Drying process for silkworm cocoons - comprises repeated heating and cooling cycles in air with varying moisture contents
A drying process for silkworm cocoons comprises a series of heating and cooling cycles in which the cocoons are first exposed to a heating medium at a temp. of 90-140 deg. C and having a moisture content of 100-150 g/kg dry air, then cooled by a medium having a temp. of 10-35 deg. C and a moisture c...
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| creator | OLEG ALEXANDROVICH KREMNEV, VLADIMIR RUDOLFOVICH BOROVSKY ET LEONID NIKOLAEVICH GRABOV |
| description | A drying process for silkworm cocoons comprises a series of heating and cooling cycles in which the cocoons are first exposed to a heating medium at a temp. of 90-140 deg. C and having a moisture content of 100-150 g/kg dry air, then cooled by a medium having a temp. of 10-35 deg. C and a moisture content of 15-30 g/kg dry air. Each cycle lasts between 10 and 30 mins., the ratio of heating time to cooling time varying between 4/1 and 1/1, and the total number of cycles varies from 6 to 24. The process increases the speed of the drying process without impairing the quality of the silk and increases the yield of high-quality silk from the dried cocoons.
La présente invention se rapporte à la technologie du traitement préalable des cocons de ver à soie Suivant l'invention le processus de séchage s'effectue en plusieurs cycles dont chacun comprend un chaffage des cocons suivi de leur refroidissement, les deux opérations étant réalisées à l'aide d'un porteur de chaleur, la teneur en humidité du porteur de chaleur refroidi allant de 15 à 30 grammes par kilogramme d'air sec, la durée de chaque cycle étant de 10 à 30 minutes et le rapport entre le temps de chauffage et celui de refroidissement variant de 4/1 à 1/1. Application à l'industrie de la soie, à la production de la soie grège. |
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La présente invention se rapporte à la technologie du traitement préalable des cocons de ver à soie Suivant l'invention le processus de séchage s'effectue en plusieurs cycles dont chacun comprend un chaffage des cocons suivi de leur refroidissement, les deux opérations étant réalisées à l'aide d'un porteur de chaleur, la teneur en humidité du porteur de chaleur refroidi allant de 15 à 30 grammes par kilogramme d'air sec, la durée de chaque cycle étant de 10 à 30 minutes et le rapport entre le temps de chauffage et celui de refroidissement variant de 4/1 à 1/1. Application à l'industrie de la soie, à la production de la soie grège.</description><language>eng ; fre</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; CARE OF BIRDS, FISHES, INSECTS ; FISHING ; FORESTRY ; HUMAN NECESSITIES ; HUNTING ; MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARYMATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; NEW BREEDS OF ANIMALS ; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR ; SPINNING ; TEXTILES ; TRAPPING</subject><creationdate>1981</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19810508&DB=EPODOC&CC=FR&NR=2468664A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19810508&DB=EPODOC&CC=FR&NR=2468664A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OLEG ALEXANDROVICH KREMNEV, VLADIMIR RUDOLFOVICH BOROVSKY ET LEONID NIKOLAEVICH GRABOV</creatorcontrib><title>Drying process for silkworm cocoons - comprises repeated heating and cooling cycles in air with varying moisture contents</title><description>A drying process for silkworm cocoons comprises a series of heating and cooling cycles in which the cocoons are first exposed to a heating medium at a temp. of 90-140 deg. C and having a moisture content of 100-150 g/kg dry air, then cooled by a medium having a temp. of 10-35 deg. C and a moisture content of 15-30 g/kg dry air. Each cycle lasts between 10 and 30 mins., the ratio of heating time to cooling time varying between 4/1 and 1/1, and the total number of cycles varies from 6 to 24. The process increases the speed of the drying process without impairing the quality of the silk and increases the yield of high-quality silk from the dried cocoons.
