Ice storage tank structure that can enhance the efficiency of internal ice melting

Abstract

The present invention relates to an ice-melting structure in an ice storage tank that can enhance the efficiency of internal ice melting, especially an ice storage tank structure that uses fluid (refers to normal temperature air) to inject heat to melt ice, which is used in an ice storage air conditioner The system is provided with an ice storage tank, the ice storage tank is provided with a fluid input device, the fluid input device includes a delivery pump and a main delivery pipe, the main delivery pipe is further connected with at least one pipe, and the branch pipe has at least one outlet , the delivery port is correspondingly arranged at the outer periphery of the freezing tube close to the ice storage tank, thereby accelerating the heat conduction of the ice-melting part, changing its static state, and increasing its ice-melting and cooling rate, thereby achieving the best performance of the ice-storage air conditioner. The ice storage and cooling effect of the system.

Description

technical field [0001] The invention relates to an ice storage tank structure that can enhance the efficiency of internal ice melting, especially an ice storage tank structure that uses fluid (referring to normal temperature air) to inject heat to melt ice, thereby changing its static state to improve The ice melting rate of the ice storage tank can further exert the ice storage and cooling effect of the ice storage air conditioning system. Background technique [0002] The ice storage air-conditioning system uses low-cost electricity during off-peak hours to make ice and store it through the ice storage tank, and then gradually melts the ice in the ice storage tank during the peak power demand time, and the cold energy released by the melting ice provides refrigeration. Water, thereby meeting the air-conditioning load of buildings (or places that need to be cooled), thereby achieving the purpose of saving electricity. Therefore, the use of ice storage air-conditioning syst...

AI Technical Summary

Problems solved by technology

Therefore, the use of ice storage air-conditioning system has become an important technology for energy-saving development; and the ice storage tanks used in general ice storage air-conditioning systems have two methods of melting ice, one is external melting ice (such as figure 1 shown), and the other is internal melting ice (such as figure 2 shown); the external ice melting method circulates the return water with a high temperature through the ice storage tank, and contacts the surface of the ice to melt the ice. The attached frozen part 11 uses the frozen water W returned from the air-conditioning section to gradually melt the outermost ice-melting part 12 of the frozen part 11 from the outside to the inside. The space cannot be completely frozen, otherwise it cannot be circulated; therefore, in order to achieve normal ice storage and supply cold energy, the external ice melting method must provide a larger space, so its ice storage rate is low

In contrast, the internal ice-melting method circulates the return water with a higher temperature through the inside of the freezing pipe 2 of the ice storage tank, and allows the frozen part 21 attached to the surface of the freezing pipe 2 to make the ice melting from the inner layer The part 22 melts from the inside to the outside, its high ice storage rate and large effective ice storage volume are its advantages, but its disadvantage is that the thermal conductivity of the ice-melting part 22 water area is only 1 / 4 of that of ice, so it will form a considerable thermal resistance , so that the speed of ice melting and cooling is hindered

[0003] Comparing the above two methods, we start from image 3 According to the experimental data, the internal ice melting method needs to completely melt the ice (referring to 100% ice melting), and the brine temperature often exceeds 13°C. From this, it can be understood that the cold storage and release ratio of the internal melting ice and the external melting ice , the external ice-melting method is better than the internal ice-melting method, but because the equipment cost of the external ice-melting method is high and the required space is large; therefore, the internal ice-melting method can better meet the needs of use, so how to solve the internal ice-melting method? The disadvantages of ice melting make it more effective than melting ice outside, and it has become a bottleneck in the ice storage technology of air conditioners.

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