CN1100597C - Static mixer - Google Patents
Static mixer Download PDFInfo
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- CN1100597C CN1100597C CN00109872A CN00109872A CN1100597C CN 1100597 C CN1100597 C CN 1100597C CN 00109872 A CN00109872 A CN 00109872A CN 00109872 A CN00109872 A CN 00109872A CN 1100597 C CN1100597 C CN 1100597C
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- cylindrical shell
- tower body
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- static mixer
- shaped short
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Abstract
The present invention relates to a novel grade-separation disk type static mixer which comprises a pipe body, a cylinder body or a tower body and at least two layers of grade-separation disks, wherein the disk bottom of each grade-separation disk forms a conical face uniformly distributed with at least two notches or holes respectively connected with a special-shaped short pipe; an arch top cover is arranged between the adjacent short pipes; the projection of a space curve composed of the upper holes of all the special-shaped short pipes and the outer edges of the arch top covers on the cross section of the pipe body, the cylinder body or the tower body is an integral circumference with the diameter equal to the inner diameter of the pipe body, the cylinder body or the tower body. The static mixer of the present invention has the advantages of simple structure, no flow dead angle and effective elimination of radial difference in a fluid state, is used for various industrial fields and is especially suitable for large-diameter reactor with the requirement for plug flow.
Description
The present invention relates to a kind of novel static mixer, the fluid state novel static mixer of difference radially when particularly relating to a kind of eliminate fluid effectively and flowing through body or cylindrical shell or tower body.
Nineteen seventies rises, and the developmental research progress of static mixer is very fast, and the various static mixer structure that come in every shape at difference mixing purpose are come out one after another.In a lot of occasions, the main purpose of mixing is the radially difference of eliminate fluid state, for example, central part flow velocity height when fluid is flowed through body or cylindrical shell or tower body, the edge part flow velocity is low, and the fluid stagnation time distributes wide; And for example with chuck heating or cooling, the edge part temperature is high or low, and the central part temperature is low or high.Eliminate above-mentioned difference, the simplest and the most direct method is to allow the fluid transposition alternately regularly of body or cylindrical shell or tower body central part and edge part under the prerequisite of no dead angle, no short circuit and lower resistance, and any particle is flowed through, and radially the course that changes of coordinate is similar for body or cylindrical shell or tower body process.But the various static mixers of reporting in industrialization up to now or existing patent and the non-patent literature all lack realizes the simple of above-mentioned functions and effective means.
The objective of the invention is to be to overcome above-mentioned existing problems a kind of novel static mixer simple in structure is provided, the flow resistance of described blender is little, no dead angle or short circuit, can allow the fluid of centre and edge replace transposition regularly, any particle is flowed through, and radially the course that changes of coordinate is similar for body or cylindrical shell or tower body process, thus the radially difference of eliminate fluid state.
Novel static mixer provided by the invention, it is characterized in that comprising body or cylindrical shell or tower body 1 and two-layer at least cross disc 2,2-1 is a taper seat at the bottom of the described cross disc, conical bottom directly is less than body or cylindrical shell or tower body internal diameter, be preferably body or cylindrical shell or tower body internal diameter 0.6～0.8 times, the circular cone drift angle is determined according to fluid behaviour and body or cylindrical shell or tower body internal diameter and dish spacing.Taper seat is evenly distributed to few two breach or hole, and each breach or hole connect a special-shaped short tube 2-2, towards vertex of a cone side, points to body or cylindrical shell or tower body wall.The abnormity short tube is made up of inner face, outer face and two sides, and inside and outside end face is a curved surface, and two sides are plane or curved surface.Also inner face can be condensed to a straight line or curve, directly intersect two sides.Establish arch top cover 2-3 between adjacent two special-shaped short tubes sidewall suitable for reading, the space curve that the outer rim of the suitable for reading and arch top cover of all special-shaped short tubes is formed is projected as the full circumferences that diameter equals body or cylindrical shell or tower body internal diameter on body or cylindrical shell or tower body cross section.Cross disc is tried to get to the heart of a matter and is established one in the circular cone top and be inverted conicle 2-4, and its bottom and try to get to the heart of a matter circular cone institute's gap or hole are tangent.Cross disc and body or cylindrical shell or tower body wall directly weld or assemble support, and preferential the selection welded.The two ends of body or cylindrical shell or tower body are provided with the member sealing of material import and export usually.
In the novel static mixer of the present invention, the setting of each layer cross disc does not have strict restriction, is preferably non-angular deflection; The dish number depends on application requirements, coils number the more, and fluid state difference is littler.
