高黏度糖料蒸汽加压雾化特性及雾滴分布规律实验研究

doi:10.3976/j.issn.1002-4026.20260058

山东科学

• 能源与动力 •

高黏度糖料蒸汽加压雾化特性及雾滴分布规律实验研究

顾丛汇^1*，尹慧倩¹，许冰洋²，刘赐德²，刘文葵²，卢迪²

1 江苏科技大学能源与动力学院，江苏镇江212100; 2 江西中烟工业有限责任公司，江西南昌330096

收稿日期:2026-03-26 接受日期:2026-04-24 上线日期:2026-09-17
通信作者: 顾丛汇 E-mail:guconghuigch@163.com
作者简介:顾丛汇（1990—），女，博士，副教授，研究方向为多相流动与传热传质。
基金资助:
国家自然科学基金(51906092)

Experimental study of steam-assisted atomization characteristics and droplet distribution of a high-viscosity sugar solution

GU Conghui^1*, YIN Huiqian¹, XU Bingyang², LIU Cide², LIU Wenkui², LU Di²

1. School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang 212100, China； 2. China Tobacco Jiangxi Industrial Co., Ltd., Nanchang 330096, China

Received:2026-03-26 Accepted:2026-04-24 Online:2026-09-17
Contact: GU Conghui E-mail:guconghuigch@163.com

摘要/Abstract

摘要： 为探究高黏度糖料雾化过程及雾滴演变规律，基于光学测量原理，采用激光衍射法与高速成像技术，研究料液温度及引射压力（p_g）等参数对高黏度糖料蒸汽加压作用下雾化特性影响。结果表明：料液温度由20 ^°C升至60 ^°C时，糖料动力黏度呈“降低-升高-降低”的非单调变化特征，表面张力则随温度升高由72.66 mN/m逐渐降至62.05 mN/m。雾滴索特平均直径（SMD）在30~90 μm范围内先减小后增大，雾滴扩散范围则先增大后减小。料液质量流量q_m=42 kg/h时，p_g由0.10 MPa增至0.35 MPa，雾滴粒径整体呈细化趋势，p_g=0.30 MPa时雾滴粒径最小，扩散范围最大。研究揭示了溶液物性参数与操作条件协同作用下高黏度糖料蒸汽雾化机理及微小雾滴演变行为调控规律。

关键词: 双介质喷嘴, 动力黏度, 表面张力, 蒸汽, 引射压力, 索特平均直径, 雾化锥角

Abstract: To investigate the atomization process and droplet evolution behavior of a high-viscosity sugar solution, optical measurement techniques were employed. Based on optical measurement principles, laser diffraction and high-speed imaging were used to examine the effects of solution temperature and injection pressure (p_g) on the atomization characteristics of the solution under steam-assisted pressurization. The results showed that, as the solution temperature increased from 20°C to 60°C, the dynamic viscosity exhibited a non-monotonic decrease–increase–decrease trend. In contrast, the surface tension gradually decreased from 72.66 to 62.05 mN/m with increasing temperature. Under the combined influence of these properties, the Sauter mean diameter (SMD) of the droplets first decreased and then increased, varying within the range of 30–90 μm. The droplet dispersion range also increased initially and then decreased. When the liquid mass flow rate was maintained at q_m = 42 kg/h and p_g was increased from 0.10 to 0.35 MPa, droplet size exhibited an overall decreasing trend. At p_g = 0.30 MPa, the minimum droplet size and maximum dispersion range were obtained. These findings reveal the steam-assisted atomization mechanism of high-viscosity sugar solutions under the coupled effects of solution properties and operating conditions and clarify the evolution behavior of fine droplets.

Key words: twin-fluid nozzle, dynamic viscosity, surface tension, steam, injection pressure, Sauter mean diameter, spray angle

中图分类号:

O359

顾丛汇, 尹慧倩, 许冰洋, 刘赐德, 刘文葵, 卢迪. 高黏度糖料蒸汽加压雾化特性及雾滴分布规律实验研究[J]. 山东科学, 0, (): 1-.

GU Conghui, YIN Huiqian, XU Bingyang, LIU Cide, LIU Wenkui, LU Di. Experimental study of steam-assisted atomization characteristics and droplet distribution of a high-viscosity sugar solution[J]. Shandong Science, 0, (): 1-.

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高黏度糖料蒸汽加压雾化特性及雾滴分布规律实验研究

Experimental study of steam-assisted atomization characteristics and droplet distribution of a high-viscosity sugar solution

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