适用于在高温下易分解，聚合和变质的热敏性物料的低温干燥；被广泛地采用在制药、化工、食品、电子等行业。 It is suitable for drying heat sensitive raw materials that can decompose or polymerize or deteriorate at high temperature. It is widely used in pharmaceutical, chemical, foodstuff and electronic industries.
It is well known that vacuum drying is to put raw material under the state of vacuum for heating and drying. If use vacuum to pump air and humidity out, the dry speed will be faster. Note: if use condenser, the solvent in raw material can be recovered. If the solvent is water, condenser might be canceled and the investment and energy could be saved.
◆ 真空下物料溶液的沸点降低，使蒸发器的传热推动力增大，因此对一定的传热量可以节省蒸发器的传热面积。 ◆ 蒸发操作的热源可采用低压蒸汽或废热蒸汽。 ◆ 蒸发器热损失少。 ◆ 在干燥前可进行消毒处理，干燥过程中无任何不纯物混入，符合GMP要求。 ◆ 属于静态真空干燥器，故干燥物料的形体不会损坏。 ◆ Under the condition of vacuum, the boiling point of raw material will decrease and make the evaporation efficiency higher. Therefore for a certain amount of heat transfer, the conducting area of dryer can be saved. ◆ The heat source for evaporation may be Iow pressure steam or surplus heat steam. ◆ The heat loss is less. ◆ Before drying, the treatment of disinfection may be carried out. During the period of drying, there is no impurity material mixed. It is in conformity with the requirement of GMP. ◆ It belongs to static dryer. So the shape of raw material to be dried should not be destroyed.
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[ DB ] CONNECT:[ UseTime:0.001315s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
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[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.001142s ]
[ SQL ] SHOW COLUMNS FROM `tb_prod` [ RunTime:0.001098s ]
[ SQL ] UPDATE `tb_prod` SET `hit`=`hit`+1 WHERE `id` = 97265 [ RunTime:0.001113s ]
[ SQL ] SELECT * FROM `tb_prod` WHERE `id` = 97265 LIMIT 1 [ RunTime:0.000842s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001260s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 110 LIMIT 1 [ RunTime:0.000694s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 22 LIMIT 1 [ RunTime:0.000804s ]
[ SQL ] SHOW COLUMNS FROM `tb_area` [ RunTime:0.000989s ]
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[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.001022s ]
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[ SQL ] SELECT `id`,`title` FROM `tb_prod` WHERE `id` > 97265 AND `check_status` = 1 AND `category_id` = 110 ORDER BY `submit_date` ASC LIMIT 1 [ RunTime:0.004376s ]
[ SQL ] SELECT `id`,`title` FROM `tb_prod` WHERE `id` < 97265 AND `check_status` = 1 AND `category_id` = 110 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.009620s ]
[ SQL ] select id,title,city_id,pic,add_mode,cert_mode from tb_prod where id<>97265 and check_status=1 and ( title like '%ZDF系列方型真空干燥箱%' or tag like '%ZDF系列方型真空干燥箱%' or intro like '%ZDF系列方型真空干燥箱%' ) order by submit_date desc limit 10 [ RunTime:0.451551s ]
[ SQL ] select id,title,city_id from tb_need where check_status=1 and ( title like '%ZDF系列方型真空干燥箱%' or tag like '%ZDF系列方型真空干燥箱%' or intro like '%ZDF系列方型真空干燥箱%' ) order by submit_date desc limit 10 [ RunTime:0.004436s ]
[ SQL ] select id,title from tb_news where check_status=1 and category_id=45 and ( title like '%ZDF系列方型真空干燥箱%' or tag like '%ZDF系列方型真空干燥箱%' or intro like '%ZDF系列方型真空干燥箱%' ) order by submit_date desc limit 10 [ RunTime:0.056777s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.000955s ]
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[ SQL ] SHOW COLUMNS FROM `tb_comment` [ RunTime:0.000975s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150942 LIMIT 1 [ RunTime:0.000926s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150941 LIMIT 1 [ RunTime:0.000972s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150940 LIMIT 1 [ RunTime:0.000914s ]
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[ SQL ] SHOW COLUMNS FROM `tb_user_company` [ RunTime:0.001239s ]
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