设备组成：真空碳氢设备由清洗干燥机主体、超声波系统、真空脱气系统、循环过滤系统、机械臂系统，真空干燥系统、真空蒸馏回收系统、HC浓度监测系统、自动灭火系统及电气控制系统等。

Equipment composition: The vacuum hydrocarbon equipment consists of a cleaning and drying machine body, ultrasonic system, vacuum degassing system, circulating filtration system, mechanical arm system, vacuum drying system, vacuum distillation recovery system, HC concentration monitoring system, automatic fire extinguishing system, and electrical control system.

1．真空清洗工作原理：清洗剂中残存的气体较多，含气量是水的8-10倍，超声波振动子发出的高周波遇到气体（残存氧气）就会衰减，影响了超声波的精密清洗效果。超声波空化效应也难以展开，因此需要真空脱气。首先清洗篮进入清洗槽。这时气缸驱动槽盖自动关闭清洗槽，真空脱气系统启动，将槽内空气抽尽，在真空状态下可以将需要清洗的产品的狭小缝隙内气体及含在清洗剂中的气体抽出，超声波启动，摇摆装置启动，带动洗篮转动，使清洗剂可以充分进行清洗；到设定的时间后，真空释放，缸盖打开，清洗篮进入下一槽

1. Working principle of vacuum cleaning: There is a large amount of residual gas in the cleaning agent, with a gas content 8-10 times that of water. The high-frequency wave emitted by the ultrasonic vibrator will attenuate when it encounters the gas (residual oxygen), which affects the precision cleaning effect of ultrasonic waves. The cavitation effect of ultrasound is also difficult to unfold, so vacuum degassing is required. First, the cleaning basket enters the cleaning tank. At this time, the cylinder drives the tank cover to automatically close the cleaning tank, and the vacuum degassing system starts to exhaust the air in the tank. Under vacuum, the gas in the narrow gap of the product that needs to be cleaned and the gas contained in the cleaning agent can be extracted. The ultrasonic wave starts, the swinging device starts, and drives the washing basket to rotate, so that the cleaning agent can be fully cleaned; After the set time, the vacuum is released, the cylinder head opens, and the cleaning basket enters the next slot

2．真空蒸馏回收原理：

2. Principle of vacuum distillation recovery:

1)加热：采用导热油间接加热方式。槽体下部外附一个加热油包，外置一个导热油加热箱，加热功率为12kW。首先由发热管对导热油进行加温，再通过泵浦将加热油输送到加热油包，经过热交换后再输送回加热箱加热，如此循环。加热油包有独立的温控系统，油温R.T.～140℃可调

1) Heating: Indirect heating method using thermal oil. There is a heating oil package attached to the lower part of the tank, and an external thermal oil heating box with a heating power of 12kW. Firstly, the heat transfer oil is heated by a heating tube, and then transported to the heating oil package through a pump. After heat exchange, it is then transported back to the heating box for heating, and this cycle continues. The heating oil package has an independent temperature control system, and the oil temperature is R T. Adjustable to 140 ℃

2)需要回收的清洗剂（溶剂1）经过泵抽入真空蒸馏回收槽，进入真空回收槽之前，首先进入一个热交换筒，在此与蒸馏回收的HC蒸汽管进行热交换。经过抽真空后，清洗剂迅速沸腾并蒸发，产生HC蒸汽，然后可在冷凝区进行冷凝回收，回收的纯净清洗剂排入储液槽，循环使用，具有自动补液循环和漂洗使用功能。

2) The cleaning agent (solvent 1) that needs to be recycled is pumped into the vacuum distillation recovery tank. Before entering the vacuum recovery tank, it first enters a heat exchange cylinder where it exchanges heat with the HC steam pipe recovered from distillation. After vacuuming, the cleaning agent quickly boils and evaporates, producing HC vapor, which can then be condensed and recovered in the condensation area. The recovered pure cleaning agent is discharged into the storage tank and reused, with automatic replenishment circulation and rinsing functions.

3)强力真空减压系统，配备真空减压泵，真空显示表。真空马达为西门子，设有电磁阀。真空蒸馏回收能力为200L/H，常温常压下，碳化水素的沸点为172℃，减压情况下，可以降低沸点，高温碳化水素在减压条件下迅速形成HC蒸汽，被真空泵一起抽出回收槽，在冷却箱内再形成液体，经过活性碳过滤，称为再生液，可以循环使用。

3) Powerful vacuum pressure reducing system, equipped with vacuum pressure reducing pump and vacuum display gauge. The vacuum motor is Siemens and equipped with an electromagnetic valve. The recovery capacity of vacuum distillation is 200L/H. Under normal temperature and pressure, the boiling point of carbonized water element is 172 ℃. Under reduced pressure, the boiling point can be reduced. High temperature carbonized water element quickly forms HC vapor under reduced pressure, which is pumped out of the recovery tank by a vacuum pump and then forms a liquid in the cooling box. After being filtered by activated carbon, it is called regeneration liquid and can be recycled.

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