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Solar boiler photo-thermal module

A solar energy and photothermal technology, applied in the field of solar energy photothermal utilization, can solve the problems of high energy consumption, co-generation and co-supply, pollution, etc.

Inactive Publication Date: 2011-06-01
卢莉华
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0014] In addition, the photoelectric conversion efficiency of solar photovoltaic cells is relatively high, which can reach about 20%. The current photovoltaic industry is developing rapidly and the cost is gradually decreasing. , it is difficult to further improve the utilization efficiency of solar energy, and the energy consumption and serious pollution in the silicon production process need further innovation and development

Method used

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Embodiment Construction

[0027] (1) Parabolic condenser ( figure 1 and figure 2 Parts in 1)

[0028] This is a parabolic cylinder with a parabolic cross-section and a single focus. Its line shape is suitable for the parabolic formula x 2 =4fy, where x and y are the abscissa and ordinate variables respectively, and f is the focal length (that is, the distance from the focal point to the apex of the parabola). This graph is symmetrical about the y axis, and the apex of the parabola coincides with the origin O of the coordinates. If D is set as the opening width of the parabola (concentrator), and H is the depth (that is, the distance from the horizontal line of the opening to the apex), then the above formula is (D / 2) 2 =4fH, namely H=D2 / (16f), this is the relationship between the depth, width and focal length of the parabolic condenser (1), see image 3 .

[0029] The length L of the condensing cover (1) can be selected arbitrarily, but in order to meet the heating temperature requirements of t...

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Abstract

The invention provides a solar boiler photo-thermal module, belonging to solar thermal utilization technology in the field of new energy or renewable energy. The existing solar thermal utilization technology is mainly capable of solving problems of high focusing ratio, high efficiency, large capacity and low cost. A single photo-thermal tube and a focusing cover are adopted for the photo-thermal module; the focusing cover is capable of tracking the sun in all directions, simplifies an automatic tracking device, sharply reduces the cost and fully improves the solar energy utilization efficiency; the focusing cover is a parabolic cylinder, and the opening area can be large; and the photo-thermal tube is arranged on the axis of the focus of the focusing cover, which is beneficial for improving the focusing ratio. The photo-thermal tube is a vacuum glass tube, and is internally provided with a heat absorption core pipe with a spiral medium passage so as to more uniformly absorb heat by the medium. The photo-thermal module is capable of not only providing hot water, but also providing steam with a certain temperature and a certain pressure; and moreover, a large unit capacity can be obtained to satisfy requirements of combined generation and supply of heat, electricity and cold.

Description

1. Technical field [0001] The invention belongs to the technology of solar light and heat utilization in the field of new energy or renewable energy, which can not only provide hot water, heating and thermal energy refrigeration for families, hotels, and units, but also be used for distributed energy, and establish a complementary energy source between solar energy and other energy sources. Supply stations (such as thermal power plants and thermal energy refrigeration stations) realize the joint production and supply of heat, electricity and cooling. 2. Background technology [0002] Existing solar thermal technologies mainly include solar water heaters, distributed power generation systems, centralized power generation systems, and intermediate power generation systems. [0003] (1) Solar water heater [0004] The existing solar water heaters in the market are composed of multiple photothermal tubes, water tanks and control devices, which cannot automatically track the sun...

Claims

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Application Information

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IPC IPC(8): F24J2/14F24J2/05F24J2/24F24J2/48F24J2/46F24J2/54F24S10/40F24S10/70F24S23/74
CPCY02E10/45Y02E10/47Y02E10/44F24S23/74Y02E10/40
Inventor 汪禹
Owner 卢莉华
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