LOW TEMPERATURE DISTILLATION COLUMN
PROBLEM TO BE SOLVED: To enhance heat insulation of a low temperature distillation column through a simple structure by suspending the distillation column from a bracket provided on an outer column through a heat insulating member using a holder disposed above. SOLUTION: Air gaps are defined as heat...
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| creator | SAKAI SHINJI TANAKA MASASHI SETO MINORU KONDO TORU TSUI NOBUHIKO |
| description | PROBLEM TO BE SOLVED: To enhance heat insulation of a low temperature distillation column through a simple structure by suspending the distillation column from a bracket provided on an outer column through a heat insulating member using a holder disposed above. SOLUTION: Air gaps are defined as heat insulating chambers 1a-1c between an outer column 1 and a condenser 3 and between a distillation column 2 and a reboiler 4. These heat insulating chambers 1a-1c are sustained in vacuum state and filled with pearlite between the outer column 1 and the condenser 3. The heat insulating chamber 1c is filled with glass wool between the outer column 1 and the reboiler 4. When a low temperature distillation column is operated, the distillation column 2 is contracted thermally and the reboiler 4 moves upward. Consequently, the density of glass wool filling the heat insulating chamber 1c is varied slightly, but since a barrier wall member 8 prevents pearlite filling the heat insulating chamber 1b from flowing into the heat insulating chamber 1c, heat insulating performance of the heat insulating chambers 1a, 1b is ensured. |
| format | Patent |
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SOLUTION: Air gaps are defined as heat insulating chambers 1a-1c between an outer column 1 and a condenser 3 and between a distillation column 2 and a reboiler 4. These heat insulating chambers 1a-1c are sustained in vacuum state and filled with pearlite between the outer column 1 and the condenser 3. The heat insulating chamber 1c is filled with glass wool between the outer column 1 and the reboiler 4. When a low temperature distillation column is operated, the distillation column 2 is contracted thermally and the reboiler 4 moves upward. 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SOLUTION: Air gaps are defined as heat insulating chambers 1a-1c between an outer column 1 and a condenser 3 and between a distillation column 2 and a reboiler 4. These heat insulating chambers 1a-1c are sustained in vacuum state and filled with pearlite between the outer column 1 and the condenser 3. The heat insulating chamber 1c is filled with glass wool between the outer column 1 and the reboiler 4. When a low temperature distillation column is operated, the distillation column 2 is contracted thermally and the reboiler 4 moves upward. Consequently, the density of glass wool filling the heat insulating chamber 1c is varied slightly, but since a barrier wall member 8 prevents pearlite filling the heat insulating chamber 1b from flowing into the heat insulating chamber 1c, heat insulating performance of the heat insulating chambers 1a, 1b is ensured.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2000274937A |
| source | esp@cenet |
| subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRIGERATION OR COOLING SEPARATION TRANSPORTING WEAPONS |
| title | LOW TEMPERATURE DISTILLATION COLUMN |
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