CN205055762U - Invariable passageway formula rotating packed bed mass transfer and response device - Google Patents
Invariable passageway formula rotating packed bed mass transfer and response device Download PDFInfo
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- CN205055762U CN205055762U CN201520740483.9U CN201520740483U CN205055762U CN 205055762 U CN205055762 U CN 205055762U CN 201520740483 U CN201520740483 U CN 201520740483U CN 205055762 U CN205055762 U CN 205055762U
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Abstract
The utility model belongs to a reaction, mass transfer technical field in the overweight field of force are low with mass transfer equipment filler utilization ratio for solving present hypergravity reaction, influence the mass transfer performance, the filler quantity is big, and inertia is big in the operation, is unfavorable for enlargeing and maintaining the scheduling problem of equipment, provides an invariable passageway formula rotating packed bed mass transfer and response device. The filler concentric circles ring body that filler A subtotal filler B part is constituteed in turn of serving as reasons, the partial gas -liquid circulation passageway that is of filler A comprises a plurality of six cubes, is twined by woven wire with the surface at radial direction internal surface, and all the other four planes are constituteed by the metal is dull and stereotyped, and filler in bulk is filled to inside, filler B part is the structure supporter of quadrant, and five planes are constituteed by the metal is dull and stereotyped. The gas -liquid distributes and obviously improves, and gas liquid phase mass transfer coefficient all has the improvement, reduced the cost of hypergravity equipment, inertia reduces showing, and the transmission shaft wearing and tearing condition improves, reinforces the gas -film controlling process, can be used for the gaseous absorption process of low concentration.
Description
Technical field
The utility model belongs to reaction, mass transfer technical field in super gravity field, is specifically related to the rotary packed bed mass transfer of a kind of constant channel formula and consersion unit.
Background technology
Rotary packed bed is a kind of novel mass transfer and consersion unit of utilizing high-gravity technology, has the new technology of the advantages such as mass-transfer efficiency is high, liquid flooding is low, energy consumption is low, equipment is intensive.Under hypergravity condition, gravity acceleration g is very large, two kinetic factors contacted and buoyancy factor Δ (ρ g) very large, fluid-phase is large to sliding velocity, huge shear stress overcomes surface tension, boundary is upgraded fast, and spread liquid goes out huge phase border contact surface, thus greatly strengthens mass transport process.SO in oil-field flooding deoxidation (petrochemical industry, 1994,23:807-812), waste gas
2and H
2strengthening (the Biochemical Engineering of the preparation (CN1636944) of the removing of S (CN101037630), nano material, dust removal process (CN2650859) and biochemical reaction process, 1991,122-128) etc. aspect obtained extensive investigation and application.
A large amount of open source informations shows, the rotary packed bed middle phenomenon that there is gas-liquid skewness, as shown in Figure 1.This is mainly because existing rotary packed bed gas-liquid flow area is change (CN1059105, CN1156639, CN1116125, CN101125263, CN101254355, CN1415396, CN1686591, CN101229502, CN101229503, CN101234261, CN101254356, CN101254357, CN101890250A, CN101898047A), for gas liquid counter flow type tradition rotary packed bed (CN1020036), the actual internal area of gas is a process reduced, and the sectional area of liquid is a process expanded, this change causes filler internal flow skewness.This can cause following impact: (1) filler utilization rate is low, and most filler does not occur for the mutual mass transfer of gas-liquid, reaction; (2) portion gas overflows from the space that liquid distribution inequality is formed, and affects mass-transfer performance, only can strengthen liquid phase mass transfer coefficient; (3) amount of filler is large, runs rotary inertia large, is unfavorable for amplification and the maintenance of equipment.
Summary of the invention
The utility model, in order to overcome above-mentioned the deficiencies in the prior art, provides the rotary packed bed mass transfer of a kind of constant channel formula and consersion unit.Solve the following technical barrier that the reaction of existing hypergravity exists with mass transfer apparatus: (1) filler utilization rate is low, and most filler does not occur for gas-liquid mass transfer, reaction; (2) portion gas overflows from the space that liquid distribution inequality is formed, and affects mass-transfer performance, only can strengthen liquid phase mass transfer coefficient; (3) amount of filler is large, runs rotary inertia large, is unfavorable for amplification and the maintenance of equipment.
The utility model is realized by following technical scheme: the rotary packed bed mass transfer of a kind of constant channel formula and consersion unit, comprises on housing and lays gas feed, gas vent, liquid-inlet, liquid outlet, and liquid-inlet lower end connects liquid distribution trough; Housing bottom installs motor, and machine shaft and housing connecting place arrange static seal, and machine shaft end bonding pad, establishes movable sealing between filler top and housing; Described filler is the concentric circles ring body be alternately made up of filler part A and filler part B; Filler part A is gas-liquid flow circulation passage, and be made up of some six cubes, filler part A is wound around by woven wire at radial direction inner surface and outer surface, and all the other four planes are made up of metal plate, inner filling dumped packing; Filler part B is the structural support units of segment, and five planes form by metal plate.
