CN104276871B - 一种脲甲醛缓释肥的制备方法 - Google Patents
一种脲甲醛缓释肥的制备方法 Download PDFInfo
- Publication number
- CN104276871B CN104276871B CN201410570901.4A CN201410570901A CN104276871B CN 104276871 B CN104276871 B CN 104276871B CN 201410570901 A CN201410570901 A CN 201410570901A CN 104276871 B CN104276871 B CN 104276871B
- Authority
- CN
- China
- Prior art keywords
- ureaformaldehyde
- urea
- formaldehyde
- preparation
- release fertilizer
- 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.)
- Active
Links
- 229920001807 Urea-formaldehyde Polymers 0.000 title claims abstract description 81
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000003337 fertilizer Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 35
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004202 carbamide Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004021 humic acid Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000012043 crude product Substances 0.000 claims description 19
- 239000000376 reactant Substances 0.000 claims description 18
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 13
- 238000006116 polymerization reaction Methods 0.000 claims description 9
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 3
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000012065 filter cake Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000003895 organic fertilizer Substances 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 abstract 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 abstract 1
- 235000019837 monoammonium phosphate Nutrition 0.000 abstract 1
- 239000006012 monoammonium phosphate Substances 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- -1 urea potassium aldehyde Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410570901.4A CN104276871B (zh) | 2014-10-23 | 2014-10-23 | 一种脲甲醛缓释肥的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410570901.4A CN104276871B (zh) | 2014-10-23 | 2014-10-23 | 一种脲甲醛缓释肥的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104276871A CN104276871A (zh) | 2015-01-14 |
CN104276871B true CN104276871B (zh) | 2017-01-25 |
Family
ID=52252280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410570901.4A Active CN104276871B (zh) | 2014-10-23 | 2014-10-23 | 一种脲甲醛缓释肥的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104276871B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104744082A (zh) * | 2015-03-17 | 2015-07-01 | 安徽中农化工国际贸易有限公司 | 脲醛粉体制备方法 |
CN105601381A (zh) * | 2015-12-24 | 2016-05-25 | 稼禾生物股份有限公司 | 一种以黑液为原料的缓释营养肥料及其制备方法 |
CN105503277A (zh) * | 2015-12-24 | 2016-04-20 | 贵州省化工研究院 | 一种脲甲醛缓释肥料及其生产方法 |
CN105503278B (zh) * | 2015-12-24 | 2019-03-26 | 贵州省化工研究院 | 一种脲甲醛缓释肥及其制备方法 |
CN105503279A (zh) * | 2015-12-24 | 2016-04-20 | 贵州省化工研究院 | 一种脲甲醛缓释肥及其制备方法 |
CN105418169A (zh) * | 2015-12-24 | 2016-03-23 | 贵州省化工研究院 | 一种脲甲醛缓释肥的制作工艺 |
CN107056339B (zh) * | 2016-12-26 | 2021-02-12 | 中化农业(临沂)研发中心有限公司 | 一种低温浓溶液法直接造粒生产脲甲醛缓释复合肥的方法 |
CN107567927A (zh) * | 2017-09-29 | 2018-01-12 | 颍上庆丰农牧发展有限公司 | 一种增产增质猕猴桃的种植方法 |
