Energy Comprehensive Utilization System Based on Supercritical Air
A supercritical air and energy technology, which is applied in the direction of combined combustion mitigation, gas turbine devices, machines/engines, etc., can solve the problems of rapid aging of pipelines, high construction costs, and short lifespan, so as to improve energy utilization efficiency, reduce costs, and lifespan long effect
Inactive Publication Date: 2015-09-02
NANJING HIGH DRIVE ELECTROMECHANICAL AUTOMATION EQUIP CO LTD
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Problems solved by technology
[0008] Although Chinese patent applications 201210266532.0, 200910225252.3, 201220370877.6 and 201210518522.1 also disclose a variety of supercritical air energy storage / energy release systems, which partially solve some problems, but when these systems release energy, the return flow in the pipeline is always air , the oxygen in it leads to the defects of rapid aging and short service life of the system pipes, and the problem that the system cost has not been recovered but the system has aged and failed, and these systems require not only cold storage heat exchangers but also heat storage heat exchangers, resulting in The problem of complex system and high construction cost
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[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0048] Such as figure 1 As shown, this is a typical structural diagram of the energy comprehensive utilization system based on supercritical air in the prior art. Please refer to the published Chinese invention patent application 201210266532.0 and utility model patent application 201220370877.6 for the explanation of the specific reference signs. The energy comprehensive utilization system based on supercritical air, a...
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The invention discloses a comprehensive energy utilization system based on supercritical air. The system comprises an air liquefaction subsystem, an air separation subsystem and a gas expansion power generation subsystem, wherein at least one pipeline is arranged between every two subsystems. According to the system, a pipeline with a valve is arranged between an air compressor group and a low-pressure expansion machine, and a pipeline is arranged between the gas expansion power generation subsystem and a cold accumulation heat exchanger. High-purity nitrogen flows in the main pipelines of the system most of time, so that the comprehensive energy utilization based on supercritical air is effectively realized, and the service life of the system is prolonged.
Description
technical field [0001] The invention relates to the field of comprehensive utilization of energy, in particular to a system for comprehensive utilization of energy based on supercritical air. Background technique [0002] Energy is an indispensable means of production and living in modern society. Ensuring a stable supply of energy and continuously improving energy utilization efficiency are important foundations for national economic development and social progress. my country is relatively deficient in energy, and its per capita energy possession is at a relatively low level in the world. However, my country is in the stage of rapid industrialization and urbanization. The demand for basic raw materials such as steel and cement keeps these energy-intensive industries still maintaining a certain growth rigidity. Therefore, it is of great significance to solve the waste heat and recovery of waste heat in these industries and improve the comprehensive utilization efficiency of...
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IPC IPC(8): F02C6/16
CPCY02E20/14Y02E60/15Y02E60/16
Inventor 薛文彦廖恩荣
Owner NANJING HIGH DRIVE ELECTROMECHANICAL AUTOMATION EQUIP CO LTD