Mixer for continuous flow reactor, continuous flow reactor, method of forming such a mixer, and method of operating such a reactor
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01F-005/06
출원번호
US-0449602
(2007-03-15)
등록번호
US-8827544
(2014-09-09)
국제출원번호
PCT/US2007/006641
(2007-03-15)
§371/§102 date
20091222
(20091222)
국제공개번호
WO2008/115173
(2008-09-25)
발명자
/ 주소
Bachman, Gene W.
Jones, Raymond M.
Cloeter, Michael D.
Lipp, Charles W.
Bartel, Mark J.
Coomes, Brady J.
Daigle, Scott J.
Janda, Steve F.
출원인 / 주소
Dow Global Technologies LLC
대리인 / 주소
Brooks, Cameron & Huebsch, PLLC
인용정보
피인용 횟수 :
1인용 특허 :
53
초록▼
A mixer (100) for a continuous flow reactor (330) and methods for forming the mixer and the operation thereof. The mixer allows for segmentation of a primary reactant flow through a plurality of ports (124) into many smaller flows that are injected as jets into a secondary reactant flow in channels
A mixer (100) for a continuous flow reactor (330) and methods for forming the mixer and the operation thereof. The mixer allows for segmentation of a primary reactant flow through a plurality of ports (124) into many smaller flows that are injected as jets into a secondary reactant flow in channels of the mixer. The channel (126) has a constant width dimension to enhance even flow distribution and local, turbulence of the primary and secondary reactant flows. The constant width dimension of the channel and the size and number of the ports of the mixer can be configured to ensure the primary reactant flow injected into the channel directly impinges on a surface (116) of the channel that is opposite the injection point at normal operating conditions.
대표청구항▼
1. A mixer for a continuous flow reactor, comprising: an elongate inner sleeve having an inside surface defining an axial opening to receive a mounting shaft that extends through a first end and a second end of the elongate sleeve, and an outside surface opposite the inside surface; andan elongate o
1. A mixer for a continuous flow reactor, comprising: an elongate inner sleeve having an inside surface defining an axial opening to receive a mounting shaft that extends through a first end and a second end of the elongate sleeve, and an outside surface opposite the inside surface; andan elongate outer sleeve concentrically arranged with the elongate inner sleeve, the elongate outer sleeve having a first surface and a second surface opposite the first surface, and a plurality of ports extending through the first and second surface of the elongate outer sleeve, where the outside surface of the elongate inner sleeve and the first surface of the elongate outer sleeve define an annular channel that extends through the first end and the second end of the elongate inner sleeve. 2. The mixer of claim 1, where the channel has a constant width dimension relative to a diameter of the first surface of the elongate outer sleeve in a range of 0.01 to 1.0. 3. The mixer of claim 1, where the channel has a constant width dimension of about 3.2 cm. 4. The mixer of claim 1, where the outside surface of the elongate inner sleeve has a unbroken continuous wall having an arcuate surface. 5. The mixer of claim 1, where each of the plurality of ports has a diameter relative to a width of the annular channel of 0.4. 6. A mixer for a continuous flow reactor, comprising: an elongate inner sleeve having an inside surface defining an axial opening to receive a mounting shaft that extends through a first end and a second end of the elongate sleeve, and an outside surface opposite the inside surface;an elongate outer sleeve concentrically arranged with the elongate inner sleeve, the elongate outer sleeve having a first surface and a second surface opposite the first surface, and a plurality of ports extending through the first and second surface of the elongate outer sleeve; anda support wall connecting the elongate inner sleeve and the elongate outer sleeve, where the support wall, the outside surface of the elongate inner sleeve and the first surface of the elongate outer sleeve define a channel that extends through the first end and the second end of the elongate inner sleeve. 7. The mixer of claim 6, where the channel has a constant width dimension relative to a diameter of the first surface of the elongate outer sleeve in a range of 0.01 to 1.0. 8. The mixer of claim 6, where the outside surface of the elongate inner sleeve has an unbroken continuous wall having an arcuate surface. 9. The mixer of claim 8, where the channel has a cross-sectional shape of a sector of an annulus taken perpendicular to a longitudinal axis of the mixer. 10. The mixer of claim 6, where each of the plurality of ports has a diameter relative to a width of the annular channel of 0.4. 11. A continuous flow reactor, comprising: an elongate core having a first exterior surface and a mounting shaft;a mixer positioned around the mounting shaft, the mixer having: an elongate inner sleeve with an inside surface defining an axial opening through which the mounting shaft passes, and an outside surface opposite the inner surface;an elongate outer sleeve concentrically arranged with the elongate inner sleeve, the elongate outer sleeve having a first surface and a second surface opposite the first surface, and a plurality of ports extending through of the first and second surface of the elongate outer sleeve; anda support wall connecting the elongate inner sleeve and the elongate outer sleeve, where the support wall, the outside surface of the elongate inner sleeve and the first surface of the elongate outer sleeve define a first segment of an annular channel that extends through the continuous flow reactor; andan elongate housing concentrically arranged around the mixer and at least a portion of the elongate core, where the first exterior surface of the elongate core and a first inner surface of the elongate housing to define a second segment of the annular channel, and where an interior surface of the elongate housing and the second surface of the elongate outer sleeve define an annular conduit having an inlet through which a fluid can pass into the annular conduit and through the plurality of ports into the annular channel. 12. The continuous flow reactor of claim 11, where the second segment of the annular channel is located on either side of the first segment defined by the mixer. 13. The continuous flow reactor of claim 11, where the channel has a cross-sectional area to accommodate a Jet Mixing Number of greater than 0.07. 14. The continuous flow reactor of claim 11, where the ports have a total cross-sectional area to accommodate a major flow of at least twice that of a minor flow volume moving through the channel. 15. The continuous flow reactor of claim 11, where the channel has a constant width dimension relative a diameter of the first surface of the elongate outer sleeve of 0.09, and each of the plurality of ports has a diameter relative to a width of the annular channel of 0.4. 16. The continuous flow reactor of claim 11, where the first exterior surface of the elongate core defines a first conical end and a second conical end opposite the first conical end, the first conical end coupled to a first mounting bracket to provide an inlet end for the annular channel and the second conical end coupled to a second mounting bracket to provide an outlet end for the annular channel. 17. The continuous flow reactor of claim 16, where the first and second mounting brackets include radial support members each having a helical pitch relative the longitudinal axis of the elongate core. 18. The continuous flow reactor of claim 11, where the mixer is formed of a first material, and the elongate core and the elongate housing are formed of a second material different than the first material. 19. The continuous flow reactor of claim 18, where the first material is a fluoropolymer and the second material is titanium. 20. The continuous flow reactor of claim 11, including a pusher type seal positioned between the elongate core and the mixer to provide a compressive force between the mixer and the elongate core and the elongate housing.
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