HRP20200078T1 - Dupleks nehrđajući čelik i njegova upotreba - Google Patents

Dupleks nehrđajući čelik i njegova upotreba Download PDF

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Publication number
HRP20200078T1
HRP20200078T1 HRP20200078TT HRP20200078T HRP20200078T1 HR P20200078 T1 HRP20200078 T1 HR P20200078T1 HR P20200078T T HRP20200078T T HR P20200078TT HR P20200078 T HRP20200078 T HR P20200078T HR P20200078 T1 HRP20200078 T1 HR P20200078T1
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Croatia
Prior art keywords
stainless steel
duplex stainless
urea
plant
ranges
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HRP20200078TT
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English (en)
Inventor
Daniel GULLBERG
Christina HARALDSSON
Anders Wilson
Alexander Aleida Antonius SCHEERDER
Kirk Anguah OFEI
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Stamicarbon B.V.
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Application filed by Stamicarbon B.V. filed Critical Stamicarbon B.V.
Publication of HRP20200078T1 publication Critical patent/HRP20200078T1/hr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation 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
    • B01D3/346—Distillation 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 the gas being used for removing vapours, e.g. transport gas
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/06—Evaporators with vertical tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0005—Degasification of liquids with one or more auxiliary substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation 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
    • C07C273/04—Preparation 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
    • F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277—Metal based
    • B01J2219/0286—Steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (15)

1. Upotreba dupleks nehrđajućeg čelika u karbamatnom okolišu, naznačena time što se navedena upotreba sastoji u izlaganju čelika fluidu koji sadrži karbamat, gdje dupleks nehrđajući čelik sadrži u težinskim % (mas%): i Ti, Nb, Hf, Ca, Al, Ba, V, Ce i B u količini od najviše 0.5 mas.% ukupno, koji uravnotežuju Fe i neizbježne prateće nečistoće; i gdje sadržaj je Mo+W veći od 3.0 no manji od 4.0.
2. Upotreba dupleks nehrđajućeg čelika u skladu s patentnim zahtjevom 1, naznačena time što dupleks nehrđajući čelik sadrži u težinskim % (mas%): koji uravnotežuju Fe i neizbježne prateće nečistoće.
3. Upotreba dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1 ili 2, naznačena time što se Mn kreće od 0.5-1.5 mas%.
4. Upotreba dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1 do 3, naznačena time što se Si kreće od 0.010 do 0.50 mas%.
5. Upotreba dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1 do 4, naznačena time što se Ni kreće od 5.5 do 8.5 mas%.
6. Upotreba dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1 do 5, naznačena time što se N kreće od 0.28 do 0.40 mas%.
7. Upotreba dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1 ili 2, naznačena time što se Mn kreće od 0.5-1.5 mas%, gdje se Si kreće od 0.010 do 0.50 mas%, gdje se Ni kreće od 5.5 do 8.5 mas%, te gdje se N kreće od 0.28 do 0.40 mas%.
8. Upotreba dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1-7 u postupku sinteze uree, naznačena time što je dupleks nehrđajući čelik namijenjen smanjivanju korozije jednog ili više dijelova visokotlačnog odjeljka za sintezu uree u kontaktu s otopinom amonijevog karbamata.
9. Oblikovani objekt, naznačen time što sadrži dupleks nehrđajući čelik u skladu s bilo kojim od patentnih zahtjeva 1-7, naznačen time što je navedeni oblikovani objekt pročišćivačka cijev u postrojenju za proizvodnju uree ili razdjeljivač tekućine za pročišćivač u postrojenju za proizvodnju uree.
10. Postupak proizvodnje uree, naznačen time što se sastoji u reakciji amonijaka s ugljičnim dioksidom u uvjetima za dobivanje uree u postrojenju za proizvodnju uree, gdje je najmanje jedan dio opreme postrojenja za proizvodnju uree načinjen od dupleks nehrđajućeg čelika u skladu s bilo kojim od patentnih zahtjeva 1-7.
11. Postrojenje za proizvodnju uree, naznačeno time što navedeno postrojenje sadrži jedan ili više dijelova koji sadrže dupleks nehrđajući čelik u skladu s bilo kojim od patentnih zahtjeva 1-7.
12. Postrojenje u skladu s patentnim zahtjevom 11, naznačeno time što su navedeni jedan ili više dijelova jedna ili više pročišćivačkih cijevi.
13. Postrojenje u skladu s patentnim zahtjevom 11 ili 12, naznačeno time što sadrži visokotlačni odjeljak za sintezu uree koji sadrži pročišćivač, gdje pročišćivač sadrži najmanje jedan razdjeljivač tekućine, koji sadrži dupleks nehrđajući čelik u skladu s bilo kojim od patentnih zahtjeva 1-7.
14. Postupak modificiranja postojećeg postrojenja za proizvodnju uree, gdje navedeno postrojenje sadrži jednu ili više komponenata koje se bira iz skupine koju čine razdjeljivači tekućine, radarski čunjevi, (kontrolni) ventili i ejektori, naznačen time što se navedeni postupak sastoji u koraku zamjene jedne ili više pročišćivačkih cijevi pročišćivačkom cijevi koja sadrži dupleks nehrđajući čelik u skladu s bilo kojim od patentnih zahtjeva 1-7.
15. Postupak smanjivanja brzine pasivne korozije u postrojenju za proizvodnju uree, naznačen time što se sastoji u zamjeni najmanje jedne pročišćivačke cijevi pročišćivačkom cijevi koja sadrži dupleks nehrđajući čelik u skladu s bilo kojim od patentnih zahtjeva 1-7.
HRP20200078TT 2015-07-20 2020-01-17 Dupleks nehrđajući čelik i njegova upotreba HRP20200078T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15177441 2015-07-20
PCT/NL2016/050542 WO2017014632A1 (en) 2015-07-20 2016-07-20 Duplex stainless steel and use thereof
EP16757366.6A EP3325676B1 (en) 2015-07-20 2016-07-20 Duplex stainless steel and use thereof