La présente invention se rapporte à la technologie du traitement préalable des cocons de ver à soie Suivant l'invention le processus de séchage s'effectue en plusieurs cycles dont chacun comprend un chaffage des cocons suivi de leur refroidissement, les deux opérations étant réalisées à l'aide d'un porteur de chaleur, la teneur en humidité du porteur de chaleur refroidi allant de 15 à 30 grammes par kilogramme d'air sec, la durée de chaque cycle étant de 10 à 30 minutes et le rapport entre le temps de chauffage et celui de refroidissement variant de 4/1 à 1/1. Application à l'industrie de la soie, à la production de la soie grège.</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>CARE OF BIRDS, FISHES, INSECTS</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARYMATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING</subject><subject>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>NEW BREEDS OF ANIMALS</subject><subject>REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR</subject><subject>SPINNING</subject><subject>TEXTILES</subject><subject>TRAPPING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1981</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjUEKwjAQRbtxIeod5gJdqKW4FbW4FvclpFMbTGfCTLTk9qboAVz9B_99_rJIZ0mOHhCELapCzwLq_HNiGcGyZSaFMtMYxCkqCAY0ETsYcsxLQ12u2c9sk_XZcQTGCUwuDvA234ORncaXYHYpIkVdF4veeMXNL1cFNJf76Vpi4BY1GIuEsW1uu6o-1HV13O7_UD65Q0bX</recordid><startdate>19810508</startdate><enddate>19810508</enddate><creator>OLEG ALEXANDROVICH KREMNEV, VLADIMIR RUDOLFOVICH BOROVSKY ET LEONID NIKOLAEVICH GRABOV</creator><scope>EVB</scope></search><sort><creationdate>19810508</creationdate><title>Drying process for silkworm cocoons - comprises repeated heating and cooling cycles in air with varying moisture contents</title><author>OLEG ALEXANDROVICH KREMNEV, VLADIMIR RUDOLFOVICH BOROVSKY ET LEONID NIKOLAEVICH GRABOV</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2468664A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1981</creationdate><topic>AGRICULTURE</topic><topic>ANIMAL HUSBANDRY</topic><topic>CARE OF BIRDS, FISHES, INSECTS</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARYMATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING</topic><topic>NATURAL OR ARTIFICIAL THREADS OR FIBRES</topic><topic>NEW BREEDS OF ANIMALS</topic><topic>REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR</topic><topic>SPINNING</topic><topic>TEXTILES</topic><topic>TRAPPING</topic><toplevel>online_resources</toplevel><creatorcontrib>OLEG ALEXANDROVICH KREMNEV, VLADIMIR RUDOLFOVICH BOROVSKY ET LEONID NIKOLAEVICH GRABOV</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OLEG ALEXANDROVICH KREMNEV, VLADIMIR RUDOLFOVICH BOROVSKY ET LEONID NIKOLAEVICH GRABOV</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drying process for silkworm cocoons - comprises repeated heating and cooling cycles in air with varying moisture contents</title><date>1981-05-08</date><risdate>1981</risdate><abstract>A drying process for silkworm cocoons comprises a series of heating and cooling cycles in which the cocoons are first exposed to a heating medium at a temp. of 90-140 deg. C and having a moisture content of 100-150 g/kg dry air, then cooled by a medium having a temp. of 10-35 deg. C and a moisture content of 15-30 g/kg dry air. Each cycle lasts between 10 and 30 mins., the ratio of heating time to cooling time varying between 4/1 and 1/1, and the total number of cycles varies from 6 to 24. The process increases the speed of the drying process without impairing the quality of the silk and increases the yield of high-quality silk from the dried cocoons.
La présente invention se rapporte à la technologie du traitement préalable des cocons de ver à soie Suivant l'invention le processus de séchage s'effectue en plusieurs cycles dont chacun comprend un chaffage des cocons suivi de leur refroidissement, les deux opérations étant réalisées à l'aide d'un porteur de chaleur, la teneur en humidité du porteur de chaleur refroidi allant de 15 à 30 grammes par kilogramme d'air sec, la durée de chaque cycle étant de 10 à 30 minutes et le rapport entre le temps de chauffage et celui de refroidissement variant de 4/1 à 1/1. Application à l'industrie de la soie, à la production de la soie grège.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | AGRICULTURE ANIMAL HUSBANDRY CARE OF BIRDS, FISHES, INSECTS FISHING FORESTRY HUMAN NECESSITIES HUNTING MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARYMATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING NATURAL OR ARTIFICIAL THREADS OR FIBRES NEW BREEDS OF ANIMALS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR SPINNING TEXTILES TRAPPING |
| title | Drying process for silkworm cocoons - comprises repeated heating and cooling cycles in air with varying moisture contents |
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