Hydrodynamics of Large-Holed Sieve Trays

于鸿寿; 张满潮; 萧成基

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Hydrodynamics of Large-Holed Sieve Trays

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- Hydrodynamics of Large-Holed Sieve Trays
- CIESC Journal Issue 4, (1984)
- 作者机构：
  
  化工部第六设计院,化工部第六设计院,化工部第六设计院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 1984，
  
  Published：25 December 1984
- 稿件说明：
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于鸿寿, 张满潮, 萧成基. Hydrodynamics of Large-Holed Sieve Trays[J]. CIESC Journal, 1984, (4).
DOI：

于鸿寿, 张满潮, 萧成基. Hydrodynamics of Large-Holed Sieve Trays[J]. CIESC Journal, 1984, (4). DOI：

摘要

本文测定及研究了大孔筋板(孔径为 5、10、15、20及25mm)流体力学参数

提出计算塔板压降、漏液点气速、零沫夹带量及泡沫层高度的一套设计关联式

其精确度可满足工程设计的需要.文中还对大孔筋板的操作性能及弹性范围进行了分析讨论.对于塔板结构参数设计得当的大孔筛板

操作弹性比达到2—4左右

足可适应一般工业装置的负荷波动要求.

Abstract

Hydrodynamic data of sieve trays with hole diameters of 5

20 and 25 mm were experimentally obtained and studied. A set of equations to correlate pressure drop

weeping velocity

entrainment and froth height was established

and was considered precise enough for design requirements. The performance and operating flexibility of large-holed sieve trays were studied and discussed. It can be shown that for properly designed sieve trays

operating flexibility can be achieved with a loading ratio 2 to 4

which is adequate for fluctuation of commercial-scale columns.

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