ULTRASONIC TECHNICAL APPLICATION FORCONCENTRATION MEASUREMENT OF TRIOXANEIN DICHLOROETHANE SOLVENT

Wang Yinguan; Shao Lianghua Hu Qizhong andand Tian Chong Gu Xunhong(Institute of Acoustics; Tongji University; Shanghai 200092) (Shanghai Solvent Factory; Shanghai 200127)

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ULTRASONIC TECHNICAL APPLICATION FORCONCENTRATION MEASUREMENT OF TRIOXANEIN DICHLOROETHANE SOLVENT

更新时间：2025-12-16

- ULTRASONIC TECHNICAL APPLICATION FORCONCENTRATION MEASUREMENT OF TRIOXANEIN DICHLOROETHANE SOLVENT
- CIESC Journal Issue 6, (1994)
- 作者机构：
  
  同济大学声学研究所!上海200092,同济大学声学研究所!上海200092,同济大学声学研究所!上海200092,上海溶剂厂!上海200127,上海溶剂厂,上海,200127
- 作者简介：
- 基金信息：
- DOI：
  CLC： 644.3
- Online First：25 December 1994，
  
  Published：25 December 1994
- 稿件说明：
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Wang Yinguan, Shao Lianghua Hu Qizhong andand Tian Chong Gu Xunhong(Institute of Acoustics, Tongji University, et al. ULTRASONIC TECHNICAL APPLICATION FORCONCENTRATION MEASUREMENT OF TRIOXANEIN DICHLOROETHANE SOLVENT[J]. CIESC Journal, 1994, (6).
DOI：

Wang Yinguan, Shao Lianghua Hu Qizhong andand Tian Chong Gu Xunhong(Institute of Acoustics, Tongji University, et al. ULTRASONIC TECHNICAL APPLICATION FORCONCENTRATION MEASUREMENT OF TRIOXANEIN DICHLOROETHANE SOLVENT[J]. CIESC Journal, 1994, (6). DOI：

摘要

1前言三聚甲醛生产过程中溶于二氯乙烷溶剂中的浓度变化于30％～40％间

此浓度变化对三聚甲醛生产的产量、质量、能源的消耗以及溶剂的周转消耗等技术经济指标都有直接的影响.三聚甲醛浓度的在线检测是其生产工艺及控制的一项难题. 国内外对液体浓度的超声检测已有报道”’.Povey等用声速测定牛奶中的脂肪浓度’“

并.研制了测定悬浮液浓度的超声探头”’.novev’‘’研究了经过固化的油脂中的超声传播特性·Yasunaga”‘、Zacharias”’和 Steele”‘也曾利用超声波测定液体的浓度.但迄今尚未见用超声波方法检测三聚甲醛-二氯乙烷溶液浓度的报道. 本文通过一套由PC286微机控制的超声波测量仪”’

测定了浓度为0％～48％、温度为0～40℃的三聚甲醛和二氯乙烷混合液的超声波声时

计算了超声波声时、温度和浓度间的相互关系

为三聚甲醛浓度的超声在线检测提供了依据.利用三者关系制成的超声波三聚甲醛浓度在线检测仪经在上海溶剂厂生产流程中1年多运行

取得了良好的测量效果

精度优于0.5％.2 测量原理2.1 超声波脉冲回波法液体中沿X方向传播的超声平面波的波动方程为护钉2尸一V’护钉拙’（1）超声波在液体中的传播速度 v一④（2）液体的浓度、温度和压强的变化会引起液体体积弹性模量和密度的变

Abstract

The ultrasonic wave properties of a mixed solution of trioxane and dichloroethane have been studied. A high- precision ultrasonic wave instrument controlled by a personal computer is used to precisely measure the ultrasonic flight- time under the conditions of concentrations 0-48% and temperatures 0-40℃. This paper also calculates the relationships between ultrasonic flight- time

temperature and concentration of trioxane in dichloroethane

which provide the basis for on- line concentration measurement of a mixed solution of trioxane and dichloroethane by ultrasonic method.

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