非成岩天然气水合物固态流化模拟实验装置的研制及应用

doi:10.13722/j.cnki.jrme.2019.0415

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Abstract In order to research the scientific problems involved in fluidization mining of solid fluidization method，such as the crushing effect of multi-nozzle combination，the forming rule of the cavity，the particle size distribution，the flow field characteristics in the cavity and the solid phase transport characteristics，a new large-scale laboratory simulation experiment device of soled fluidization is developed independently，which mainly includes five parts：pressure water generation and control equipment，process simulation device，suction and lift simulation equipment，data acquisition and control system and auxiliary equipment. The jet mining characteristic is that it does not destroy the phase equilibrium of hydrate. The experiment device simplifies the experimental conditions by ignoring the phase factors and find a hydrate replacement sample based on the principle of similar materials，so as to directly simulate the large-scale crushing process of minerals under the multi-nozzle radial jet and the effective recovery process of mineral particles in the solid-state fluidization process. The original scale simulation of the jet mining process in the production test in South China Sea was carried out by using the experimental device. The critical velocity of the gas hydrate，diameter of gob areas and the solid fluidization effect were explored. The experimental device provides the first set of experimental platform for the development of the special solid fluidization equipment and the optimization of the jet mining process. These have practical meaning for engineering implementation of solid fluidization.

Key words： mining engineering natural gas hydrate solid fluidization jet breaking experimental device mining process simulation

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	Articles by authors
	YANG Pu1
	WANG Guorong1
	ZHOU Shouwei2
	3
	LI Qingping4
	ZHONG Lin1
	FU Qiang4
	WAGN Leizhen1
	ZHANG Jichun1

Cite this article:

YANG Pu1,WANG Guorong1,ZHOU Shouwei2, et al. Development and application of solid fluidization simulation experimental device for Non-diagenetic Gas Hydrate[J]. , 2019, 38(S2): 3512-3519.

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http://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2019.0415 OR http://rockmech.whrsm.ac.cn/EN/Y2019/V38/IS2/3512

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