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Concentrated solar heat energy distributed energy comprehensive utilization system

A distributed energy and heat storage system technology, applied in the field of distributed energy systems, can solve the problems of instability and low utilization efficiency of new energy such as solar energy, and achieve the effects of improving efficiency, energy utilization efficiency and reducing dependence.

Inactive Publication Date: 2013-04-17
兰州大成科技股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Combining high-quality concentrating solar thermal energy with a heat storage system and a distributed energy system to solve the current problems of low utilization efficiency and instability of new energy such as solar energy, so that unstable new energy such as solar energy can achieve stability, high efficiency and environmentally friendly use

Method used

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  • Concentrated solar heat energy distributed energy comprehensive utilization system

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Comparison scheme
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Embodiment 1

[0024] Embodiment 1: A comprehensive utilization system of concentrated solar thermal energy distributed energy, see figure 1 , including the primary energy supply of the system as the solar concentrated heat collection system 1, the heat storage system 2, the oil-water heat exchanger 3, and the oil pump 11 are connected to the solar concentrated heat collection system 1 through the oil medium pipeline, and the input end of the auxiliary energy system 4 is connected At the output end of the oil pump 11, its output end is connected with the input end of the oil-water heat exchanger 3 to realize continuous and stable solar heat supply through the heat storage system; the steam output end of the oil-water heat exchanger 3 is connected to the steam-water heat exchange through the steam-water medium pipeline 6, demineralized water system 8, demineralized water system 8 is connected with steam-water heat exchanger 6 through first water pump 10; Two water pumps 9 are connected to the...

Embodiment 2

[0026] Embodiment 2: Concentrating solar thermal energy distributed energy comprehensive utilization system, the steam output end of the oil-water heat exchanger 3 is connected to the steam power machine or / and the generator 5 through the steam-water medium pipeline, and the steam power machine or / and the generator 5 are connected to the steam-water heat exchange Device 6, demineralized water system 8, demineralized water system 8 is connected with steam-water heat exchanger 6 through first water pump 10.

[0027] All the other structures are with embodiment 1. The concentrating heat collection system is connected to the power generation system through the heat exchange system to provide power. The exhaust steam outlet of the power generation system is connected to the refrigeration or heating system through the heat exchange system. The solar heat energy is utilized in steps according to the temperature gradient to achieve optimal energy efficiency.

Embodiment 3

[0028] Example 3: Concentrated solar thermal energy distributed energy comprehensive utilization system consists of linear Fresnel heat collection system 1, molten salt heat storage system 2, oil-water heat exchanger 3 with steam generator, steam superheater, natural gas heat transfer oil Boiler 4, screw power machine / generator set 5, heating system 7, softened water system 8. Among them, the linear Fresnel heat collection system 1, the oil-water heat exchanger 3, the screw power machine / generator set 5, and the softened water system 7 can be combined to form a solar thermal power generation device. When the solar radiation is good, the heat collection system 1 gathers sunlight, heats the system heat transfer medium heat transfer oil, and the heat transfer oil passes through the oil-water heat exchanger 3 to obtain superheated steam that meets the parameters of the screw power machine, providing power for the generator set 5, Achieve continuous power generation. After the sup...

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Abstract

The invention belongs to the field of energy, relates to a distributed energy system, and in particular relates to a distributed energy system capable of taking solar energy as primary energy supply. The concentrated solar heat energy distributed energy comprehensive utilization system is mainly characterized by comprising a solar condensation and heat collection system used for supply energy for the system, wherein the solar energy is used as the primary energy supply; wherein the a heat accumulation system is connected with an oil-water heat exchanger by an oil medium pipeline; an oil pump is connected with the solar condensation and heat collection system; the input end of an auxiliary energy system is connected with the output end of the pump, and the output end of the auxiliary energy system is connected with the input end of the oil-water heat exchanger; the heat accumulation system is used for realizing the stable and continuous solar heat energy supply; the steam output end of the oil-water heat exchanger is connected with a steam-water heat exchanger and a softened water system by a steam-water medium pipeline; the softened water system is connected with the steam-water heat exchanger by a first water pump; the output end of a hot water end of the steam-water heat exchanger is connected with input of a refrigerating and / or heating system; and the input end of the hot water end of the steam-water heat exchanger is connected by a second water pump. The concentrated solar heat energy distributed energy comprehensive utilization system has the advantages that by adopting a condensation and heat collection way, high-quality heat energy can be obtained, and can be used for power generation and industrial process heating; and waste steam after the power generation can be used as a heat source of heating and refrigerating, so that the system has the advantage of energy cascade utilization.

Description

technical field [0001] The invention belongs to the field of energy, and relates to a distributed energy system, in particular to a distributed energy system using solar thermal energy as the primary energy supply mode. Background technique [0002] "Distributed energy sources" refers to a comprehensive energy utilization system distributed at the user end, which can be operated independently or connected to the grid. It is a system that determines the mode and capacity to maximize resources and environmental benefits. System integration and optimization of energy demand and resource allocation status, a new energy system that adopts demand-responsive design and modular configuration, is a decentralized energy supply method relative to centralized energy supply. [0003] WADE, the International Distributed Energy Alliance, defines distributed energy as: a high-efficiency cogeneration system installed at the user's end, the system can generate electricity at (or near) the con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/30F24J2/34F24J2/46F25B27/02F03G6/06F24S10/30
CPCY02A30/274Y02E10/44Y02E10/46Y02P80/20
Inventor 范多旺王成龙范多进范玉磊王云锋苗树翻张慧
Owner 兰州大成科技股份有限公司