CN105693489A - 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
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- CN105693489A CN105693489A CN201610198861.4A CN201610198861A CN105693489A CN 105693489 A CN105693489 A CN 105693489A CN 201610198861 A CN201610198861 A CN 201610198861A CN 105693489 A CN105693489 A CN 105693489A
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- 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
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Claims (8)
Priority Applications (1)
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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 |
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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 |
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CN105693489A true CN105693489A (zh) | 2016-06-22 |
CN105693489B CN105693489B (zh) | 2017-09-22 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106631735A (zh) * | 2016-12-03 | 2017-05-10 | 宜都市多邦化工有限公司 | 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 (5)
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 |
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 |
-
2016
- 2016-04-01 CN CN201610198861.4A patent/CN105693489B/zh active Active
Patent Citations (5)
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 |
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 |
---|
陈鹏: "聚甲醛装置甲醛回收系统技术改造总结", 《化肥设计》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106631735A (zh) * | 2016-12-03 | 2017-05-10 | 宜都市多邦化工有限公司 | 一种多聚甲醛再解聚的系统及其方法和应用 |
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 |
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Inventor after: Zhao Houquan Inventor after: Meng Weidong Inventor after: Xia Wenlong Inventor before: Zhao Houquan Inventor before: Meng Weidong Inventor before: Xia Wenlong |
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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. |
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