Described dumped packing is any one in Pall ring, Raschig ring, berl saddle, intalox saddle, metal ring intalox.The cross section of described filler part A is linked by inside and outside two circular arcs and two parallel lines and forms, and the angle theta that Inner arc two end point connecting line and adjacent straight line are formed is 45o-90o.
Compared with prior art, the utility model has following features:
(1) gas-liquid distribution obviously improves, and liquid phase mass tranfer coefficient is improved.Concrete gas liquid reaction, mass transport process mainly comprise the following steps (with reverse-flow explanation): first, after liquid enters the filler of rotation, be dispersed into rapidly little liquid by powerful centrifugal force.Then, filled drop of catching, has certain tangential velocity, and it is less than v=2 π rR (r represents radius filler, and R represents rotating speed).Because fluid passage circulation (filler part A) sectional area is unchanged, liquid hits the metal baffle of its side, the direct backwash atomization of a part of liquid, and the dumped packing be filled in filler part A is caught, and disperses further; Another part is gathered in filler part A metal baffle and is thrown out of, and the dumped packing be then filled in filler part A is caught, disperseed.Subsequently, the metal baffle of liquid and opposite side bumps against, and repeats this process always.Liquid is through repeatedly collision with wall atomization, and dispersion sheared by filler, increase the contact area between gas-liquid, liquid phase mass transfer coefficient obtains enhancing, and gas and liquid along constant cross section passage (filler part A) through filler, liquid is through repeatedly collision with wall atomization, and dispersion sheared by filler, increase the contact area between gas-liquid, liquid phase mass transfer coefficient obtains enhancing, and gas and liquid along the passage (filler part A) of constant cross section through filler, overflow the space that gas cannot be formed from liquid, reciprocation between gas-liquid strengthens, gas phase turbulence strengthens, increase gas phase mass transfer coefficient.With published rotary packed bed (CN1059105, CN1156639, CN1116125, CN101125263, CN101254355, CN1415396, CN1686591, CN101229502, CN101229503, CN101234261, CN101254356, CN101254357, CN101890250A, CN101898047A) compare under identical operating conditions, the minimum raising about 10% of liquid phase mass transfer coefficient, gas phase mass transfer coefficient is minimum improves about 26%; And a large amount of documents shows that tradition rotary packed bedly cannot improve gas phase mass transfer coefficient.
(2) dumped packing consumption is only and discloses rotary packed bed about 1/2nd.Reduce the cost of hypergravity equipment, and rotary inertia reduces significantly, power transmission shaft abrasion condition improves, and pilot scale running experiment shows, and service life extends 60%.Installation weight reduces about 45%, and power consumption reduces 30%.
(3) the utility model equipment can strengthen gas-film controlled process, may be used for the absorption process of light concentration gas.
Accompanying drawing explanation
Fig. 1 is existing rotary packed bed middle gas-liquid distribution schematic diagram; Fig. 2 is the rotary packed bed structural representation of gas and liquid flowing constant channel formula of the present utility model; Fig. 3 is the rotary packed bed structural representation of gas-liquid counter current constant channel formula of the present utility model; Fig. 4 is the front view of the utility model filling-material structure; Fig. 5 is the top view of utility model filling-material structure; Fig. 6 is gas-liquid distribution schematic diagram in filler described in the utility model.
In figure: 1-distribution of gas position; 2-liquid distribution position; 3-housing; 4-gas feed; 5-gas vent; 6-liquid-inlet; 7-liquid outlet; 8-liquid distribution trough; 9-motor; 9.1-machine shaft; 10-static seal; 11-filler; 11.1-filler part A; 11.2-filler part B; 12-movable sealing; 13-collides Fan Jian district 1; 14-collides backwash district 2; 15-collides backwash district 3; 16-collides backwash district 4.
Detailed description of the invention
A kind of rotary packed bed mass transfer of constant channel formula and consersion unit, comprise the gas feed 4 of laying on housing 3, gas vent 5, liquid-inlet 6, liquid outlet 7, and liquid-inlet 6 lower end connects liquid distribution trough 8; Install motor 9 bottom housing 3, machine shaft (9.1) and housing 3 connecting place arrange static seal 10, and machine shaft 9.1 end bonding pad 11, establishes movable sealing 12 between filler 11 top and housing 3; Described filler is the concentric circles ring body be alternately made up of filler part A 11.1 and filler part B 11.2; Filler part A 11.1 is gas-liquid flow circulation passage, and be made up of some six cubes, filler part A 11.1 is wound around by woven wire at radial direction inner surface and outer surface, and all the other four planes are made up of metal plate, inner filling dumped packing; Filler part B 11.2 is the structural support units of segment, and five planes form by metal plate.
