RU2004126243A - UREA PRODUCTION METHOD - Google Patents

UREA PRODUCTION METHOD Download PDF

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Publication number
RU2004126243A
RU2004126243A RU2004126243/04A RU2004126243A RU2004126243A RU 2004126243 A RU2004126243 A RU 2004126243A RU 2004126243/04 A RU2004126243/04 A RU 2004126243/04A RU 2004126243 A RU2004126243 A RU 2004126243A RU 2004126243 A RU2004126243 A RU 2004126243A
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RU
Russia
Prior art keywords
urea
capacitor
high pressure
condenser
capacitive
Prior art date
Application number
RU2004126243/04A
Other languages
Russian (ru)
Other versions
RU2301798C2 (en
Inventor
Йозеф Хюберт МЕССЕН (NL)
Йозеф Хюберт Мессен
Original Assignee
ДСМ Ай Пи ЭССЕТС Б.В. (NL)
ДСМ Ай Пи ЭССЕТС Б.В.
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Application filed by ДСМ Ай Пи ЭССЕТС Б.В. (NL), ДСМ Ай Пи ЭССЕТС Б.В. filed Critical ДСМ Ай Пи ЭССЕТС Б.В. (NL)
Publication of RU2004126243A publication Critical patent/RU2004126243A/en
Application granted granted Critical
Publication of RU2301798C2 publication Critical patent/RU2301798C2/en

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Classifications

    • 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
    • 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
    • B01J19/0006Controlling or regulating processes
    • B01J19/0013Controlling the temperature of the process
    • 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
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00121Controlling the temperature by direct heating or cooling
    • B01J2219/0013Controlling the temperature by direct heating or cooling by condensation of reactants

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (12)

1. Способ получения мочевины из диоксида углерода и аммиака посредством способа отгонки мочевины, включающего конденсатор высокого давления и аппарат отгонки высокого давления, посредством которого получают раствор для синтеза мочевины, где конденсат пара, который образуется во время отгонки при высоком давлении раствора для синтеза мочевины, используется для разложения карбамата аммония в растворе для синтеза мочевины при среднем давлении, отличающийся тем, что для разложения при среднем давлении используется сочетание конденсата пара и пара А, который образуется в конденсаторе высокого давления, причем конденсатор высокого давления является погружным конденсатором.1. A method of producing urea from carbon dioxide and ammonia by means of a urea distillation method comprising a high pressure condenser and a high pressure distillation apparatus, by means of which a urea synthesis solution is obtained, where the steam condensate that forms during the high pressure distillation of the urea synthesis solution, used for decomposition of ammonium carbamate in a solution for the synthesis of urea at medium pressure, characterized in that for the decomposition at medium pressure a combination of condensate pa and steam A, which is formed in the high pressure condenser, the high pressure condenser is a submerged condenser. 2. Способ по п.1, отличающийся тем, что емкостной конденсатор используется в качестве погружного конденсатора.2. The method according to claim 1, characterized in that the capacitive capacitor is used as an immersion capacitor. 3. Способ по п.1, отличающийся тем, что для разложения при среднем давлении используется только пар А.3. The method according to claim 1, characterized in that only steam A is used for decomposition at medium pressure. 4. Способ по п.1, отличающийся тем, что конденсация при высоком давлении проводится в емкостном реакторе.4. The method according to claim 1, characterized in that the condensation at high pressure is carried out in a capacitive reactor. 5. Способ по любому из пп.1-4, отличающийся тем, что пар А имеет температуру 160-170°С.5. The method according to any one of claims 1 to 4, characterized in that the steam And has a temperature of 160-170 ° C. 6. Способ по любому из пп.1-4, отличающийся тем, что пар А имеет давление 0,6-0,8 МПа.6. The method according to any one of claims 1 to 4, characterized in that the steam And has a pressure of 0.6-0.8 MPa. 7. Способ усовершенствования установки получения мочевины, включающей способ термической отгонки и конденсатор, отличающийся тем, что существующий конденсатор заменяется погружным конденсатором.7. A method for improving a urea production plant, comprising a thermal stripping method and a condenser, characterized in that the existing capacitor is replaced by an immersion capacitor. 8. Способ по п.7, отличающийся тем, что погружной конденсатор является емкостным конденсатором.8. The method according to claim 7, characterized in that the immersion capacitor is a capacitive capacitor. 9. Способ усовершенствования установки получения мочевины, включающей способ термической отгонки, конденсатор и реактор получения мочевины, отличающийся тем, что существующий конденсатор и существующий реактор получения мочевины заменяются емкостным реактором.9. A method for improving a urea production unit, comprising a thermal distillation method, a condenser and a urea production reactor, characterized in that the existing capacitor and the existing urea production reactor are replaced by a capacitive reactor. 10. Установка получения мочевины, включающая способ термической отгонки, отличающаяся тем, что установка получения мочевины включает погружной конденсатор.10. Installation for the production of urea, including a method of thermal distillation, characterized in that the installation for producing urea includes an immersion capacitor. 11. Установка получения мочевины по п.10, отличающаяся тем, что погружной конденсатор представляет собой емкостной конденсатор.11. The urea production unit of claim 10, wherein the immersion capacitor is a capacitive capacitor. 12. Установка получения мочевины, включающая способ термической отгонки, отличающаяся тем, что установка получения мочевины включает емкостной реактор.12. Installation for the production of urea, including a method of thermal distillation, characterized in that the installation for producing urea includes a capacitive reactor.
RU2004126243/04A 2002-01-28 2002-12-30 Method of production of carbamide, the installation for the method realization (versions), method of the installation upgrade (versions) RU2301798C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1019848A NL1019848C2 (en) 2002-01-28 2002-01-28 Process for the preparation of urea.
NL1019848 2002-01-28