Publications (1)

Publication Number Publication Date
HRP20200078T1 true HRP20200078T1 (hr) 2020-04-03

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ID=53773249

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HRP20200078TT HRP20200078T1 (hr) 2015-07-20 2020-01-17 Dupleks nehrđajući čelik i njegova upotreba

Country Status (14)

Country Link
US (2) US20180195158A1 (hr)
EP (1) EP3325676B1 (hr)
JP (1) JP6629422B2 (hr)
CN (2) CN116083817A (hr)
AR (2) AR105403A1 (hr)
AU (1) AU2016295940B2 (hr)
CA (1) CA2992973C (hr)
EA (1) EA036426B1 (hr)
GE (1) GEP20217257B (hr)
HR (1) HRP20200078T1 (hr)
HU (1) HUE048545T2 (hr)
PL (1) PL3325676T3 (hr)
UA (2) UA124949C2 (hr)
WO (1) WO2017014632A1 (hr)

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AU2018366077B2 (en) 2017-11-10 2021-07-08 Stamicarbon B.V. Urea production process and plant
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EP3980150A1 (en) 2019-06-07 2022-04-13 Stamicarbon B.V. Urea plant with stripper and stripping method
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AU2021296691B2 (en) 2020-06-23 2023-09-14 Stamicarbon B.V. Thermal stripping urea plant and process
CN111926257A (zh) * 2020-08-13 2020-11-13 长兴云腾新能源科技有限公司 一种耐腐蚀的不锈钢管及其制备方法
US20240092730A1 (en) 2021-12-20 2024-03-21 Stamicarbon B.V. Thermal stripping urea production
AU2023221195A1 (en) 2022-02-15 2024-08-15 Stamicarbon B.V. Stripping-type urea plant for def production
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AR121250A2 (es) 2022-05-04
JP6629422B2 (ja) 2020-01-15
WO2017014632A1 (en) 2017-01-26
HUE048545T2 (hu) 2020-07-28
EP3325676B1 (en) 2019-12-18
AR105403A1 (es) 2017-09-27
CA2992973C (en) 2020-04-14
EA201890349A1 (ru) 2018-05-31
UA123771C2 (uk) 2021-06-02
AU2016295940A1 (en) 2018-02-15
US20180195158A1 (en) 2018-07-12
US20240035135A1 (en) 2024-02-01
CN116083817A (zh) 2023-05-09
AU2016295940B2 (en) 2019-11-14
GEP20217257B (en) 2021-05-25
EP3325676A1 (en) 2018-05-30
CN107922985A (zh) 2018-04-17
EA036426B1 (ru) 2020-11-10
PL3325676T3 (pl) 2020-04-30
UA124949C2 (uk) 2021-12-15
JP2018529020A (ja) 2018-10-04
CA2992973A1 (en) 2017-01-26

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