CN202506295U - Liquid distribution device for rotation packed bed - Google Patents
Liquid distribution device for rotation packed bed Download PDFInfo
- Publication number
- CN202506295U CN202506295U CN2011204883782U CN201120488378U CN202506295U CN 202506295 U CN202506295 U CN 202506295U CN 2011204883782 U CN2011204883782 U CN 2011204883782U CN 201120488378 U CN201120488378 U CN 201120488378U CN 202506295 U CN202506295 U CN 202506295U
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- liquid
- packed bed
- liquid distribution
- rotary packed
- distribution trough
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Abstract
The utility model relates to a liquid distribution device installed in a rotation packed bed, in particular to a liquid distribution device which can lead liquid to be radially, axially and uniformly distributed in an inner edge face of packing and is used for the rotation packed bed. The liquid distribution device solves the problems of lower liquid processing capability and uneven liquid distribution existing in the liquid distribution device used in the rotation packed bed, and comprises a lower disk and a corrugated cylinder, wherein the corrugated cylinder is positioned on the lower disk and is formed by connecting a plurality of corrugated units in parallel, liquid baffle plates are arranged at the top of the corrugated units, liquid outlet holes are formed on the corrugated units and are positioned below the liquid baffle plates, concentric annular diversion grooves and radial diversion grooves which are radially distributed are arranged on the lower disk, and the radial diversion grooves correspond to the corrugated units. The liquid distribution device is simple in structure, has high liquid processing capability, can be processed by using metal, plastic or high polymer material, can be applied to a single-stage rotation packed bed, and also can be applied to a multi-stage rotation packed bed.
Description
Technical field
The utility model relates to a kind of liquid distribution trough that is installed in rotary packed bed, is specially a kind of liquid that can make at the radial and axial equal rotary packed bed liquid distribution trough of using that can be evenly distributed on the filler inner edge surface.
Background technology
Rotary packed bed is that a kind of centrifugal force field novel, that utilize the filler rotation to produce is strengthened the equipment that transmits with reaction.The occasions such as preparation that can be widely used in rectifying, absorption, chemical reaction and the nano material of industries such as oil, chemical industry, pharmacy, fiery explosive.
Rotary packed bed basic structure comprises liquid distribution trough and filler two parts; Basic functional principle is: liquid at first is sprayed at the filler inner edge surface through liquid distribution trough, and the centrifugal force that utilizes the filler rotation to produce then makes the liquid Radial Flow, and is reverse with gas in flow process; Or in the same way; Or quality, heat transmission take place in misorientation contact, or microcosmic mixes, or chemical reaction.
In rotary packed bed, gas is continuous phase, and liquid is discontinuous phase, and therefore, can liquid evenly distribute in filler, directly influences rotary packed bed three biographies, one anti-performance.The filler of rotary packed bed common employing has filler specials such as ripple silk net filler, net metal filler, metal foam, Raschig ring or porous corrugated plating; Filler is except the place that gas, liquid contact are provided; Can not solve the equally distributed problem of liquid; Therefore, liquid is that can liquid equally distributed key in filler at the even distributivity of filler inner edge surface.Liquid is that the effect of liquid body distributor is sprayed at the filler inner edge surface; The quality of the structural design of liquid distribution trough; Influence the even distribution performance of liquid at the filler inner edge surface; That is to say that can liquid distribution trough evenly distribute to liquid and play crucial effects, is rotary packed bed core part in filler.
In rotary packed bed (in establish one deck filler); Liquid distribution trough is generally the tubular structure on the feed tube that is arranged on the equipment lumen centers, like the method (Fig. 2) of the centrifugal gas-liquid contact apparatus of the disclosed patent US4382900 of the early stage U.S. (Fig. 1), Chinese disclosed patent CN1507940 catalytic reaction, CN101254355 is plane material otter board stuffing type cross flow type hypergravity swinging bed and use (Fig. 3), CN1116125 extra gravity field device of cross current rotary bed (Fig. 4) and the rotary liquid-feeding rotating bed device of CN1060415 (Fig. 5).
