CN1305859A - Crossing tray for structural members in space of tower and tube - Google Patents
Crossing tray for structural members in space of tower and tube Download PDFInfo
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- CN1305859A CN1305859A CN 01100022 CN01100022A CN1305859A CN 1305859 A CN1305859 A CN 1305859A CN 01100022 CN01100022 CN 01100022 CN 01100022 A CN01100022 A CN 01100022A CN 1305859 A CN1305859 A CN 1305859A
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Abstract
A crossing tray for the structural members in tower or tube has a conic tray bottom, shaped short tubes and top cover with intertube channels on the top side of said shaped tubes. Said conic tray bottom has two or more notches for linking shaped short tube, each for one. The perforated plate, net, or filler can be additionally used in said short tubes and intertube channels. Its advantages are no radial difference of material stream and high efficiency of chemical reaction and mass transfer.
Description
The present invention relates to a kind of novel tower or pipe inner member, particularly relate to a kind of radially difference of eliminating material state in tower or the pipe, and improve the tower or the pipe inner member cross disc of chemical reaction or mass transfer operation efficient.
Material flow is through void tower or when pipe, central part flow velocity height, the edge part flow velocity is low, material in tower or pipe dead time wider distribution.As heating or cooling with chuck, heat transmission resistance may cause central authorities and peripheral temperature of charge to differ.Take place if any chemical change, dead time and temperature contrast may cause central authorities and peripheral material to form irregular.Eliminate these phenomenons, the simplest and the most direct method is to allow in tower or the pipe central authorities and peripheral material transposition alternately regularly under the prerequisite of no dead angle, no short circuit and lower resistance, makes the flow through experience of radial coordinate variation of tower or pipe process of any particle similar.But, up to now, industrialized unit or all do not seen simple and effective tower or the pipe inner member that can realize above-mentioned functions in publication and the non-patent literature.
When utilizing tower to carry out heterogeneous system chemical reaction or mass transfer operation, two phase materials that participate in reaction or mass transfer should keep the piston-type reverse flow to obtain maximum reaction or mass transfer force as far as possible, and the decentralized photo material should be divided into try one's best tiny particle, drop or bubble and be distributed in the continuous phase material so that maximum reaction or mass transfer interface to be provided.For satisfying these requirements, the plate column of existing multiple different structure form and packed tower drop into the industrialization operation at present, but its efficient waits further raising, and operating flexibility waits further to widen.
The inventor researchs and develops out in the long-term practice of using, improve chemical industry, equipment and a kind ofly can make tower or pipe central part and peripheral position material be crossings on different level to flow, replace transposition regularly, and make two phase materials keep good piston-type reverse flow, and the decentralized photo material is divided into fine particle, drop or bubble is evenly distributed on novel tower inner member in the continuous phase material.
The object of the present invention is to provide a kind of novel, simple, new high-efficiency tower inner member, a kind of radially difference of eliminating material state (left alone without help stagnant time, humidity, composition etc.) in tower or the pipe particularly is provided, improves the advantages of simplicity and high efficiency tower or the pipe inner member cross disc of chemical reaction or mass transfer operation efficient.
Be characterised in that when novel tower provided by the invention or pipe inner member cross disc and comprise: cross disc tries to get to the heart of a matter 1, special-shaped short tube 2, special-shaped short tube tube lane top cover 3.Described cross disc try to get to the heart of a matter (abbreviation is tried to get to the heart of a matter) 1 be taper seat, cone bottom diameter is 0.1～0.9 times of tower or bore less than tower or bore, preferred 0.25～0.9 times.The circular cone drift angle is 20～178 °, preferred 60～160 °; Material viscosity is big more, and drift angle is more little.Described cross disc taper seat two the above breach 6 that evenly distribute of trying to get to the heart of a matter, tower or pipe diameter are big more, and the breach number is many more.Breach is made up of two waists 10 and top 11, and the top is a curve, or shortens into a bit, and two waists directly intersect.The abnormity short tube end opening and the circular cone breach of trying to get to the heart of a matter join, termination breach top in special-shaped short tube end opening two side joint breach two waists, special-shaped short tube end opening.Each breach connects a special-shaped short tube 2 respectively, and the special-shaped short tube end opening and the circular cone institute gap of trying to get to the heart of a matter join, and special-shaped short tube outer face center line becomes 0～75 ° of inclination angle to point to Pan Dingceta or tube wall with horizontal line.According to use occasion, special-shaped short tube 2 can have difformity, generally is made up of inner face 7, outer face 8 and two sides 9.Two sides are that the plane is intersected on curved surface, plane or two, and inner face is that curved surface or two intersects the plane, or a directly crossing straight line or the curve of being condensed in two sides, and the outer face is that curved surface or two intersects planes.The more inner face width in common outer face.
Described top cover 3 is located between adjacent two special-shaped short tubes sidewall suitable for reading, and the high both sides of top cover central authorities are low, and oblique to the tube wall inclination.Adjacent wall between adjacent two special-shaped short tubes, top cover and the taper seat of partly trying to get to the heart of a matter constitute tube lane, try to get to the heart of a matter the taper seat deformable for descending concave curved surface as the part of tube lane bottom surface.The space curve that all special-shaped short tubes outer rim suitable for reading and top cover outer rim are formed is in the full circumferences that is projected as of tower or body cross section.This circle diameter is equal to or slightly less than tower or internal diameter of tube body.Tower is as being used to handle the granular solids material, and cross disc tries to get to the heart of a matter 1, all planes or the curved surface inclination angle of special-shaped short tube 2, special-shaped short tube tube lane top cover 3 all should guarantee the smooth and easy downslide of material greater than the solid particle angle of friction.
In cross disc dish provided by the invention top side, the space curve that all special-shaped short tubes the inner suitable for reading and special-shaped short tube tube lane top cover inner edge are formed is divided into two parts with tower or tube section, the inboard is heart district, top, the outside is the top margin district, the ratio of two district's areas is 0.1～10, be preferably 0.5～6.0, more preferably 0.5～2.0; In the cross disc side of trying to get to the heart of a matter, the space curve that all special-shaped short tube end opening outer rims and special-shaped short tube tube lane bottom surface outer rim are formed is divided into two parts with tower or body cross section, the inboard is the Di Xin district, the outside is the base district, the ratio of two district's areas is generally 0.1～10, be preferably 0.5～6.0, more preferably 0.5～2.0.Intercept He Dingxin district, Di Xin district at the bottom of the cross disc, abnormity short tube outer face and tube lane top cover intercept He Dingxin district, base district, all special-shaped short tubes are communicated with Di Xin district and top margin district, realize that crossings on different level is mobile thereby all special-shaped short tube tube lanes then make He Dingxin district, base district communicate.
In the cross disc that another embodiment of the present invention provides, can further include and in cross disc is tried to get to the heart of a matter the circular cone top drift angle being set is 40～178 °, preferred 60～120 ° inversion conicle.Conicle bottom and cross disc taper seat bottom institute gap are tangent.The setting of described inversion conicle can further be avoided forming the dead angle in tower or body.
Multilayer orifice plate or net, filler (5) are set in the special-shaped short tube of the cross disc that yet another embodiment of the invention provides and the special-shaped short tube tube lane.But described orifice plate or net level are installed, and also can vertically or tilt to install.Successively (individual) installed or is assembled into the unit and be weldingly fixed on special-shaped short tube or special-shaped short tube tube lane inwall again, also can at special-shaped short tube or special-shaped short tube tube lane two ends are baffled or grizzly bar fixedly orifice plate or net unit.Filler can be packed into one by one, puts into special-shaped short tube or special-shaped short tube tube lane after also can being assembled into the unit earlier, and the baffled or grizzly bar in special-shaped short tube or special-shaped short tube tube lane two ends is fixed.
When cross disc provided by the invention was used for pipeline, pipeline can be vertically, level or tilt to install; When cross disc provided by the invention is used for tower, can also can try to get to the heart of a matter up up by Pan Ding.The cross disc number of plies of installing in tower or the pipe is determined that by process goal the dish number is many more, and fluid radially state difference is more little, and chemical reaction or mass transfer are abundant more.Preferably arrange when all cross discs are installed in tower or pipe, but also the alternate angle degree is arranged with angle.Cross disc and tower or inside pipe wall directly weld or assemble support, also tower wall and cross disc outer rim all can be processed into the identical taper of cone angle, applying suit.For the system preference welding of not tying dirt.
When cross disc of the present invention is installed in the tower, can establish tubulation, coil pipe or spiral plate (III type) heat exchanger between adjacent cross disc to satisfy technological requirement.
Can place catalyst in the special-shaped short tube of cross disc provided by the invention and the special-shaped short tube tube lane and constitute fixed bed reactors.
Material flow is in cross disc provided by the invention, and tower or interior the flowing of pipe that multilevel intersection dish of the present invention particularly is housed are:
But the material two-way flow both can also can flow to the side of trying to get to the heart of a matter by the dish top side by the effluent of trying to get to the heart of a matter to the dish top side.Material is as from the inflow of trying to get to the heart of a matter, and the material in the heart district that tries to get to the heart of a matter flows to Pan Dingbianqu through all special-shaped short tubes, and the border area material of trying to get to the heart of a matter flows to the Pan Dingxin district through all special-shaped short tube tube lanes.Material is as flowing into from the dish top side, and top heart district material flows to the border area of trying to get to the heart of a matter by all special-shaped short tube tube lanes, and dish top margin district material flows to the heart district that tries to get to the heart of a matter through all special-shaped short tubes.Like this, the material cross disc of whenever flowing through, central part and edge part material exchange a position, polylith dish serial operation, the course that changes of particle radial coordinate is similar arbitrarily in the process of tower or pipe for material flow, tends to desirable piston flow.
In addition, because of cross disc is arranged with angle, material is when trying to get to the heart of a matter side inflow, the material in lower floor tower tray Di Xin district flows to tower tray base, upper strata district by special-shaped short tube through this floor Pan Dingbianqu, stopped by upper strata tower tray abnormity short tube outer face, split and be two halves, the special-shaped betwixt short tube tube lane of adjacent two halves converges, and flows to heart district, tower tray top, upper strata.The material in lower floor tower tray base district flows to tower tray Di Xin district, upper strata by tube lane through this floor Pan Dingxin district, stopped by upper strata tower tray abnormity short tube tube lane bottom surface, be cleaved into two halves, converge in the adjacent two halves special-shaped short tube betwixt, flow to tower tray base, upper strata district.Equally, material is as being flowed into by the dish top side, the material in tower tray top margin district, upper strata flows to heart district, lower floor tower tray top by special-shaped short tube through this floor tower tray Di Xin district, stopped by all special-shaped short tube inner faces of lower floor's tower tray, split dimidiation, the special-shaped betwixt short tube tube lane of adjacent two halves converges, and flows to lower floor tower tray base district.The material in heart district, tower tray top, upper strata flows to lower floor tower tray top margin district by all special-shaped short tube tube lanes through this floor tower tray base district, split dimidiation by lower floor's tower tray abnormity short tube tube lane top cover obstruction, adjacent two halves special-shaped short tube betwixt converges, and flows to lower floor tower tray Di Xin district.The material cross disc of whenever flowing through all obtains once the chance of circumferentially cutting apart-mixing, and further improves uniformity coefficient, eliminates in tower or the pipe radially state (dead time, temperature, composition) difference of material.
The special-shaped short tube of cross disc and special-shaped short tube tube lane are interior as orifice plate (net) or filler are housed, two phase materials are cut apart repeatedly by the orifice plate (net) in special-shaped short tube and the special-shaped short tube tube lane or filler when keeping the reverse flow of piston attitude and are converged in the tower, the decentralized photo material is micro situation and is distributed in the continuous phase, produce huge boundary and obtain sufficient interface and upgrade, promote chemical reaction or mass transfer operation.
A kind of novel tower provided by the invention or pipe inner member cross disc have following characteristics: flow direction of material marginal zone, center when 1) material is by cross disc, flow direction of material center, marginal zone, crossings on different level is flowed, no dead angle, back-mixing not, it is similar that the radial coordinate of any particle flow process in tower of flowing through behind the polylith cross disc changes experience, than existing tower or manage the radially difference that inner member has more effectively been eliminated the material state.2) cross disc of whenever flowing through, material carry out once circumferentially cutting reorganization, have further improved material state uniformity.3) orifice plate (net) in special-shaped short tube and the special-shaped short tube tube lane or filler make material be the subparticle shape to cut apart reorganization, and boundary is big, upgrades fully chemical reaction or mass transfer operation efficient height.4) with being equipped with in the tower of cross disc of the present invention, residence time of material is long, the efficient height, and two-phase circulation interface is big, and operating flexibility is higher than traditional plate column or packed tower.5) simple in structure, manufacturing cost is lower, applied range.
