CN104829438B - 一种甲醛生产方法及装置 - Google Patents
一种甲醛生产方法及装置 Download PDFInfo
- Publication number
- CN104829438B CN104829438B CN201510152658.9A CN201510152658A CN104829438B CN 104829438 B CN104829438 B CN 104829438B CN 201510152658 A CN201510152658 A CN 201510152658A CN 104829438 B CN104829438 B CN 104829438B
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- section
- methanol
- vaporizer
- air
- 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.)
- Expired - Fee Related
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 216
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 139
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 45
- 239000006200 vaporizer Substances 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000002918 waste heat Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 22
- 238000001704 evaporation Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000008020 evaporation Effects 0.000 claims abstract description 20
- 239000008246 gaseous mixture Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- 239000006096 absorbing agent Substances 0.000 claims description 54
- 239000000945 filler Substances 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- MGJURKDLIJVDEO-UHFFFAOYSA-N formaldehyde;hydrate Chemical compound O.O=C MGJURKDLIJVDEO-UHFFFAOYSA-N 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- REHUGJYJIZPQAV-UHFFFAOYSA-N formaldehyde;methanol Chemical compound OC.O=C REHUGJYJIZPQAV-UHFFFAOYSA-N 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
- C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510152658.9A CN104829438B (zh) | 2015-04-01 | 2015-04-01 | 一种甲醛生产方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510152658.9A CN104829438B (zh) | 2015-04-01 | 2015-04-01 | 一种甲醛生产方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104829438A CN104829438A (zh) | 2015-08-12 |
CN104829438B true CN104829438B (zh) | 2016-08-24 |
Family
ID=53807686
Family Applications (1)
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CN201510152658.9A Expired - Fee Related CN104829438B (zh) | 2015-04-01 | 2015-04-01 | 一种甲醛生产方法及装置 |
Country Status (1)
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CN (1) | CN104829438B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107501060B (zh) * | 2017-08-24 | 2020-12-11 | 开封龙宇化工有限公司 | 一种浓甲醛生产工艺 |
CN107473300A (zh) * | 2017-10-10 | 2017-12-15 | 昆山明宽环保节能科技有限公司 | 一种高浓度原切削液蒸发浓缩设备及其浓缩方法 |
CN109180445A (zh) * | 2018-09-27 | 2019-01-11 | 湖北三里枫香科技有限公司 | 一种甲醛生产工艺装置和方法 |
CN112457177A (zh) * | 2020-11-09 | 2021-03-09 | 潍坊惠丰化工有限公司 | 一种甲醛生产节能装置及生产工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60101401A (ja) * | 1983-11-07 | 1985-06-05 | 三菱瓦斯化学株式会社 | ホルムアルデヒド生成ガスの廃熱回収法 |
CN201713454U (zh) * | 2010-02-04 | 2011-01-19 | 江苏恒茂机械制造有限公司 | 甲醛制备装置 |
CN102320942B (zh) * | 2011-06-14 | 2014-04-16 | 田宝峰 | 甲醛生产工艺及装置 |
CN102584549B (zh) * | 2011-12-31 | 2014-04-16 | 田宝峰 | 一种甲醛生产原料气的制备工艺及蒸发器 |
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2015
- 2015-04-01 CN CN201510152658.9A patent/CN104829438B/zh not_active Expired - Fee Related
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CN104829438A (zh) | 2015-08-12 |
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EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Tian Baofeng Inventor after: Hong Hailing Inventor after: Wang Jun Inventor after: Hong Haiyan Inventor after: Yan Long Inventor after: Du Jia Inventor after: Tian Jiahao Inventor after: Wang Yuqiao Inventor before: Tian Baofeng Inventor before: Hong Hailing Inventor before: Wang Jun Inventor before: Hong Haiyan |
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COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |
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CF01 | Termination of patent right due to non-payment of annual fee |