Heat storage energy storage power generation system
A power generation system and heat storage technology, applied in heat storage equipment, indirect heat exchangers, heat exchanger types, etc., can solve the problems of reducing heat storage capacity and unstable outlet temperature, and achieve the effect of improving heat storage capacity and temperature stability
Active Publication Date: 2020-03-27
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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- Abstract
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- Application Information
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is to provide a heat storage and energy storage power generation system in order to overcome the defects in the prior art that increasing the air outlet temperature will reduce the heat storage capacity and cause the outlet temperature to be unstable.
Method used
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Embodiment Construction
[0027] The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.
[0028] This embodiment provides a heat storage energy storage power generation system, such as figure 1 As mentioned above, the heat storage energy storage power generation system includes a heat storage unit 1, a heat exchanger 2, a power generation unit 3, and a fan 4; the heat storage unit 1, the heat exchanger 2, and the fan 4 are connected in sequence to form a first circuit; the heat exchanger 2 communicates with the generating unit 3 to form a second circuit.
[0029] The power generation unit 3 includes a pump 31, a steam turbine 33, a cooler 32, and a power generation device 34. The cooler 32 is connected with the pump 31 and the steam turbine 33 respectively, the steam turbine 33 is connected with the power generation device 34, and the heat exchanger 2 is connected with the pump 31 and the steam turbine 33 respectiv...
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The invention discloses a heat accumulation and energy storage power generation system. The heat accumulation and energy storage power generation system comprises a heat accumulation unit which comprises N heat accumulation modules, an air inlet and an air outlet, wherein N is larger than 1; each heat accumulation module is provided with an air channel, the air channels of the heat accumulation modules are sequentially connected to form a first connecting channel, and the air inlet communicates with the air outlet through the first connecting channel; the front N-1 heat accumulation modules close to the air inlet are each provided with a stop valve, and the stop valves are arranged on second connecting channels between gas outlet channel outlets of the corresponding heat accumulation modules and the air outlet and are used for control opening and closing of the second connecting channels; and a heat transferring medium enter the air inlet and reaches the air outlet through the first connecting channel and / or the opened second connecting channels. According to the heat accumulation and energy storage power generation system, the first connecting channel and the second connecting channel capable of being opened or closed are arranged, and therefore the temperature of the heat transferring medium is stable when the heat transferring medium leaves the air outlet, and the heat accumulation capacity can be improved.
Description
technical field [0001] The invention relates to a heat storage energy storage power generation system. Background technique [0002] With the reduction of fossil energy resources and the popularization of the concept of environmental protection, green energy represented by solar energy and wind energy has developed rapidly. However, green energy is affected by natural conditions such as weather, seasons, and sunshine, and it is difficult to provide stable energy output, so it is difficult to output electricity that matches the grid. The amount of abandoned light and wind that followed has also increased rapidly, and this problem will become very serious with the development of green energy. As a result, large-capacity energy storage technology has also received people's attention. [0003] Energy storage can be divided into physical energy storage and chemical energy storage. Chemical energy storage usually has a small capacity, which is difficult to meet the demand for la...
Claims
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IPC IPC(8): F28D20/00F28F27/00F01D15/10
CPCF01D15/10F28D20/0056F28D2020/0065F28D2020/0078F28F27/00Y02E60/14
Inventor 戴叶邹杨沈佳杰袁晓凤陈兴伟贾国斌李明海
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI