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Phase change energy storage type solar water heater

A solar water heater and phase-change energy storage technology, which is applied in the directions of solar thermal collectors, solar thermal thermal insulation, solar thermal storage, etc. Simple, improve the efficiency of solar energy utilization, and reduce the volume

Pending Publication Date: 2019-03-26
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The heat storage method of traditional solar water heaters is to store hot water in the water collection tank, the water storage capacity is limited, and the water tank is too bulky, which increases the volume of the solar water heater

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Embodiment Construction

[0016] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] Such as Figure 1-Figure 2 As shown, the specific embodiment adopts the following technical solutions: it includes cold water inlet 1, hot water outlet 2, cold water main pipe 3, hot water main pipe 4, solar vacuum heat collecting tube 5, U-shaped copper pipe 6, rectangular fins 7, relative Variable material paraffin 8, spring support 9, getter 10, protective cap 11 and insulation plug 12, several U-shaped copper pipes 6 are arranged between the cold wa...

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Abstract

The invention discloses a phase change energy storage type solar water heater, and belongs to the technical field of solar water heaters. Multiple U copper pipes are arranged between a cold water mainpipe and a heat water main pipe, water inlets of the U copper pipes are connected with the cold water main pipe, water outlets of the U copper pipes are connected with the heat water main pipe, the cold water main pipe and the heat water main pipe communicate, the cold water main pipe and the heat water main pipe are provided with a cold water inlet and a heat water outlet correspondingly, and solar vacuum heat collection pipes are arranged outside the U copper pipes. According to the phase change energy storage type solar water heater, paraffin in the vacuum heat collection pipes is used forserving as a phase change material, in daytime, the phase change material absorbs solar energy to be melted, heat is stored, when heat water is needed, cold water is fed in through the U copper pipeswith rectangular fins, after heat absorbing, the water is changed into heat water and then is gathered into the heat water main pipe, and the water is drained through the heat water outlet.

Description

technical field [0001] The invention relates to a phase change energy storage type solar water heater, which belongs to the technical field of solar water heaters. Background technique [0002] As a clean and pollution-free energy source, solar energy has been widely used at present. As the main equipment for solar thermal utilization, solar water heaters are very important to improve their efficiency. [0003] The heat storage method of traditional solar water heaters is to store hot water in the water collection tank, the water storage capacity is limited, and the water tank is too bulky, which increases the volume of the solar water heater. For the above defects, the solar water heater needs to be further improved. Contents of the invention [0004] In view of the above problems, the technical problem to be solved by the present invention is to provide a phase change energy storage type solar water heater. [0005] The phase change energy storage type solar water hea...

Claims

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Application Information

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IPC IPC(8): F24S10/40F24S10/75F24S60/10F24S80/30F24S70/225F24S80/60
CPCY02E10/44
Inventor 韩喜莲朱垚宇王磊杨蓉霞徐旺
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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