Publications (2)

Publication Number Publication Date
RU2004126243A true RU2004126243A (en) 2006-01-27
RU2301798C2 RU2301798C2 (en) 2007-06-27

Family

ID=27656498

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2004126243/04A RU2301798C2 (en) 2002-01-28 2002-12-30 Method of production of carbamide, the installation for the method realization (versions), method of the installation upgrade (versions)

Country Status (8)

Country Link
CN (1) CN1260209C (en)
AR (1) AR038220A1 (en)
AU (1) AU2002360227B2 (en)
CA (1) CA2473224C (en)
MY (1) MY140851A (en)
NL (1) NL1019848C2 (en)
RU (1) RU2301798C2 (en)
WO (1) WO2003064379A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1918273A1 (en) 2006-11-04 2008-05-07 Urea Casale S.A. Process for urea production and related plant
WO2013165246A1 (en) * 2012-05-03 2013-11-07 Stamicarbon B.V. Method and apparatus for the production of urea from ammonia and carbon dioxide
GB201208312D0 (en) * 2012-05-11 2012-06-27 Afc Energy Plc Fuel cell system
CN103570588A (en) * 2013-08-30 2014-02-12 北京丰汉工程技术有限公司 Urea synthesis device and urea synthesis method
JP7088770B2 (en) 2018-07-26 2022-06-21 東洋エンジニアリング株式会社 Urea production method and equipment
WO2020183717A1 (en) * 2019-03-14 2020-09-17 Toyo Engineering Corporation Process and apparatus for urea production
JP7157684B2 (en) 2019-03-14 2022-10-20 東洋エンジニアリング株式会社 Urea production method and apparatus
EP3736415A1 (en) * 2019-05-10 2020-11-11 Yara International ASA Steam network assembly for a plant comprising an ammonia-producing unit and a urea-producing unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1068268B (en) * 1976-09-09 1985-03-21 Snam Progetti PROCEDURE FOR THE PRODUCTION OF UREA AND PURIFICATION OF WATERS
NL1003923C2 (en) * 1996-08-30 1998-03-04 Dsm Nv Process for the preparation of urea.

Also Published As

Publication number Publication date
CA2473224A1 (en) 2003-08-07
CN1617853A (en) 2005-05-18
WO2003064379A1 (en) 2003-08-07
CN1260209C (en) 2006-06-21
RU2301798C2 (en) 2007-06-27
AR038220A1 (en) 2005-01-05
CA2473224C (en) 2012-09-25
NL1019848C2 (en) 2003-07-30
MY140851A (en) 2010-01-29
AU2002360227B2 (en) 2009-02-26

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Effective date: 20121129

MM4A The patent is invalid due to non-payment of fees

Effective date: 20171231