Method, an apparatus and a rotor for homogenizing a medium
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01F-007/00
B01F-003/12
B01F-005/04
출원번호
US-0681048
(2015-04-07)
등록번호
US-9339777
(2016-05-17)
우선권정보
EP-04405223 (2004-04-13)
발명자
/ 주소
Vesala, Reijo
출원인 / 주소
Sulzer Management AG
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
2인용 특허 :
4
초록▼
The present invention relates to a method, an apparatus and a rotor for homogenizing a medium. The invention may be utilized in all areas of industry where mere homogenization of a medium or mixing of at least two flowing media is needed. A preferred application of the invention can be found in pulp
The present invention relates to a method, an apparatus and a rotor for homogenizing a medium. The invention may be utilized in all areas of industry where mere homogenization of a medium or mixing of at least two flowing media is needed. A preferred application of the invention can be found in pulp and paper making industry where various chemicals have to be mixed with fiber suspensions. A characterizing feature of the invention is the symmetry of the homogenizing operation in the homogenizing chamber.
대표청구항▼
1. A method of homogenizing a medium in an apparatus, the apparatus including a housing having a homogenizing chamber with a circumferential wall, andtwo end caps at the opposite ends of the chamber, the circumferential wall having an inlet opening and an outlet opening, the inlet opening communicat
1. A method of homogenizing a medium in an apparatus, the apparatus including a housing having a homogenizing chamber with a circumferential wall, andtwo end caps at the opposite ends of the chamber, the circumferential wall having an inlet opening and an outlet opening, the inlet opening communicating with an inlet duct, and the outlet opening communicating with an outlet duct, both openings having a center;a center line plane between the end caps; the center line plane running essentially via the centers of the inlet opening and the outlet opening; anda rotor having blades andan axis extending through the homogenizing chamber;the center line plane running at essentially right angles to the rotor axis,the rotor blades being arranged symmetrically on both sides of the center line plane, each rotor blade being inclined in relation to a plane defined by the rotor axis and an intersecting point between the respective rotor blade and the center line plane,in which method the medium to be homogenized is introduced into the homogenizing chamber transverse to the rotor axis through the inlet duct and the inlet opening,is homogenized in the chamber andis discharged therefrom via the outlet opening and the outlet duct,the method comprising the step of forcing the medium within the homogenizing chamber to radially circulating movement, andto axially circulating symmetrical movement on both axial sides of the center line plane by pumping the medium by means of the rotor blades towards the end caps of the housing, i.e. to the axial sides of the blades. 2. The method as recited in claim 1, wherein the medium is introduced along the center line plane into the homogenizing chamber. 3. The method as recited in claim 1, wherein the medium is discharged along the center line plane from the homogenizing chamber. 4. The method as recited in any claim 1, further comprising the step of providing one of the homogenizing chamber, the inlet duct and upstream of the inlet duct with at least one inlet opening for a chemical. 5. The method as recited in claim 1, further comprising the step of providing chemical in the homogenizing chamber via the rotor. 6. A method of homogenizing a medium in an apparatus, the apparatus including a housing having a homogenizing chamber with a circumferential wall, andtwo end caps at the opposite ends of the chamber, the circumferential wall having an inlet opening and an outlet opening, the inlet opening communicating with an inlet duct and the outlet opening communicating with an outlet duct, both openings having a center;a center line plane between the end caps; the center line plane running essentially via the centers of the inlet opening and the outlet opening; anda rotor having blades andan axis extending through the homogenizing chamber;the center line plane running at essentially right angles to the rotor axis,the rotor blades being arranged symmetrically on both sides of the center line plane, each rotor blade being inclined in relation to a plane defined by the rotor axis and an intersecting point between the respective rotor blade and the center line plane,in which method the medium to be homogenized is introduced into the homogenizing chamber transverse to the rotor axis through the inlet duct and the inlet opening,is homogenized in the chamber andis discharged therefrom via the outlet opening and the outlet duct,the method comprising the steps of providing the rotor blade with a part closest to the center line plane, the part of the blade being, when rotating the rotor, the leading part of the blade, andforcing the medium within the homogenizing chamber to recirculation round the blades, andto axially circulating symmetrical movement on both axial sides of the center line plane by the rotor blades. 7. The method as recited in claim 6, wherein the medium is introduced along the center line plane into the homogenizing chamber. 8. The method as recited in claim 6, wherein the medium is discharged along the center line plane from the homogenizing chamber. 9. The method as recited in claim 6, wherein the medium is pumped by means of the blades towards the end caps of the housing, i.e. to the axial sides of the blades. 10. The method as recited in any claim 6, further comprising the step of providing one of the homogenizing chamber, the inlet duct and upstream of the inlet duct with at least one inlet opening for a chemical. 11. The method as recited in claim 6, further comprising the step of providing chemical in the homogenizing chamber via the rotor. 12. The method of claim 1, wherein the rotor is provided with separate blades arranged symmetrically on both sides of the center line plane. 13. The method of claim 6, wherein the rotor is provided with separate blades arranged symmetrically on both sides of the center line plane.
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이 특허에 인용된 특허 (4)
Kemp ; Jr. Preston B. (Athens PA) Holland ; Sr. Robert J. (Sayre PA), Apparatus for milling metal powder to produce high bulk density fine metal powders.
Vesala, Reijo; Vikman, Vesa, Method of and an arrangement for introducing process liquid from a treatment step to a washing and/or filtering apparatus.
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