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沼氣脫硫塔對(duì)于防腐有哪些要求?

沼氣脫硫塔的防腐非常關(guān)鍵,那么脫硫塔防腐有哪些要求呢?下面小編就來(lái)為大家具體介紹一下。

Anti corrosion of biogas desulfurizer is very important. What are the requirements for anti-corrosion of desulfurizer? The following Xiaobian will give you a specific introduction.
1、設(shè)備內(nèi)壁噴涂表面應(yīng)平齊,焊縫表面應(yīng)平整,不得有焊渣,焊瘤和毛刺,法蘭接管內(nèi)緣等轉(zhuǎn)角處修磨成圓角半徑不小于5mm的圓滑過(guò)渡。內(nèi)件修磨成圓角半徑不小于2mm的圓滑過(guò)渡(碳鋼部分)。
1. The spraying surface of the inner wall of the equipment shall be flush, and the weld surface shall be flat without welding slag, overlap and burr. The inner edge of flange nozzle and other corners shall be polished into a smooth transition with a fillet radius of not less than 5mm. The inner parts shall be polished into smooth transition (carbon steel part) with fillet radius not less than 2mm.
2、設(shè)備噴鋁表面需按下列步驟和要求進(jìn)行表面處理:
2. The aluminum sprayed surface of the equipment shall be subject to surface treatment according to the following steps and requirements:
(1)凈化處理:噴鋁表面需經(jīng)嚴(yán)格地清除油脂和污垢。
(1) Purification treatment: the aluminum spraying surface needs to be strictly cleaned of grease and dirt.
(2)粗化處理:凈化處理后的表面需進(jìn)行噴砂處理,噴砂后表面清潔度應(yīng)符合GB8923-88中Sa3級(jí)規(guī)定,不允許存在氧化皮,銹污垢和舊涂層等附著物。
(2) Roughening treatment: the cleaned surface shall be subject to sandblasting treatment. The surface cleanliness after sandblasting shall meet the requirements of grade SA3 in gb8923-88. No oxide scale, rust dirt, old coating and other attachments are allowed.
(3)表面處理合格后,等待噴鋁的停留時(shí)間應(yīng)盡量縮短,并嚴(yán)格保護(hù)噴砂表面,防止受潮,灰塵和油污等污染。
(3) After the surface treatment is qualified, the waiting time for aluminum spraying shall be shortened as far as possible, and the sandblasted surface shall be strictly protected from moisture, dust, oil and other pollution.
以上就是為大家介紹的有關(guān)沼氣脫硫的詳細(xì)的介紹,希望對(duì)您有所幫助.如果您有什么疑問(wèn)的話,歡迎聯(lián)系我們.我們將以的態(tài)度,為您提供服務(wù)http://m.ydjdys.com
The above is a detailed introduction about biogas desulfurization. I hope it can help you. If you have any questions, please contact us. We will provide you with services in a professional manner http://m.ydjdys.com

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