In novel static mixer of the present invention, trying to get to the heart of a matter of each cross disc, the space curve that the circular cone arc of trying to get to the heart of a matter between all special-shaped short tube end opening outer rims and adjacent special-shaped short tube is formed is divided into two parts with body or cylindrical shell or tower body cross section, inboardly is the Di Xin district, and the outside is the base district.Equally, at cross disc Pan Ding, the space curve that the inner edge of the suitable for reading and arch top cover of all special-shaped short tubes is formed also is divided into two parts with body or cylindrical shell or tower body cross section, and the inboard is heart district, top, and the outside is the top margin district.All special-shaped short tubes are communicated with Di Xin district and top margin district, He Dingxin district, channel connection base district between adjacent special-shaped short tube.
But two-way flow when novel static mixer of the present invention moves.From the inflow of trying to get to the heart of a matter, the fluid in Di Xin district enters the top margin district through all special-shaped short tubes as fluid, and fluid passage through between all special-shaped short tubes in base district enters heart district, top; And for example fluid flows into from Pan Ding, and top margin district fluid enters the Di Xin district through all special-shaped short tubes, and fluid passage through between all special-shaped short tubes in top heart district enters the base district.Like this, fluid one deck cross disc of whenever flowing through, position of centre and edge fluid exchange is provided with multilevel intersection dish serial operation in body or cylindrical shell or tower body, make the radially coordinate variation experience of any particle in the fluid in body or cylindrical shell or the tower body similar, the trend piston-type flows.
The another embodiment of novel static mixer of the present invention can be out of shape on the said structure basis, promptly in body or cylindrical shell or tower body 1, establish interior tube body or cylindrical shell or tower body 3 in addition, the 2-1 taper seat becomes round table surface at the bottom of the former cross disc, round platform top diameter equals interior tube body or cylindrical shell or tower body external diameter, be inverted conicle 2-4 in the former cross disc base cone top and disappear, cross disc becomes the grade separation ring.All the other structures identical with operation principle (seeing Fig. 4-6) with aforementioned grade separation disc type static mixer.
Novel static mixer of the present invention is applied to can be in the pipe vertical or horizontal, is applied in tube, the tower then for vertical.
Static mixer of the present invention has the following advantages: 1. efficient height, in the time of can guaranteeing fully that fluid is flowed through body or cylindrical shell or tower body radially coordinate to change course similar, thereby the radially difference of eliminate fluid state; 2. there is not flow blind angle, no short circuit; 3. flow resistance is little, is particularly suitable for high viscosity systems; 4. simple in structure, cross disc or grade separation ring can be directly and body or cylindrical shell or tower body welding; 5. use body or cylindrical shell or tower body diameter range wide, be particularly suitable for the major diameter tower.
Novel static mixer of the present invention is of many uses, the fill-type reaction tower such as polymerizing polyamide reactor, the esterification of the polyester second level and the Prepolycondensating reactor etc. that comprise highly viscous fluid heat exchanger, screw extruder outlet temperature homogenizer, require piston-type to flow.
Fig. 1 is the structural representation of facing of grade separation disc type static mixer
Fig. 2 is the plan structure schematic diagram of cross disc
Fig. 3 is the A-A profile of cross disc
Fig. 4 is the structural representation of facing of grade separation ring type static mixer
Fig. 5 is the plan structure schematic diagram of grade separation ring
Fig. 6 is the A-A profile of grade separation ring
Grade separation disc type static mixer of the present invention is established preheater as the prepolymerization reaction tower of PET at the bottom of the tower, tower body is established 18 cross discs, and the cat head diameter amplifies, and enough evaporating spaces are provided.Tower body is established chuck, opens the heating agent import and export, finishes the oligomer of esterification and goes into tower from the bottom feed mouth, and upstream sequence passes through 18 layers of cross disc through preheater heating back, goes out tower from upper part discharge port, the ethylene glycol steam of generation from the top bleeding point from tower.Cross disc has effectively dwindled the radially difference of Flow of Goods and Materials state, makes the trend piston flow that flows, thereby has accelerated polycondensation speed effectively; At reaction temperature 280-285 ℃, pressure 2000-3000Pa, under the reaction time 40-75 minute condition, inlet oligomer number-average degree of polymerization is 4-6, outlet prepolymer number-average degree of polymerization can reach 20-35, and the quality homogeneous.
Claims (5)
1, a kind of novel static mixer, it is characterized in that: comprise body or cylindrical shell or tower body (1) and two-layer at least cross disc (2), try to get to the heart of a matter (2-1) of described cross disc is taper seat, conical bottom directly is less than body or cylindrical shell or tower body internal diameter, taper seat is evenly distributed to few two breach or hole, each breach or hole connect a special-shaped short tube (2-2), towards vertex of a cone side, point to body or cylindrical shell or tower body wall; Establish arch top cover (2-3) between adjacent special-shaped short tube sidewall suitable for reading, the space curve that all special-shaped short tubes are suitable for reading and arch top cover outer rim is formed is in the full circumferences that diameter equals body or cylindrical shell or tower body internal diameter that is projected as of body or cylindrical shell or tower body cross section; Be provided with one in the circular cone top and be inverted conicle (2-4), institute's gap is tangent on its bottom and the cross disc conical surface; Cross disc and body or cylindrical shell or tower body wall directly weld or assemble support.
