蒸发单元​

Evaporation unit

蒸发单元是低温废水回收设备的关键部分，主要包括蒸发釜、加热装置、真空系统等组件。蒸发釜通常采用耐腐蚀的不锈钢材质制作，能够承受一定的压力和温度变化，且内部结构设计合理，有利于废水的均匀分布和蒸发效率的提升。加热装置一般采用电加热、蒸汽加热或热水加热等方式，为废水蒸发提供所需的热量。真空系统则通过真空泵将蒸发釜内的空气抽出，维持低压环境，确保废水在低温下能够顺利蒸发。例如，在某食品加工企业的低温废水回收设备中，蒸发釜采用双层不锈钢结构，中间填充保温材料，减少热量散失，加热装置采用蒸汽加热，通过精确控制蒸汽流量，实现对蒸发温度的精准调控，真空系统配备高性能真空泵，能够快速将蒸发釜内压力降至设定值。​

The evaporation unit is a key component of low-temperature wastewater recovery equipment, mainly including evaporation kettle, heating device, vacuum system and other components. Evaporation kettles are usually made of corrosion-resistant stainless steel materials, which can withstand certain pressure and temperature changes. The internal structure design is reasonable, which is conducive to the uniform distribution of wastewater and the improvement of evaporation efficiency. Heating devices generally use methods such as electric heating, steam heating, or hot water heating to provide the required heat for wastewater evaporation. The vacuum system extracts the air from the evaporator through a vacuum pump to maintain a low-pressure environment, ensuring that the wastewater can evaporate smoothly at low temperatures. For example, in the low-temperature wastewater recovery equipment of a certain food processing enterprise, the evaporation kettle adopts a double-layer stainless steel structure, with insulation material filled in the middle to reduce heat loss. The heating device adopts steam heating, and the evaporation temperature is precisely controlled by precisely controlling the steam flow rate. The vacuum system is equipped with a high-performance vacuum pump, which can quickly reduce the pressure inside the evaporation kettle to the set value. ​

冷凝单元​

Condensation unit

冷凝单元由冷凝器、冷却介质循环系统等构成。冷凝器的类型多样，常见的有列管式冷凝器、板式冷凝器等。列管式冷凝器具有换热效率高、结构紧凑等优点，适用于处理量大的场合；板式冷凝器则具有占地面积小、清洗维护方便等特点。冷却介质循环系统负责将冷却介质（如水或空气）输送至冷凝器，吸收水蒸气的热量后，再通过冷却塔或其他散热装置进行冷却，循环使用。例如，在某电子制造企业的低温废水回收设备中，采用板式冷凝器进行水蒸气冷凝，冷却介质为循环水，通过水泵将冷却水泵送至冷凝器，吸收热量后的热水进入冷却塔进行散热降温，然后再回到冷凝器循环使用，实现了冷却介质的高效循环利用。​

The condensing unit consists of a condenser, a cooling medium circulation system, etc. There are various types of condensers, including tubular condensers and plate condensers. The tubular condenser has the advantages of high heat transfer efficiency and compact structure, and is suitable for applications with large processing capacity; Plate condenser has the characteristics of small footprint, easy cleaning and maintenance. The cooling medium circulation system is responsible for transporting the cooling medium (such as water or air) to the condenser, absorbing the heat of water vapor, and then cooling it through a cooling tower or other heat dissipation device for recycling. For example, in a low-temperature wastewater recovery equipment of an electronic manufacturing enterprise, a plate condenser is used for water vapor condensation, and the cooling medium is circulating water. The cooling water is pumped to the condenser through a water pump, and the hot water that absorbs heat enters the cooling tower for heat dissipation and cooling, and then returns to the condenser for recycling, achieving efficient recycling of the cooling medium. ​

控制系统​

Control system

控制系统是低温废水回收设备的 “大脑”，负责对设备的运行参数进行监测和调控。通过传感器实时监测蒸发釜内的温度、压力，以及冷凝水的水质、流量等参数，并将数据传输至控制器。控制器根据预设的参数范围，自动调节加热装置的功率、真空系统的抽气速率、冷却介质循环系统的流量等，确保设备始终处于最佳运行状态。例如，当蒸发釜内温度过高时，控制器自动降低加热装置的功率；当冷凝水水质出现异常时，控制器发出警报并启动相应的净化处理程序，保障了设备运行的稳定性和回收水的质量。

The control system is the "brain" of the low-temperature wastewater recovery equipment, responsible for monitoring and regulating the operating parameters of the equipment. Real time monitoring of temperature, pressure, condensate water quality, flow rate, and other parameters inside the evaporator kettle through sensors, and transmission of data to the controller. The controller automatically adjusts the power of the heating device, the pumping rate of the vacuum system, the flow rate of the cooling medium circulation system, etc. according to the preset parameter range, to ensure that the equipment is always in the optimal operating state. For example, when the temperature inside the evaporator is too high, the controller automatically reduces the power of the heating device; When the quality of condensate water is abnormal, the controller issues an alarm and starts the corresponding purification treatment program, ensuring the stability of equipment operation and the quality of recovered water.

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