空气压缩机的种类很多
There are many kinds of air compressors
按工作原理可分为容积式压缩机、往复式压缩机、离心式压缩机。现在常用的空气压缩机有活塞式空气压缩机、螺杆式空压机、离心式压缩机以及滑片式空气压缩机、涡旋式空气压缩机。
According to the working principle, it can be divided into displacement compressor, reciprocating compressor and centrifugal compressor. Now commonly used air compressors include piston air compressor, screw air compressor, centrifugal compressor, sliding vane air compressor and scroll air compressor.
我们一般市场上见的最多的应该就是活塞式空压机和螺杆空压机了，我们国内最早用的就是活塞式空压机，它的原理就是由连杆、活塞、气缸、这些东西组成。当曲轴旋转时，通过连杆的传动，活塞便做往复运动，由气缸内壁、气缸盖和活塞顶面所构成的工作容积则会发生周期性变化。活塞从气缸盖处开始运动时，气缸内的工作容积逐渐增大，这定州苗木 保定通风管道 丝网立柱模具 尼龙输送带 保定防水 保定空压机 高碑店养老院时，气体即沿着进气管，推开进气阀而进入气缸，直到工作容积变到最大时为止，进气阀关闭；活塞反向运动时，气缸内工作容积缩小，气体压力升高，当气缸内压力达到并略高于排气压力时，排气阀打开，气体排出气缸，直到活塞运动到极限位置为止，排气阀关闭。当活塞再次反向运动时，上述过程重复出现。总之，曲轴旋转一周，活塞往复一次，气缸内相继实现进气、压缩、排气的过程，即完成一个工作循环。但是由于活塞式空压机噪音大，易损件太多逐渐被螺杆空压机取代。
The piston air compressor and screw air compressor are the most common ones in our market. The piston air compressor is the first one used in our country. Its principle is composed of connecting rod, piston, cylinder and so on. When the crankshaft rotates, the piston will reciprocate through the transmission of the connecting rod, and the working volume composed of the inner wall of the cylinder, the cylinder head and the top surface of the piston will change periodically. When the piston starts to move from the cylinder head, the working volume in the cylinder increases gradually. At this time, the gas flows along the intake pipe, pushes open the intake valve and enters the cylinder until the working volume reaches the maximum, and the intake valve is closed; When the piston moves in the opposite direction, the working volume in the cylinder decreases and the gas pressure increases. When the pressure in the cylinder reaches and is slightly higher than the exhaust pressure, the exhaust valve opens and the gas is discharged from the cylinder until the piston moves to the limit position, and the exhaust valve closes. When the piston moves in the opposite direction again, the above process repeats. In a word, the crankshaft rotates once, the piston reciprocates once, and the process of air intake, compression and exhaust in the cylinder successively completes a working cycle. However, due to the loud noise of piston air compressor, too many vulnerable parts are gradually replaced by screw air compressor