Method for efficiently replacing denitration flue gas heat exchange element

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Method for efficiently replacing denitration flue gas heat exchange element

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ZHANG DALI / WANG LEI / WANG CHENG / LIU HAIJIN / LIU HONGBO

The invention provides a method for efficiently replacing a denitration flue gas heat exchange element, which comprises the following steps: S1, only one lifting electric hoist is used for replacing the denitration flue gas heat exchange element at present, and on the basis, one lifting electric hoist is continuously mounted, so that the two lifting electric hoists simultaneously work; s2, the two heat exchange elements on the upper layer are integrally dismantled, the heat exchange elements are dismantled through one lifting electric hoist, the other lifting electric hoist conducts hoisting operation, and the dismantled heat exchange elements are placed on the ground; and S3, the two heat exchange elements on the lower layer are replaced, and the heat exchange elements are replaced by one lifting electric hoist. The invention discloses a method for efficiently replacing a denitration flue gas heat exchange element. The problem that hoisting operation and replacement operation are mutually restricted is effectively solved through two lifting electric hoists; the replacement period is shortened to 48 hours in two days and is shortened by 67% compared with the original operation time of 144 hours in six days, the shutdown replacement time of an enterprise is remarkably shortened, and the production efficiency and benefits are improved.

本发明提出了一种高效更换脱硝烟气换热元件方法，包括S1：现有更换脱硝烟气换热元件仅用一台起重电葫芦，在此基础上，继续安装一台起重电葫芦，使得两台起重电葫芦同时进行作业；S2：进行整体拆除上层两条换热元件，其中一台起重电葫芦拆除换热元件，另一台起重电葫芦进行吊运作业，将拆下的换热元件放至地面；S3：进行对下层两条换热元件进行更换，其中一台起重电葫芦更换换热元件。一种高效更换脱硝烟气换热元件方法，两台起重电葫芦有效的解决了吊运作业和更换作业相互制约的问题；更换周期缩短为2天共48小时，与原作业时间6天共144小时缩短了67％，本发明显著地减少了企业停产更换时间，提升了生产效率和效益。

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Titel :

Method for efficiently replacing denitration flue gas heat exchange element

Weitere Titelangaben:

一种高效更换脱硝烟气换热元件方法

Beteiligte:

ZHANG DALI (Autor:in) / WANG LEI (Autor:in) / WANG CHENG (Autor:in) / LIU HAIJIN (Autor:in) / LIU HONGBO (Autor:in)

Erscheinungsdatum :

2023-01-17

Medientyp :

Patent

Format :

Elektronische Ressource

Sprache :

Chinesisch

Klassifikation :

IPC:

B66C Krane , CRANES / B66D Haspeln , CAPSTANS

Method for efficiently replacing denitration flue gas heat exchange element

Method for efficiently replacing denitration flue gas heat exchange element

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