真空泵

寂夜

1 真空泵  
5 X4 o% \% `+ ]8 m& ?   X—150型旋片式真空泵是用来对密封容器抽除气体获得真空的基本设备之一，它的工作原理是由于泵腔内的容积不断发生变化而完成抽气作用。故属于容积式真空泵的一种，他的工作原理（如图一所示）。

    它有偏心安装在定子腔内地转子槽内地两旋片。转子带动旋片转动时，旋片借离心力和旋片弹簧紧贴缸壁，把进排气口分隔开来，并使进气腔容积周期性的扩大而吸气，排气腔容积周期性的缩小而压缩气体，借压缩气体的压力和油推开排气阀排气，从而获得真空。
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3 r  G6 d- D' n   Model X-150 Rotary Vacuum Pump is one of the basic equipments to obtain vacuum by pumping air out a sealed container. The operation principle of the pump shown in Fig.1 is that the effect of pumping air will be completed by the continual changes of space in the pump cavity. So it belongs to one of the positive-displacement vacuum pump.
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   The pump has the rotor mounted in the stator cavity eccentrically and two blades in the rotor slot. When the rotor powers the blades to rotate, the blades will keep close contact to the interior wall of the stator because of the centrifugal force and the sping force. The inlet and the outer on the stator will be separated by them. Then the space in the intake cavity will be expanded periodically and the air will be sucked, while the gas space in the exhause cavity will be reduced periodically and the gas will be compressed. The discharge valve will be opened by the pressure of compressed gas and oil, and the gas will be exhausted. Thus the vacuum will be attained.

' \9 ]8 C- b" V( y$ C' t应用Application
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+ t5 t1 L6 k2 T$ k9 N- s' J0 `X—150型旋片式真空泵可单独作为主泵使用，也可作为增压泵、扩散泵等泵的前级泵用。所以它可用以真空镀膜、煤油气相干燥真空浸渍、真空干燥以及脱水、真空冶金等。

7 M. \% \4 U) h. Z   Model X-150 Rotary Vacuum Pump can be used as the main pump alone as well as a fore pump for booster pump and diffusion pump. It is adaptable to vacuum plating. Gaseous drying of kerosene vacuum impregnation, vacuum drying. Dehydration,vacuum metallurgy and so on.
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特点Characteristic

% t3 C; w2 q+ d0 D- D0 h     1.相对于XD系列单级真空泵具有极限真空高，对于滑阀真空泵可通过调整消声针阀来控制噪声，由于其转子偏心质量小，且对转子作了平衡，故振动小。
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& B, p' x1 {6 ~3 {0 x+ u) c& v6 Y0 u8 n0 ?      2.抽气效率高。
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      3.气镇性能好。

   泵有经过特殊设计的气镇装置可向排气腔充入干燥气体，从而大大降低气体中蒸汽的分压力。当其低于泵温下的饱和蒸汽压时即可随充入空气排出泵外，而避免凝结在泵油中。
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      4.泵配有温控水量调解阀

    泵工作时通过泵自身所配上述调节水压，可将泵温调至75℃±5℃，从而提高派出气体中蒸汽的饱和蒸汽压力，使蒸汽更易于排出泵外，但应使泵温不超过80℃（邮箱测温点）。
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      5.泵有油水分离器
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% e  d! e% U5 d" K% P    它能够使泵油中的杂质和凝结物存积到油水分离器的底部，通过安装在底部的防水阀排出泵外。
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4 c$ p1 {0 ?) R5 i( Z( I- o$ n% ^    1.Comparing with XD Series Single-Stage Vacuum Pump. The pump has high ulimate vacuum. To Slide valve Vacuum Pump, the noise can be controlled by regulating valve of sound damping needle. The vibration is weak because the rotor is mounted eccentrically and has little weight, and the dynamic balance is done to the rotor.
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    2.High efficiency of pimping air

) d" z! O/ z/ u( R+ N2 M, n* H    3.Fine specification of gas ballast
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   The pump is installed with specially designed gas ballast equipment. The drying gas can be fed to the exhausted gas. In case the pressure is lower than the saturated vapor pressure under the pump temperature. It will be soon exhausted to the atmosphere along with the filled air and will not be condensed into water in the pump oil.
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; e) N$ d5 I6 {    4.The pump has temperature controlling regulator valve of water capacity.
# @  B7 F! V* D- D" ?) S: dWhen the pump is in operation. The temperature will be arised to 75℃±6℃by the regulator valve and ies saturated vapor pressure in the exhausted gas will be arised. So the steam will be exhausted out of the pump more easily. But the pump temperature must be lower than 80℃(oil basin thermal point).
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     5.The pump has oil water separator

" \: |6 [" E, g) i. f( {    The separator can deposit the impurity and coagulum in the pump oil to its bottom, and they will be exhausted out of the pump by the water drain valve installed in the base.

技术参数：Technical Parameter:  

( S$ r- X' B4 z1 G* }3 D抽气速率Pumping Speed(L/S)  150 水蒸汽油除率Water-vapour pumping rate(kg/h)  14  
% s5 U$ a8 b3 e4 v* a极限真空
Ultimate vacuum(Pa)  气镇关
Without gas ballast <2 噪音Noise(LP/Lw) 75/91  
气镇开
: H, W" `* ~2 d$ q, _With gas ballast  <66 冷却水需要量
# O, T  |9 F: tCooling water consumption(L/h)  >200  
5 u2 i' s' W7 \' [4 t; r转速Speed(r/min) 345 最高工作油温
The highest oil temperature in operation(℃)  80  
) K% n1 b$ L+ v9 a2 y5 ^* z电动机功率 Motor power(Kw)  15 用油量 Oil capacity(L)  45  
进气口直径Air inlet diamm)  ф100 外型尺寸Overall dimension(mm)  1925×990×1130  
重量Weight(Kg) 1100

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