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Lord Fin Tube-Centrifugal sewage heat exchanger

What is centrifugal sewage heat exchanger?

The centrifugal sewage heat exchanger, also known as a sewage heat exchanger, is a highly utilized equipment in sewage treatment worldwide. Its main challenge lies in addressing sewage blockage and corrosion while improving heat transfer efficiency. The centrifugal sewage heat exchanger plays a vital role and has become a popular choice for sewage source heat pump technology applications. On March 7, 2012, it was granted a utility model patent by the State Patent Bureau and underwent testing by the national thermal test institution of the Department of Thermal Engineering at Tsinghua University. Through continuous innovation, new types of centrifugal sewage heat exchangers have emerged, such as those for mine water, slag water, and printing and dyeing wastewater.

The sewage heat exchanger effectively tackles corrosion and scaling issues. In its design, it breaks away from conventional thinking and changes the industrys approach to sewage treatment. Instead of filtering the sewage, it allows the sewage to flow directly into the heat exchanger through diversion. This ensures a smooth flow of sewage and debris within the exchanger, leveraging fluid motion principles and the recuperative heat principle to prevent clogging and improve heat exchange efficiency. This approach eliminates the need for extensive filters, which are commonly used in traditional heat exchangers and reduce the efficiency and quality of the heat source. Furthermore, by utilizing sewage waste water, the heat exchanger provides an effective solution for the recycling and utilization of urban sewage, reducing water treatment costs and wastage.

In China, approximately 400 million tons of industrial wastewater is emitted annually, with 20%-30% of it being high-temperature sewage at 50 to 80 degrees Celsius. Industries such as printing, dyeing, and paper production contribute around 120 million tons of sewage, which contains significant heat energy. By discharging this water at a temperature as low as 10 degrees Celsius, it is possible to save 17,100,000 tons of coal annually. There is substantial potential for heat recovery in various other industries as well.

The Tonglida Company, specializing in sewage heat transfer, takes into account the unique characteristics of sewage water heat transfer during flow control and considers material compatibility and maintenance efforts for different heat exchangers based on sewage water quality. The company employs the latest anti-scaling technology, which not only enhances heat transfer efficiency but also reduces environmental pollution caused by sewage scaling.

The centrifugal sewage heat exchanger is the most widely used equipment for sewage heat exchange globally and represents a cutting-edge product in sewage source heat pump technology.

Centrifugal sewage heat exchanger

centrifugal sewage heat exchanger

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