Wherein, Fig. 1, the liquid distribution trough in rotary packed bed shown in Figure 2 are actionless, and liquid distribution trough shown among Fig. 3, Fig. 4, Fig. 5 is for rotating with filler.Bigger relative motion takes place for the liquid that from liquid distribution trough, sprays with filler in the advantage of Fig. 1, liquid distribution trough shown in Figure 2, at filler inner edge difference axial heights place, circumferentially can evenly be distributed; But axially; Liquid relies on the position and the quantity decision of perforate on the distributor, and the pressure that liquid receives in distributor diverse location place is different, and liquid ejection flow velocity is different; Flow is also different, axially can not get even distribution.
Fig. 3, Fig. 4 and Fig. 5 are just in time opposite with Fig. 1, Fig. 2; Because distributor and the rotation of filler synchronous high-speed; Thereby make liquid obtain bigger centrifugal force, the uniformity of fluid flow is improved on the axial different apertures, but because relative motion does not take place for distributor and filler; Make the circumferential degree of wetting of filler inner edge surface receive the circumferential number of aperture quantitative limitation of distributor; Distributor circumferentially has several apertures, and the filler inner edge circumferentially just produces corresponding several liquid points that receive, and circumferentially evenly distributivity descends greatly.Simultaneously, the aforesaid liquid distributor also exist treating capacity little with can only be used for the rotary packed bed defective of single-stage.
For increasing liquid flux, China discloses high-gravity rotating bed (Fig. 6) of patent CN101898047A tep reel tubular type rotary liquid distributor and high-gravity rotating bed (Fig. 7) of CN201752587U band multi-layer cylinder formula rotary liquid distributor in succession.Fig. 6 says that from structure liquid circumferentially distributes and is greatly enhanced, but says from the liquid flow angle of mechanics; The axial distribution of liquid has embodied inhomogeneities, and in the arm dead ahead, liquid is because the effect of inertia ejection is more; And at the arm upper and lower, it is less then to spray liquid.In like manner, shown in Figure 7 theoretically, fluid hole is more in the liquid distribution trough, and successively liquid is distributed, but the deficiency that exists is that the liquid flow randomness is bigger, does not have rule, and it is even to be difficult to control.
Summary of the invention
The utility model provides for little, the liquid distribution problem of non-uniform of liquid handling amount that the liquid distribution trough that solves existing rotary packed bed use exists
OnePlant the rotary packed bed liquid distribution trough of using.
The utility model is realized that by following technical scheme a kind of rotary packed bed liquid distribution trough of using comprises lower disc, bellows; Bellows is positioned on the lower disc, and the structure of bellows is connected to form by some ripples unit side by side, is provided with the blocking solution plate at top, ripple unit; On the ripple unit, be provided with fluid hole; Fluid hole is positioned at blocking solution plate below, on lower disc, is provided with concentric annular diversion trench and radially-arranged radial guiding gutter, and radial guiding gutter and ripple unit are corresponding.
Described ripple unit is stepped arrangement, the highly gradient of described blocking solution plate, described fluid hole and lower disc apart from gradual change, be provided with rotating shaft at lower disc middle part.Described fluid hole is positioned at blocking solution plate below, and described ripple unit is a semicircular cylinder, rectangular channel, and dovetail groove, shapes such as wedge-shaped slot couple together the formation corrugated continuously.
It is the core component of distributor that the overall structure of the utility model has adopted bellows.The lower disc of liquid distribution trough also is the lower disc of rotary packed bed fixedly filler, and liquid distribution trough and filler rotate synchronously.Liquid flows on the lower disc from inlet, under the effect of gravity, at first be full of concentric ring to diversion groove and radial diversion groove, reach and be evenly distributed on the lower disc.Then, liquid under action of centrifugal force, the diversion groove that distributes along radial radiation evenly to around throw away; And flow to the place, ripple unit of bellows; Receive the barrier effect of ripple unit, the compelled direction that changes of liquid, upwards mobile along each ripple cell-wall of bellows; The blocking solution plate that is located at top, ripple unit changes the flow direction of liquid once more, makes liquid pass through fluid hole and radially discharges.Form steppedly owing to the distribution height that is arranged on the fluid hole on the bellows sidewall does not wait, and fluid hole quantity is more, so liquid is axially obtaining even distribution.Landing point is evenly distributed on the liquid arrival filler thereby make.
