RU2015152849A - Применение нержавеющей стали, выплавленной дуплекс-процессом, при отпарке аммиаком на установках для синтеза мочевины - Google Patents

Применение нержавеющей стали, выплавленной дуплекс-процессом, при отпарке аммиаком на установках для синтеза мочевины Download PDF

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RU2015152849A
RU2015152849A RU2015152849A RU2015152849A RU2015152849A RU 2015152849 A RU2015152849 A RU 2015152849A RU 2015152849 A RU2015152849 A RU 2015152849A RU 2015152849 A RU2015152849 A RU 2015152849A RU 2015152849 A RU2015152849 A RU 2015152849A
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stripping
stripping device
option
ammonia
stainless steel
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RU2654018C2 (ru
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Андреа СКОТТО
Федерико ЗАРДИ
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Касале Са
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/06Evaporators with vertical tubes
    • B01D1/065Evaporators with vertical tubes by film evaporating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1812Tubular reactors
    • B01J19/1825Tubular reactors in parallel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/245Stationary reactors without moving elements inside placed in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/247Suited for forming thin films
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/06Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081Heat exchange elements made from metals or metal alloys
    • F28F21/082Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
    • F28F21/083Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02Apparatus characterised by their chemically-resistant properties
    • B01J2219/025Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277Metal based
    • B01J2219/0286Steel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/24Stationary reactors without moving elements inside
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0022Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (15)

1. Кожухотрубное отпарное устройство для использования на установке для синтеза мочевины способом с отпаркой аммиаком или способом с самоотпаркой, включающее кожух и пучок труб с возможностью обеспечить отпарку раствора карбамата, подаваемого в указанные трубы путем нагрева, и необязательно с использованием аммиака в качестве средства для отпарки, отличающееся тем, что трубы изготовлены из нержавеющей стали, выплавленной дуплекс-процессом по одному из нижеуказанных вариантов:
А) сталь Safurex®, а именно 29Cr-6,5Ni-2Mo-N, которую по системе кодирования Американского общества инженеров-механиков (ASME) обозначают также 2295-3 и по Единой системе нумерации (UNS) - S32906,
или
Б) сталь DP28W™, а именно 27Cr-7,6Ni-1Mo-2,3W-N, которую по системе кодирования ASME обозначают также 2496-1 и по UNS - S32808.
2. Отпарное устройство по п. 1 для работы при температуре около 205°C и давлении 140-160 бар.
3. Отпарное устройство по одному из предшествующих пунктов, представляющее собой отпарное устройство с падающей пленкой.
4. Установка для синтеза мочевины способом с отпаркой аммиаком или термической отпаркой, включающая контур высокого давления для синтеза, который включает реактор для синтеза, кожухотрубное отпарное устройство и конденсатор, отличающаяся тем, что указанное отпарное устройство выполнено по одному из пп. 1-3.
5. Установка по п. 4, включающая в нижней части отпарного устройства питательную линию с возможностью подачи потока, содержащего кислород.
6. Установка по п. 5, в которой указанная линия для подачи потока, содержащего кислород, является линией, предназначенной для подачи воздуха, направленной в нижнюю часть отпарного устройства.
7. Установка по п. 6, в которой в контуре указанная линия для подачи потока, содержащего кислород, является линией для выходящего из реактора потока, отбираемого из сепаратора для отделения газа от жидкости в верхней части указанного реактора для синтеза.
8. Применение нержавеющей стали, выплавленной дуплекс-процессом, по варианту А) или варианту Б) п. 1, для изготовления пучка труб для отпарного устройства установки для синтеза мочевины способом с отпаркой аммиаком или установки для синтеза мочевины способом с термической отпаркой.
9. Способ модернизации установки для синтеза мочевины способом с отпаркой аммиаком или термической отпаркой, отличающийся тем, что для изготовления труб кожухотрубного отпарного устройства указанной установки используют нержавеющую сталь, выплавленную дуплекс-процессом, причем указанная сталь соответствует варианту А) или варианту Б) п. 1.
10. Способ по п. 9, отличающийся тем, что первоначальные трубы действующего отпарного устройства заменяют новыми трубами, изготовленными из нержавеющей стали, выплавленной дуплекс-процессом.
11. Способ модернизации установки для синтеза мочевины с полной рециркуляцией без отпарки, отличающийся тем, что устанавливают кожухотрубное отпарное устройство высокого давления, причем указанное отпарное устройство имеет трубы, изготовленные из нержавеющей стали, выплавленной дуплекс-процессом, и указанная сталь соответствует варианту А) или варианту Б) п. 1.
12. Способ синтеза мочевины по процессу с самоотпаркой или отпаркой аммиаком, включающий стадию отпарки выходящего из реактора потока в кожухотрубном отпарном устройстве, причем трубы указанного отпарного устройства изготовлены из нержавеющей стали, выплавленной дуплекс-процессом по варианту А) или варианту Б) п. 1.
RU2015152849A 2013-05-10 2014-05-05 Применение нержавеющей стали, выплавленной дуплекс-процессом, при отпарке аммиаком на установках для синтеза мочевины RU2654018C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20130167242 EP2801396A1 (en) 2013-05-10 2013-05-10 Use of duplex stainless steel in an ammonia-stripping of urea plants
EP13167242.0 2013-05-10
PCT/EP2014/059053 WO2014180761A1 (en) 2013-05-10 2014-05-05 Use of duplex stainless steel in an ammonia-stripping of urea plants

