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First Generation
2005Year
Anti blocking machine + shell tube heat exchanger + heat pump unit

Sewage heat exchange is preliminary realized, which provides the basis for the later development of the technology . The disadvantage is that the cleaning is too frequent and easy to plug. In practice, the cost of follow-up maintenance is relatively large.

Second Generation
2007Year
Wide flow passage heat exchanger + heat pump unit

The low pressure bearing capacity (0.3), the insufficient reliability of the structure, and the failure of the service life to achieve the desired target, there is still a problem of impurity clogging, which requires regular manual cleaning.

Third Generation
2011Year
Dredging heat collection equipment + high efficiency heat pump unit

Completely solved the "Three Prevention" and processing problems, high pressure bearing capacity (0.9), reliable structure, the service life of more than 20 years.

Fourth Generation
2017Year
Cold water phase change energy heat pump unit

The water consumption is very low, only 5% of the water used for the conventional water source heat pump, and the water can be transferred over a long distance, completely solve the problem of insufficient heat sources. This system can also be used in winter and summer, with more economic advantages.

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