Constant temperature output heat storage system based on three-way valve regulation and its control method

Abstract

The invention discloses a constant temperature output heat storage system based on the regulation and control of a three-way valve and a control method thereof. A heat storage system with constant temperature output based on the regulation of a three-way valve. The heat storage system includes a three-way valve; the three-way valve includes the first inlet, the second inlet and the outlet of the heating medium transmission, which are used to regulate the output from the first inlet and the second outlet. The thermal working medium of the second inlet is to output the thermal working medium of constant temperature from the outlet at a constant flow; it includes a second heat conduction pipeline connected to the second inlet, and the second heat conduction pipeline is a branch pipeline branched from the main pipeline for Lead the thermal working medium on the main pipeline directly into the three-way valve; including the first heat storage pipeline connected to the first inlet, the first heat storage pipeline is connected with the first heat storage module, and the first heat storage module is used to transfer the thermal working medium After the heat charging or heat release treatment, the three-way valve is introduced; the problems of high cost and relatively large limitation of the heat charge and discharge temperature of the constant temperature output adjustment device of one or two heat storage modules in the prior art are solved.

Description

【Technical field】 [0001] The invention belongs to the technical field of heat storage, and in particular relates to a constant temperature output heat storage system based on three-way valve regulation and a control method thereof. 【Background technique】 [0002] At present, the electricity price of the State Grid is divided into different time periods, and the electricity price is different in different time periods. The heat storage technology can play such a role in peak regulation. It can store the heat energy required for power generation during the low electricity price period by charging heat, and release the stored heat energy through heat release during the high electricity price period for power generation, increasing the high electricity price period. power generation, thereby improving the power generation efficiency of the power plant. [0003] The storage of heat energy can be realized by the heat storage module, but the temperature and flow rate of the therma...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a constant temperature output heat storage system and its control method based on the regulation of a three-way valve to solve the problem of high cost and low charging and discharging temperature of the constant temperature output regulating device of one or two heat storage modules in the prior art. more limited problems

Images