CN1872842A - 常压两步法碳铵联产三聚氰胺工艺 - Google Patents
常压两步法碳铵联产三聚氰胺工艺 Download PDFInfo
- Publication number
- CN1872842A CN1872842A CN 200610045163 CN200610045163A CN1872842A CN 1872842 A CN1872842 A CN 1872842A CN 200610045163 CN200610045163 CN 200610045163 CN 200610045163 A CN200610045163 A CN 200610045163A CN 1872842 A CN1872842 A CN 1872842A
- Authority
- CN
- China
- Prior art keywords
- reactor
- melamine
- ammonia
- normal pressure
- gas
- 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
- 238000000034 method Methods 0.000 title claims abstract description 46
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 15
- JJEJDZONIFQNHG-UHFFFAOYSA-N [C+4].N Chemical compound [C+4].N JJEJDZONIFQNHG-UHFFFAOYSA-N 0.000 title claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 36
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 18
- 230000004087 circulation Effects 0.000 claims abstract description 18
- 239000012452 mother liquor Substances 0.000 claims abstract description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004202 carbamide Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims abstract description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 7
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 239000000376 reactant Substances 0.000 claims abstract description 5
- 238000005262 decarbonization Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 19
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 18
- 238000003763 carbonization Methods 0.000 claims description 11
- 235000011089 carbon dioxide Nutrition 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002000 scavenging effect Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005243 fluidization Methods 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001099 ammonium carbonate Substances 0.000 abstract description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 2
- 235000012501 ammonium carbonate Nutrition 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 26
- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001839 systemic circulation Effects 0.000 description 2
- HCITUYXHCZGFEO-UHFFFAOYSA-N 1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.N=C1NC(=N)NC(=N)N1 HCITUYXHCZGFEO-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000005997 Calcium carbide Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- -1 and under 385-395 °C Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 150000001912 cyanamides Chemical class 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
项目 | 国外 | 国内 | |||
高压法 | DSM法(低压法) | BASF法(常压法) | 常压法 | 本发明 | |
尿素/t | 3.5-3.8 | 3.4-3.5 | 3.2-3.3 | 3.6-3.8 | 3.2-3.3 |
氨/t | 350 | 500 | 200 | 250 | 250 |
催化剂/t | 6 | 15-20 | 20-25 | 10-15 | |
煤/t | 500 | 1000 | 1200 | 1400 | 1000 |
蒸汽折煤/t | 1800 | 1500 | 800 | 1000 | 1000 |
冷却水/t | 750 | 600 | 200 | 400 | 200 |
脱盐水 | 5 | 5 | ---- | 5 | 5 |
助溶剂 | 20 | 20 | ---- | 5 | 5 |
总成本/元 | 11558 | 10586 | 9248 | 10345 | 8262 |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200610045163 CN1872842B (zh) | 2006-06-27 | 2006-06-27 | 常压两步法碳铵联产三聚氰胺工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200610045163 CN1872842B (zh) | 2006-06-27 | 2006-06-27 | 常压两步法碳铵联产三聚氰胺工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1872842A true CN1872842A (zh) | 2006-12-06 |
CN1872842B CN1872842B (zh) | 2010-05-12 |
Family
ID=37483464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200610045163 Expired - Fee Related CN1872842B (zh) | 2006-06-27 | 2006-06-27 | 常压两步法碳铵联产三聚氰胺工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1872842B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103739561A (zh) * | 2013-11-01 | 2014-04-23 | 安徽金禾实业股份有限公司 | 一步法三聚氰胺生产尾气联产二步法三聚氰胺的方法 |
