Oval elbow cold storage phase change material device

Abstract

The invention discloses an oval elbow cold storage phase change material device and relates to the technical field of cold accumulation air conditioners. The oval elbow cold accumulation phase changematerial device comprises a shell, two end covers, an even number of separation plates and a plurality of oval pipes; the first side edges of the separation plates are fixed on the inner side wall ofthe shell, the second side edges of every two adjacent separation plates are fixedly connected, a sector-shaped region is formed between every two adjacent separation plates, an oval pipe is arrangedin each sector-shaped region, a plurality of ribs are arranged on the outer side wall of each oval pipe, the two ends of the oval pipes penetrate through the end covers to communicate with the outside, every two adjacent oval pipes communicate through a connecting pipe at one end, which extends out of the same end cover, the oval pipes and the connecting pipes are used for bearing a cold-carryingfluid, and a phase-change cold storage medium fills between the shell and the oval pipes. According to the oval elbow cold storage phase change material device, the heat exchange efficiency of a refrigeration system can be improved, the energy utilization efficiency can be improved, high-capacity and high-efficiency targets are achieved, the cold accumulation effect is greatly improved, and the effective utilization rate of the cold storage device is improved.

Description

technical field [0001] The invention relates to the technical field of cold storage air conditioners, in particular to an elliptical elbow cold storage phase change material device. Background technique [0002] In recent years, wind power and solar power have become the fastest-growing, most mature and most promising renewable energy power generation technologies. Although the cost of renewable energy power generation is quite close to that of conventional energy, its large-scale utilization is still greatly limited. The main reason is that the inherent intermittency and instability of wind energy and solar energy make the power output unsustainable and stable. The greater the proportion of wind power and photovoltaic power, the greater the volatility and randomness. As a result, energy storage technology emerged as the times require, and it is the main way to solve the problem of large-scale grid-connection of wind power. The commonly used energy storage methods include:...

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Problems solved by technology

However, the installed capacity of the existing refrigeration system is relatively high, and the cold storage device has the problems of poor cold storage effect and low effective utilization rate.

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