MD160Z - Process for foodstuff drying - Google Patents
Process for foodstuff drying Download PDFInfo
- Publication number
- MD160Z MD160Z MDS20090127A MDS20090127A MD160Z MD 160 Z MD160 Z MD 160Z MD S20090127 A MDS20090127 A MD S20090127A MD S20090127 A MDS20090127 A MD S20090127A MD 160 Z MD160 Z MD 160Z
- Authority
- MD
- Moldova
- Prior art keywords
- period
- foodstuff
- passive
- pulses
- duration
- Prior art date
Links
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the food industry, namely to a process for foodstuff drying into an electromagnetic field by microwave pulses.The process, according to the invention, includes treatment of foodstuffs into an electromagnetic field, using an active period with microwave pulses for heating and a passive period without phase transitions, with removal of humidity from the foodstuff surface, the treatment being carried out by period alternation, up to the attainment of the required humidity in the foodstuff, and the period duration is calculated using the formula (1) for the active period of pulses and (2) for the passive period:(1)(2)where:τA - duration of the active period of pulses, s;α - heat diffusion coefficient, m2/s;c - specific heat capacity, J/kg·K;ρ - foodstuff density, kg/m3;d - thickness of the foodstuff layer, m;TS - temperature of the foodstuff surface, K;TM - temperature of the environment, K;λ - thermal conductivity coefficient, W/m·K;Qv - intensity of released heat, W/m3;τp - duration of the passive period, s;αp - water molar diffusion coefficient, m2/s.The result consists in reducing the electric power consumption by the creation of a maximum temperature gradient in the active heating period and removing the humidity without phase transitions in the passive period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDS20090127A MD160Z (en) | 2009-07-06 | 2009-07-06 | Process for foodstuff drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDS20090127A MD160Z (en) | 2009-07-06 | 2009-07-06 | Process for foodstuff drying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD160Y MD160Y (en) | 2010-03-31 |
| MD160Z true MD160Z (en) | 2010-10-31 |
Family
ID=43568932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDS20090127A MD160Z (en) | 2009-07-06 | 2009-07-06 | Process for foodstuff drying |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD160Z (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ2013439A3 (en) * | 2013-06-11 | 2014-05-21 | Ústav Chemických Procesů Akademie Věd České Republiky | Method of drying surfactants |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2007089C1 (en) * | 1991-05-27 | 1994-02-15 | Азербайджанский научно-исследовательский институт механизации и электрификации сельского хозяйства | Method of drying grapes |
| RU2171079C2 (en) * | 1999-04-05 | 2001-07-27 | Фролов Виктор Алексеевич | Drying method (versions) |
| RU2192135C2 (en) * | 2000-01-18 | 2002-11-10 | Кемеровский технологический институт пищевой промышленности | Method of producing powder from sea buckthorn pulp |
| MD2115C2 (en) * | 2001-11-16 | 2003-09-30 | Андрей ЛУПАШКО | Nut drying process |
| MD2656C2 (en) * | 2003-12-05 | 2005-09-30 | Галина ДИКУСАР | Process for cherries drying |
-
2009
- 2009-07-06 MD MDS20090127A patent/MD160Z/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2007089C1 (en) * | 1991-05-27 | 1994-02-15 | Азербайджанский научно-исследовательский институт механизации и электрификации сельского хозяйства | Method of drying grapes |
| RU2171079C2 (en) * | 1999-04-05 | 2001-07-27 | Фролов Виктор Алексеевич | Drying method (versions) |
| RU2192135C2 (en) * | 2000-01-18 | 2002-11-10 | Кемеровский технологический институт пищевой промышленности | Method of producing powder from sea buckthorn pulp |
| MD2115C2 (en) * | 2001-11-16 | 2003-09-30 | Андрей ЛУПАШКО | Nut drying process |
| MD2656C2 (en) * | 2003-12-05 | 2005-09-30 | Галина ДИКУСАР | Process for cherries drying |
Also Published As
| Publication number | Publication date |
|---|---|
| MD160Y (en) | 2010-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KA4Y | Short-term patent lapsed due to non-payment of fees (with right of restoration) |