Screw ring

Using screw ring instead of circlip for locking the nozzle to eliminate the axial clearance ;

用螺纹环取代卡簧锁紧喷嘴，以消除喷嘴的轴向间隙；

Fault Analysis of the High Pressure Screw Lock Ring Heat Exchangers in Repair and Countermeasures

高压螺纹锁紧环式换热器检修中常见故障分析及对策

Design of φ 1600mm screw locking ring heat exchanger

Φ1600mm螺纹锁紧环换热器的设计

Screw lock ring heat exchangers as main equipments are used in hydrogenation cracking plant which have many shortcomings .

传统的加氢裂化装置主要换热器采用的是螺纹锁紧环式换热器，存在许多缺点。

An analysis was conducted of the common faults and their causes of the high pressure screw lock ring heat exchangers found in inspection and repair , and some solutions were proposed .

对螺纹锁紧环式换热器检修过程中常出现故障及原因进行了分析，并提出解决办法及建议。

The Φ 1600mm screw locking ring heat exchanger designed by Zheng hai refined and chemical engineering company is domestic screw locking heat exchanger with the largest diameter at present .

镇海炼化工程公司设计的φ1600mm螺纹锁紧环换热器，是国内目前直径最大的螺纹锁紧环换热器。

This text recommends the solid example to introduce non-standard rectangle screw thread ring gauge and plug gauge with the designing project , designing way of thinking , designing the step and calculation method , there is certain reference value for designing all kinds of screw thread measure gauge .

通过实例介绍了非标准矩形螺纹环规和塞规的设计方案、设计思路、设计步骤及计算方法，对设计螺纹量规具有一定的参考价值。

Methods : The fractured pelvis was fixed by external support at the anterior ring and percutaneous sacroiliac canulated screw at the posterior ring .

方法：骨盆前环外固定支架固定，骨盆后环经皮骶髂空心螺钉固定治疗骨盆骨折。

An improved nozzle stopper of a pipe-in-pipe consists of two opposite screw plates , a clamping block , a trapezoid block , and a screw fixing ring .

一种改进的管中管管口封塞，是由两片相对的螺杆片、夹紧块、梯形块、螺杆固定圈组成；