Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits

The target strata of sandstone-type uranium deposits are usually located in the fragile and loose strata, which makes it difficult to obtain core samples; consequently, a novel ice coring device for loose sandstone-type uranium deposits is proposed to solve this problem. Experiments proved that the...

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Autores principales:	Chaoyang Huang, Jianming Peng, Yanliang Li, Moke Lian, Chao Guo, Yongjiang Luo, Kun Bo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	sand–ice valve ice valve tube insulation layer sandstone-type uranium deposits freezing time Technology T
Acceso en línea:	https://doaj.org/article/33753ff3bd18491bb04a2afb93a2eb37
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spelling	oai:doaj.org-article:33753ff3bd18491bb04a2afb93a2eb372021-11-11T16:09:13ZExperimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits10.3390/en142174481996-1073https://doaj.org/article/33753ff3bd18491bb04a2afb93a2eb372021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7448https://doaj.org/toc/1996-1073The target strata of sandstone-type uranium deposits are usually located in the fragile and loose strata, which makes it difficult to obtain core samples; consequently, a novel ice coring device for loose sandstone-type uranium deposits is proposed to solve this problem. Experiments proved that the artificial sample can replace the natural sample, and the coring method has high reliability. Ensuring the allegro formation of an ice valve with a given cold source is critical for this coring system, and reducing the loss of cold energy with help of insulation layer is one of the methods to speed up the formation of ice valve. Since the diameter of the drill tool is limited by its working scenario, the thickness of insulation layer is limited to ensure the size of core. Therefore, this paper conducted laboratory experiments of the insulation layer with different thicknesses to study the effect of the insulation layer on the formation of the sand–ice valve. Results show that the insulation layer can reduce the loss of cold energy during the freezing process and significantly affect the formation time of the sand–ice valve. When the thickness of the aerogel insulation layer is 2 mm, the freezing time is 44% shorter than that without insulation layer. According to the tests, the novel ice coring device is expected to solve the coring problem in loose sandstone-type uranium deposits.Chaoyang HuangJianming PengYanliang LiMoke LianChao GuoYongjiang LuoKun BoMDPI AGarticlesand–ice valveice valve tubeinsulation layersandstone-type uranium depositsfreezing timeTechnologyTENEnergies, Vol 14, Iss 7448, p 7448 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sand–ice valve ice valve tube insulation layer sandstone-type uranium deposits freezing time Technology T
spellingShingle	sand–ice valve ice valve tube insulation layer sandstone-type uranium deposits freezing time Technology T Chaoyang Huang Jianming Peng Yanliang Li Moke Lian Chao Guo Yongjiang Luo Kun Bo Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits
description	The target strata of sandstone-type uranium deposits are usually located in the fragile and loose strata, which makes it difficult to obtain core samples; consequently, a novel ice coring device for loose sandstone-type uranium deposits is proposed to solve this problem. Experiments proved that the artificial sample can replace the natural sample, and the coring method has high reliability. Ensuring the allegro formation of an ice valve with a given cold source is critical for this coring system, and reducing the loss of cold energy with help of insulation layer is one of the methods to speed up the formation of ice valve. Since the diameter of the drill tool is limited by its working scenario, the thickness of insulation layer is limited to ensure the size of core. Therefore, this paper conducted laboratory experiments of the insulation layer with different thicknesses to study the effect of the insulation layer on the formation of the sand–ice valve. Results show that the insulation layer can reduce the loss of cold energy during the freezing process and significantly affect the formation time of the sand–ice valve. When the thickness of the aerogel insulation layer is 2 mm, the freezing time is 44% shorter than that without insulation layer. According to the tests, the novel ice coring device is expected to solve the coring problem in loose sandstone-type uranium deposits.
format	article
author	Chaoyang Huang Jianming Peng Yanliang Li Moke Lian Chao Guo Yongjiang Luo Kun Bo
author_facet	Chaoyang Huang Jianming Peng Yanliang Li Moke Lian Chao Guo Yongjiang Luo Kun Bo
author_sort	Chaoyang Huang
title	Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits
title_short	Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits
title_full	Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits
title_fullStr	Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits
title_full_unstemmed	Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits
title_sort	experimental study on the insulation layer thickness of a novel ice coring device in loose sandstone-type uranium deposits
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/33753ff3bd18491bb04a2afb93a2eb37
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Experimental Study on the Insulation Layer Thickness of a Novel Ice Coring Device in Loose Sandstone-Type Uranium Deposits

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