Systems and methods for polymer degradation reduction

A system includes a subsea chemical injection system configured to inject a chemical into a well, wherein the choke trim comprises a first cylinder comprising a first plurality of spiral flow paths, a second cylinder comprising a second plurality of spiral flow paths, wherein the first cylinder is disposed within the second cylinder, and an outer portion comprising a plurality of axial passages, wherein the second cylinder is disposed within the outer portion. 种系统包含海底化学注射系统，其经配置以将化学品注射到井中，其中扼流器调节件包括：第圆柱体，其包括第多个螺旋流动路径；第二圆柱体，其包括第二多个螺旋流动路径，其中该第圆柱体安置于该第二圆柱体内；以及外部部分，其包括多个轴向通路，其中该第二圆柱体安置于该外部部分内。