In the current era where environmental protection and sustainable development are highly concerned, a large amount of wastewater generated by industry and daily life urgently needs to be treated. Low temperature wastewater recovery equipment plays a crucial role in wastewater treatment and resource recovery due to its unique technology and efficient performance.
The low-temperature wastewater recovery equipment operates based on the principle of low-temperature evaporation. Traditional evaporation requires heating water to boiling point to separate water vapor, which consumes a lot of energy. This device utilizes the characteristic that the boiling point of water decreases with decreasing pressure, and reduces the internal pressure through a vacuum system, allowing wastewater to evaporate at 40 ℃ -60 ℃, significantly reducing energy consumption. At the same time, the equipment utilizes heat exchangers to achieve efficient energy utilization by utilizing waste heat or a small amount of external heat sources.
Wastewater first flows into the pretreatment unit to remove large particle impurities and suspended solids, preventing subsequent component blockages. The pre treated wastewater enters the evaporation tank and evaporates under low pressure. The water vapor rises to the top condensation device and liquefies into pure water, which flows into the collection tank. The impurities such as salt and heavy metal ions in the wastewater remain at the bottom of the tank and are regularly discharged for treatment. The equipment precisely regulates parameters such as pressure, temperature, and liquid level through an automated control system to ensure stable operation.
Compared to traditional wastewater treatment methods, low-temperature wastewater recovery equipment has significant advantages. The energy-saving effect is outstanding. Compared with high-temperature evaporation equipment, it can save 30% -60% of energy and reduce the operating costs of enterprises. Low temperature environment causes minimal damage to heat sensitive substances such as bioactive components and organic compounds in wastewater, which is beneficial for resource recovery. Moreover, the device adopts a compact modular design, occupying a small area and making installation and maintenance convenient.
In the chemical industry, this equipment can recover valuable solvents, acids, and bases from wastewater, achieving resource recycling and reducing pollution emissions. For example, pharmaceutical factories can recover organic solvents for production. In the electronics industry, the wastewater from cleaning circuit boards can be treated to recover pure water resources for cleaning and extract heavy metals. In industries such as food processing and printing and dyeing, low-temperature wastewater recycling equipment helps achieve green production and promote sustainable economic and environmental development.
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