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Trough type solar multistage heat utilization device

A trough solar energy and solar heat collection technology, which is applied in solar thermal devices, solar thermal power generation, heating devices, etc., can solve the problems of difficult promotion, high cost, and lack of application of photothermal conversion energy, and achieve increased economical efficiency. , reduce costs and ensure the effect of heat utilization efficiency

Inactive Publication Date: 2011-09-07
SOUTHEAST UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

There are three main methods of solar thermal power generation: tower type, trough type, and dish type. Among them, the trough type solar thermal power generation is a kind with a relatively high level of commercialization and relatively mature technology. The heat collection efficiency can reach more than 60%, but the power generation efficiency is generally in the About 20%, a large amount of light-to-heat conversion energy has not been applied, so the cost is high and the promotion is difficult

Method used

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  • Trough type solar multistage heat utilization device
  • Trough type solar multistage heat utilization device
  • Trough type solar multistage heat utilization device

Examples

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Embodiment Construction

[0028] The trough solar multi-stage heat utilization device includes:

[0029] Solar heat collection steam generation device 1, for example; parabolic trough heat collection system; steam turbine power generation device 2, for example: back pressure type, condensing type, suction type, axial flow type, radial flow type and high pressure, ultra high pressure type ; valve 3; temperature and pressure reduction device 4; air conditioning device 5, for example: lithium bromide absorption type, ammonia-water absorption type; seawater desalination device 6, for example: distillation method; domestic hot water device 7; bypass pipeline 8 .

[0030] The solar heat collection generating steam device 1 is combined with the steam turbine 2 to generate electricity, the outlet of the steam turbine 2 is connected to the air conditioner 5, the outlet of the air conditioner 5 is connected to the seawater desalination device 6, and the outlet of the seawater desalination device 6 is connected t...

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Abstract

The invention relates to an energy utilization device, in particular to a multistage energy utilization device with solar heat utilization. The device comprises a solar heat collection steam generating device (1), a steam turbine generating set (2), a valve, a temperature-reducing and pressure-reducing device (4), an air conditioner (5), a sea water desalinating unit (6), a domestic hot water utilizing device (7) and a bypass pipeline (8). The device adopts a way of combining with a solar steam turbine, thereby ensuring that the heat utilization device runs safely and stably. The device can meet any one or more requirements for heat utilization and improve the heat utilization efficiency while meeting the requirement for multistage heat utilization under various weather conditions.

Description

technical field [0001] The invention relates to an energy comprehensive utilization device, in particular to a multi-stage thermal utilization device containing trough solar energy, which belongs to the technical field of energy utilization. Background technique [0002] As a clean, non-polluting renewable energy source, solar energy is considered an important part of the world's energy strategy for its development and utilization. Solar heat utilization is the most important way in solar energy utilization. Its utilization forms are diverse. According to the temperature reached by its working medium, it can be divided into low, medium and high temperature utilization, solar water heater, solar heating and heating, solar refrigeration and air conditioning, solar energy Seawater desalination, solar drying, solar power generation, etc. [0003] Solar thermal power generation is a method to replace conventional energy sources, and it is one of the focuses of scientists and gov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/14F22B1/00F24F5/00F24J2/00
CPCY02B10/20Y02B10/24Y02E10/40Y02A20/124Y02A20/142Y02A20/212Y02A30/272
Inventor 王军李小燕尹芳芳杨小龙陈岱琳
Owner SOUTHEAST UNIV
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