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IT201900023160A1 - Pompa centrifuga per processare urea fusa e relativo impianto - Google Patents

Pompa centrifuga per processare urea fusa e relativo impianto

Info

Publication number
IT201900023160A1
IT201900023160A1 IT102019000023160A IT201900023160A IT201900023160A1 IT 201900023160 A1 IT201900023160 A1 IT 201900023160A1 IT 102019000023160 A IT102019000023160 A IT 102019000023160A IT 201900023160 A IT201900023160 A IT 201900023160A IT 201900023160 A1 IT201900023160 A1 IT 201900023160A1
Authority
IT
Italy
Prior art keywords
centrifugal pump
molten urea
processing molten
relative plant
plant
Prior art date
Application number
IT102019000023160A
Other languages
English (en)
Inventor
Roberto Santucci
Original Assignee
Eurotecnica Melamine Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eurotecnica Melamine Ag filed Critical Eurotecnica Melamine Ag
Priority to IT102019000023160A priority Critical patent/IT201900023160A1/it
Priority to BR102020024588-0A priority patent/BR102020024588A2/pt
Priority to EP20211599.4A priority patent/EP3831809B8/en
Priority to PL20211599.4T priority patent/PL3831809T3/pl
Priority to US17/111,837 priority patent/US20210172459A1/en
Priority to CN202011409981.7A priority patent/CN112922843B/zh
Publication of IT201900023160A1 publication Critical patent/IT201900023160A1/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0016—Control, e.g. regulation, of pumps, pumping installations or systems by using valves mixing-reversing- or deviation valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • F04D9/002—Preventing vapour lock by means in the very pump
    • F04D9/003—Preventing vapour lock by means in the very pump separating and removing the vapour

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT102019000023160A 2019-12-06 2019-12-06 Pompa centrifuga per processare urea fusa e relativo impianto IT201900023160A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT102019000023160A IT201900023160A1 (it) 2019-12-06 2019-12-06 Pompa centrifuga per processare urea fusa e relativo impianto
BR102020024588-0A BR102020024588A2 (pt) 2019-12-06 2020-12-01 Bomba centrífuga e usina para processar ureia fundida
EP20211599.4A EP3831809B8 (en) 2019-12-06 2020-12-03 Centrifugal pump for processing molten urea and relative plant
PL20211599.4T PL3831809T3 (pl) 2019-12-06 2020-12-03 Pompa odśrodkowa do przetwarzania stopionego mocznika i odpowiednia instalacja
US17/111,837 US20210172459A1 (en) 2019-12-06 2020-12-04 Centrifugal pump for processing molten urea and relative plant
CN202011409981.7A CN112922843B (zh) 2019-12-06 2020-12-04 用于处理熔融尿素的离心泵以及相关设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000023160A IT201900023160A1 (it) 2019-12-06 2019-12-06 Pompa centrifuga per processare urea fusa e relativo impianto

Publications (1)

Publication Number Publication Date
IT201900023160A1 true IT201900023160A1 (it) 2021-06-06

Family

ID=70009264

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000023160A IT201900023160A1 (it) 2019-12-06 2019-12-06 Pompa centrifuga per processare urea fusa e relativo impianto

Country Status (6)

Country Link
US (1) US20210172459A1 (it)
EP (1) EP3831809B8 (it)
CN (1) CN112922843B (it)
BR (1) BR102020024588A2 (it)
IT (1) IT201900023160A1 (it)
PL (1) PL3831809T3 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452897A (zh) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法
CN118874001A (zh) * 2024-10-08 2024-11-01 西安泵阀总厂有限公司 一种分离型气液两相泵送系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202250886U (zh) * 2011-09-26 2012-05-30 大连深蓝泵业有限公司 双筒体自平衡节段式多级泵
CN202560651U (zh) * 2012-02-22 2012-11-28 肖大银 特种新型双吸尿素熔融泵
CN109723618A (zh) * 2018-12-28 2019-05-07 四川金象赛瑞化工股份有限公司 尿素泵的在线备用方法、应用和系统
US20190211833A1 (en) * 2017-01-10 2019-07-11 Mitsubishi Heavy Industries, Ltd. Vertical pump and urea synthesis plant

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118386A (en) * 1964-01-21 Multi-stage centrifugal pump
SU899538A1 (ru) * 1969-01-21 1982-01-23 Предприятие П/Я Г-4302 Способ получени мочевины и меламина
CN100518896C (zh) * 2001-11-16 2009-07-29 Ami-阿格罗林茨蜜胺有限公司 纯化三聚氰胺设备废气的方法
EP3187736B1 (de) * 2015-12-30 2021-04-14 Sulzer Management AG Mehrstufige horizontale zentrifugalpumpe zum fördern eines fluids sowie verfahren zum instandsetzen einer solchen
CN109404292A (zh) * 2018-12-09 2019-03-01 大连深蓝泵业有限公司 大化肥尿素装置高压泵

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202250886U (zh) * 2011-09-26 2012-05-30 大连深蓝泵业有限公司 双筒体自平衡节段式多级泵
CN202560651U (zh) * 2012-02-22 2012-11-28 肖大银 特种新型双吸尿素熔融泵
US20190211833A1 (en) * 2017-01-10 2019-07-11 Mitsubishi Heavy Industries, Ltd. Vertical pump and urea synthesis plant
CN109723618A (zh) * 2018-12-28 2019-05-07 四川金象赛瑞化工股份有限公司 尿素泵的在线备用方法、应用和系统

Also Published As

Publication number Publication date
EP3831809C0 (en) 2023-09-13
CN112922843B (zh) 2025-07-08
PL3831809T3 (pl) 2024-01-29
CN112922843A (zh) 2021-06-08
EP3831809B1 (en) 2023-09-13
US20210172459A1 (en) 2021-06-10
EP3831809A1 (en) 2021-06-09
BR102020024588A2 (pt) 2021-09-08
EP3831809B8 (en) 2023-10-18

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