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RU2015152849A true RU2015152849A (ru) 2017-06-16
RU2654018C2 RU2654018C2 (ru) 2018-05-15

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US (1) US20160082408A1 (ru)
EP (2) EP2801396A1 (ru)
CN (1) CN105377394A (ru)
CA (1) CA2910373C (ru)
RU (1) RU2654018C2 (ru)
WO (1) WO2014180761A1 (ru)

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EA036426B1 (ru) 2015-07-20 2020-11-10 Стамикарбон Б.В. Дуплексная нержавеющая сталь и ее применение
CA2991658C (en) 2015-07-20 2023-12-19 Sandvik Intellectual Property Ab Duplex stainless steel and formed object thereof
AU2018366077B2 (en) 2017-11-10 2021-07-08 Stamicarbon B.V. Urea production process and plant
LT3502293T (lt) 2017-12-22 2020-07-10 Saipem S.P.A. Dupleksinio nerūdijančio plieno panaudojimas
CN117187700A (zh) 2019-07-05 2023-12-08 斯塔米卡邦有限公司 尿素装置中的铁素体钢部件

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005997A (en) * 1975-02-24 1977-02-01 The Dow Chemical Company Gas dehydration with liquid desiccants and regeneration thereof
IT1209532B (it) * 1984-04-20 1989-08-30 Snam Progetti Processo per la sintesi di urea e materiale utilizzato nello stesso.
SE501321C2 (sv) * 1993-06-21 1995-01-16 Sandvik Ab Ferrit-austenitiskt rostfritt stål samt användning av stålet
US6603095B2 (en) * 2001-07-23 2003-08-05 Siemens Automotive Corporation Apparatus and method of overlapping formation of chamfers and orifices by laser light
AR038192A1 (es) * 2002-02-05 2005-01-05 Toyo Engineering Corp Acero inoxidable duplex para plantas de produccion de urea, planta de produccion de urea y material de soldadura fabricado con dicho acero inoxidable duplex.
NL1020388C2 (nl) * 2002-04-15 2003-10-17 Dsm Nv Werkwijze voor de bereiding van ureum.
EP1577632A1 (en) 2004-03-16 2005-09-21 Urea Casale S.A. Apparatus for treating highly corrosive agents
US7922065B2 (en) * 2004-08-02 2011-04-12 Ati Properties, Inc. Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts
EP2107051A1 (en) * 2008-04-02 2009-10-07 DSM IP Assets B.V. Process for inreasing the capacity of an existing urea plant
EP2359921A1 (en) * 2010-02-12 2011-08-24 Urea Casale SA Falling-film stripper and stripping medium distributor for carbamate decomposition
CN101780341A (zh) * 2010-03-05 2010-07-21 张培洲 一种管式降膜蒸发器
EP2505581A1 (en) * 2011-03-31 2012-10-03 Stamicarbon B.V. Zero emission urea process and plant
ITMI20110804A1 (it) * 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
ITMI20120013A1 (it) * 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper

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CN105377394A (zh) 2016-03-02
US20160082408A1 (en) 2016-03-24
EP2994208A1 (en) 2016-03-16
RU2654018C2 (ru) 2018-05-15
WO2014180761A1 (en) 2014-11-13
CA2910373A1 (en) 2014-11-13
EP2801396A1 (en) 2014-11-12

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