Method for operating rotating cylindrical filters and a rotatable cylindrical filter
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-033/067
B01D-033/48
출원번호
US-0326541
(1989-03-02)
우선권정보
SE-0003753 (1986-09-08)
국제출원번호
PCT/SE87/00403
(1987-09-08)
§371/§102 date
19890302
(19890302)
국제공개번호
WO-8801899
(1988-03-24)
발명자
/ 주소
Allsing Karl J. (Nibblevgen 28 S-146 00 Tullinge SEX)
인용정보
피인용 횟수 :
10인용 특허 :
0
초록▼
A method for application in conjunction primarily with so-called rotating filters of the kind which include a substantially cylindrical filter tube (1) which is provided with a permeable wall and which is sealingly journalled at preferably two axially spaced locations, preferably at the ends of the
A method for application in conjunction primarily with so-called rotating filters of the kind which include a substantially cylindrical filter tube (1) which is provided with a permeable wall and which is sealingly journalled at preferably two axially spaced locations, preferably at the ends of the tube, and which is arranged for rotation about its longitudinal axis in a filter jacket (2), wherewith material to be filtered, the so-called feed, is supplied to a space or chamber (11) located between the filter jacket and the filter tube, and the filtered substance, the filtrate, being tapped-off from the interior of the filter tube. The method is particularly characterized by sealing and journalling the filter tube (1) in a manner adapted to substantial changes in temperature in the filter tube and that facilities are provided for sterilizing the filter. When applicable, the bearings and seals can be sterilized and lubricated and cooled by means of sterilizing media, and, when applicable, the filter tube (1) is caused to rotate at relatively high speeds. The invention also relates to a device for carrying out the method.
대표청구항▼
A method of operating rotating filters of the kind comprising a substantially cylindrical filter tube which is provided with a permeable wall and which is sealingly journalled at at least one locations, for rotation about its longitudinal axis in a filter jacket, in which method feed material to be
A method of operating rotating filters of the kind comprising a substantially cylindrical filter tube which is provided with a permeable wall and which is sealingly journalled at at least one locations, for rotation about its longitudinal axis in a filter jacket, in which method feed material to be filtered is supplied to a space located between the filter jacket and the filter tube, and in which filtered material, the filtrate, can be tapped from the interior of the filter tube, characterized by the step of sealing and journalling the filter tube (1) in a manner adapted to substantial temperature changes of the filter tube, seals and bearings being adapted to take up axial displacement movements and forces resulting essentially from changes in the temperature of the filter tube, by means of a journalling and sealing unit attached to the filter tube (1) and arranged adjacent at least one end (1′) of the filter tube, said unit comprising two substantially cylindrical parts (15′, 16′), one external (15′) and one internal (16′), which are co-acting in a sealed and axially displaceable relationship. A filter of the rotating kind comprising a substantially cylindrical filter jacket, a substantially cylindrical filter tube which has a permeable wall and which is sealingly journalled by seals and bearings at least one axial locations, for rotation about its longitudinal axis in said filter jacket, the material to be filtered, the feed, being supplied to a first space located at one end of and between the filter jacket and the filter tube, and the filtered material, the filtrate, being tapped from the interior of the filter tube, and wherein the seals (9, 14, 20, 21) and bearings of the filter tube (1) are sterilizably arranged and constructed so as to take up axial displacement movements and forces resulting essentially from changes in the temperature of the filter tube (1), seals and bearings comprising means including a journalling and sealing unit attached to said filter tube (1) and arranged adjacent said one end (1′) of said filter tube (1), said unit comprising two substantially cylindrical parts (15′, 16′), one external (15′) and one internal (16′), which are arranged to co-act in a sealed and axially displaceable relationship, and wherein said seals (9, 14, 20, 21) and bearings are constructed to enable said seals and bearings to be sterilized and lubricated and cooled by means of a sterilizing media.
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