國GD CycloBlower螺旋鼓風機
詳細信息| 詢價留言螺旋式鼓風機/真空泵實現安靜穩(wěn)定、高效無油的氣體輸送長期連續(xù)運轉性能范圍流量:2.5~190立方/每分鐘壓力: ~138kPa真空度:~57.5kPa (干式)真空度:~81.3kPa (濕式)螺旋式鼓風機/真空泵屬于定容積式氣力機械,因獨特的螺旋狀轉子而得名。螺旋式鼓風機/真空泵的工作原理類似于螺桿壓縮機:螺旋狀葉輪推動氣體在氣缸內軸向流動并壓縮氣體,同等工況條件下能耗和排氣溫度均低于羅茨式鼓風機/真空泵。一、性能特點1.輸送氣體絕對無油轉子與轉子、轉子和殼體互不接觸,齒輪和軸承遠離氣缸,氣缸內潔凈無油。2.無壓力波動和氣流沖擊,運轉噪聲低運轉連續(xù)穩(wěn)定、沒有壓力波動,噪聲比羅茨式鼓風機/真空泵低5~15dB(A)。3.能源消耗小氣缸內發(fā)生內壓縮過程,比羅茨式鼓風機/真空泵節(jié)能8~15%。4.壓力高,真空度高高壓力、高真空度下連續(xù)運轉也只需要單級壓縮,不消耗冷卻水。5.高可靠性,使用壽命長轉子、齒輪和軸承不受沖擊載荷,轉子以耐磨的球墨鑄鐵為材料。6.重量輕,機組形式簡單轉速很高,結構相對緊湊,附件種類少。二、結構特點1.轉子:從動轉子有四個斜凹槽,主動轉子有二個凸出的葉片;轉子與軸為不可分離的整體由球墨鑄鐵銑削而成,經去應力處理和精密動平衡。2.軸承:較小的機型使用單列和雙列球軸承,較大的機型使用雙列角接觸軸承和圓柱滾子軸承。3.齒輪:合金鋼斜齒輪安靜、精確地傳遞動力。4.殼體:整體式鑄造殼體足以抵御變形,保證轉子高速平穩(wěn)運轉;內部流道經特殊設計,控制氣流穩(wěn)定,抑制氣動噪聲。5.密封:標準型空氣密封為嵌入式巴氏合金迷宮,充氣迷宮或機械密封可選;*Teflon油封用于隔絕潤滑油。6.潤滑:轉子不需要潤滑;齒輪和軸承由封閉的飛濺潤滑系統提供潤滑,某些小型機也采用油脂潤滑軸承;所有機型均不需要油泵和冷卻水。螺旋式鼓風機/真空泵的轉子之間互不接觸而是保持著微小的、均勻的間隙。齒輪傳遞壓縮氣體所需的動力,并控制著主從轉子之間的精密嚙合。驅動軸伸位于排氣側,從軸伸方向看順時針方向旋轉,從動轉子轉速是主動轉子的一半。標準的氣流方向是上進下出,相反的流向也可供選擇。所有部件都是空冷,不需要任何冷卻水。工作原理:嚙合的主動轉子(二葉陽轉子)和從動轉子(四葉陰轉子)是實現氣體壓縮的關鍵。轉子和氣缸將形成一個有擴大→縮小→擴大循環(huán)的壓縮空間。進氣時壓縮空間與進氣口連通,空間容積逐漸擴大氣體被吸入。當轉子與進氣口脫離后壓縮空間封閉,旋轉的轉子使壓縮空間的容積逐漸變小,空間內的氣體被壓縮壓力逐漸升高。當壓縮空間抵達排氣口時排氣過程開始,空間容積逐漸變小直至為零,氣體通過排氣口向外排出。螺旋狀轉子使壓縮空間的容積變化過程漸近而連續(xù)性,進氣和排氣時不產生壓力波動和氣流沖擊,獲得遠遠優(yōu)于羅茨式鼓風機/真空泵的低噪聲性能。主要結構:以5CDL為例。除了轉子和機殼的長度差異外,5CDL系列產品其余結構相同。機殼由灰鑄鐵整體鑄造,進氣口和排氣口布置在機殼兩端,用法蘭與管道連接。轉子以球墨鑄鐵鑄造經銑削而成,軸與葉輪成整體不可分離,所有轉子都經過精密動平衡以求在高轉速下達到*小的振動。斜齒輪用合金鋼制成,經過滾銑和磨削加工。定位軸承位于排氣端即驅動端,采用雙列角接觸軸承;齒輪端即進氣端采用圓柱滾子軸承允許軸的熱膨脹。齒輪和軸承全部采用封閉的飛濺潤滑方式。氣密封采用嵌入式巴氏合金迷宮,油密封使用Teflon*油封。轉子形式:螺旋式與羅茨真空泵*明顯的結構差別在于轉子:羅茨式是直線形轉子,螺旋式的轉子呈螺旋狀。轉子形狀的不同導致能耗、噪聲和壽命差異。能耗:羅茨式真空泵屬于強制排氣類機械,氣缸內沒有內壓縮,因而能耗較高。螺旋式真空泵從屬螺桿壓縮原理,氣缸內有內壓縮過程,因而能耗較低。噪聲:壓力波動和氣流沖擊是引發(fā)氣動噪聲的根源。羅茨式真空泵排氣時,排氣口的高壓氣體向氣缸高速逆回,產生壓力波動和氣流沖擊,引發(fā)以低頻為主的氣動噪聲。螺旋式真空泵排氣過程漸進而連續(xù),沒有壓力波動和氣流沖擊,因而氣動噪聲小。壽命:壓力波動和氣流沖擊影響轉子和整機壽命。羅茨式真空泵排氣時,轉子表明受高速氣流直接侵蝕,沖擊載荷被傳遞到軸承和齒輪。用于灰渣輸送時,氣流中含有的高硬度灰渣微粒加快轉子磨損,導致間隙增大“抽不起真空”,降低系統出力。Whispair設計能降低壓力波動但無法將其徹底消除。螺旋式真空泵沒有氣流沖擊,轉子磨損小,載荷均勻穩(wěn)定。注:鼓風機的原理和特點類似于真空泵,此處不作重復。五、典型應用1、一種使用熔噴法、紡粘法、非織造布節(jié)能、噪音低、高壓力(*高1.4KG)、無水冷卻的美國進口高壓螺旋鼓風機得到廣泛應用。2、開米松磺化高壓系統和意大利磺化生產線系統得到廣泛應用。3、污水處理裝置耗氧池鼓風曝氣。4、火力發(fā)電廠灰渣氣力輸送、分選和高壓流化。5、糧食和水泥等散裝干物料的氣力裝卸。