Supercritical carbon dioxide pipeline crack control device and method
A carbon dioxide and control device technology, which is applied in the direction of measuring devices, optical devices to transmit sensing components, pipeline systems, etc., can solve the problems of lack of control methods for crack growth in pipelines, and achieve control of crack growth, prolong service life, and improve The effect of safety and reliability
Pending Publication Date: 2020-08-25
WUHAN SECOND SHIP DESIGN & RES INST
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[0005] The embodiment of the present invention provides a supercritical carbon dioxide pipeline crack control device and method, which is used to solve or partially solve the problem that the existing treatment of supercritical carbon dioxide pipeline crack damage lacks the means to control the pipeline crack growth
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[0021] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0022] In the description of the present invention, it should be noted that the terms "installation", "connected" and "connected" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or a...
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Abstract
The invention relates to the technical field of supercritical carbon dioxide pipelines. The invention discloses a supercritical carbon dioxide pipeline crack control device and method. The crack control device comprises a crack monitoring mechanism and a dry ice conveying line, the crack monitoring mechanism is used for being connected to the surface of a pipeline and monitoring cracks of the pipeline in real time, and the dry ice conveying line is used for being communicated with the pipeline and injecting dry ice into the pipeline when the crack monitoring mechanism monitors that crack propagation of the pipeline exceeds a preset range. The invention provides a supercritical carbon dioxide pipeline crack control device and method. By arranging the crack monitoring mechanism, the crack propagation condition of the pipeline can be known in real time; when the crack propagation of the dry ice conveying line exceeds an allowable range, the crack propagation rate of the pipeline can be reduced by injecting dry ice into the pipeline, so that the crack propagation development of the supercritical carbon dioxide pipeline can be effectively controlled, the service life of the pipeline isprolonged, and the device and the method have important significance for improving the safety and reliability of the supercritical carbon dioxide pipeline.
Description
Technical field [0001] The invention relates to the technical field of supercritical carbon dioxide pipelines, in particular to a supercritical carbon dioxide pipeline crack control device and method. Background technique [0002] Supercritical fluid refers to a fluid whose temperature and pressure are above the critical point, and has many unique properties. Carbon dioxide is non-toxic, has good physical and chemical properties, the proportion in the air is 0.3%, the critical temperature is lower at 31.2°C, and the critical pressure is moderate at 72.9atm. When carbon dioxide is in a supercritical state, it has the dual characteristics of gas and liquid. The density is similar to liquid (about 200-800 times the density of air), and the viscosity and diffusion coefficient are close to gas (about 100 times that of liquid). Good fluidity and transmission characteristics. [0003] In recent years, the application of supercritical carbon dioxide fluid has become wider and wider. The...
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IPC IPC(8): G01N29/04G01N29/24G01N21/95G01D5/353F17D5/00
CPCF17D5/00G01D5/35354G01N21/95G01N29/04G01N29/2412G01N2291/0289G01N2291/044
Inventor 劳星胜邱志强赵振兴柳勇刘永生柯汉兵戴春辉刘春林代路吴君马灿廖梦然杨小虎黄崇海李邦明
Owner WUHAN SECOND SHIP DESIGN & RES INST
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