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                    空壓機、壓縮機區別在哪里?
                    Time:2019-12-03 16:26:12       來源:http://www.joeandcourtney.com/      

                      空壓機和壓縮機其實是存在一定共性和聯系的兩種完全不同的機械產品,他們的使用場景和工作原理都有一定的區別,并不是像大家平時所認為的空壓機就是壓縮機。

                      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.
                    濟南空壓機
                      兩者的概念和區別
                      The concept and difference between the two
                      空壓機就是空氣壓縮機。主要是用來壓縮空氣的機械產品,在很多地方都會用到。比如空壓機的一個最常用的功能是能夠將空氣進行壓縮從而用作動力,在電力行業運用比較廣泛。除此之外還可以用來制冷和分離氣體,輸送氣體等等作用。在生活和工作中發揮著非常重要的作用。
                      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.
                      而壓縮機則是總稱,是一種將低壓氣體提升為高壓氣體的從動的流體機械。且壓縮機有很多種類,如冷媒壓縮機、氫氣壓縮機和空氣壓縮機等等??諝鈮嚎s機只是壓縮機中的一種。
                      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.
                      很多人都會認為氣泵就是空壓機。氣泵是很久前所說的是活塞式空壓機, 現在空壓機種類比較多,螺桿機,無油機,節能變頻空壓機等等。氣泵和空壓機的原理還是有差別的。
                      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.
                      兩者原理
                      The two principles
                      空壓機的工作原理:
                      Working principle of air compressor:
                      以螺桿空壓機為例,螺桿壓縮機的工作循環可分為進氣、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。
                      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. 進氣過程:轉子轉動時,陰陽轉子的齒溝空間在轉至進氣端壁開口時,其空間最大,此時轉子齒溝空間與進氣口的相通,因在排氣時齒溝的氣體被完全排出,排氣完成時,齒溝處于真空狀態,當轉至進氣口時,外界氣體即被吸入,沿軸向進入陰陽轉子的齒溝內。當氣體充滿了整個齒溝時,轉子進氣側端面轉離機殼進氣口,在齒溝的氣體即被封閉。
                      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. 壓縮過程:陰陽轉子在吸氣結束時,其陰陽轉子齒尖會與機殼封閉,此時氣體在齒溝內不再外流。其嚙合面逐漸向排氣端移動。嚙合面與排氣口之間的齒溝空間漸漸變小,齒溝內的氣體被壓縮壓力提高。
                      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. 排氣過程:當轉子的嚙合端面轉到與機殼排氣口相通時,被壓縮的氣體開始排出,直至齒尖與齒溝的嚙合面移至排氣端面,此時陰陽轉子的嚙合面與機殼排氣口的齒溝空間為0,即完成排氣過程,在此同時轉子的嚙合面與機殼進氣口之間的齒溝長度又達到最長,進氣過程又再進行。
                      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.
                      工藝壓縮機的工作原理:
                      Working principle of process compressor:
                      以常見的離心式壓縮機為例,汽輪機(或電動機)帶動壓縮機主軸葉輪轉動,在離心力作用下,氣體被甩到工作輪后面的擴壓器中去。而在工作輪中間形成稀薄地帶,前面的氣體從工作輪中間的進汽部份進入葉輪,由于工作輪不斷旋轉,氣體能連續不斷地被甩出去,從而保持了氣壓機中氣體的連續流動。氣體因離心作用增加了壓力,還可以很大的速度離開工作輪,氣體經擴壓器逐漸降低了速度,動能轉變為靜壓能,進一步增加了壓力。如果一個工作葉輪得到的壓力還不夠,可通過使多級葉輪串聯起來工作的辦法來達到對出口壓力的要求。級間的串聯通過彎通,回流器來實現。這就是離心式壓縮機的工作原理。
                      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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