Summary post on pumps in nitrogen fertilizer plants

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A compilation post on various pump types for nitrogen fertilizer systems, for everyone’s reference. No. Title Section Author Replies/Views Last Post
1 After increasing the outlet valve opening of a high-speed centrifugal pump, the pressure rises; decreasing the opening causes the pressure to drop. Nitrogen Fertilizer Process Technology Exchange wangboyth 2009-2-26 4 / 65 2009-2-28 15:37 by mozhiyang
2 Let’s discuss the frequency at which you replace the lubricating oil for your ammonia pumps and methylamine pumps. Nitrogen Fertilizer Process Technology Exchange 1025199692 2009-2-25 0 / 23 2009-2-25 20:54 by 1025199692
3 Can canned pumps be used for handling a 90% ** solution? Nitrogen Fertilizer Process Technology Exchange ddfmy 2009-2-20 2 / 40 2009-2-21 11:44 by ddfmy
4 What is the service life of the insulation cut-off valve at the inlet of the methylamine pump? Nitrogen Fertilizer Process Technology Exchange lxq700918 2008-12-5 9 / 302 2009-2-20 14:01 by zhanglihua
5 Selection of seal water medium for liquid ammonia pumps. Nitrogen Fertilizer Process Technology Exchange lxq700918 2009-2-8 15 / 267 2009-2-12 20:34 by mol100
6 Regarding the operating cycle of hydrolysis pumps. Nitrogen Fertilizer Process Technology Exchange lxq700918 2009-1-3 18 / 159 2009-2-5 09:26 by Fan Zhou Wu Hu
7 How should one reverse the flow direction of an ammonia pump under such circumstances? Nitrogen Fertilizer Process Technology Exchange qiwu9981 2009-1-30 2 / 118 2009-2-4 14:03 by lxq700918
8 What type of packing should be used for urea methylamine pumps? Nitrogen Fertilizer Process Technology Exchange SUN4192 2008-7-13 16 / 595 2009-2-3 10:45 by zhangya*ong
9 How are your urea hydrolysis feed pumps performing? Nitrogen Fertilizer Process Technology Discussion Forum zhangya*ong 2009-2-17 / 1512009-2-2 20:11 by ymtuegj1210 On the operating cycle of high-pressure ammonium methoxide pumps Nitrogen Fertilizer Process Technology Discussion Forum lxq700918 2009-1-239 / 2502009-2-2 11:52 by zhangya*ong11 Issues related to using a single unit or pump for two urea synthesis towers Nitrogen Fertilizer Process Technology Discussion Forum aluo169 2008-6-515 / 9492009-1-13 09:32 by cb200812 Reasons for vibration in the pipeline at the outlet of the ammonium methoxide pump and intense vibration at the inlet of the scrubber Nitrogen Fertilizer Process Technology Discussion Forum Thoughtful Dreams 2009-1-510 / 2082009-1-7 16:46 by Li Xuwen13 How to determine whether a high-pressure ammonium methoxide pump is operating unstably based on sound? Nitrogen Fertilizer Process Technology Discussion Forum Thoughtful Dreams 2009-1-55 / 1852009-1-7 16:24 by Hu Yi14 What are the reasons for poor performance or no performance of centrifugal pumps? Nitrogen Fertilizer Process Technology Exchange Area ymtuegj12 2009-1-63 / 1302009-1-7 11:08 by Suifeng Qianru15 Bitmap Urgent help: Problem with the first-stage pump not working 1 2 Nitrogen Fertilizer Process Technology Exchange Area aluo169 2008-10-3140 / 8902009-1-4 22:40 by ttlkk16 Problem of backflow in high-pressure ammonia pumps Nitrogen Fertilizer Process Technology Exchange Area ck0285730 2008-12-306 / 1892008-12-31 11:17 by mol10017 What are the different structural types of pumps used in urea production? Nitrogen Fertilizer Process Technology Exchange Area xwf2 2008-12-18 / 2602008-12-19 17:53 by *ang082618 Regarding the timing of pump switching over in urea production Nitrogen Fertilizer Process Technology Exchange Area Durian 2008-6-69 / 5112008-12-15 20:02 by mol10019 What are the reasons for low frequency in diethylamine pumps, and how to address it? Nitrogen Fertilizer Process Technology Exchange Area wwwppm 2008-12-75 / 1622008-12-8 12:39 by ty0ty0020 Reasons for cracks in the hydraulic cylinders of the single-stage pump in the aqueous solution full-circulation system Nitrogen Fertilizer Process Technology Exchange Area Canghai Yisu Zi 2008-12-18 / 2432008-12-3 09:04 by ymtuegj1221 Can bitmap desalination pumps suffer from cavitation? Nitrogen Fertilizer Process Technology Discussion Areaasdf1934 2008-10-2610 / 2552008-10-30 11:49 by chenOldAccount (This account is not to be used)22Issues with high-pressure pumps Nitrogen Fertilizer Process Technology Discussion Areaasdf1934 2008-10-2415 / 2892008-10-27 00:16 by FanZhouWuHu23Selection of materials for urea pump shafts Nitrogen Fertilizer Process Technology Discussion Areazfk 2008-2-270 / 1402008-2-27 14:28 by zfk24Application of fly-iron pumps in urea melting pumps Nitrogen Fertilizer Process Technology Discussion Arealchym558 2007-11-253 / 3292007-12-16 22:03 by ttlkk25Improvements to mechanical seals used in Bitmap sulfuric acid AN plant pumps Nitrogen Fertilizer Process Technology Discussion Areapercheronlcw 2007-10-260 / 2262007-10-26 19:09 by percheronlcw26Question: Is it necessary for a type I pump to have a large bypass line? Nitrogen Fertilizer Process Technology Exchange Area – Xiao Fan 2009-2-10 4 / 882007-2-13 23:21 by ty0ty0027 Can the pump in the evaporation system be automated? Nitrogen Fertilizer Process Technology Discussion Area – Pei Yuming, 2009-2-6 2/572007-2-9 21:55, posted by Fan Zhou Wu Hu 28. What is the model of the pump you are using? Nitrogen Fertilizer Process Technology Discussion Area – jindin312, 2009-1-12 3/1112007-1-20 10:40, posted by Wuguangju29. What is the model of the ammonia pump you are using? Nitrogen Fertilizer Process Technology Discussion Area – jindin312, 2009-1-12 5/1142007-1-15 20:30, posted by 10000230. What pumps are used in urea production? Nitrogen Fertilizer Process Technology Exchange Area – Benbird, 2008-12-27, 5 / 1842007-1-4, 13:35, by Durian. This post was last edited by lxq700918 on 2009-3-1, 11:07