CN105091548A - 用于干燥三聚氰胺晶体的增强型工艺以及相关装置 - Google Patents
用于干燥三聚氰胺晶体的增强型工艺以及相关装置 Download PDFInfo
- Publication number
- CN105091548A CN105091548A CN201510262485.6A CN201510262485A CN105091548A CN 105091548 A CN105091548 A CN 105091548A CN 201510262485 A CN201510262485 A CN 201510262485A CN 105091548 A CN105091548 A CN 105091548A
- Authority
- CN
- China
- Prior art keywords
- air
- drier
- melamine
- drying
- fed
- 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.)
- Granted
Links
- 238000001035 drying Methods 0.000 title claims abstract description 68
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 57
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000005516 engineering process Methods 0.000 title abstract description 13
- 230000003014 reinforcing effect Effects 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 66
- 229910021529 ammonia Inorganic materials 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 19
- 239000013078 crystal Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012047 saturated solution Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 description 79
- 230000035611 feeding Effects 0.000 description 20
- 239000007787 solid Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 241001550224 Apha Species 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- YOWAEZWWQFSEJD-UHFFFAOYSA-N quinoxalin-2-amine Chemical class C1=CC=CC2=NC(N)=CN=C21 YOWAEZWWQFSEJD-UHFFFAOYSA-N 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical group NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- -1 guanamines Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- WNVQBUHCOYRLPA-UHFFFAOYSA-N triuret Chemical group NC(=O)NC(=O)NC(N)=O WNVQBUHCOYRLPA-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/62—Purification of melamine
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20140928 | 2014-05-21 | ||
ITMI2014A000928 | 2014-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105091548A true CN105091548A (zh) | 2015-11-25 |
CN105091548B CN105091548B (zh) | 2020-02-21 |
Family
ID=51220698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510262485.6A Active CN105091548B (zh) | 2014-05-21 | 2015-05-21 | 用于干燥三聚氰胺晶体的增强型工艺以及相关装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105091548B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001098281A1 (de) * | 2000-06-21 | 2001-12-27 | Faramarz Bairamijamal | Verfahren zur herstellung von hoch reinem melamin nach trockener aufbereitung |
CN101096361A (zh) * | 2006-06-30 | 2008-01-02 | 山东联合化工股份有限公司 | 三聚氰胺烘干工艺 |
CN101410383A (zh) * | 2006-01-30 | 2009-04-15 | 涡龙设备与工艺公司 | 一种干燥三聚氰胺的方法 |
CN101831314A (zh) * | 2009-03-12 | 2010-09-15 | 兰州瑞德干燥技术有限公司 | 一种焦炉炼焦煤调湿、干燥方法及该方法所使用的设备 |
GB2485229A (en) * | 2010-11-08 | 2012-05-09 | Ian Brian Lewis | Apparatus for drying particulate materials |
CN103421527A (zh) * | 2012-05-25 | 2013-12-04 | 天华化工机械及自动化研究设计院有限公司 | 蒸汽管干燥、分选、造粒一体化煤调湿工艺及其专用设备 |
CN103471369A (zh) * | 2013-09-05 | 2013-12-25 | 山东天力干燥股份有限公司 | 一种用过热蒸汽携湿的蒸汽回转干燥工艺及褐煤干燥方法 |
-
2015
- 2015-05-21 CN CN201510262485.6A patent/CN105091548B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001098281A1 (de) * | 2000-06-21 | 2001-12-27 | Faramarz Bairamijamal | Verfahren zur herstellung von hoch reinem melamin nach trockener aufbereitung |
CN101410383A (zh) * | 2006-01-30 | 2009-04-15 | 涡龙设备与工艺公司 | 一种干燥三聚氰胺的方法 |
CN101096361A (zh) * | 2006-06-30 | 2008-01-02 | 山东联合化工股份有限公司 | 三聚氰胺烘干工艺 |
CN101831314A (zh) * | 2009-03-12 | 2010-09-15 | 兰州瑞德干燥技术有限公司 | 一种焦炉炼焦煤调湿、干燥方法及该方法所使用的设备 |
GB2485229A (en) * | 2010-11-08 | 2012-05-09 | Ian Brian Lewis | Apparatus for drying particulate materials |
CN103421527A (zh) * | 2012-05-25 | 2013-12-04 | 天华化工机械及自动化研究设计院有限公司 | 蒸汽管干燥、分选、造粒一体化煤调湿工艺及其专用设备 |
CN103471369A (zh) * | 2013-09-05 | 2013-12-25 | 山东天力干燥股份有限公司 | 一种用过热蒸汽携湿的蒸汽回转干燥工艺及褐煤干燥方法 |
Also Published As
Publication number | Publication date |
---|---|
CN105091548B (zh) | 2020-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: Swiss Wollerau Patentee after: Ouji melamine Co.,Ltd. Address before: Itgen, Switzerland Patentee before: EUROTECNICA MELAMINE |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240218 Address after: Schwyz Switzerland Patentee after: Proman Ltd. Country or region after: Switzerland Address before: Swiss Wollerau Patentee before: Ouji melamine Co.,Ltd. Country or region before: Switzerland |