Fig. 1 is the structural representation of cross disc
Fig. 2 tries to get to the heart of a matter to establish a structural representation of being inverted the cross disc of conicle in the circular cone top
Fig. 3,4 is the structural representation of special-shaped short tube
Fig. 5～6 are the conical bottom schematic diagram of uniform different shape breach
Tower provided by the invention or inner member cross disc are of many uses, for example can be used for making: 1. highly viscous fluid heat exchanger.2. polymer melt pipeline static mixer.3. screw extruder outlet temperature homogenizer.4. the fill-type reaction tower that needs maintenance material piston-type to flow is as polymerizing polyamide reactor, polyester Prepolycondensating reactor.5. solid-liquid chemical reaction or mass transfer operation tower.6. solid-chemistry reaction (as the polyester solid phase polycondensation tower) or mass transfer operation (drying tower).7. liquid-liquid extraction tower.8. solution-air chemical reaction or mass transfer operation tower.9. fixed bed reaction tower.
Embodiment 1
Cross disc of the present invention is established preheater as the prepolymerization reaction tower of PET at the bottom of the tower, establish 18 cross discs in the tower body, 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 dwindled the radially difference of Flow of Goods and Materials state effectively, makes the trend piston flow that flows, thereby has accelerated polycondensation speed effectively; 280～285 ℃ of reaction temperatures, pressure 2000～3000Pa, under 40～75 minutes reaction time condition, inlet oligomer number-average degree of polymerization is 4～6, outlet prepolymer number-average degree of polymerization can reach 20～30, and the quality homogeneous.
The extraction tower that 10 cross discs of the present invention are housed is used for the nylon 6 slice extraction, and water advances tower (120 ℃ of temperature) from the bottom, go out tower (98 ℃ of temperature) from top; Section is advanced tower from top, goes out tower from the bottom.Section and water are the reverse flow of piston attitude, and extraction efficiency significantly improves.Through extraction, extractable is reduced to below 0.3% from 10% in the section, goes out in the tower water extract content greater than 14%.
Claims (10)
1, a kind of novel tower or pipe inner member cross disc is characterized in that comprising: cross disc is tried to get to the heart of a matter (1), special-shaped short tube (2), special-shaped short tube tube lane top cover (3); Described cross disc is tried to get to the heart of a matter (1) for taper seat, and cone bottom diameter is less than tower or bore, and the circular cone drift angle is 20～178 °; Described cross disc taper seat two the above breach (6) that evenly distribute of trying to get to the heart of a matter; Each breach connects a special-shaped short tube 2 respectively, and the special-shaped short tube end opening and the circular cone institute gap of trying to get to the heart of a matter join, and special-shaped short tube outer face center line points to Pan Dingceta or tube wall to become 0～75 ° of inclination angle with horizontal line; Described top cover 3 is located between adjacent two special-shaped short tubes sidewall suitable for reading, adjacent wall between adjacent two special-shaped short tubes, top cover and the taper seat of partly trying to get to the heart of a matter constitute tube lane, the space curve that all special-shaped short tubes outer rim suitable for reading and top cover outer rim are formed is in the full circumferences that is projected as of tower or body cross section, and this circle diameter is equal to or slightly less than tower or internal diameter of tube body; In described cross disc dish top side, the space curve that all special-shaped short tubes the inner suitable for reading and tube lane top cover inner edge are formed is divided into two parts with tower or tube section, and the inboard is heart district, top, and the outside is the top margin district, and the ratio of two district's areas is 0.1～10; In the cross disc bottom side, the space curve that all special-shaped short tube end opening outer rims and tube lane bottom surface outer rim are formed is divided into two parts with tower or body cross section, and the inboard is the Di Xin district, and the outside is the base district, and the ratio of two district's areas is 0.1～10; Intercept He Dingxin district, Di Xin district at the bottom of the cross disc, special-shaped short tube outer face and tube lane top cover intercept He Dingxin district, Di Xin district, and all special-shaped short tubes are communicated with Di Xin district and top margin district, and all tube lanes then make He Dingxin district, base district communicate and realize that crossings on different level is mobile.
