Method for using device for desalting and purifying sewage through refrigeration and centrifugation
A technology of purification device and refrigerated centrifugation, which is applied in the field of environmental engineering to achieve the effects of simple device, low energy consumption and avoiding low water production
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Embodiment 1
[0028] Composition and use method of refrigerated centrifugal sewage desalination and purification device
[0029] (1) A device for desalination and purification of refrigerated centrifugal sewage, comprising a water inlet system, an air-conditioning refrigeration system, a drum ice production system and an ice cube separation and collection system. The water inlet system consists of a pre-cooling water tank (1), a submersible pump (2) and a perforated spray pipe (3). The cold water tank (1) is connected to the perforated spray pipe (3) through pipes; the air conditioning and refrigeration system consists of a compressor (5), a condenser (6), a throttle valve (7), an evaporator (8) and a low temperature temperature The sensor (9) is composed, the evaporator (8) is wound on the insulating layer (11) of the inner cylinder (10), and the low temperature temperature sensor (9) is located between the inner cylinder (10) and the outer rotating cylinder (12); The rotating drum ice pr...
Embodiment 2
[0033] The seawater desalination test is carried out by using the device of the invention. The seawater is collected from the Bohai Bay, and the seawater salinity is 32.08. After the seawater is processed by the frozen centrifugal desalination device, the water quality of the incoming and outgoing water is monitored. The results show that the system can remove the salinity in the seawater. The removal rate of algae in seawater is 93.82%, and the removal rate of algae in seawater is 62.50%. After treatment, various indicators such as salt content in the desalinated water can meet the water quality standards for farmland irrigation, and can meet the requirements of agricultural irrigation and industrial production water.
Embodiment 3
[0035] The RO (reverse osmosis) concentrated water desalination test is carried out by using the device of the present invention. The RO concentrated water is taken from a steel plant in Tianjin with a salinity of 11.25. It shows that the system can remove 91.56% of the salinity in the RO concentrated water, and the salinity index in the desalinated water after treatment reaches the water quality standard for farmland irrigation, which can meet the water requirements for agricultural irrigation and industrial production.
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