CN102381949B - Low-conversion-rate high-yield formaldehyde production technology and device thereof - Google Patents
Low-conversion-rate high-yield formaldehyde production technology and device thereof Download PDFInfo
- Publication number
- CN102381949B CN102381949B CN 201110256397 CN201110256397A CN102381949B CN 102381949 B CN102381949 B CN 102381949B CN 201110256397 CN201110256397 CN 201110256397 CN 201110256397 A CN201110256397 A CN 201110256397A CN 102381949 B CN102381949 B CN 102381949B
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- dealcoholysis
- absorption tower
- methyl alcohol
- solution
- 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.)
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 201
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 228
- 238000010521 absorption reaction Methods 0.000 claims abstract description 62
- 239000007789 gas Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000008098 formaldehyde solution Substances 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims abstract description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 22
- 239000003570 air Substances 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 13
- 230000007306 turnover Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 238000006392 deoxygenation reaction Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 239000006200 vaporizer Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110256397 CN102381949B (en) | 2011-08-31 | 2011-08-31 | Low-conversion-rate high-yield formaldehyde production technology and device thereof |
Applications Claiming Priority (1)
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CN 201110256397 CN102381949B (en) | 2011-08-31 | 2011-08-31 | Low-conversion-rate high-yield formaldehyde production technology and device thereof |
Publications (2)
Publication Number | Publication Date |
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CN102381949A CN102381949A (en) | 2012-03-21 |
CN102381949B true CN102381949B (en) | 2013-12-18 |
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CN 201110256397 Active CN102381949B (en) | 2011-08-31 | 2011-08-31 | Low-conversion-rate high-yield formaldehyde production technology and device thereof |
Country Status (1)
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CN (1) | CN102381949B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107056593A (en) * | 2017-02-17 | 2017-08-18 | 唐山中浩化工有限公司 | A kind of production method and system of ultra-large formaldehyde |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1473811A (en) * | 2003-08-05 | 2004-02-11 | 洪海玲 | Method for producing low alcohol, high concentration formaldehyde |
CN101508633A (en) * | 2009-03-24 | 2009-08-19 | 江苏恒茂机械制造有限公司 | Process and apparatus for preparing methanal with low transformational cycle method |
CN101550073A (en) * | 2009-05-12 | 2009-10-07 | 范轩羽 | Equipment for producing high concentration dealcoholization formaldehyde and production technology thereof |
CN202246481U (en) * | 2011-08-31 | 2012-05-30 | 江苏恒茂机械制造有限公司 | Formaldehyde production device with low conversion rate and high yield |
-
2011
- 2011-08-31 CN CN 201110256397 patent/CN102381949B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1473811A (en) * | 2003-08-05 | 2004-02-11 | 洪海玲 | Method for producing low alcohol, high concentration formaldehyde |
CN101508633A (en) * | 2009-03-24 | 2009-08-19 | 江苏恒茂机械制造有限公司 | Process and apparatus for preparing methanal with low transformational cycle method |
CN101550073A (en) * | 2009-05-12 | 2009-10-07 | 范轩羽 | Equipment for producing high concentration dealcoholization formaldehyde and production technology thereof |
CN202246481U (en) * | 2011-08-31 | 2012-05-30 | 江苏恒茂机械制造有限公司 | Formaldehyde production device with low conversion rate and high yield |
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CN102381949A (en) | 2012-03-21 |
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Denomination of invention: Low-conversion-rate high-yield formaldehyde production technology and device thereof Effective date of registration: 20141028 Granted publication date: 20131218 Pledgee: Jiangsu Wujin credit re Company limited by guarantee Pledgor: Jiangsu Kaimao Chemical Technology Co., Ltd. Registration number: 2014990000897 |
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Denomination of invention: Low-conversion-rate high-yield formaldehyde production technology and device thereof Effective date of registration: 20151126 Granted publication date: 20131218 Pledgee: Jiangsu Wujin credit re Company limited by guarantee Pledgor: Jiangsu Kaimao Chemical Technology Co., Ltd. Registration number: 2015990001050 |
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