precompressor

This paper introduces the major equipment of the polysilicon reducing furnace electrical system,and emphasizes the working prin-ciples of preheating voltage regulator and reducing voltage regulator.

介绍了多晶硅还原炉电气系统的主要设备,着重分析了预热调压器和还原调压器的工作原理,并且提出了一种新型的还原调压器设计思想,减少了谐波含量,提高了功率因数。

The reasons for the leakage of high-pressured ammonia pre-heater row tubes and seals were explained, and how to handle and prevent the occurrence of similar accidents was proposed.

分析尿素装置高压氨预热器多次发生列管及封头泄漏的原因,提出如何处理及防止类似事故的发生。