The structural design of the utility model make liquid in liquid distribution trough standard flow path; Good circumferential, axial distribution have been formed; Make liquid can evenly be sprayed at the filler inner edge surface; Can effectively improve the even distributivity of liquid in filler, strengthen the transmission and the reaction effect of filler, and then improve three biographies, the one anti-performance of equipment greatly.Treating capacity is big, and is applied widely, can make liquid in liquid distributor, form the liquid distribution trough that good initial circumferential and axial distribute.
The utility model is simple in structure, and the liquid handling amount is big, available metal, plastics or processing of high molecular material, and it is rotary packed bed to can be applicable to single-stage, also can be used for multistage rotary packed bed.The occasions such as preparation that can be widely used in rectifying, absorption, chemical reaction and the nano material of industries such as oil, chemical industry, pharmacy, fiery explosive.
Description of drawings
Fig. 1-7 is the structural representation of existing liquid distribution trough
Fig. 8 is the three-dimensional structure diagram of the utility model
Fig. 9 is the expanded view of the utility model
The vertical view of Figure 10 the utility model
Figure 11 is the profile of Figure 10
Figure 12 is the said rotary packed bed application in distillation operation with liquid distribution trough of the utility model
Figure 13 is the said rotary packed bed application in absorbing operation (gas purification) with liquid distribution trough of the utility model
Among the figure: 1-rotating shaft, 2-lower disc, 3-bellows, 4-fluid hole, the radial guiding gutter of 5-, 6-annular diversion trench; 7-blocking solution plate, 8-movable sealing, 9-bubbling area, 10-filler, 11-liquid-inlet, 12-liquid outlet; The 13-gas feed, 14-gas vent, 15-housing, the last disc of 16-, 17, the 18-condenser, 19-electromagnetic heater; 20-hypergravity device, 21-buffering and raw material tank, 22-product groove, 23-rich solution groove, the 24-hopper of regenerating.
The specific embodiment
A kind of rotary packed bed liquid distribution trough of using, meaning as shown in Figure 8 comprises lower disc 2, bellows 3; Bellows 3 is positioned at lower disc 2 upsides, and the structure of bellows 3 is connected to form by some ripples unit side by side, is provided with blocking solution plate 7 at top, ripple unit; On the ripple unit, be provided with fluid hole 4; Fluid hole position 4 is provided with concentric annular diversion trench 6 and radially-arranged radial guiding gutter 5 in blocking solution plate 7 belows on lower disc 2, radial guiding gutter 5 is corresponding with the ripple unit.Radial guiding gutter 5 generally is deep in the ripple unit, so that the inwall of flow of liquid afferent echo line unit, the inner chamber of bellows 3 (or gap of bellows 3 and rotating shaft 1) is a liquid-inlet.
Meaning as shown in Figure 9, the ripple unit of described bellows 3 is stepped arrangement, described ripple unit is a semicircular cylinder, rectangular channel, dovetail groove, shapes such as wedge-shaped slot couple together the formation corrugated continuously.
The height of described blocking solution plate 7 is stepped arrangement; Described fluid hole 4 is stepped arrangement with the distance of lower disc 2, like Figure 10, and 11 signals; Be provided with rotating shaft 1 at lower disc 2 middle parts; Annular diversion trench 6 is generally 1~5, and it is fixed that its quantity is come according to the liquid handling amount, and treating capacity is bigger just need be many more.
The quantity of radial guiding gutter 5 does
(diameter of bellows does
D, the diameter of each ripple unit be (
d), generally greater than 15, the groove number is many more, and liquid is circumferential and radially-arranged even more at the filler inner edge surface.
The diameter of fluid hole 4 (
d 0 ) be 1~3
Mm, the diameter of fluid hole (4) (
d 0 ) can adjust according to the liquid handling amount.
Each ripple cell width or diameter are 10~20
MmThe stepped discrepancy in elevation of bellows 3 is 0.01-0.3m.
(1) one of design example of liquid distribution trough,
Adopt the described rotary packed bed liquid distribution trough of using of the utility model, can establish the filler axial height
H=0.050
m, the diameter of liquid distribution trough
D=0.118
m, the rotating shaft diameter does
D 0 =0.060
m, each ripple of bellows is semicircle shape, the semicircle diameter
d=0.018
m, then in bellows, have
n=17 ripples that are semicircle shape, the adjacent trough difference in height of ripple (
) be ± 10
Mm, the height of each ripple
h i As shown in table 1, difference in height is 0.1m, forms stepped side by side:
The height of each ripple in table 1 bellows
h i
H 1 | h 2 | h 3 | h 4 | h 5 | h 6 | h 7 | h 8 | h 9 |
0.008 m | 0.018 m | 0.028 m | 0.038 m | 0.042 m | 0.032 m | 0.022 m | 0.012 m | 0.010 m |
h 10 | h 11 | h 12 | h 13 | h 14 | h 15 | h 16 | h 17 | |
0.020 m | 0.030 m | 0.040 m | 0.045 m | 0.035 m | 0.025 | 0.015 m | 0.005 m |
When the liquid distribution trough rotating speed does
N=800
R/min, by formula
If liquid distribution trough fluid hole diameter d=0.003m can be by formula
Drawing the manageable liquid measure of this liquid distribution trough does
L=1.82
m 3 / h
(2) through engineering approaches is used
The utility model is simple in structure, and the liquid handling amount is big, available metal, plastics or processing of high molecular material, and it is rotary packed bed to can be applicable to single-stage, also can be used for multistage rotary packed bed.The occasions such as preparation that can be widely used in rectifying, absorption, chemical reaction and the nano material of industries such as oil, chemical industry, pharmacy, fiery explosive.Below be two concrete application examples of rectifying and absorption:
Application example 1: in rectification cell operation, the utility model can be installed in multistage rotary packed bed in, realize that continuous rectification operates in singlely to accomplish in rotary packed bed.Shown in figure 12, raw material gets into multistage rotary packed bed liquid distribution trough from material inlet after the spinner flowmeter metering under the effect of pump; Liquid flows on the lower disc from inlet; Under centrifugal action, outwards throw away, in this process, liquid at first soaks in the concentric groove on the full lower disc; Then along the radial radiation grooves distributed evenly to around distribute; The liquid of radius flow receives the compelled flow direction that changes of effect of bellows fast, and is upwards mobile along each ripple trough of bellows, discharges with the form of drop, liquid film, brin from the fluid hole that is located at the top at last; Because it is stepped to be arranged on being scattered in of aperture on the bellows, so the liquid of fluid hole can evenly be sprayed at the filler inner edge surface.In filler, liquid contacts with back flow of gas and carries out mass-and heat-transfer.Leave of the liquid outlet outflow of the liquid of filler, get into reboiler from multistage rotary packed bed bottom.Liquid in the reboiler is partly drawn, and part produces steam through heating, and steam gets into multistage rotary packed bed from gas feed, under pressure, and under pressure from outside to inside through the upper strata filler.Gas vent from multistage rotary packed bed top gets into condenser then.Partially liq in the condenser turns back to the multistage rotation stuffing-box bed from the phegma import as phegma, and all the other are drawn as product.
Application example 2: with the gas purification is example, as shown in figure 13, in absorptive unit operation, the utility model can based on gas cleaning require to be installed in one or more levels rotary packed bed in, can realize first class purification, or multistage purification.Unstripped gas (gas to be clean) gets into rotary packed bed exocoel from rotary packed 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 rotary packed bed gas vent through purified gas.Absorption liquid gets into the inner chamber of liquid distribution trough from rotary packed bed inlet; And flow on the lower disc, under centrifugal action, outwards flow, in this process; Liquid at first soaks in the concentric groove on the full lower disc; Then along the radial radiation grooves distributed evenly to around distribute, the liquid of radius flow receives the compelled flow direction that changes of effect of bellows fast, upwards flows along each ripple trough of bellows; Discharge with the form of drop, liquid film, brin from the fluid hole that is located at the top at last; Because it is stepped to be arranged on being scattered in of aperture on the bellows,, carry out mass transfer with the gas of adverse current so the liquid of fluid hole can evenly be sprayed at the filler inner edge surface.Leave of the liquid outlet outflow of the liquid of filler, get into rotary packed bed regeneration of regeneration from rotary packed bed bottom.Liquid after the regeneration recycles.
Claims (10)
1. rotary packed bed liquid distribution trough of using; It is characterized in that: comprise lower disc (2), bellows (3); Bellows (3) is positioned at lower disc (2) upside, and the structure of bellows (3) is connected to form by some ripples unit side by side, is provided with blocking solution plate (7) at top, ripple unit; On the ripple unit, be provided with fluid hole (4); Fluid hole (4) is positioned at blocking solution plate (7) below, on lower disc (2), is provided with concentric annular diversion trench (6) and radially-arranged radial guiding gutter (5), and radial guiding gutter (5) and ripple unit are corresponding.
2. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: described ripple unit is a semicircular cylinder, rectangular channel, dovetail groove, wedge-shaped slot.
3. the rotary packed bed liquid distribution trough of using according to claim 1 and 2 is characterized in that: the described ripple unit of described bellows (3) is stepped arrangement.
4. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: the height of described blocking solution plate (7) is stepped arrangement.
5. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: described fluid hole (4) is stepped arrangement with the distance of lower disc (2).
6. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: be provided with rotating shaft (1) at lower disc (2) middle part.
7. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: annular diversion trench (6) is generally 1~5, and the quantity of radial guiding gutter (5) is greater than 15.
8. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: the diameter of fluid hole (4) is 1~3
Mm
9. the rotary packed bed liquid distribution trough of using according to claim 1 is characterized in that: each ripple cell width or diameter are 10~20
Mm
10. the rotary packed bed liquid distribution trough of using according to claim 1 and 2 is characterized in that: the stepped discrepancy in elevation of bellows (3) is 0.01-0.3m.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204883782U CN202506295U (en) | 2011-11-30 | 2011-11-30 | Liquid distribution device for rotation packed bed |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011204883782U CN202506295U (en) | 2011-11-30 | 2011-11-30 | Liquid distribution device for rotation packed bed |
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Publication Number | Publication Date |
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CN2011204883782U Expired - Fee Related CN202506295U (en) | 2011-11-30 | 2011-11-30 | Liquid distribution device for rotation packed bed |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102512913A (en) * | 2011-11-30 | 2012-06-27 | 中北大学 | Liquid distributor for rotary filling bed |
CN105836694A (en) * | 2015-01-15 | 2016-08-10 | 深圳市华方旭科技有限公司 | Liquid injection production line, liquid injection mechanism, and liquid injection assembly thereof |
-
2011
- 2011-11-30 CN CN2011204883782U patent/CN202506295U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102512913A (en) * | 2011-11-30 | 2012-06-27 | 中北大学 | Liquid distributor for rotary filling bed |
CN102512913B (en) * | 2011-11-30 | 2013-11-20 | 中北大学 | Liquid distributor for rotary filling bed |
CN105836694A (en) * | 2015-01-15 | 2016-08-10 | 深圳市华方旭科技有限公司 | Liquid injection production line, liquid injection mechanism, and liquid injection assembly thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20131130 |