CN1078205C - 提高现有尿素生产方法的生产能力的方法 - Google Patents
提高现有尿素生产方法的生产能力的方法 Download PDFInfo
- Publication number
- CN1078205C CN1078205C CN98105601A CN98105601A CN1078205C CN 1078205 C CN1078205 C CN 1078205C CN 98105601 A CN98105601 A CN 98105601A CN 98105601 A CN98105601 A CN 98105601A CN 1078205 C CN1078205 C CN 1078205C
- Authority
- CN
- China
- Prior art keywords
- condenser
- urea
- ammonia
- mixture
- reactor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 239000004202 carbamide Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 101
- 229910021529 ammonia Inorganic materials 0.000 claims description 52
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 51
- 235000011089 carbon dioxide Nutrition 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 38
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 34
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 28
- 239000008246 gaseous mixture Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011541 reaction mixture Substances 0.000 claims description 13
- 230000006837 decompression Effects 0.000 claims description 11
- 238000007796 conventional method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 206010013647 Drowning Diseases 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 15
- 230000005494 condensation Effects 0.000 description 8
- 238000009833 condensation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- YOWAEZWWQFSEJD-UHFFFAOYSA-N quinoxalin-2-amine Chemical compound C1=CC=CC2=NC(N)=CN=C21 YOWAEZWWQFSEJD-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- 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
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- 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
-
- 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
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1004977A NL1004977C2 (nl) | 1997-01-13 | 1997-01-13 | Methode om de capaciteit van een bestaand ureum proces te verhogen. |
NL1004977 | 1997-01-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1192435A CN1192435A (zh) | 1998-09-09 |
CN1078205C true CN1078205C (zh) | 2002-01-23 |
Family
ID=19764196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98105601A Expired - Fee Related CN1078205C (zh) | 1997-01-13 | 1998-01-12 | 提高现有尿素生产方法的生产能力的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6118023A (zh) |
CN (1) | CN1078205C (zh) |
CA (2) | CA2553388C (zh) |
EA (1) | EA000354B1 (zh) |
NL (1) | NL1004977C2 (zh) |
UA (1) | UA67718C2 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1036787B1 (en) * | 1999-03-16 | 2003-06-04 | Urea Casale S.A. | Method for modernizing a urea production plant |
EP1289942B1 (en) * | 2000-06-15 | 2008-05-07 | Urea Casale S.A. | Process and plant for the production of urea |
NL1017990C2 (nl) * | 2001-05-03 | 2002-11-05 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
NL1026607C2 (nl) * | 2004-07-07 | 2006-01-10 | Dsm Ip Assets Bv | Werkwijze voor de bereiding van ureum. |
NL1027697C2 (nl) * | 2004-12-09 | 2006-06-12 | Dsm Ip Assets Bv | Werkwijze voor het verhogen van de capaciteit van een bestaand ureumproces. |
EP2107051A1 (en) * | 2008-04-02 | 2009-10-07 | DSM IP Assets B.V. | Process for inreasing the capacity of an existing urea plant |
EP2941416B1 (en) * | 2012-12-28 | 2017-09-06 | Stamicarbon B.V. | Urea plant revamping method |
CN107179007B (zh) * | 2017-06-19 | 2023-06-02 | 大唐东北电力试验研究所有限公司 | 一种火电厂抽真空氨液回收系统及方法 |
CN111278804B (zh) * | 2017-10-27 | 2021-07-20 | 斯塔米卡邦有限公司 | 高压氨基甲酸盐冷凝器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936500A (en) * | 1972-06-12 | 1976-02-03 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL101446C (zh) * | 1960-04-08 | |||
NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1997
- 1997-01-13 NL NL1004977A patent/NL1004977C2/nl not_active IP Right Cessation
-
1998
- 1998-01-09 US US09/005,224 patent/US6118023A/en not_active Expired - Lifetime
- 1998-01-12 UA UA98010140A patent/UA67718C2/uk unknown
- 1998-01-12 EA EA199800056A patent/EA000354B1/ru not_active IP Right Cessation
- 1998-01-12 CN CN98105601A patent/CN1078205C/zh not_active Expired - Fee Related
- 1998-01-13 CA CA002553388A patent/CA2553388C/en not_active Expired - Fee Related
- 1998-01-13 CA CA002226771A patent/CA2226771C/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936500A (en) * | 1972-06-12 | 1976-02-03 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
Non-Patent Citations (1)
Title |
---|
《化工辞典》第三版 1992.7.1 王箴化学工业出版社 * |
Also Published As
Publication number | Publication date |
---|---|
CN1192435A (zh) | 1998-09-09 |
US6118023A (en) | 2000-09-12 |
CA2226771C (en) | 2007-03-13 |
CA2553388A1 (en) | 1998-07-13 |
CA2226771A1 (en) | 1998-07-13 |
UA67718C2 (uk) | 2004-07-15 |
EA000354B1 (ru) | 1999-04-29 |
EA199800056A1 (ru) | 1998-08-27 |
CA2553388C (en) | 2008-11-18 |
NL1004977C2 (nl) | 1998-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DSMIP PROPERTY CO., LTD. Free format text: FORMER OWNER: DSM N. V. Effective date: 20040618 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040618 Address after: Holland Heerlen Patentee after: DSMIP Property N. V. Address before: Holland Heerlen Patentee before: DSM N. V. |
|
ASS | Succession or assignment of patent right |
Owner name: STAMICARBON CO.,LTD. Free format text: FORMER OWNER: DSM IP PROPERTY,INC. Effective date: 20100330 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HEERLEN, NETHERLANDS TO: GELEEN, NETHERLANDS |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100330 Address after: Geleen Patentee after: DSM IP Assets BV Address before: Holland Heerlen Patentee before: DSM IP Property Limited |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020123 Termination date: 20160112 |
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CF01 | Termination of patent right due to non-payment of annual fee |