IL23300A - Melting device and process for melting urea - Google Patents
Melting device and process for melting ureaInfo
- Publication number
- IL23300A IL23300A IL23300A IL2330065A IL23300A IL 23300 A IL23300 A IL 23300A IL 23300 A IL23300 A IL 23300A IL 2330065 A IL2330065 A IL 2330065A IL 23300 A IL23300 A IL 23300A
- Authority
- IL
- Israel
- Prior art keywords
- urea
- vessel
- vortex
- outlet
- melting
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 56
- 239000004202 carbamide Substances 0.000 title claims description 56
- 238000002844 melting Methods 0.000 title claims description 15
- 230000008018 melting Effects 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 13
- 239000007787 solid Substances 0.000 claims description 27
- 239000000725 suspension Substances 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011344 liquid material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 description 21
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 10
- 239000013078 crystal Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 238000010309 melting process Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Coating Apparatus (AREA)
- Exhaust Gas After Treatment (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL646403782A NL139244B (nl) | 1964-04-09 | 1964-04-09 | Inrichting voor het smelten van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL23300A true IL23300A (en) | 1968-07-25 |
Family
ID=19789761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL23300A IL23300A (en) | 1964-04-09 | 1965-04-06 | Melting device and process for melting urea |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3332413A (de) |
| AT (1) | AT256122B (de) |
| BE (1) | BE662215A (de) |
| CH (1) | CH476511A (de) |
| DE (1) | DE1493209C3 (de) |
| DK (1) | DK135802B (de) |
| ES (1) | ES311576A1 (de) |
| FI (1) | FI44371B (de) |
| GB (1) | GB1096577A (de) |
| IL (1) | IL23300A (de) |
| NL (1) | NL139244B (de) |
| NO (1) | NO118218B (de) |
| SE (1) | SE317056B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO138663C (no) * | 1977-01-27 | 1978-10-18 | Mosal Alu Elkem Spigerverk | Anordning for smelting av bek. |
| CN110452186B (zh) * | 2019-09-04 | 2021-02-02 | 四川金象赛瑞化工股份有限公司 | 固体尿素的加料方法与加料设备以及三聚氰胺的生产方法与生产装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1213772B (de) * | 1959-06-25 | 1966-03-31 | Roman Rummel Dipl Ing | Verfahren zur kontinuierlichen Herstellung silikatischer Baustoffe |
-
1964
- 1964-04-09 NL NL646403782A patent/NL139244B/xx not_active IP Right Cessation
-
1965
- 1965-04-05 GB GB14348/65A patent/GB1096577A/en not_active Expired
- 1965-04-05 US US445678A patent/US3332413A/en not_active Expired - Lifetime
- 1965-04-06 IL IL23300A patent/IL23300A/en unknown
- 1965-04-07 AT AT318665A patent/AT256122B/de active
- 1965-04-07 CH CH482765A patent/CH476511A/de not_active IP Right Cessation
- 1965-04-07 FI FI0847/65A patent/FI44371B/fi active
- 1965-04-07 NO NO157582A patent/NO118218B/no unknown
- 1965-04-07 BE BE662215D patent/BE662215A/xx unknown
- 1965-04-08 DE DE1493209A patent/DE1493209C3/de not_active Expired
- 1965-04-08 SE SE4592/65A patent/SE317056B/xx unknown
- 1965-04-08 ES ES0311576A patent/ES311576A1/es not_active Expired
- 1965-04-09 DK DK181665AA patent/DK135802B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH476511A (de) | 1969-08-15 |
| GB1096577A (en) | 1967-12-29 |
| BE662215A (de) | 1965-10-07 |
| AT256122B (de) | 1967-08-10 |
| SE317056B (de) | 1969-11-10 |
| DE1493209B2 (de) | 1973-04-19 |
| DK135802B (da) | 1977-06-27 |
| DK135802C (de) | 1977-11-28 |
| NL6403782A (de) | 1965-10-11 |
| NO118218B (de) | 1969-12-01 |
| DE1493209A1 (de) | 1969-02-20 |
| DE1493209C3 (de) | 1973-12-13 |
| FI44371B (de) | 1971-08-02 |
| NL139244B (nl) | 1973-07-16 |
| US3332413A (en) | 1967-07-25 |
| ES311576A1 (es) | 1966-01-01 |
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