6、變壓吸附制氧裝置(VPSA)真空解吸。7、煙氣脫硫裝置(FGD)氧化空氣鼓風機。*用于散裝水泥卡車的高壓機型壓力上限為2.5bar。*Teflon為美國杜邦公司的注冊商標。流量:2.5~190 m3/min壓力: ~138kPa真空度:~57.5kPa (干式)真空度:~81.3kPa (濕式)1、輸送氣體絕對無油2、無壓力波動和氣流沖擊,運轉噪聲低3、能源消耗小4、壓力高,真空度高5、高可靠性,使用壽命長6、重量輕,機組形式簡單螺旋式鼓風機/真空泵主要性能參數表 1/6型號轉速r/min各排氣壓力下的進口流量Q(m3/min)和軸功率N(kW)34.5kPa62.0kPa82.7kPa103.4kPa124.0kPa137.8kPaQNQNQNQNQNQN5CDL515002.82.62.24.520004.13.43.56.03.27.525005.44.94.87.84.510.14.212.730006.76.06.29.95.812.75.515.535008.07.57.511.97.115.16.818.56.421.440009.39.38.813.88.417.98.121.67.624.97.427.7450010.611.110.216.89.820.69.424.99.028.58.831.9500012.013.211.519.611.123.510.728.410.332.210.136.25CDL915005.14.54.39.020007.66.06.711.26.214.2250010.17.69.213.18.717.28.221.3300012.59.511.715.711.220.510.825.410.329.89.933.5350015.011.214.218.713.623.93.229.812.733.612.339.1400017.513.416.622.416.128.415.634.315.339.514.845.2450020.015.719.225.618.733.018.240.517.747.317.351.7500022.418.121.729.321.237.720.746.720.254.319.858.65CDL1315007.16.06.210.45.514.2200010.68.69.714.39.019.08.523.9250014.211.213.218.312.623.912.029.8300017.713.826.822.416.129.115.635.814.943.314.446.6350021.216.820.326.919.634.719.141.818.449.218.054.0400024.820.523.932.123.240.322.647.721.955.221.561.3450028.224.727.337.026.746.326.153.025.561.825.168.4500031.729.330.942.130.352.329.658.329.068.928.675.67CDL1111009.37.57.813.46.818.7160015.312.313.720.912.927.6210021.516.820.028.419.036.618.144.017.653.716.558.6260027.720.926.035.825.245.524.256.023.667.922.773.0310034.026.132.344.031.456.030.667.929.782.128.886.7360039.931.338.552.237.566.436.580.635.797.035.0105.7400045.036.243.758.742.774.641.690.340.6108.139.9119.7螺旋式鼓風機/真空泵主要性能參數表 2/6型號轉速各干真空壓力下的進口流量Q(m3/min)和軸功率N(kW)-27.1kpa-40.6kpa-54.2kpa-57.5kpaQNQNQNQN5CDL515003.12.22.63.120004.52.94.04.03.55.425005.93.75.54.95.06.64.96.930007.44.66.96.06.57.86.48.235008.85.78.47.58.09.27.89.6400010.26.89.88.79.410.79.311.0450011.78.211.310.210.812.210.712.7500013.29.712.711.812.313.712.114.45CDL915004.73.53.74.92.37.120007.44.56.36.65.09.3250010.15.68.98.37.711.6300012.76.811.710.010.413.810.214.9350015.47.914.311.613.116.012.917.2400018.