There are a lot of industrial or domestic wastes in raw sewage, floc, hair, oil, corrosive liquids... The composition is complex. For many reasons, sewage heat exchangers must be anti-clogging and anti-clogging in wastewater heating applications. pollution, low pressure loss and high heat transfer coefficient.
Ordinary heat exchangers have obvious design flaws, and blockage and heat exchanger cleaning have become the most troublesome problems in the use of wastewater source heat pump plant systems.
Some sewage source heat pump manufacturers have made some improvements on this basis, such as adding a wastewater filtration device - an "anti-blocking machine" - to the front end of the sewage source heat pump, but they still have to filter the wastewater for thermal energy Exchange [if there is filtration, there will be blockage, you know], it is far less innovative than the centrifugal sewage heat exchanger.
The centrifugal sewage heat exchanger uses a variety of new materials and surface treatment technologies to solve the problems of anti-corrosion and scaling; in terms of design, the centrifugal sewage and wastewater heat exchanger has changed the industry's wastewater utilization Choosing the route of the filter breaks the shackles of inertial thinking and allows the wastewater to directly enter the heat exchanger. It is channeled rather than filtered. This allows the sewage, wastewater and dirt to circulate smoothly down the heat exchanger, and the intermediary water flows countercurrently. On the other hand, the movement patterns of fluids and the principle of partition-type heat exchange are used to solve the clogging problem in the application of sewage and wastewater and improve the heat exchange efficiency. The centrifugal wastewater heat exchanger was awarded a utility model patent by the State Patent Office on March 7, 2012.