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    • 1. 发明授权
    • Method for dry cleaning as well as a method for recovery of solvent
therein
    • 干洗方法以及其中回收溶剂的方法
    • US5195252A
    • 1993-03-23
    • US746422
    • 1991-08-16
    • Kiyomi YamadaHaruo HagiwaraNobuharu TakagiHideo TsukamotoYasuhiro TsubakiToshio Hattori
    • Kiyomi YamadaHaruo HagiwaraNobuharu TakagiHideo TsukamotoYasuhiro TsubakiToshio Hattori
    • D06F43/08
    • D06F43/086
    • The present invention is directed to a technique which comprises the steps of stopping the rotation of a treating drum in a deodorizing step, introducing the outside air into a treating tank through an upper opening provided in the upper portion of the treating tank or the upper portion of a recovery air duct, simultaneously exhausting a solvent gas from the treating tank through a lower opening provided in the lower portion of the treating tank or a button trap portion so slowly as not to agitate the solvent gas in the treating tank by an exhaust means connected to a solvent recovery device in the condition that the treating drum is stopped, in order to replace the solvent gas in the treating tank with the outside air, and reusing the solvent gas through the solvent recovery device once or several times. In addition, the present invention is further directed to an improvement of the above-mentioned technique. According to the above-mentioned technique of the present invention, a gas throughput which is required to recover a certain amount of the solvent in the treating tank can be noticeably miniaturized and hence it can be manufactured at a lower cost, as compared with conventional ones, and air pollution and the breakage of ozone layer can be prevented. Moreover, the solvent can be saved owing to its recovery and reuse, and occupation space for the solvent recovery device can be also saved.
    • 本发明涉及一种技术,其包括以下步骤:在除臭步骤中停止处理滚筒的旋转,通过设置在处理槽的上部的上部开口或上部将空气引入处理槽 的回收空气管道,同时通过设置在处理槽的下部的下部开口处理来自处理槽的溶剂气体或按钮捕获部分缓慢地排出溶剂气体,以便不会通过排气装置搅动处理罐中的溶剂气体 在处理鼓停止的条件下连接到溶剂回收装置,以便用外部空气代替处理罐中的溶剂气体,并且通过溶剂回收装置重复使用溶剂气体一次或数次。 此外,本发明进一步涉及上述技术的改进。 根据本发明的上述技术,在处理槽中回收一定量的溶剂所需的气体通过量可以显着地小型化,因此与常规的相比可以以较低的成本制造 ,可以防止空气污染和臭氧层破裂。 此外,由于其回收和再利用,可以节省溶剂,并且还可以节省用于溶剂回收装置的占用空间。
    • 4. 发明授权
    • Dry cleaning method using at least two kinds of solvents
    • 使用至少两种溶剂的干洗方法
    • US4802253A
    • 1989-02-07
    • US89122
    • 1987-08-25
    • Haruo HagiwaraHideo TsukamotoYasuhiro Tsubaki
    • Haruo HagiwaraHideo TsukamotoYasuhiro Tsubaki
    • D06F43/00D06F43/08
    • D06F43/08D06F43/00
    • The present invention relates to a dry cleaning method in which tanks for exclusively receiving at least two kinds of solvents which are soluble in each other are provided. One treating tank and a fractionating device for recovering the two or more kinds of solvents by fractonal distillation are provided. Exclusive filters for the respective solvents are provided through the use of, a common filter or a multi-filter device composed of both the filters which is disposed between the tanks and the treating tank. The two or more kinds of solvents are used independently so that washing is carried out. Further, the present disclosure relates to a dry cleaning method in which in a dry cleaner using organic solvents such as perchloroethylene, 1,1,1-trichloroethane, turpentine (oil series) and the like, the previously use solvent is replaced with another solvent which is soluble therein and has a lower boiling point, for exmple, Flon 113 or 11, during washing or immediately before drying in order to thereby shorten a drying period of time. According to this disclosure, the most proper washing method can be chosen for the greater part of materials, processings and forms of clothes, and troubles due to the wasing of the clothes can be reduced remarkably. Further, the disclosed apparatus and method can advantageously save occupation space, equipment cost, volume of facilities, maintenace cost and the like. In addition thereto, a drying time can be reduced by half.
    • 9. 发明授权
    • Dry cleaning method and apparatus
    • 干洗方法和设备
    • US4912793A
    • 1990-04-03
    • US384843
    • 1989-07-24
    • Haruo Hagiwara
    • Haruo Hagiwara
    • D06F43/08D06F43/00
    • D06F43/007
    • There are disclosed a dry cleaning method and apparatus using organic solvents in which two types of solvents melted to each other, one of which is a solvent (for example, perchloroethylene or 1.1.1 trichloroethane) having large washing power and the other of which is a solvent (for example, fleon R113 or terpene) having high safety for clothes can be simultaneously possessed and mixed to a predetermined mixture ratio in the range in which the respective characteristics of both the solvents do not interfere with each other by a fractionating device of the solvents, whereby almost all materials for clothes can be cleaned.With the structure, a single dry cleaner can clean almost all material for clothes and can increase the generality greatly as compared with the prior art cleaner.
    • 公开了使用有机溶剂的干洗方法和装置,其中两种溶剂彼此熔融,其中一种是具有大洗涤力的溶剂(例如全氯乙烯或1.1.1三氯乙烷),另一种是 可以同时具有对衣物具有高安全性的溶剂(例如,飞蓟素R113或萜烯),并且在两种溶剂的各特性不会彼此干扰的范围内以预定的混合比混合,通过分馏装置 溶剂,几乎所有的衣服材料都可以清洗干净。 采用这种结构,单个干洗机可以清洁衣物的几乎所有材料,并且与现有技术的清洁剂相比可以大大增加通用性。