Experimental Study on Characteristics of CO2 Hydrate Formation in Spray Reactor

An Lihuan; Liu Daoping; Yang Xiaoshu; Yang Liang; Yang Meng

doi:10.3969/j.issn.0253-4339.2016.01.084

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Experimental Study on Characteristics of CO2 Hydrate Formation in Spray Reactor

更新时间：2024-07-18

- Experimental Study on Characteristics of CO2 Hydrate Formation in Spray Reactor
- Journal of Refrigeration Vol. 37, Issue 1, (2016)
- 作者机构：
  
  上海理工大学制冷技术研究所
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2016.01.084
  CLC：
- Published：2016
- 稿件说明：
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An Lihuan, Liu Daoping, Yang Xiaoshu, et al. Experimental Study on Characteristics of CO2 Hydrate Formation in Spray Reactor[J]. Journal of refrigeration, 2016, 37(1).
DOI：

An Lihuan, Liu Daoping, Yang Xiaoshu, et al. Experimental Study on Characteristics of CO2 Hydrate Formation in Spray Reactor[J]. Journal of refrigeration, 2016, 37(1). DOI： 10.3969/j.issn.0253-4339.2016.01.084.

摘要

基于雾流强化技术，在喷雾反应器中进行了CO2水合物生成特性的实验研究，探讨了反应釜内温度、压力和夹套内冷却液温度以及缓冲气罐的使用等对CO2水合物生成特性的影响。研究发现，与在静态条件下生成CO2水合物相比，雾流强化过程中的压降幅度更大，CO2水合物生成速率更快。喷雾法将水以喷雾的形式送入气体，使水颗粒与气体的接触程度明显提高。实验结果表明，在相同工况下，增置缓冲气罐时，CO2水合物生成结束时间是20 min左右，而未使用缓冲气罐的是40 min左右。缓冲气罐的稳流稳压作用使CO2气体均匀、稳定地进入雾化系统，增强雾化效果，使水合物生成速率提高一倍。研究结果为CO2水合物的生成特性分析和工程应用提供了重要参考依据。

Abstract

Based on water spraying technology

the characteristics of CO2 hydrate formation in spray reactor were investigated experimentally. The effects of temperature and pressure in the reactor

the coolant temperature in entrainment and the use of buffer tank on CO2 hydrate formation characteristics were studied. Compared with CO2 hydrate formation under static conditions

the pressure drop in the spraying process was larger

and CO2 hydrate was formed much faster. The water was sprayed into gas

providing much more gas-water contact surface. The experimental results showed that the duration of CO2 hydrate formation was about 20 minutes in the presence of a buffer tank. However

under the same working condition

the duration of CO2 hydrate formation was about 40 minutes without a buffer tank. The buffer tank sent CO2 into the spraying system evenly and stably

which enhanced the spraying effect and doubled the CO2 hydrate formation rate. The experimental results provide an important reference for the analysis of CO2 hydrate formation and engineering applications.

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