CN107879766A (zh) * | 2017-11-08 | 2018-04-06 | 贵州省化工研究院 | 一种脲甲醛改性方法以及改性脲甲醛及其应用 |
CN110386848A (zh) * | 2018-04-18 | 2019-10-29 | 吉林澳佳农业科技有限公司 | 一种腐植酸脲醛缓释螯合肥及制备方法和应用 |
CN108440136A (zh) * | 2018-05-25 | 2018-08-24 | 贵州省化工研究院 | 一种氮缓释型有机肥料的生产方法 |
CN109757474A (zh) * | 2019-03-05 | 2019-05-17 | 广西大学 | 一种农药缓释剂的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6254655B1 (en) * | 1999-03-18 | 2001-07-03 | Oms Investments, Inc. | Processes for preparing granular composite fertilizer compositions and products produced thereby |
CN1491924A (zh) * | 2002-10-25 | 2004-04-28 | 中国科学院沈阳应用生态研究所 | 一种腐殖酸长效复合肥及其制备方法 |
CN103011982B (zh) * | 2012-12-29 | 2014-12-31 | 金正大生态工程集团股份有限公司 | 一种脲醛缓释复合肥料的工业化生产方法和装置 |
CN103351222A (zh) * | 2013-06-25 | 2013-10-16 | 湖北华丰生物化工有限公司 | 一种脲甲醛缓控释复合肥的制备工艺 |
CN103304339B (zh) * | 2013-06-29 | 2015-01-07 | 贵州省五谷惠生态农业科技有限公司 | 一种果树专用长效复混肥的生产方法 |
-
2014
- 2014-10-23 CN CN201410570901.4A patent/CN104276871B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN104276871A (zh) | 2015-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104276871B (zh) | 一种脲甲醛缓释肥的制备方法 | |
CN103936524B (zh) | 一种脲醛缓释复合肥的生产方法 | |
CN102153424B (zh) | 一种腐植酸尿素缓释肥料的制备方法 | |
CN102584498A (zh) | 一种腐植酸尿素及其制备方法 | |
CN102153392B (zh) | 一种缓释脲甲醛复合肥的生产方法 | |
CN102898254A (zh) | 一种腐植酸增效复混肥及其制备方法 | |
CN101367682B (zh) | 一种共溶料浆管式反应器制造复合肥的方法 | |
CN105198645A (zh) | 一种柑桔专用缓释复合肥及其生产工艺 | |
CN105503276B (zh) | 一种全水溶性固体聚磷酸铵的制备方法 | |
CN102875219A (zh) | 高塔脲醛缓释复合肥及其制备方法 | |
CN105418323A (zh) | 一种腐植酸增效活性复混肥料的生产方法 | |
CN103274854A (zh) | 一种海藻增效高塔复混肥及其生产方法 | |
CN102633553A (zh) | 一种高塔磷铵复合肥的生产方法 | |
CN102826882A (zh) | 一种脲螯合控释肥及其制备方法 | |
CN101955379A (zh) | 硝态脲甲醛肥料的制备方法 | |
CN103772016A (zh) | 幼龄茶树专用有机-无机复合肥及其制备方法 | |
CN105110892B (zh) | 一种大量元素水溶肥及其制备方法 | |
CN102531805B (zh) | 旱地甘蔗专用控缓释肥 | |
CN105237066A (zh) | 一种增效脲铵氮肥及其制备方法 | |
CN104163670A (zh) | 一种生产烟草专用肥的方法 | |
CN102491807B (zh) | 生产含硼的磷酸二铵产品的方法 | |
CN105061045A (zh) | 一种硝基复合肥及其制备方法 | |
CN102267830A (zh) | 降低高塔熔体造粒复合肥中缩二脲含量的方法 | |
CN103159195A (zh) | 一种低浓度湿法磷酸制备磷酸二氢钾的方法 | |
CN106278607A (zh) | 一种含锌缓释圆颗粒钾肥的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Xiuwen County Da Shi Xiang Da Shi Cun street 550216 Guizhou province Guiyang city group Applicant after: Guizhou Provincial Inst. of Chemical Technology Applicant after: Guizhou Wuguhui Ecological Agriculture Technology Co., Ltd. Address before: 550009 No. 5 sunning dam, Guiyang City, Guizhou Province Applicant before: Guizhou Provincial Inst. of Chemical Technology Applicant before: Guizhou Wuguhui Ecological Agriculture Technology Co., Ltd. |
|
CB03 | Change of inventor or designer information |
Inventor after: Tian Juan Inventor after: Ma Fubo Inventor after: Chen Wenxing Inventor after: Zhou Changping Inventor after: Yu Jiang Inventor before: Tian Juan Inventor before: Chen Wenxing Inventor before: Yu Jiang Inventor before: Zhou Changping Inventor before: Jiang Renbo Inventor before: Yang Jie |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |