CN101648129B - Threaded pipe thread spool arranged-type packing - Google Patents
Threaded pipe thread spool arranged-type packing Download PDFInfo
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- CN101648129B CN101648129B CN2009100752623A CN200910075262A CN101648129B CN 101648129 B CN101648129 B CN 101648129B CN 2009100752623 A CN2009100752623 A CN 2009100752623A CN 200910075262 A CN200910075262 A CN 200910075262A CN 101648129 B CN101648129 B CN 101648129B
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Abstract
The invention relates to an arranged-type packing for strengthening transfer and reaction of a super-gravity field arranged in a revolving bed, in particular to a threaded pipe thread spool arranged-type packing, aiming to solve the problem of uneven flowing distribution of liquid in the packing, small contact area of gas-liquid, short time, and poor mixture separation (or purification) effect and the like caused by the imperfect structure design and the like of the existing revolving bed packing. The arranged-type packing comprises a circular cylinder, an upper disc sheet and a lower disc sheet, wherein the upper disc sheet and the lower disc sheet are arranged at the two ends of the circular cylinder, and a round hole is arranged in the centre of the upper disc sheet. The arranged-type packing is characterized in that the lower disc sheet is provided with a plurality of liquid distributing pipes around the circular cylinder, a pipe opening of any one of the liquid distributing pipes is communicated into the circular cylinder, and the liquid distributing pipes are spirally and circularly arranged along the periphery of the circular cylinder. The invention improves space utilization ratio of the revolving bed packing, normalizes a flowing path of the fluid in the packing, prolongs the flowing distance and the flowing time of the fluid in the packing, and improves the distribution evenness of the fluid in the packing and the transfer and reaction effect of an apparatus.
Description
Technical field
The present invention relates to a kind of super gravity field reinforcement transmission that is installed in the revolving bed and use structured packing, be specially a kind of threaded pipe thread spool arranged-type packing with reaction.
Background technology
Revolving bed is that a kind of novel centrifugal force field of utilizing the filler rotation to produce is strengthened the equipment that transmits with reaction.Revolving bed is as a kind of gas-liquid phase adverse current or also flow the efficient process intensification mass-and heat-transfer equipment that contacts, and can be widely used in the occasions such as preparation of rectifying, absorption, desorb, chemical reaction and the nano material of industries such as petrochemical industry, pharmacy, fiery explosive.
In revolving bed, basic principle is that the centrifugal force that utilizes rotation to produce makes the liquid Radial Flow, and reverse with gas or contact in the same way and take place to transmit or react at flow process, its core texture is the structural design of filler in the revolving bed.Fluid receives centrifugal force and function of friction in rotary packed bed, make boundary big, and renewal speed is fast; The gas-liquid microcosmic mixes strong; Mass transfer, heat transfer coefficient height or reaction speed are fast, but the flowing velocity of fluid in filler is fast, the time of staying short, are useful to absorption of admixture of gas selectivity or nano material preparation; But concerning the separative efficiency of gas-gas or liquid-liquid mixture, difficulty reaches desirable requirement.Therefore, in the limited space of revolving bed, exploitation can make full use of the device space, improves fluid filler of the time of staying in equipment and has important use and be worth.So the structure of filler plays crucial effects to transmission or reaction effect.
The scientific worker has carried out a large amount of work aspect the research and development of filler; The time of contact of the contact area of rational filler design can effectively raising vapour, liquid and prolongation vapour, liquid etc.; Play the microcosmic contact mixed effect of strengthening vapour, liquid, and then improve the separating power of equipment.As:
(1) U.S. Pat 4382900 disclosed a kind of centrifugal gas-liquid separation devices (with the ripple silk net filler), Chinese patent CN 2229833 disclosed donut thin plate filler revolving bed gas-liquid mass transfer reactors and the disclosed band of CN 201132076Y plane half tone high-gravity rotating bed.The shortcoming that the filler that uses in the above-mentioned revolving bed exists is: only utilized the radial space of revolving bed, the axial and circumferential space does not obtain utilizing.
(2) disclosed deflection of jet type revolving bed equipment in hyper gravity field of Chinese patent CN 1415396A and the disclosed fin flow guiding regular packing for distillation operation of rotary packed bed of CN201239556Y etc.Above-mentioned two kinds of fillers have utilized radial and axial space simultaneously, and circumferentially the space does not obtain utilizing;
(3) the disclosed a kind of hypergravity mass transfer apparatus of Chinese patent CN 101013003A and disclosed eddy-current ultragravitational field reactor of CN1269256A and application thereof.Above-mentioned filler has utilized radially and circumferential space simultaneously, and axial space is not applied.
Summary of the invention
Liquid flow distribution in filler that the present invention causes in order to solve problem such as design imperfection on the existing revolving bed filling-material structure inhomogeneous little with the gas-liquid contact area, the time short; Situation such as mixture separation (or purification) weak effect; And proposed a kind of make full use of revolving bed radially, the axial and circumferential space, the threaded pipe thread spool arranged-type packing of constrain fluids flow behavior.
The present invention is realized by following technical scheme; A kind of threaded pipe thread spool arranged-type packing comprises cylinder, is positioned at last disc, the lower disc at cylinder two ends; Last disc center has circular hole; It is characterized in that: be provided with some liquid distributors in the lower disc upper edge around the cylinder, communicate in the mouth of pipe of any liquid distributor and the cylinder, liquid distributor is along the setting of detouring of cylinder periphery spiral.
Liquid distributor along the cylinder periphery spiral mode that is provided with that detours is: single liquid distributor is continuous, between lower disc and last disc, comes and goes spiral surrounding in the same way.Its concrete operations mode is, single liquid distributor twines along cylinder spiral, rises to behind the disc down folding and continue spiral along same direction to twine, and reaches lower disc and upwards twines, so repeatedly up to the requirement of length that reaches design or thickness.
Overall structure of the present invention is cylindric, and lower disc is rotation together under the drive of axle, makes to have centrifugal force field in the filler.It is inboard that liquid gets into filler from last disc central hole, gets into all liquid distributors through cylinder, flows (screw type) with " S " type along liquid distributor then, and integral body outwards flows through whole filler with " N " type from the filler inboard then.The effect that liquid is twined by action of centrifugal force and liquid distributor spiral in liquid distributor, the liquid film of formation thinner thickness in tubule.The liquid distributor port gets into liquid distributor (filler to gas from the filler outside; Gas-liquid is a counter current contacting); Or gas gets into liquid distributor (filler from the inboard liquid distributor port of filler; Gas-liquid is and stream contact), gas is full of the whole cavity of liquid distributor, under the effect of pressure with " S-N " type from filler one effluent to opposite side.As shown in Figure 3.
The present invention has improved the space availability ratio of revolving bed filler, standard the flow path of fluid in filler, prolonged distance of flow and the time of fluid in filler, improved the uniformity that fluid distributes and the transmission and the reaction effect of equipment in filler.The present invention can be widely used in the occasions such as preparation of rectifying, absorption, desorb, chemical reaction and the nano material of industries such as petrochemical industry, pharmacy, fiery explosive.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention
Fig. 2 combines the internal structure sketch map (profile) of revolving bed for the present invention
Fig. 3 is the structure expanded view of individual layer liquid distributor
Fig. 4 is the application of revolving bed in distillation operation of threaded pipe thread spool arranged-type packing according to the invention
Fig. 5 is the application of revolving bed in absorbing operation (gas purification) of threaded pipe thread spool arranged-type packing according to the invention
Among the figure: the last disc of 1-, 2-cylinder, 3-liquid distributor, 4-lower disc, 5-rotating shaft, 6-liquid-inlet, 7-gas vent, 8-gas feed, 9-liquid outlet, the multistage revolving bed of 10-, 11-condenser, 12-raw material storage tank, 13-pump, 14-reboiler, 15-heat exchanger, 16-pump, 17-product jar, 18-regeneration revolving bed, 19-first class purification absorbent bed, 20-rich solution groove, 21-pump, 22-regenerated liquid storage tank, 23-pump
The specific embodiment
Like Fig. 1,2,3 signals; A kind of threaded pipe thread spool arranged-type packing comprises cylinder 2, is positioned at last disc 1, the lower disc 4 at cylinder 2 two ends; Last disc 1 center has circular hole; It is characterized in that: around lower disc 4 upper edge cylinders 2, be provided with some liquid distributors 3, communicate in the mouth of pipe of any liquid distributor 3 and the cylinder 2, liquid distributor 3 is along the setting of detouring of cylinder 2 periphery spirals.
Liquid distributor along the cylinder periphery spiral mode that is provided with that detours is: single liquid distributor is continuous, between lower disc and last disc, comes and goes spiral surrounding in the same way.
Its concrete operations mode is; Single liquid distributor (diameter is generally 5-10mm) is pressed shape of threads spiral winding from bottom to top clockwise with certain angle of inclination (θ) along cylinder; For example, angle of inclination (θ) is the distance (h) and filler inner radius girth (2 π R between last disc and the lower disc
1) ratio, that is, pitch is the distance between the upper and lower disc.When liquid distributor winds with one circuit, just in time contact then, outwards turn over turnback downwards after rising to disc with last disc; And along the winding of same direction continuation spiral; Reach lower disc and upwards twine again, twine from inside to outside so successively, up to the outer radius of disc.The quantity of liquid distributor (n) be the ratio of distance (h) and liquid distributor diameter (d) between the upper and lower disc of filler again divided by cos θ, i.e. n=h/ (d cos θ).The liquid distributor mouth of pipe is provided with certain chamfering; As the communicate interface of liquid distributor with cylinder, be specially: the liquid distributor mouth of pipe outside, the inboard place of filler closely contacts with lower disc, and the liquid distributor mouth of pipe is inboard to leave certain distance with lower disc; Specifically fixed according to fluid flow, be generally about 10-15mm.On the contrary, the filler outside liquid distributor mouth of pipe is inboard closely to be contacted with last disc or lower disc, and certain distance is left with last disc or lower disc in the liquid distributor mouth of pipe outside, and a dish is no more than 15mm.
The present invention utilizes the spool-like of tubule to twine, and fluid " S-N " type with complicacy in cylindric filler is flowed, and the space availability ratio of filler is improved; And under the prerequisite that does not change thickness of liquid film, standard the flow path of fluid in filler, improved the uniformity that fluid distributes in filler; Increased alternate contact area; Prolong distance of flow and the time of fluid in filler, strengthened the transmission and the reaction effect of filler, and then improved the performance of equipment greatly.
Be embodied in: be that 60mm, external diameter are that 110mm, axial height (upper lower burrs distance between commutator segments) are benchmark for the rotor of 30mm with the internal diameter; The flow through distance of liquid in ripple silk net filler, fin flow guiding plate filler and the present invention compared, and the result is as shown in table 1.Can know that by table 1 when hypergravity rectifying device internal rotor was measure-alike, the distance that liquid is flowed through was followed successively by in four kinds of fillers: ripple silk net filler＜fin flow guiding plate filler＜spiral bobbin type filler.That is to say that liquid is through the corresponding increase of the time of staying of above-mentioned three kinds of fillers, the separating power of three kinds of fillers also should corresponding improve.
The flow through distance of table 1 liquid in filler
Below be application example of the present invention:
Application example 1: in the rectification cell operation, the present invention can be installed in the multistage revolving bed, realizes the continuous rectification operation.As shown in Figure 4.Raw material in the raw material storage tank 12 gets into multistage revolving bed 10 from material inlet after the spinner flowmeter metering under the effect of pump 13, flow into the inner chamber of multistage revolving bed through the deflector of equipment cavity.Receive the inboard of action of centrifugal force to flow to the outside along " S-N " type route from threaded pipe thread spool arranged-type packing.Receive centrifugal force and function of friction to form liquid film, brin and drop, carry out mass-and heat-transfer with the gas of adverse current.Leave of the liquid outlet outflow of the liquid of filler, get into reboiler 14 from multistage revolving bed bottom.Liquid in the reboiler 14 is partly drawn; Part produces steam through heating; Steam gets into multistage revolving bed 10 from gas feed again, under pressure, gets into inboard from the revolving bed underfilling outside; Longshore current body deflector rises to the outside of last layer filler then, under pressure from outside to inside through the upper strata filler.Gas vent from multistage revolving bed top gets into condenser 11 then.Partially liq in the condenser 11 turns back to the multistage revolving bed from the phegma import as phegma, and all the other are drawn as product.
Application example 2: in the absorptive unit operation (is example with the gas purification), the present invention can require to be installed in one or more levels revolving bed according to gas cleaning, can realize first class purification (as shown in Figure 5) or multistage purification.Unstripped gas (gas to be clean) gets into first class purification revolving bed 19 exocoels from the revolving bed inlet, under pressure, gets into inboard from the rotation filler outside; In filler; Gas and absorption liquid counter current contacting are carried out mass transfer and are purified, and discharge from the gas vent of revolving bed through purified gas.Liquid distribution pipe gets into revolving bed to absorption liquid from the revolving bed center, receives the inboard of action of centrifugal force along " S-N " type route from threaded pipe thread spool arranged-type packing to flow to the outside.Receive centrifugal force and function of friction to form liquid film, brin and drop, carry out mass transfer with the gas of adverse current.Leave of the liquid outlet outflow of the rich solution of filler, get into regeneration revolving beds 18 through rich solution groove 20 and pump 21 again and regenerate from the revolving bed bottom.Liquid after the regeneration recycles.
Claims (1)
1. threaded pipe thread spool arranged-type packing; Comprise cylinder (2); Be positioned at last disc (1), the lower disc (4) at cylinder (2) two ends, last disc (1) center has circular hole, it is characterized in that: be provided with some liquid distributors (3) on every side at lower disc (4) upper edge cylinder (2); Communicate in the mouth of pipe of any liquid distributor (3) and the cylinder (2), liquid distributor (3) is along the setting of detouring of cylinder (2) periphery spiral; Liquid distributor along the cylinder periphery spiral mode that is provided with that detours is: single liquid distributor (3) is continuous; Between lower disc (4) and last disc (1), come and go spiral surrounding in the same way; Be that single liquid distributor (3) twines along cylinder (2) spiral; Rise to behind the disc down folding and continue spiral and twine, reach lower disc and upwards twine again, so repeatedly along same direction; It is inboard that liquid gets into filler from last disc (1) central hole, gets into liquid distributor (3) through cylinder (2), and the liquid distributor port gets into liquid distributor (3) to gas from the filler outside, or gas gets into liquid distributor (3) from the inboard liquid distributor port of filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100752623A CN101648129B (en) | 2009-08-27 | 2009-08-27 | Threaded pipe thread spool arranged-type packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100752623A CN101648129B (en) | 2009-08-27 | 2009-08-27 | Threaded pipe thread spool arranged-type packing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101648129A CN101648129A (en) | 2010-02-17 |
| CN101648129B true CN101648129B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100752623A Expired - Fee Related CN101648129B (en) | 2009-08-27 | 2009-08-27 | Threaded pipe thread spool arranged-type packing |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110251776A (en) * | 2019-07-05 | 2019-09-20 | 联众智慧科技股份有限公司 | A kind of nurse station alarm management system |
| CN114682159B (en) * | 2020-12-28 | 2023-02-10 | 北京化工大学 | Liquid self-accelerating multistage hypergravity device and application |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382900A (en) * | 1980-09-01 | 1983-05-10 | Imperial Chemical Industries Plc | Centrifugal gas-liquid contact apparatus |
| CN1156639A (en) * | 1995-06-09 | 1997-08-13 | 华南理工大学 | Scraped agitated film gas-liquid mass transfer reactor |
| US5916531A (en) * | 1997-04-29 | 1999-06-29 | Pan; Chuen Yong | Spiral fixed-bed module for adsorber and catalytic reactor |
| CN1425493A (en) * | 2002-12-26 | 2003-06-25 | 华北工学院 | Impact flow-rotary filler bed device and using method |
| CN101342477A (en) * | 2008-08-14 | 2009-01-14 | 中北大学 | Fin flow guiding regular packing for distillation operation of rotary packed bed |
| CN201454539U (en) * | 2009-08-27 | 2010-05-12 | 中北大学 | Shaft-type regular filler of threaded pipe |
-
2009
- 2009-08-27 CN CN2009100752623A patent/CN101648129B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382900A (en) * | 1980-09-01 | 1983-05-10 | Imperial Chemical Industries Plc | Centrifugal gas-liquid contact apparatus |
| CN1156639A (en) * | 1995-06-09 | 1997-08-13 | 华南理工大学 | Scraped agitated film gas-liquid mass transfer reactor |
| US5916531A (en) * | 1997-04-29 | 1999-06-29 | Pan; Chuen Yong | Spiral fixed-bed module for adsorber and catalytic reactor |
| CN1425493A (en) * | 2002-12-26 | 2003-06-25 | 华北工学院 | Impact flow-rotary filler bed device and using method |
| CN101342477A (en) * | 2008-08-14 | 2009-01-14 | 中北大学 | Fin flow guiding regular packing for distillation operation of rotary packed bed |
| CN201454539U (en) * | 2009-08-27 | 2010-05-12 | 中北大学 | Shaft-type regular filler of threaded pipe |
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| CN101648129A (en) | 2010-02-17 |
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