A multi-tube energy-saving heat accumulator

Abstract

The invention discloses a cold-hot diffluent multi-pipe-pass energy-saving heat accumulator. The heat accumulator comprises a cylindrical barrel arranged vertically and two hemispherical heads connected to the upper end and the lower end of the barrel through flanges respectively. Barrel end plates are further arranged among the upper end and the lower end of the barrel and the two hemispherical heads. The hemispherical head located at the upper end is provided with a hot fluid outlet, and the hemispherical head located at the lower end is provided with a hot fluid inlet. Annular diversion grooves are formed in the upper end and the lower end of the inner wall of the barrel respectively, and a plurality of cold fluid straight pipes and a plurality of cold fluid coil pipes are arranged between the two annular diversion grooves. A cold fluid inlet and a cold fluid outlet are formed in the outer circumferential wall of the barrel. A plurality of hot fluid coil pipes are arranged between the two barrel end plates uniformly. The parts, among the hot fluid coil pipes, the cold fluid straight pipes and the cold fluid coil pipes, of the spaces are filled with heat storage materials. The cold-hot diffluent multi-pipe-pass energy-saving heat accumulator enables the heat storage process and the heating process to become automatic and controllable, the material flow pollution problem of traditional heat accumulators is solved, and meanwhile the heat exchange efficiency and the heat storage capacity are improved significantly.

Description

technical field [0001] The invention relates to the technical field of heat transfer and energy saving, in particular to a multi-tube energy-saving heat accumulator with cold and heat split flow. Background technique [0002] With the aggravation of energy crisis and environmental pollution, people pay more and more attention to saving energy, and various energy-saving technologies have been widely used by people. As a kind of energy-saving equipment, heat accumulator can store heat and use heat flexibly. At the same time, it has the advantages of good performance, high reliability, high heat storage density and almost constant heat exchange temperature. The traditional heat accumulator has no structural After careful research, the heat storage is not large, the heat exchange efficiency of low-flow materials is not high, and the temperature of the materials cannot be controlled, and the heat accumulator does not separate the cold and hot fluids in structure, which cannot sol...

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Problems solved by technology

[0003] Aiming at the problems of small heat storage, low heat transfer efficiency of low-flow materials, inability to control material temperature, and material pollution, a multi-tube energy-saving heat accumulator with cold and heat shunting is proposed, which improves the heat storage to a certain extent. , so that the heat exchange efficiency of low-flow materials is greatly improved, and the cold and hot pipes are realized to solve the problem of material pollution, and at the same time, the fluid temperature is controllable

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