Energy storage method based on air hydrate
An energy storage method and hydrate technology, which is applied in the direction of steam engine devices, liquid variable displacement machines, pump devices, etc., can solve the problems of high manufacturing costs, hidden dangers of combustion and fire, and large floor space, so as to reduce costs and occupy land area, increased energy storage density, and high energy efficiency
Pending Publication Date: 2021-05-28
杭州联投能源科技有限公司
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Problems solved by technology
This technology requires huge gas storage facilities, and the gas storage containers built on the ground have high working pressure, high manufacturing costs, and require a large floor space
However, chemical energy storage technologies such as lithium batteries require relatively scarce lithium resources, which are currently costly and have the potential for combustion and fire
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
[0036] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "vertical", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplified description, rather t...
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The invention relates to an energy storage method based on air hydrate. According to the scheme, the energy storage method comprises the following steps that air is gradually compressed to a second set pressure value through a two-section type compression device to form high-temperature and high-pressure compressed air; a heat exchanger exchanges heat with high-temperature and high-pressure compressed air, and the heat exchanger transfers heat to a heat storage tank for heat storage; the compressed air subjected to heat exchange is introduced into a first expansion machine to be expanded to a first set pressure value and is converged with reflux liquid in the storage tank; the converged fluid passes through a hydrate reactor to generate air hydrate; and the water separated from the air hydrate and the air hydrate are stored in the storage tank through a first separator. The medium used in the scheme is air, water and other non-toxic, odorless and non-combustible safe and environment-friendly working media; sensible heat of compressed air is recycled in the energy storage process, and the energy efficiency is high; and compressed air and water generate hydrates at low temperature, the compressed air can be stored at low pressure, the energy storage density can be improved, and the cost of storage facilities is reduced.
Description
technical field [0001] The invention relates to the technical field of air hydrate energy storage, in particular to an energy storage method based on air hydrate. Background technique [0002] In production and life, the production and consumption of electricity are often not synchronized, and there are peaks and valleys of load, such as industrial and commercial buildings, there is a significant power load difference between work and get off work hours, residential buildings also have day and night load differences, seasonal However, renewable energy such as solar energy and wind energy also has the problem of being affected by the weather and not synchronous with the grid load demand. Therefore, electric energy storage has become an important issue in the energy field. [0003] At present, there are many electric energy storage technologies, and physical energy storage is one of the major categories. Pumped storage is a large-scale electric energy storage technology, which...
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Patent Timeline
Login to View More IPC IPC(8): F01K27/00F01K21/00F01K7/02F04B41/02
CPCF01K27/00F01K21/00F01K7/02F04B41/02Y02E60/16
Inventor 吴康东方韬张志宏郑高阳潘梁峰
Owner 杭州联投能源科技有限公司