CN105693489B - 一种多聚甲醛生产中稀甲醛的分级回收利用系统及方法 - Google Patents
一种多聚甲醛生产中稀甲醛的分级回收利用系统及方法 Download PDFInfo
- Publication number
- CN105693489B CN105693489B CN201610198861.4A CN201610198861A CN105693489B CN 105693489 B CN105693489 B CN 105693489B CN 201610198861 A CN201610198861 A CN 201610198861A CN 105693489 B CN105693489 B CN 105693489B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- formaldehyde
- connection
- stillpot
- paraformaldehyde
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
- C07C47/04—Formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural 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 |
---|---|---|---|
CN201610198861.4A CN105693489B (zh) | 2016-04-01 | 2016-04-01 | 一种多聚甲醛生产中稀甲醛的分级回收利用系统及方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610198861.4A CN105693489B (zh) | 2016-04-01 | 2016-04-01 | 一种多聚甲醛生产中稀甲醛的分级回收利用系统及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105693489A CN105693489A (zh) | 2016-06-22 |
CN105693489B true CN105693489B (zh) | 2017-09-22 |
Family
ID=56218853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610198861.4A Active CN105693489B (zh) | 2016-04-01 | 2016-04-01 | 一种多聚甲醛生产中稀甲醛的分级回收利用系统及方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105693489B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106631735B (zh) * | 2016-12-03 | 2023-10-20 | 湖北泰盛化工有限公司 | 一种多聚甲醛再解聚的系统及其方法和应用 |
CN110041183A (zh) * | 2019-05-15 | 2019-07-23 | 宜都市多邦化工有限公司 | 一种多聚甲醛生产中稀甲醛的回收利用系统及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0412192A1 (de) * | 1987-01-30 | 1991-02-13 | Leuna-Werke Ag | Verfahren zur Herstellung von körnigem Paraformaldehyd |
CN203999470U (zh) * | 2014-07-21 | 2014-12-10 | 江苏凯茂石化科技有限公司 | 一种多聚甲醛生产工艺装置 |
CN104211884A (zh) * | 2014-08-13 | 2014-12-17 | 山东滨州新天阳化工有限责任公司 | 一种多聚甲醛制备中的尾气处理工艺 |
CN205528526U (zh) * | 2016-04-01 | 2016-08-31 | 宜都市多邦化工有限公司 | 一种多聚甲醛生产中稀甲醛的分级回收利用系统 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61152716A (ja) * | 1984-12-27 | 1986-07-11 | Ube Ind Ltd | ホルムアルデヒド共重合体の製法 |
-
2016
- 2016-04-01 CN CN201610198861.4A patent/CN105693489B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0412192A1 (de) * | 1987-01-30 | 1991-02-13 | Leuna-Werke Ag | Verfahren zur Herstellung von körnigem Paraformaldehyd |
CN203999470U (zh) * | 2014-07-21 | 2014-12-10 | 江苏凯茂石化科技有限公司 | 一种多聚甲醛生产工艺装置 |
CN104211884A (zh) * | 2014-08-13 | 2014-12-17 | 山东滨州新天阳化工有限责任公司 | 一种多聚甲醛制备中的尾气处理工艺 |
CN205528526U (zh) * | 2016-04-01 | 2016-08-31 | 宜都市多邦化工有限公司 | 一种多聚甲醛生产中稀甲醛的分级回收利用系统 |
Non-Patent Citations (1)
Title |
---|
聚甲醛装置甲醛回收系统技术改造总结;陈鹏;《化肥设计》;20130228;第51卷(第1期);第51-52、55页 * |
Also Published As
Publication number | Publication date |
---|---|
CN105693489A (zh) | 2016-06-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101857210B (zh) | 用湿法磷酸生产工业级磷酸二铵的方法 | |
CN102795964B (zh) | 一种年产2万吨钙法三羟甲基丙烷的生产工艺 | |
CN105693489B (zh) | 一种多聚甲醛生产中稀甲醛的分级回收利用系统及方法 | |
CN106587476A (zh) | 橡胶促进剂ns\cz\dz生产的混合污水处理方法 | |
CN105967417A (zh) | 含磷废水的处理方法 | |
CN104109078B (zh) | 一种安乃近生产中乙醇回收的方法 | |
CN101591244A (zh) | 乙酰柠檬酸三丁酯的半连续化生产工艺 | |
CN106082516A (zh) | 一种分盐结晶工艺和装置 | |
CN103213961A (zh) | 一种磷酸一铵生产用水封闭循环利用方法 | |
CN106495174A (zh) | 凹凸棒土湿法双酸活化方法 | |
CN104211250A (zh) | 从ak糖工业废水中回收有机胺的方法 | |
CN102206014A (zh) | 羧甲基纤维素钠生产废水处理及有价值成分综合利用工艺 | |
CN101591084B (zh) | 一种减少二氧化碳排放的草甘膦废水处理方法 | |
CN106468032A (zh) | 一种从硫酸盐法制浆黑液中提取木素的方法及装置 | |
CN101381172B (zh) | 一种腌渍废盐水的循环再利用方法及其装置 | |
CN205528526U (zh) | 一种多聚甲醛生产中稀甲醛的分级回收利用系统 | |
CN115305574B (zh) | 一种利用磷石膏与盐水快速制备晶须的方法 | |
CN204058303U (zh) | 一种甲酸钠的提纯装置 | |
CN105314780A (zh) | 亚磷酸三甲酯废水处理方法 | |
CN107129103B (zh) | 一种糠醛生产废水综合处理利用工艺与方法 | |
CN209854446U (zh) | 一种处理黑液的装置 | |
CN103011230A (zh) | 一种低成本制取纳米硫酸钙的方法 | |
CN106379869A (zh) | 一种电极箔腐蚀废酸液中提取硫酸的工艺 | |
CN209242683U (zh) | 一种冶金含盐废酸回收处理系统 | |
CN102153225B (zh) | 羧甲基纤维素钠工业污水处理装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhao Houquan Inventor after: Meng Weidong Inventor after: Xia Wenlong Inventor before: Zhao Houquan Inventor before: Meng Weidong Inventor before: Xia Wenlong |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200811 Address after: 443007 no.66-4, Juting Avenue, liaoting District, Yichang City, Hubei Province Patentee after: HUBEI TAISHENG CHEMICAL Co.,Ltd. Address before: 443311, Huaxin Road 8, branch Town, Yichang, Hubei, Yidu Patentee before: YIDU DUOBANG CHEMICAL Co.,Ltd. |
|
TR01 | Transfer of patent right |