CN105218315B - 一种使用分隔壁精馏塔结合热泵精制甲醇的方法及装置 - Google Patents
一种使用分隔壁精馏塔结合热泵精制甲醇的方法及装置 Download PDFInfo
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- CN105218315B CN105218315B CN201510647969.2A CN201510647969A CN105218315B CN 105218315 B CN105218315 B CN 105218315B CN 201510647969 A CN201510647969 A CN 201510647969A CN 105218315 B CN105218315 B CN 105218315B
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- divided
- distillation column
- wall distillation
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 459
- 238000004821 distillation Methods 0.000 title claims abstract description 153
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000012535 impurity Substances 0.000 claims abstract description 51
- 239000000470 constituent Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 39
- 238000007599 discharging Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 12
- 230000000153 supplemental effect Effects 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 150000001299 aldehydes Chemical class 0.000 claims description 5
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 150000002170 ethers Chemical class 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 6
- 238000007670 refining Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 241000736911 Turritella communis Species 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000001760 fusel oil Substances 0.000 description 2
- 239000011257 shell material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- -1 alcohol ketone Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004434 industrial solvent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN201510647969.2A CN105218315B (zh) | 2015-10-09 | 2015-10-09 | 一种使用分隔壁精馏塔结合热泵精制甲醇的方法及装置 |
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CN201510647969.2A CN105218315B (zh) | 2015-10-09 | 2015-10-09 | 一种使用分隔壁精馏塔结合热泵精制甲醇的方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN105218315A CN105218315A (zh) | 2016-01-06 |
CN105218315B true CN105218315B (zh) | 2017-06-13 |
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CN201510647969.2A Active CN105218315B (zh) | 2015-10-09 | 2015-10-09 | 一种使用分隔壁精馏塔结合热泵精制甲醇的方法及装置 |
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CN (1) | CN105218315B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105749573A (zh) * | 2016-03-14 | 2016-07-13 | 江苏乐科节能科技股份有限公司 | 热泵精馏系统与方法及在乙醇回收中的应用 |
CN105664517A (zh) * | 2016-03-14 | 2016-06-15 | 江苏乐科节能科技股份有限公司 | 汽轮机压缩机联合热泵精馏系统及方法 |
CN106554253B (zh) * | 2016-11-08 | 2019-06-18 | 西南化工研究设计院有限公司 | 一种醋酸酯加氢制乙醇的产品分离节能工艺 |
CN108525338A (zh) * | 2017-03-03 | 2018-09-14 | 江西中医药大学 | 酒精回收精馏设备及酒精回收精馏方法 |
CN107265539A (zh) * | 2017-07-17 | 2017-10-20 | 常州大学 | 一种高含盐甲醇废水的处理方法 |
CN107551586B (zh) * | 2017-09-04 | 2020-07-28 | 北京泽华化学工程有限公司 | 一种利用隔壁塔组合多效精馏生产甲醇的装置 |
CN109847394B (zh) * | 2019-03-28 | 2021-08-10 | 湖北三宁化工股份有限公司 | 一种乙二醇精馏装置工艺余热回收利用的系统及方法 |
CN111995499A (zh) * | 2020-08-26 | 2020-11-27 | 吴嘉 | 一种甲醇热泵精馏方法及装置 |
CN112827207A (zh) * | 2021-02-25 | 2021-05-25 | 浙江宸轩透平机制造有限公司 | 一种机械式化工介质蒸汽再压缩精馏装置及方法 |
CN113121314B (zh) * | 2021-05-17 | 2023-11-24 | 吴嘉 | 使用分隔壁精馏塔结合热泵技术回收叔丁醇的装置及方法 |
KR20240021931A (ko) | 2021-06-16 | 2024-02-19 | 에보닉 오퍼레이션스 게엠베하 | 반응탑에서 알칼리 금속 메톡사이드 생산 시 메탄올/물 혼합물의 후처리 방법 |
WO2024083336A1 (de) | 2022-10-20 | 2024-04-25 | Evonik Operations Gmbh | Verbessertes verfahren zur herstellung von alkalimetallmethanolaten |
WO2024114899A1 (de) | 2022-11-30 | 2024-06-06 | Evonik Operations Gmbh | Verbessertes verfahren zur herstellung von alkalimetallmethanolaten |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101012150A (zh) * | 2007-02-07 | 2007-08-08 | 浙江大学 | 一种具有热集成的合成甲醇精制方法 |
CN102190559A (zh) * | 2011-03-25 | 2011-09-21 | 浙江大学 | 一种使用分隔壁精馏塔精制甲醇的方法及装置 |
Family Cites Families (1)
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KR101530102B1 (ko) * | 2010-12-29 | 2015-06-18 | 주식회사 엘지화학 | 네오펜틸글리콜 정제를 위한 분리벽형 증류탑 및 이를 이용한 정제방법 |
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2015
- 2015-10-09 CN CN201510647969.2A patent/CN105218315B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101012150A (zh) * | 2007-02-07 | 2007-08-08 | 浙江大学 | 一种具有热集成的合成甲醇精制方法 |
CN102190559A (zh) * | 2011-03-25 | 2011-09-21 | 浙江大学 | 一种使用分隔壁精馏塔精制甲醇的方法及装置 |
Non-Patent Citations (1)
Title |
---|
甲醇热泵精馏新工艺;叶鑫等;《化工进展》;20101231;第29卷;图2及第76页3.4 * |
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Effective date of registration: 20180411 Address after: Hangzhou City, Zhejiang province Xihu District 310013 Ancient Jade Road No. 149 Fangyuan Building Room 305 Patentee after: Zheda-Heli Science and Technology Co., Ltd., Hangzhou Address before: 310027 Zhejiang, Zhejiang Province, Xihu District Road, No. 38, Zhejiang University, Yuquan campus, room, room 3002, Patentee before: Wu Jia |
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Address after: 310013 Room 305, Fangyuan mansion, 149 Yu Gu Road, Xihu District, Hangzhou, Zhejiang. Patentee after: Gelingjia (Hangzhou) Technology Development Co.,Ltd. Address before: 310013 Room 305, Fangyuan mansion, 149 Yu Gu Road, Xihu District, Hangzhou, Zhejiang. Patentee before: Z JU HOLLY TECHNOLOGY Co.,Ltd. |
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