A system for detecting molten salt leakage of photothermal power generation and heat storage devices using electrode sheets

Abstract

The invention discloses a system for detecting molten salt leakage of a photothermal power generation heat storage device by using electrode sheets, including a detection circuit, a data acquisition device connected to the detection circuit, an array electrode sheet group, and an alarm device; the array electrode sheet The group is arranged in the heat insulation material of the foundation of the molten salt storage tank, and each electrode sheet group includes a first electrode sheet and a second electrode sheet arranged separately; when there is no molten salt leakage, the gap between the first electrode sheet and the second electrode sheet There is no contact between them, and the circuit is broken; when molten salt leaks to the electrode sheet, the high-temperature liquid molten salt between the first electrode sheet and the second electrode sheet makes the two electrode sheets form a path, and the generated electrical signal is captured by the data The device collects, triggers the alarm device, and prompts the leakage of molten salt; thus, the leakage of the high-temperature molten salt storage tank can be found in time, or the location of the leakage of the tank can be further determined so as to deal with it as soon as possible.

Description

technical field [0001] The invention relates to the field of detection and treatment of storage tank leakage of a molten salt energy storage system in photothermal power generation, and in particular to a system for detecting molten salt leakage of a photothermal power generation heat storage device by using an electrode sheet. Background technique [0002] Faced with the depletion of traditional fossil energy and the severe environmental pollution caused by its use, countries around the world are vigorously promoting energy transformation, and the development of renewable energy is an inevitable trend. Among many renewable energy utilization technologies, solar thermal storage power generation is one of the most promising application technologies. In solar thermal power generation technology, due to the intermittent and unstable solar energy, the continuous and stable supply of solar thermal power plants is the key to realize large-scale application, improve efficiency and ...

AI Technical Summary

Problems solved by technology

Due to the limitation of the cost and the influence of installation on the basic characteristics, the number of thermocouples actually installed is limited, and the thermocouple itself is a point-type temperature measurement technology. Unless the leakage of molten salt happens just above the thermocouple, the temperature change can only be detected. Difficult to find molten salt leakage in time

Therefore, this method is difficult to realize all-round detection of leaks in the entire molten salt tank

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