| 简述空压机主机周期性大修的原因及必要性 |
| 添加时间：2022/10/29 15:53:15 浏览次数： |
| 简述空压机主机周期性大修的原因及必要性 The reason and necessity of periodic overhaul of air compressor host are briefly described. 空压机主机是空压机的核心部分，长期处于高速运转状态，由于部件和轴承都有其相应的使用寿命，其在运行到一定时间或年限后都必须进行预防性大修，概括说主要需针对以下几项开展大修工作： The main engine of the air compressor is the core part of the air compressor, which has been running at high speed for a long time. Since the components and bearings have their corresponding service life, they must be overhauled after a certain period or number of years of operation. In summary, the overhaul work mainly needs to be carried out for the following items: （1）间隙调整 (1) Clearance adjustment a、主机的阴阳转子间的径向间隙增大。带来的直接后果是压缩机在压缩的过程中泄漏（即回渗漏）增大，排出机器的压缩空气体积变小。体现在效率方面就是压缩机的压缩效率降低。 a. The radial clearance between the male and female rotors of the main engine increases. The direct consequence is that the leakage (i.e. back leakage) of the compressor increases during compression, and the volume of compressed air discharged from the machine decreases. In terms of efficiency, the compression efficiency of the compressor is reduced. b、阴阳转子与后端盖和轴承处的间隙增大，主要会影响压缩机的密封性和压缩效率，同时对阴阳转子的使用寿命会产生很大的影响，大修进行调整转子间隙避免转子与外壳划痕或磨伤。 b. The increase of the clearance between the male and female rotors and the rear end cover and bearing will mainly affect the tightness and compression efficiency of the compressor, and will also have a great impact on the service life of the male and female rotors. The rotor clearance shall be adjusted during overhaul to avoid scratches or abrasions between the rotor and the housing. c、主机螺杆之间、螺杆与前后端面之间、螺杆与主机壳体之间可能出现强烈摩擦，电机就会处于超负荷的工作状态，会严重地危及电u型槽模具 井盖钢模具 保定雅思 一次性止血带 保定养老院 保定水处理设备 一次性止血带 机的安全运行。如果空压机组的电器保护装置反应不灵敏或失效，则还可能导致电机烧毁。 c. Strong friction may occur between the host screws, between the screws and the front and rear end faces, and between the screws and the host shell, and the motor will be in an overloaded working state, which will seriously endanger the safe operation of the motor. If the electrical protection device of the air compressor unit is insensitive or fails, the motor may also be burnt |
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