What are the disadvantages of traditional heat exchangers?
First, affect the system stability. Solar plate heat exchangers are mainly used for flat solar energy concentrated heat collection projects. Once a leakage point appears, it cannot be processed in time. It will cause a large part of the liquid to leak, the intelligent control system will not be protected, and a large amount of air will enter the pipeline, causing the solar heat collection and circulation pump to not be able to normalize the solar thermal energy of the flat panel to the plate type. In the heat exchanger, it will cause the heat collection system to collapse.
Second, maintenance is difficult. Take the breakage between the two sets of flat plate collectors for the breakage, it is very difficult to repair and replace them. After the repair is completed, it is necessary to manually add supplementary fluids for trial operation to ensure that there are no leaks in the plates and pipes, and the equipment can be normally operated before it can be delivered for use. It takes a lot of manpower and financial resources to repair the process is very troublesome.
Third, the cost is high. The square of the plate heat exchanger are calculated, the process is divided into two diagonally into two operating modes, of which export apparatus flange connections. Its diameter is inconsistent with the diameter of the solar circulation pipeline and the diameter of the heat preservation tank pipeline. It is required that the diameter of the plate heat exchanger must be the same as the diameter of the solar circulation pipeline in the installation process, and the cost must be increased.
In addition, plate solar heat is installed in the plate heat exchanger. In the centralized heat collection and centralized heating system, it is also necessary to add a set of hot water circulation system. Insulation tanks also have to open two holes up and down, making the system cumbersome.
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