CN104130203A (zh) * | 2014-08-10 | 2014-11-05 | 山东省舜天化工集团有限公司 | 一种三聚氰胺联产碳酸氢铵工艺方法 |
CN104557721A (zh) * | 2014-12-30 | 2015-04-29 | 沈阳化工研究院有限公司 | 一种生产5,5-二甲基海因的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1670286A1 (de) * | 1967-11-11 | 1971-01-28 | Basf Ag | Verfahren zur Aufarbeitung der bei der Melaminsynthese anfallenden Abgase |
US3723430A (en) * | 1970-10-28 | 1973-03-27 | Nissan Chemical Ind Ltd | Method for reclamation of melamine waste gas |
CN1180699A (zh) * | 1997-09-19 | 1998-05-06 | 河北省广平县化肥厂 | 碳铵联产三聚氰胺生产新工艺 |
WO2000029393A1 (de) * | 1998-11-13 | 2000-05-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von reinem melamin |
CN1651419A (zh) * | 2004-02-06 | 2005-08-10 | 尹明大 | 三聚氰胺与碳铵联产工艺 |
CN1297520C (zh) * | 2005-04-25 | 2007-01-31 | 明水化肥厂 | 三胺联产碳铵工艺 |
-
2006
- 2006-06-27 CN CN 200610045163 patent/CN1872842B/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103739561A (zh) * | 2013-11-01 | 2014-04-23 | 安徽金禾实业股份有限公司 | 一步法三聚氰胺生产尾气联产二步法三聚氰胺的方法 |
CN103739561B (zh) * | 2013-11-01 | 2016-06-01 | 安徽金禾实业股份有限公司 | 一步法三聚氰胺生产尾气联产二步法三聚氰胺的方法 |
CN104130203A (zh) * | 2014-08-10 | 2014-11-05 | 山东省舜天化工集团有限公司 | 一种三聚氰胺联产碳酸氢铵工艺方法 |
CN104557721A (zh) * | 2014-12-30 | 2015-04-29 | 沈阳化工研究院有限公司 | 一种生产5,5-二甲基海因的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1872842B (zh) | 2010-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103011198B (zh) | 一种焦炉气制备合成氨的工艺 | |
CN109999618B (zh) | 一种中高压气源中二氧化碳的分离系统及方法 | |
CN102732349A (zh) | 一种生产液化天然气的方法 | |
CN108998357B (zh) | 一种餐厨垃圾与秸秆合成乙二醇联产lng的系统和方法 | |
CN101705128A (zh) | 制取合成天然气的绝热甲烷化工艺和装置 | |
CN1939840A (zh) | 电石炉尾气的处理与再利用方法 | |
CN103318850A (zh) | 用于硫铁矿和冶炼烟气制酸装置中的低温余热回收系统 | |
CN101492398B (zh) | 高效冷凝、低安装高度co2气提法尿素生产工艺及高压管式全冷凝反应器 | |
CN112484064B (zh) | 一种丙烷脱氢装置废热锅炉烟气的回收系统及方法 | |
CN100567244C (zh) | 用合成氨原料气中一氧化碳生产甲酸钠的新工艺 | |
CN1872842B (zh) | 常压两步法碳铵联产三聚氰胺工艺 | |
CN103214334A (zh) | 一种煤和天然气制取烯烃和氨的热电联产方法及装置 | |
CN206073565U (zh) | 一种制备高纯度液体二氧化碳的节能型装置 | |
CN104987275A (zh) | 一种两段式电石炉粉煤制乙烯的工艺及系统 | |
CN113350953A (zh) | 一种丙烷脱氢装置再生空气烟气的余热回收方法 | |
CN107311173A (zh) | 一种用于粉煤气化单元的高压气相二氧化碳的制备方法 | |
CN111013382A (zh) | 一种己二酸生产装置尾气处理装置及方法 | |
CN102876828B (zh) | 一种与气基竖炉配套的还原气净化工艺及系统 | |
CN111747411B (zh) | 工业二氧化碳气体的低压低温处理方法 | |
CN204981691U (zh) | 一种两段式电石炉粉煤制乙烯的系统 | |
CN102659102A (zh) | 一种水煤气制备工业一氧化碳的工艺及装置 | |
CN108034464A (zh) | 一种兰炭尾气制液化天然气的方法 | |
CN223112687U (zh) | 一种节能环保型低温甲醇洗尾气处理系统 | |
CN219346514U (zh) | 丙烷脱氢装置再生空气节能降碳系统 | |
CN222518534U (zh) | 一种利用干熄焦循环气中二氧化碳的甲醇催化合成系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HELI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANDONG UNITED CHEMICAL INDUSTRY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 256120 No. 36 Dongfeng Road, Yiyuan County, Shandong, Zibo Patentee after: SHANDONG LIAHERD CHEMICAL INDUSTRY CO., LTD. Address before: 256120 No. 36 Dongfeng Road, Yiyuan County, Shandong, Zibo Patentee before: Shandong United Chemical Industry Co., Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20171017 Address after: Yiyuan County Economic Development Zone 256100 Shandong city of Zibo province (county Yihe Road No. 1329) Patentee after: Shandong Heli Chemical Co., Ltd. Address before: 256120 No. 36 Dongfeng Road, Yiyuan County, Shandong, Zibo Patentee before: SHANDONG LIAHERD CHEMICAL INDUSTRY CO., LTD. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20190627 |
|
CF01 | Termination of patent right due to non-payment of annual fee |