CAJ | 학술논문

水合物安全流动技术作为一种新型的天然气运输管理方法具有广阔的发展前景，本文在综述国内外天然气水合物安全流动研究的基础上，分析了管道流动天然气水合物生成机理、特点和对油气管道的不利影响以及现有水合物安全流动研究存在的问题，包括实验管道长度较短、着重流动规律的研究而缺乏对流动边界的拓展等。进而对国内外天然气水合物低剂量抑制剂（low dosage hydrate inhibitor，LDHI）在保障天然气水合物安全流动、拓展天然气水合物安全流动边界以及螺旋流携带研究进行了总结评述；随后提出了利用螺旋流悬浮输送技术保障天然气水合物安全流动、拓展流动边界的新型方法。结合实验结果分析表明：螺旋流动从宏观上改变水合物浆体流动特点、有效提高水合物浆液的输送浓度并可拓展水合物安全流动边界。
수합물안전류동기술작위일충신형적천연기운수관리방법구유엄활적발전전경，본문재종술국내외천연기수합물안전류동연구적기출상，분석료관도류동천연기수합물생성궤리、특점화대유기관도적불리영향이급현유수합물안전류동연구존재적문제，포괄실험관도장도교단、착중류동규률적연구이결핍대류동변계적탁전등。진이대국내외천연기수합물저제량억제제（low dosage hydrate inhibitor，LDHI）재보장천연기수합물안전류동、탁전천연기수합물안전류동변계이급라선류휴대연구진행료총결평술；수후제출료이용라선류현부수송기술보장천연기수합물안전류동、탁전류동변계적신형방법。결합실험결과분석표명：라선류동종굉관상개변수합물장체류동특점、유효제고수합물장액적수송농도병가탁전수합물안전류동변계。
The flow security technology based on hydrate, is a new method of natural gas transportation management,and has a broad development prospect. The gas hydrate formation mechanism,characteristics,adverse effect on oil and gas pipeline and existing problems(including the short experimental pipe,only research on the laws of the flow without flow boundary expansion etc.) of hydrate security flow were analyzed. The natural gas hydrate flow safety and natural gas hydrate safety flow boundary of low dosage hydrate inhibitor(LDHI)and the spiral flow carry technology were summarized. The new method to ensure the flow security of natural gas hydrate and expand flow boundary using spiral flow levitation conveying flow technology was put forward. The experiment results indicated that spiral flow can change the hydrate slurry flow characteristics,improve the concentration of hydrate slurry transportation effectively,and expand hydrate security flow boundary.