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A supercritical water and molten salt heat exchanger device

A technology of supercritical water and molten salt, which is used in feedwater heaters, preheating, lighting and heating equipment, etc., and can solve the problems of poor safety performance and low thermal efficiency.

Active Publication Date: 2019-10-29
恒基能脉新能源科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of low thermal efficiency and poor safety performance of the existing supercritical water-molten salt heat exchanger, and propose a supercritical water-molten salt heat exchanger device

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  • A supercritical water and molten salt heat exchanger device
  • A supercritical water and molten salt heat exchanger device
  • A supercritical water and molten salt heat exchanger device

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 1 As shown, a supercritical water-molten salt heat exchanger device of the present invention includes a supercritical pressure feedwater pump, a water tank, a feedwater preheater and a supercritical water-molten salt heat exchanger. The arrangement of each component is as follows: Along the feed water flow, the supercritical pressure feed water pump is arranged between the water tank and the feed water preheater, and the supercritical water-molten salt heat exchanger is arranged after the feed water preheater. The water tank and the high-pressure water pump are connected through stainless steel pipelines, and the connection between the water tank and the stainless steel pipelines is at the bottom of the water tank. The water tank, the feed water preheater, and the supercritical water-molten salt heat exchanger are sequent...

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Abstract

The invention relates to a supercritical water and fuse salt heat exchanger device which comprises a water tank, a supercritical pressure water feed pump, a supercritical water-fuse salt heat exchanger and a water feeding preheating furnace. The supercritical pressure water feed pump is arranged between the water tank and the water feeding preheater; the supercritical water-fuse salt heat exchanger is arranged behind the water feeding preheater, and the water tank is connected to the supercritical water-fuse salt heat exchanger through a stainless steel pipeline. The water tank, the water feeding preheater and the supercritical water-fuse salt heat exchanger are successively connected through the stainless steel pipeline. The supercritical pressure water feed pump and an electric valve areconnected between the water tank and the water feeding preheater. The supercritical water-fuse salt heat exchanger is a bushing type heat exchanger. A working medium flowing in the pipeline is waterin the supercritical state. A working medium flowing in an annular runner formed between an external bushing and an inner bushing is high-temperature fuse salt. Finned tubes are longitudinally arranged in the annular runner. An anti-congealing heat-tracing system is arranged on an external pipeline.

Description

technical field [0001] The invention relates to a supercritical water-molten salt heat exchanger device. Background technique [0002] The first-generation solar thermal power generation technology uses low-temperature medium heat transfer oil, the second-generation solar thermal power generation technology uses high-temperature medium molten salt, and the third-generation solar thermal power generation technology uses hot air as the heat transfer medium. There are trough and tower power generation systems for solar thermal power generation systems. Increasing the temperature of the heat transfer medium has a significant effect on the optimization of the efficiency of the entire power generation system. [0003] As the heat-absorbing medium of the solar thermal power generation heat absorber, molten salt has the advantages of large heat capacity and no phase change when absorbing heat. The water vapor in the supercritical state can improve the thermal efficiency of the tur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22B1/06F22D1/00
CPCF22B1/06F22D1/003
Inventor 刘鸿王志峰李钧白凤武
Owner 恒基能脉新能源科技有限公司
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