www.878365.com、压缩机区别在哪里? - 济南www.878365.com价格
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www.878365.com、压缩机区别在哪里?
Time:2019-12-03 16:26:12       来源:/      

  www.878365.com和压缩机其实是存在一定共性和联系的两种完全不同的机械产品,他们的使用场景和工作原理都有一定的区别,并不是像大家平时所认为的www.878365.com就是压缩机。

  In fact, air compressor and compressor are two completely different mechanical products with certain commonness and connection. Their use scenarios and working principles are different, not as we usually think that air compressor is compressor.
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  两者的概念和区别
  The concept and difference between the two
  www.878365.com就是空气压缩机。主要是用来压缩空气的机械产品,在很多地方都会用到。比如www.878365.com的一个最常用的功能是能够将空气进行压缩从而用作动力,在电力行业运用比较广泛。除此之外还可以用来制冷和分离气体,输送气体等等作用。在生活和工作中发挥着非常重要的作用。
  An air compressor is an air compressor. Mainly used for compressed air mechanical products, in many places will be used. For example, one of the most commonly used functions of air compressor is to compress air for power, which is widely used in the power industry. In addition, it can also be used to cool and separate gas, transport gas and so on. It plays a very important role in life and work.
  而压缩机则是总称,是一种将低压气体提升为高压气体的从动的流体机械。且压缩机有很多种类,如冷媒压缩机、氢气压缩机和空气压缩机等等。空气压缩机只是压缩机中的一种。
  The compressor is a general term, is a kind of low-pressure gas to high-pressure gas driven fluid machinery. And there are many kinds of compressors, such as refrigerant compressor, hydrogen compressor and air compressor and so on. The air compressor is just one of the compressors.
  很多人都会认为气泵就是www.878365.com。气泵是很久前所说的是活塞式www.878365.com, 现在www.878365.com种类比较多,螺杆机,无油机,节能变频www.878365.com等等。气泵和www.878365.com的原理还是有差别的。
  Many people think that air pump is air compressor. Air pump is a long time ago said that the piston type air compressor, now air compressor types are more, screw machine, oil-free machine, energy-saving frequency conversion air compressor and so on. The principle of air pump and air compressor is different.
  两者原理
  The two principles
  www.878365.com的工作原理:
  Working principle of air compressor:
  以螺杆www.878365.com为例,螺杆压缩机的工作循环可分为进气、压缩、和排气三个过程。随着转子旋转,每对相互啮合的齿相继完成相同的工作循环。
  Taking screw air compressor as an example, the working cycle of screw compressor can be divided into three processes: intake, compression and exhaust. As the rotor rotates, each pair of meshing teeth successively complete the same working cycle.
  1. 进气过程:转子转动时,阴阳转子的齿沟空间在转至进气端壁开口时,其空间最大,此时转子齿沟空间与进气口的相通,因在排气时齿沟的气体被完全排出,排气完成时,齿沟处于真空状态,当转至进气口时,外界气体即被吸入,沿轴向进入阴阳转子的齿沟内。当气体充满了整个齿沟时,转子进气侧端面转离机壳进气口,在齿沟的气体即被封闭。
  1. Air intake process: when the rotor rotates, the space of the tooth groove of the male and female rotors is the largest when it turns to the opening of the air intake end wall. At this time, the space of the tooth groove of the rotor is connected with the air inlet. Because the gas in the tooth groove is completely discharged when the exhaust is completed, the tooth groove is in a vacuum state. When it turns to the air inlet, the external gas is sucked in and enters the tooth groove of the male and female rotors along the axial direction 。 When the gas is full of the entire groove, the end face of the rotor inlet side turns away from the air inlet of the casing, and the gas in the groove is closed.
  2. 压缩过程:阴阳转子在吸气结束时,其阴阳转子齿尖会与机壳封闭,此时气体在齿沟内不再外流。其啮合面逐渐向排气端移动。啮合面与排气口之间的齿沟空间渐渐变小,齿沟内的气体被压缩压力提高。
  2. Compression process: when the suction of the male and female rotors is finished, the tooth tips of the male and female rotors will be closed with the casing, at this time, the gas will not flow out in the groove. The meshing surface gradually moves to the exhaust end. The groove space between the meshing surface and the exhaust port becomes smaller and smaller, and the gas in the groove is compressed to increase the pressure.
  3. 排气过程:当转子的啮合端面转到与机壳排气口相通时,被压缩的气体开始排出,直至齿尖与齿沟的啮合面移至排气端面,此时阴阳转子的啮合面与机壳排气口的齿沟空间为0,即完成排气过程,在此同时转子的啮合面与机壳进气口之间的齿沟长度又达到最长,进气过程又再进行。
  3. Exhaust process: when the meshing end face of the rotor turns to be connected with the exhaust port of the casing, the compressed gas starts to exhaust until the meshing surface of the tooth tip and the tooth groove moves to the exhaust end face. At this time, the space between the meshing surface of the male and female rotors and the tooth groove of the exhaust port of the casing is 0, that is to say, the exhaust process is completed. At the same time, the length of the tooth groove between the meshing surface of the rotor and the air inlet of the casing reaches the maximum, The intake process is repeated.
  工艺压缩机的工作原理:
  Working principle of process compressor:
  以常见的离心式压缩机为例,汽轮机(或电动机)带动压缩机主轴叶轮转动,在离心力作用下,气体被甩到工作轮后面的扩压器中去。而在工作轮中间形成稀薄地带,前面的气体从工作轮中间的进汽部份进入叶轮,由于工作轮不断旋转,气体能连续不断地被甩出去,从而保持了气压机中气体的连续流动。气体因离心作用增加了压力,还可以很大的速度离开工作轮,气体经扩压器逐渐降低了速度,动能转变为静压能,进一步增加了压力。如果一个工作叶轮得到的压力还不够,可通过使多级叶轮串联起来工作的办法来达到对出口压力的要求。级间的串联通过弯通,回流器来实现。这就是离心式压缩机的工作原理。
  Taking the common centrifugal compressor as an example, the turbine (or motor) drives the main shaft impeller of the compressor to rotate. Under the centrifugal force, the gas is thrown into the diffuser behind the working wheel. A thin zone is formed in the middle of the working wheel, and the gas in front enters the impeller from the steam inlet part in the middle of the working wheel. As the working wheel rotates continuously, the gas can be continuously thrown out, thus maintaining the continuous flow of gas in the air compressor. The pressure of gas is increased by centrifugal action, and the gas can leave the working wheel at a great speed. The speed of gas is gradually reduced by the diffuser, and the kinetic energy is converted into static pressure energy, which further increases the pressure. If the pressure of a working impeller is not enough, the outlet pressure can be achieved by connecting the multi-stage impellers in series. The series connection between stages is realized by bending and reflux. This is the working principle of centrifugal compressor.

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