CN104370775B - 一种利用尿素装置回收三聚氰胺尾气的装置及工艺 - Google Patents
一种利用尿素装置回收三聚氰胺尾气的装置及工艺 Download PDFInfo
- Publication number
- CN104370775B CN104370775B CN201410574787.2A CN201410574787A CN104370775B CN 104370775 B CN104370775 B CN 104370775B CN 201410574787 A CN201410574787 A CN 201410574787A CN 104370775 B CN104370775 B CN 104370775B
- Authority
- CN
- China
- Prior art keywords
- section
- tail gas
- stage
- urea
- tower
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574787.2A CN104370775B (zh) | 2014-10-25 | 2014-10-25 | 一种利用尿素装置回收三聚氰胺尾气的装置及工艺 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574787.2A CN104370775B (zh) | 2014-10-25 | 2014-10-25 | 一种利用尿素装置回收三聚氰胺尾气的装置及工艺 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104370775A CN104370775A (zh) | 2015-02-25 |
| CN104370775B true CN104370775B (zh) | 2017-02-15 |
Family
ID=52550015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410574787.2A Active CN104370775B (zh) | 2014-10-25 | 2014-10-25 | 一种利用尿素装置回收三聚氰胺尾气的装置及工艺 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104370775B (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844479B (zh) * | 2015-03-25 | 2016-11-16 | 山东润昌工程设计有限公司 | 一种用于三聚氰胺和尿素稳定联产的尾气回收系统及工艺 |
| CN111635338A (zh) * | 2020-06-09 | 2020-09-08 | 兖矿集团有限公司 | 二氧化碳气提尿素装置与高压法三聚氰胺装置联产的装置和生产方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2317603C3 (de) * | 1973-04-07 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zur zumindest teilweisen Trennung von Ammoniak und Kohlendioxid enthaltenden Gasgemischen |
| EP1461139B1 (de) * | 2001-11-16 | 2005-08-31 | AMI Agrolinz Melamine International GmbH | Verfahren zur reinigung von offgasen einer melaminanlage |
| CN102093299A (zh) * | 2009-12-09 | 2011-06-15 | 丁泽华 | 一种三聚氰胺与尿素的联产方法 |
| CN101774950B (zh) * | 2009-12-25 | 2013-04-17 | 鲁西化工集团股份有限公司 | 一种利用三聚氰胺尾气联产尿素的工艺 |
| CN103145635B (zh) * | 2013-03-05 | 2014-12-03 | 中国五环工程有限公司 | 三聚氰胺生产装置的尾气回收工艺及系统 |
-
2014
- 2014-10-25 CN CN201410574787.2A patent/CN104370775B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104370775A (zh) | 2015-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103435517B (zh) | 一种二氧化碳汽提尿素的增产节能方法及其设备 | |
| CN106185984B (zh) | 基于水蒸汽电解法联合生产氨与硝酸的系统 | |
| CN104829494A (zh) | 一种节能型尿素生产系统及其生产工艺 | |
| CN104843816B (zh) | 一种热泵闪蒸汽提脱氨联产硫酸铵及氨水的方法 | |
| CN103566739A (zh) | 一种硝酸工业尾气中的氮氧化物(NOx)资源化治理方法 | |
| 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 | |
| CN103864021B (zh) | 一种利用化学链空气分离制备氧气的装置及方法 | |
| CN205398514U (zh) | 环己酮生产过程中环己酮精制装置 | |
| CN105771551A (zh) | 一种氨和二氧化碳的分离方法 | |
| CN118750896A (zh) | 一种节能型尿素生产系统 | |
| CN104844479B (zh) | 一种用于三聚氰胺和尿素稳定联产的尾气回收系统及工艺 | |
| CN104370775B (zh) | 一种利用尿素装置回收三聚氰胺尾气的装置及工艺 | |
| CN109232161A (zh) | 一种电厂烟气中二氧化碳回收与利用系统及方法 | |
| CN115645956B (zh) | 一种甲醇低压羰基化制醋酸工艺热量耦合利用系统及方法 | |
| CN204661587U (zh) | 一种节能型尿素生产系统 | |
| CN104987279A (zh) | 一种集成余热制冷和碳捕集的煤气化制甲醇系统及方法 | |
| CN102617405B (zh) | 一种合成气生产尿素流程中含氢尾气循环利用工艺 | |
| CN204939342U (zh) | 一种集成余热制冷和碳捕集的煤气化制甲醇系统 | |
| CN220803165U (zh) | 一种二氧化碳直接加氢制甲醇装置 | |
| CN206652378U (zh) | 脱硫塔尾气净化吸收用的氨水制备系统 | |
| CN204174133U (zh) | 一种利用尿素装置回收三聚氰胺尾气的装置 | |
| CN115959627A (zh) | 一种含氘残液提浓的方法及其装置 | |
| CN105439104A (zh) | 用于联产工业硫酸和液体二氧化硫的设备及方法 | |
| CN209702323U (zh) | 一种可自产硝酸的两钠装置 | |
| CN109368601B (zh) | 间/对苯二甲酰氯尾气生产氯磺酸的装置及方法 |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A device and process for recovering melamine tail gas using a urea device Granted publication date: 20170215 Pledgee: Hubei Dangyang Rural Commercial Bank Co.,Ltd. Pledgor: HUAQIANG CHEMICAL GROUP Co.,Ltd. Registration number: Y2024980006527 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170215 Pledgee: Hubei Dangyang Rural Commercial Bank Co.,Ltd. Pledgor: HUAQIANG CHEMICAL GROUP Co.,Ltd. Registration number: Y2024980006527 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A device and process for recovering melamine tail gas using a urea plant Granted publication date: 20170215 Pledgee: Hubei Dangyang Rural Commercial Bank Co.,Ltd. Pledgor: HUAQIANG CHEMICAL GROUP Co.,Ltd. Registration number: Y2025980013177 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170215 Pledgee: Hubei Dangyang Rural Commercial Bank Co.,Ltd. Pledgor: HUAQIANG CHEMICAL GROUP Co.,Ltd. Registration number: Y2025980013177 |