2, according to the tower of claim 1 or pipe inner member cross disc, it is characterized in that described special-shaped short tube is made up of inner face (7), outer face (8) and two sides (9), two sides are that plane, curved surface or two intersect the plane, inner face is that curved surface or two intersects the plane, an or directly crossing straight line or the curve of being condensed in two sides, the outer face is that curved surface or two intersects plane, the more inner face width in outer face.
3, according to the tower or the pipe inner member cross disc of claim 1, it is characterized in that described circular cone cone bottom diameter is tower or internal diameter of tube body 0.25～0.9.
4,, it is characterized in that the part of described special-shaped short tube tube lane bottom surface is tried to get to the heart of a matter taper seat for descending concave curved surface according to the tower or the pipe inner member cross disc of claim 1.
5, according to the tower of claim 1 or pipe inner member cross disc, it is characterized in that being provided with in the described circular cone top of trying to get to the heart of a matter a drift angle and be 40～178 ° inversion conicle 4, institute's gap is tangent bottom conicle bottom and the cross disc taper seat.
6, according to the tower or the pipe inner member cross disc of claim 1, it is characterized in that being provided with in described special-shaped short tube and the tube lane orifice plate or net, filler (5).
7, according to the tower or the pipe inner member cross disc of claim 1, it is characterized in that being used to make the reaction tower that highly viscous fluid heat exchanger, melt pipe static mixer, screw extruder outlet temperature homogenizer and needs keep the material piston-type to flow.
8,, it is characterized in that being used to make that solid-liquid or solid-gas is chemical reaction or mass transfer operation tower according to claim 1,5 tower or pipe inner member cross disc.
9,, it is characterized in that being used to make liquid-liquid extraction, liquid-chemistry reaction or mass transfer operation tower according to claim 1,5,6 tower or pipe inner member cross disc.
10, according to the tower or the pipe inner member cross disc of claim 1, it is characterized in that the special-shaped short tube and the interior device of the special-shaped short tube tube lane catalyst of described cross disc, become fixed bed reactors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01100022 CN1123377C (en) | 2001-01-02 | 2001-01-02 | Crossing tray for structural members in space of tower and tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01100022 CN1123377C (en) | 2001-01-02 | 2001-01-02 | Crossing tray for structural members in space of tower and tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1305859A true CN1305859A (en) | 2001-08-01 |
| CN1123377C CN1123377C (en) | 2003-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01100022 Expired - Fee Related CN1123377C (en) | 2001-01-02 | 2001-01-02 | Crossing tray for structural members in space of tower and tube |
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| Country | Link |
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| CN (1) | CN1123377C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005042138A1 (en) * | 2003-09-05 | 2005-05-12 | Zhaoyan Liu | Crossing tray for members inside the tube, cylinder or tower |
| CN105233525A (en) * | 2015-10-20 | 2016-01-13 | 北京三联虹普新合纤技术服务股份有限公司 | Umbrella-shaped distribution component favorable for flowing of particles in extraction tower of nylon 6 |
| CN108295497A (en) * | 2018-04-08 | 2018-07-20 | 合润科技有限公司 | A kind of rectifying tower plates preparing polyalphaolefin |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2001
- 2001-01-02 CN CN 01100022 patent/CN1123377C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005042138A1 (en) * | 2003-09-05 | 2005-05-12 | Zhaoyan Liu | Crossing tray for members inside the tube, cylinder or tower |
| CN105233525A (en) * | 2015-10-20 | 2016-01-13 | 北京三联虹普新合纤技术服务股份有限公司 | Umbrella-shaped distribution component favorable for flowing of particles in extraction tower of nylon 6 |
| CN105233525B (en) * | 2015-10-20 | 2017-09-26 | 北京三联虹普新合纤技术服务股份有限公司 | A kind of umbrella shape allocation member for being conducive to particle flow in the extraction tower of nylon 6 |
| CN108295497A (en) * | 2018-04-08 | 2018-07-20 | 合润科技有限公司 | A kind of rectifying tower plates preparing polyalphaolefin |
| CN108295497B (en) * | 2018-04-08 | 2023-12-15 | 合润科技有限公司 | Rectifying column tray for preparing poly alpha olefin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1123377C (en) | 2003-10-08 |
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