CN107778261A - 节能型低压萃冷三聚氰胺生产工艺 - Google Patents
节能型低压萃冷三聚氰胺生产工艺 Download PDFInfo
- Publication number
- CN107778261A CN107778261A CN201610720038.5A CN201610720038A CN107778261A CN 107778261 A CN107778261 A CN 107778261A CN 201610720038 A CN201610720038 A CN 201610720038A CN 107778261 A CN107778261 A CN 107778261A
- Authority
- CN
- China
- Prior art keywords
- hot gas
- filter
- melamine
- gas cooler
- crystallizer
- 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.)
- Granted
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 53
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000005516 engineering process Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000284 extract Substances 0.000 title claims description 20
- 239000007789 gas Substances 0.000 claims abstract description 85
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 210000002700 urine Anatomy 0.000 claims abstract description 17
- 239000012159 carrier gas Substances 0.000 claims abstract description 12
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 10
- 238000007790 scraping Methods 0.000 claims abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000002000 scavenging effect Effects 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000008246 gaseous mixture Substances 0.000 description 4
- 206010039509 Scab Diseases 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- JZLWSRCQCPAUDP-UHFFFAOYSA-N 1,3,5-triazine-2,4,6-triamine;urea Chemical group NC(N)=O.NC1=NC(N)=NC(N)=N1 JZLWSRCQCPAUDP-UHFFFAOYSA-N 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009615 deamination Effects 0.000 description 2
- 238000006481 deamination reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 150000007974 melamines Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000632 Alusil Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 electricity Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- C07D251/62—Purification of melamine
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610720038.5A CN107778261B (zh) | 2016-08-25 | 2016-08-25 | 节能型低压萃冷三聚氰胺生产工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610720038.5A CN107778261B (zh) | 2016-08-25 | 2016-08-25 | 节能型低压萃冷三聚氰胺生产工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107778261A true CN107778261A (zh) | 2018-03-09 |
CN107778261B CN107778261B (zh) | 2021-07-09 |
Family
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Family Applications (1)
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CN201610720038.5A Active CN107778261B (zh) | 2016-08-25 | 2016-08-25 | 节能型低压萃冷三聚氰胺生产工艺 |
Country Status (1)
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CN (1) | CN107778261B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108373454A (zh) * | 2018-04-08 | 2018-08-07 | 山东鸿运工程设计有限公司 | 一种三聚氰胺生产装置及生产工艺 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1188761A (zh) * | 1998-02-24 | 1998-07-29 | 蒋大洲 | 一种三聚氰胺生产工艺及其装置 |
CN101671311A (zh) * | 2009-08-06 | 2010-03-17 | 徐建华 | 一步法生产三聚氰胺的节能工艺 |
CN102219754A (zh) * | 2011-04-28 | 2011-10-19 | 四川金圣赛瑞化工有限责任公司 | 节能节资型气相淬冷法蜜胺生产系统及其工艺 |
CN102452992A (zh) * | 2010-10-20 | 2012-05-16 | 郗运柱 | 一种节能型的三聚氰胺的生产工艺 |
CN102558079A (zh) * | 2011-12-30 | 2012-07-11 | 南通紫鑫实业有限公司 | 一种三聚氰胺生产工艺 |
CN103102320A (zh) * | 2013-01-17 | 2013-05-15 | 李鑫 | 一种三聚氰胺缓冷结晶生产方法 |
CN203269828U (zh) * | 2013-06-18 | 2013-11-06 | 尹明大 | 一种三聚氰胺生产系统 |
CN103636334A (zh) * | 2013-12-06 | 2014-03-19 | 广西壮族自治区水力机械研究所 | 肥料定点投放装置、肥料和种子定点投放装置及方法 |
-
2016
- 2016-08-25 CN CN201610720038.5A patent/CN107778261B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1188761A (zh) * | 1998-02-24 | 1998-07-29 | 蒋大洲 | 一种三聚氰胺生产工艺及其装置 |
CN101671311A (zh) * | 2009-08-06 | 2010-03-17 | 徐建华 | 一步法生产三聚氰胺的节能工艺 |
CN102452992A (zh) * | 2010-10-20 | 2012-05-16 | 郗运柱 | 一种节能型的三聚氰胺的生产工艺 |
CN102219754A (zh) * | 2011-04-28 | 2011-10-19 | 四川金圣赛瑞化工有限责任公司 | 节能节资型气相淬冷法蜜胺生产系统及其工艺 |
CN102558079A (zh) * | 2011-12-30 | 2012-07-11 | 南通紫鑫实业有限公司 | 一种三聚氰胺生产工艺 |
CN103102320A (zh) * | 2013-01-17 | 2013-05-15 | 李鑫 | 一种三聚氰胺缓冷结晶生产方法 |
CN203269828U (zh) * | 2013-06-18 | 2013-11-06 | 尹明大 | 一种三聚氰胺生产系统 |
CN103636334A (zh) * | 2013-12-06 | 2014-03-19 | 广西壮族自治区水力机械研究所 | 肥料定点投放装置、肥料和种子定点投放装置及方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108373454A (zh) * | 2018-04-08 | 2018-08-07 | 山东鸿运工程设计有限公司 | 一种三聚氰胺生产装置及生产工艺 |
CN108373454B (zh) * | 2018-04-08 | 2023-07-25 | 山东鸿运工程设计有限公司 | 一种三聚氰胺生产装置及生产工艺 |
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CN107778261B (zh) | 2021-07-09 |
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Effective date of registration: 20211201 Address after: 100029 Room 203, science and technology building, 15 North Third Ring Road East, Chaoyang District, Beijing Patentee after: Wang Qingfeng Address before: 100029 Room 203, science and technology building, 15 North Third Ring Road East, Chaoyang District, Beijing Patentee before: Wang Qingfeng Patentee before: Ju Xiao |
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Inventor after: Wang Qingfeng Inventor before: Wang Qingfeng Inventor before: Ju Xiao |
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Effective date of registration: 20240329 Address after: Room 265, 3rd Floor, Building 3, Zone 4, Xishan Creative Park, Haidian District, Beijing, 100195 Patentee after: Beijing chuangzhizhong Science & Technology Development Co.,Ltd. Country or region after: China Address before: 100029 Room 203, science and technology building, 15 North Third Ring Road East, Chaoyang District, Beijing Patentee before: Wang Qingfeng Country or region before: China |
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