在制冷系统中有许多贮液容器,如低压循环贮液器,中间冷却器和高压贮液器等。这些容器的液位正常与否对确保整个制冷系统安全、经济地运行起十分重要的作用。因此液位也是一个重要的被调参数。制冷生产过程中对液位自动调节的主要要求是:(1)容器液位应控制在一定的高度。(2)随时检测容器的液位,并在越限时自动发 There are many storage tanks in refrigeration systems, such as low pressure circulation reservoirs, intercoolers and high pressure reservoirs. The normal level of these containers to ensure that the entire refrigeration system safe and economical operation plays a very important role. Therefore, the level is also an important parameter to be adjusted. The main requirements for the automatic adjustment of liquid level in the process of refrigeration production are as follows: (1) The container liquid level should be controlled at a certain height. (2) At any time to detect the level of the container, and automatically sent over the limit