2, according to the novel static mixer of claim 1, it is characterized in that: described special-shaped short tube is made up of inner face, outer face and two sides, and inside and outside both ends of the surface are curved surface, and two sides are plane or curved surface, also inner face can be condensed to a straight line or curve, directly intersect two sides.
3, according to the novel static mixer of claim 1, it is characterized in that: try to get to the heart of a matter at cross disc, the space curve formed of awl end circular arc is divided into two parts with body or cylindrical shell or tower body cross section between all special-shaped short tube end opening outer rims and adjacent two special-shaped short tubes, inboardly is the Di Xin district, and the outside is the base district; At cross disc Pan Ding, the space curve that the suitable for reading and arch top cover inner edge of all special-shaped short tubes is formed is divided into two parts with body or cylindrical shell or tower body cross section, and the inboard is heart district, top, and the outside is the top margin district; All special-shaped short tubes are communicated with Di Xin district and top margin district, and tube lane then is communicated with He Dingxin district, base district.
4, according to the novel static mixer of claim 1, it is characterized in that: an interior tube body or cylindrical shell or tower body (3) are set in described body or cylindrical shell or tower body in addition, circular cone becomes round platform at the bottom of the former cross disc, round platform top diameter equals interior tube body or cylindrical shell or tower body external diameter, the inversion conicle disappears, cross disc becomes the grade separation ring, and two bodys or cylindrical shell or tower body annular space space are provided with two-layer at least grade separation ring.
5, according to the novel static mixer of one of claim 1-4, it is characterized in that: conical bottom directly is body or cylindrical shell or tower body internal diameter 0.6～0.8 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00109872A CN1100597C (en) | 2000-07-10 | 2000-07-10 | Static mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00109872A CN1100597C (en) | 2000-07-10 | 2000-07-10 | Static mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1278457A CN1278457A (en) | 2001-01-03 |
| CN1100597C true CN1100597C (en) | 2003-02-05 |
Family
ID=4579923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00109872A Expired - Fee Related CN1100597C (en) | 2000-07-10 | 2000-07-10 | Static mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1100597C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363095C (en) * | 2005-12-28 | 2008-01-23 | 北京英诺威逊聚合技术有限公司 | High-efficient continuous slide flowing agitator |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204945C (en) * | 2003-09-05 | 2005-06-08 | 刘兆彦 | Crossover discs constructed in tube, cylinder or tower |
| CN100406091C (en) * | 2006-09-27 | 2008-07-30 | 北京英诺威逊聚合技术有限公司 | An insert hollow cross disc used in forced heat conduction low resistance pipe |
| CN105268342B (en) * | 2014-07-17 | 2019-06-07 | 衢州顶点电子科技有限公司 | Low-shear static mixer |
| CN110616469A (en) * | 2019-09-03 | 2019-12-27 | 江苏德力化纤有限公司 | Production equipment and production method of hydrophilic moisture-conducting secondary-stranding porous fiber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1650229A1 (en) * | 1988-11-21 | 1991-05-23 | Ярославский политехнический институт | Static mixer |
| JPH05212259A (en) * | 1992-02-03 | 1993-08-24 | Nittec Co Ltd | Static mixer |
| CN2150916Y (en) * | 1992-09-26 | 1993-12-29 | 大连金州混合器厂 | Stationary mixer |
| ZA953420B (en) * | 1994-05-06 | 1996-01-17 | Frederick Ernest Snyman | Mixer |
| CN2275477Y (en) * | 1996-12-21 | 1998-03-04 | 徐先盛 | High-strength static mixer |
-
2000
- 2000-07-10 CN CN00109872A patent/CN1100597C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1650229A1 (en) * | 1988-11-21 | 1991-05-23 | Ярославский политехнический институт | Static mixer |
| JPH05212259A (en) * | 1992-02-03 | 1993-08-24 | Nittec Co Ltd | Static mixer |
| CN2150916Y (en) * | 1992-09-26 | 1993-12-29 | 大连金州混合器厂 | Stationary mixer |
| ZA953420B (en) * | 1994-05-06 | 1996-01-17 | Frederick Ernest Snyman | Mixer |
| CN2275477Y (en) * | 1996-12-21 | 1998-03-04 | 徐先盛 | High-strength static mixer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363095C (en) * | 2005-12-28 | 2008-01-23 | 北京英诺威逊聚合技术有限公司 | High-efficient continuous slide flowing agitator |
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| Publication number | Publication date |
|---|---|
| CN1278457A (en) | 2001-01-03 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030205 Termination date: 20090710 |