清洗剂对船载棕榈油洗舱清洗效果影响研究

刘小超, 张彬, 吴宛青, 张高宇

doi:10.16411/j.cnki.issn1006-7736.2025.01.017

大连海事大学学报 >

2025 , Vol. 51 >Issue 1: 163 - 170

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2025.01.017

清洗剂对船载棕榈油洗舱清洗效果影响研究

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（大连海事大学轮机工程学院，辽宁大连 116026）

刘小超（1998—），男，硕士生，研究方向：化学品船洗舱效果研究;张彬*(1982-），男，博士，教授，研究方向：船舶污染防治与船舶安全防护。E-mail：zb_2010@dlmu.edu.cn

网络出版日期: 2025-01-09

基金资助

工信部高科技船舶项目（2019-360-4）

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Study on the influence of cleaning agent on the cleaning effect of palm oil on ships

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（Marine Engineering College, Dalian Maritime University, Dalian 116026, Liaoning，China）

Online published: 2025-01-09

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摘要

为探究化学品船洗舱过程中清洗剂对洗舱效果的影响机制，基于自建实验平台开展棕榈油清洗实验，结合FLUENT数值模拟，系统分析了清洗水温度和清洗水中添加乙醇浓度对棕榈油清洗效果的影响。结果表明：随着清洗水温度的升高，降低了残余棕榈油的附着力，在冲洗初期（0-8s），加速了壁面残余棕榈油的清洗效果，30℃和40℃清洗水的清洗对清洗效果提升速度分别为3%/s和6%/s，明显高于20℃清洗水。随着冲洗水添加清洗剂浓度的升高，对油醇混合物粘度产生关键影响，在冲洗初期（0-8s），较高浓度的清洗水能有效降低棕榈油-乙醇混合物的粘度，从而提高清洗效果。随着冲洗时间的延长（8-15s），清洗水浓度对清洗效果的影响逐渐减弱。对比了清洗水温度和浓度对清洗效果的影响程度，发现：0-2s和12-15s时清洗水浓度对清洗效果影响较大，5-10s时清洗水温度对清洗效果起关键作用。为减少清洗剂的消耗和缩短清洗时间，建议在预洗阶段使用混合高浓度清洗剂的清洗水对化学品舱进行快速冲洗。完成预洗后，使用高温清水对化学品舱进行冲洗。

关键词： 化学品船; 棕榈油; 清洗剂浓度; 清洗水温度; 清洗效果

本文引用格式

刘小超, 张彬, 吴宛青, 张高宇 . 清洗剂对船载棕榈油洗舱清洗效果影响研究[J]. 大连海事大学学报, 2025 , 51(1) : 163 -170 . DOI: 10.16411/j.cnki.issn1006-7736.2025.01.017

Abstract

In order to explore the influence mechanism of cleaning agent on the cleaning effect of chemical tanker during tank washing, palm oil cleaning experiment was carried out based on self-built experimental platform. Combined with FLUENT numerical simulation, the influence of cleaning water temperature and ethanol concentration in cleaning water on the cleaning effect of palm oil was systematically analyzed. The results showed that with the increase of cleaning water temperature, the adhesion of residual palm oil was decreased, and the cleaning effect of residual palm oil on the wall was accelerated at the initial stage of washing (0-8s). The cleaning speed of cleaning water at 30℃ and 40℃ was 3%/s and 6%/s, respectively, which was significantly higher than that of cleaning water at 20℃. With the increase of the concentration of cleaning agent added to the rinsing water, the viscosity of the oil alcohol mixture is critically affected. In the early stage of rinsing (0-8s), the higher concentration of cleaning water can effectively reduce the viscosity of the palm oil-ethanol mixture, thus improving the cleaning effect. With the extension of washing time (8-15s), the influence of cleaning water concentration on cleaning effect is gradually weakened. The influence degree of cleaning water temperature and concentration on the cleaning effect is compared, and it is found that the cleaning water concentration has a great influence on the cleaning effect at 0-2s and 12-15s, and the cleaning water temperature plays a key role in the cleaning effect at 5-10s. In order to reduce the consumption of cleaning agent and shorten the cleaning time, it is recommended to use cleaning water mixed with high concentration of cleaning agent to quickly flush the chemical tank during the pre-washing stage. After pre-washing, rinse the chemical tank with hot water.

Key words： chemical tanker; palm oil; cleaning agent concentration; cleaning water temperature; cleaning effect

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