19.117.013.415.818.315.519.7450020.810.319.715.118.520.818.322.2500023.511.422.416.821.223.020.924.55CDL1315006.54.55.16.73.58.420009.96.68.59.16.911.5250013.38.611.811.810.514.9300016.610.815.414.314.017.9350020.212.918.816.917.620.9400023.614.921.519.521.123.9450027.217.225.822.324.427.124.028.1500030.719.329.225.027.830.127.531.37CDL1111009.56.07.89.06.111.9160015.79.014.013.412.017.9210022.113.120.417.918.323.917.924.9260028.616.826.622.424.529.124.331.9310034.819.433.026.930.735.130.638.9360041.222.439.232.137.141.837.045.4400046.226.244.436.042.547.642.050.4螺旋式鼓風機/真空泵主要性能參數表 3/6型號轉速r/min各排氣壓力下的進口流量Q(m3/min)和軸功率N(kW)34.5kpa62.0kpa82.7kpa103.4kpa124.0kpa137.8kpaQNQNQNQNQNQN7CDL14110012.211.910.817.99.922.4160019.818.918.424.617.632.816.841.0210027.620.126.232.825.343.324.553.723.163.422.870.1260035.426.134.042.533.156.032.367.930.979.830.589.4310043.332.841.652.241.067.140.282.138.897.038.3107.6360050.939.549.562.748.779.848.097.046.7113.446.0124.7400057.346.255.971.854.990.153.9105.652.9127.452.3138.77CDL17110013.911.211.618.710.522.4160022.916.420.929.119.735.8210032.322.430.339.529.050.727.962.726.973.126.083.9260041.329.839.650.038.464.237.479.136.492.535.3103.3310050.838.149.060.447.878.346.795.546.0111.944.6121.7360060.147.758.373.157.392.556.3113.455.5131.353.9141.8400067.756.266.081.564.7101.863.5123.962.2145.361.4158.79CDL13120023.417.220.929.819.538.8150030.422.428.038.126.950.025.861.2180037.629.835.447.034.261.233.174.632.089.531.198.8210044.736.642.756.741.673.940.589.539.5107.438.4116.2240051.944.850.167.949.087.347.8105.247.0124.645.7134.8270052.256.757.382.156.3103.055.3122.354.3141.753.1154.1300066.966.865.295.563.8119.062.6140.261.3158.260.4174.89CDL18120032.023.928.938.827.252.226.063.4150041.931.339.251.537.566.436.279.1180052.138.849.563.447.882.146.497.045.3113.344.1130.8210062.147.059.775.458.397.756.9115.655.6137.354.2155.5240072.257.469.889.568.5113.467.1135.865.9161.164.4180.3270080.170.979.8104.478.7130.677.5161.176.1198.274.5206.8300092.682.790.5119.788.9149.587.3186.485.8219.184.7236.9-
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