Described dumped packing is Pall ring, Raschig ring, berl saddle, intalox saddle, the one of metal ring intalox or combination; Preferred Pall ring.The cross section of described filler part A is linked by two circular arcs and two parallel lines and forms, and the angle theta that Inner arc two end point connecting line and adjacent straight line are formed is 45o-90o.
Shown in embodiment 1: Fig. 2, a kind of gas and liquid flowing constant channel formula is rotary packed bed, and its gas feed and liquid-inlet are all located at case top, and gas vent is located at housing sidewall, and liquid outlet is located at housing bottom, gas-liquid in filler with and the mode of flowing circulate.Its mass transfer, reaction detailed process are: gas enters from gas feed, enters in the filler of rotation; Liquid enters from 1.2 liquid-inlets, enters 1.11 liquid distribution troughs, is sprayed on the filler 1.9 of rotation; Because fluid passage circulation (filler part A) sectional area is constant, liquid hits the metal baffle of its side, the direct backwash atomization of a part of liquid, and the dumped packing be filled in filler part A is caught, and disperses further; Another part is gathered in filler part A metal baffle and is thrown out of, and the dumped packing be then filled in filler part A is caught, disperseed.Subsequently, the metal baffle of liquid and opposite side bumps against, and repeats this process always.Liquid is through repeatedly collision with wall atomization, and dispersion sheared by filler, increase the contact area between gas-liquid, liquid phase mass transfer coefficient obtains enhancing, and gas and liquid are along constant cross section passage (filler part A) through filler, and overflow the space that gas cannot be formed from liquid, the reciprocation between gas-liquid strengthens, gas phase turbulence strengthens, and increases gas phase mass transfer coefficient.Finally, liquid flows out from 1.8, and gas flows out from 1.1, completes mass transfer, course of reaction.
Shown in embodiment 2: Fig. 3, a kind of gas-liquid counter current constant channel formula is rotary packed bed, and housing sidewall is located in its gas feed, and liquid-inlet and gas vent are located at case top, and liquid outlet is located at housing bottom, and gas-liquid circulates in a counter-current configuration in filler.Its mass transfer, reaction detailed process are: gas enters from 2.1 gas feeds, enters in the filler 2.9 of rotation; Liquid enters from 2.2 liquid-inlets, enters 2.11 liquid distribution troughs, is sprayed on the filler 2.9 of rotation; Because fluid passage circulation (filler part A) sectional area is unchanged, liquid hits the metal baffle of its side, the direct backwash atomization of a part of liquid, and the dumped packing be filled in filler part A is caught, and disperses further; Another part is gathered in filler part A metal baffle and is thrown out of, and the dumped packing be then filled in filler part A is caught, disperseed.Subsequently, the metal baffle of liquid and opposite side bumps against, and repeats this process always.Liquid is through repeatedly collision with wall atomization, and dispersion sheared by filler, increase the contact area between gas-liquid, liquid phase mass transfer coefficient obtains enhancing, and gas and liquid are along constant cross section passage (filler part A) through filler, and overflow the space that gas cannot be formed from liquid, the reciprocation between gas-liquid strengthens, gas phase turbulence strengthens, and increases gas phase mass transfer coefficient.Finally, liquid flows out from 2.8, and gas flows out from 2.3, completes mass transfer, course of reaction.:
Experimental example 1: adopt the equipment of Fig. 2 structure to carry out H
2removing of S gas, H
2s concentration is 2000mg/m
3left and right is (32 ± 2) DEG C, liquid-gas ratio 10L/m at system temperature
3, rotating speed is 1000r/min, soda ash is 12g/L equipment θ value is when being 90 °, hydrogen sulfide single-stage removal efficiency is 99.4%.
Experimental example 2: present device can strengthen gas-film controlled process, thus may be used for the absorption process of light concentration gas.This experimental example adopts Fig. 2, Fig. 3 and the disclosed equipment of document (" technical study of the hydrogen sulfide under Elevated Gravity in selectively removing gas " gas chemical industry, 2011,36 (1): 30-33) to carry out low concentration H
2removing of S gas, H
2s concentration is 6mg/m
3left and right is (32 ± 2) DEG C, liquid-gas ratio 10L/m at system temperature
3, rotating speed is 800r/min, soda ash is 10g/L equipment θ value is when being 75 °, hydrogen sulfide single removal efficiency is in table 1.
Table 1:
| Equipment | Fig. 2 equipment | Fig. 3 equipment | Document |
| Hydrogen sulfide stripping rate | 97.3% | 98.5% | 85% |
Experimental example 3: equipment shown in the utility model Fig. 2, Fig. 3 and document (" test on treatment of high concentration nitrogen oxides by high gravity technology pilot scale research ", chemical industry progress, 2007,26 (7): 1058-1061) are applied to 18000-20000mg/m
3the pilot scale research of the waste gas of high concentration nitrogen oxide.At air inflow 100m
3h
-1, liquid-gas ratio 20Lm
-3, high gravity factor 90 and urea concentration 20% condition under, when θ value is 45 °, run 30 days, average nitrogen oxide single-stage removal efficiency is in table 2.
Table 2:
| Equipment | Fig. 2 equipment | Fig. 3 equipment | Document |
| The average single-stage removal efficiency of nitrogen oxide | 92.3% | 95.5% | 86% |
Experimental example 4: equipment shown in the utility model Fig. 2, Fig. 3 and document (" test on treatment of high concentration nitrogen oxides by high gravity technology pilot scale research ", chemical industry progress, 2007,26 (7): 1058-1061) are applied to 400mg/m
3the pilot scale research of the waste gas of low-concentration nitrogen oxide.At air inflow 100m
3h
-1, liquid-gas ratio 20Lm
-3, high gravity factor 90 and urea concentration 20% condition under, when θ value is 60 °, run 30 days, the average single-stage removal efficiency of average nitrogen oxide is in table 3.
Table 3:
| Equipment | Fig. 2 equipment | Fig. 3 equipment | Document |
| Average nitrogen oxide single-stage removal efficiency | 90.6% | 93.4% | 72% |
Claims (3)
1. the rotary packed bed mass transfer of constant channel formula and a consersion unit, comprise the gas feed (4) of the upper laying of housing (3), gas vent (5), liquid-inlet (6), liquid outlet (7), liquid-inlet (6) lower end connects liquid distribution trough (8); Motor (9) is installed in housing (3) bottom, and machine shaft (9.1) and housing (3) connecting place arrange static seal (10), machine shaft (9.1) end bonding pad (11), establish movable sealing (12) between filler (11) top and housing (3); It is characterized in that: described filler is the concentric circles ring body be alternately made up of filler part A (11.1) and filler part B (11.2); Filler part A (11.1) is gas-liquid flow circulation passage, and be made up of some six cubes, filler part A (11.1) is wound around by woven wire at radial direction inner surface and outer surface, and all the other four planes are made up of metal plate, inner filling dumped packing; The structural support units that filler part B (11.2) is segment, five planes form by metal plate.
2. the rotary packed bed mass transfer of a kind of constant channel formula according to claim 1 and consersion unit, is characterized in that: described dumped packing is any one in Pall ring, Raschig ring, berl saddle, intalox saddle, metal ring intalox.
3. the rotary packed bed mass transfer of a kind of constant channel formula according to claim 1 and consersion unit, it is characterized in that: the cross section of described filler part A (11.1) is linked by inside and outside two circular arcs and two parallel lines and forms, and the angle theta that Inner arc two end point connecting line and adjacent straight line are formed is 45o-90o.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740483.9U CN205055762U (en) | 2015-09-23 | 2015-09-23 | Invariable passageway formula rotating packed bed mass transfer and response device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740483.9U CN205055762U (en) | 2015-09-23 | 2015-09-23 | Invariable passageway formula rotating packed bed mass transfer and response device |
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| Publication Number | Publication Date |
|---|---|
| CN205055762U true CN205055762U (en) | 2016-03-02 |
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|---|---|---|---|
| CN201520740483.9U Withdrawn - After Issue CN205055762U (en) | 2015-09-23 | 2015-09-23 | Invariable passageway formula rotating packed bed mass transfer and response device |
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|---|---|
| CN (1) | CN205055762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148685A (en) * | 2015-09-23 | 2015-12-16 | 中北大学 | Constant-channel type rotating-packed-bed mass transferring and reacting device |
| CN109499087A (en) * | 2017-09-14 | 2019-03-22 | 尤利乌斯蒙茨有限公司 | Mass Transfer Apparatus |
-
2015
- 2015-09-23 CN CN201520740483.9U patent/CN205055762U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105148685A (en) * | 2015-09-23 | 2015-12-16 | 中北大学 | Constant-channel type rotating-packed-bed mass transferring and reacting device |
| CN105148685B (en) * | 2015-09-23 | 2017-12-08 | 中北大学 | The rotary packed bed mass transfer of constant channel formula and consersion unit |
| CN109499087A (en) * | 2017-09-14 | 2019-03-22 | 尤利乌斯蒙茨有限公司 | Mass Transfer Apparatus |
| CN109499087B (en) * | 2017-09-14 | 2021-12-21 | 尤利乌斯蒙茨有限公司 | Mass transfer machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160302 Effective date of abandoning: 20171208 |