CN2657758Y - High-efficient contact fiber type filler tower - Google Patents
High-efficient contact fiber type filler tower Download PDFInfo
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- CN2657758Y CN2657758Y CN 200320101456 CN200320101456U CN2657758Y CN 2657758 Y CN2657758 Y CN 2657758Y CN 200320101456 CN200320101456 CN 200320101456 CN 200320101456 U CN200320101456 U CN 200320101456U CN 2657758 Y CN2657758 Y CN 2657758Y
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- efficient contact
- packed tower
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Abstract
A high-performance contact fiber type packing tower is disclosed. The upper part of a packing tower body 6 is provided with material inlets 8 and 9, wherein the material inlet 8 connects with a fluid distributor 10-1; the material inlet 9 connects with a second fluid distributor 10-2 which is arranged under the fluid distributor 10-1. The middle part of the packing tower body 6 is a separation settling tank 3; the end 5 of a fiber bundle 1 is arranged under the two-phase interface 4 of the separation settling tank 3. The utility model adopts a plurality of clustered cellosilk packings and an innovative fluid redistributor, which increase the mass transfer surface area, solve the problems of dispersed phase separation and wall flow in traditional methods, and prevent the occurrence of emulsification, entrainment or diffusion. Therefore, the utility model has the advantages of high mass transfer efficiency apart from small size and short separation time.
Description
Invention field
The utility model relates to a kind of oil, chemical industry equipment, is meant a kind of efficient contact fibrous type packed tower that is applicable to the mass transfer sedimentation separation technology of oil, chemical industry especially.
Background technology
In oil plant, chemical plant, mass transfer is a very general phenomenon, all is accompanied by the generation of transport phenomenon in the technical process such as extraction, distillation, absorption.And after mass transport process finishes, also need the two-phase that is in contact with one another in the mass transport process is separated, avoid emulsification and carry secretly.
With solution-air and liquid-liquid absorption process is example, for remove a certain mutually in contained impurity, need to adopt washing lotions (H phase) to realize absorption to impurity in the pending phase (L phase).When two-phase comes in contact, transport phenomenon will take place between two-phase interface, because different solubility, or because chemical reaction has taken place, impurity will enter into washing lotion mutually by pending mutually by the interface between the two-phase, thus realized removing the purpose of impurity.And after absorption process is finished, also must realize the two-phase of contact separating effectively, avoid forming the emulsification structure.
This shows, in above-mentioned technical process, exist two vital problems: the generation that promptly how to improve mass-transfer efficiency and after mass transport process finishes, how to avoid emulsification to carry secretly.
In the commercial plant that generally adopts at present, improving two effective areas that contact is the effective means that improve mass-transfer efficiency, generally adopts at present to consume kinetic energy or stirring method.For example: adopt plate column or packed tower equipment.Plate column is to realize two alternate contacts on column plate; Packed tower then is to add some fillers in tower, and for example the filler of bigger serfaces such as cascade ring, Pall ring, saddle type net, perforated plate corrugated filler, screen waviness packings, regular screen, low flow resistance is realized two alternate mass transfers; Or adopt static mixer to realize the efficient mass transfer process, and two alternate liquid streams are broken into countless fine drop, increase the contact area of two-phase, promote mass transport process.
But although the structure of plate column is simple relatively, its inner mass transport process is not continued operation, but exists rank more, and operating flexibility is little, and operational effect is relatively poor under the variable working condition condition; Although and packed tower has wider opereating specification, the present structured packing price that generally adopts of institute costliness, and also the two-phase flow resistance is bigger.Although the mass-transfer efficiency in the static mixer is very high, strong mixing has but aggravated to carry secretly and emulsion.In fact, these also above-mentioned just three kinds of shortcomings that mass transfer apparatus is common, promptly after mass transport process was finished, two-phase mixed and is difficult to its separation, need very long disengaging time and corresponding sedimentation separation equipment, even sometimes also need be by means of the effect of extra electric field.Carry generation with emulsion secretly even like this, also be difficult to avoid to occur two-phase.
Summary of the invention
The utility model purpose is to provide a kind of fibrous type of the mass transfer-sedimentation separation technology of oil, chemical industry that is applicable to efficiently to contact packed tower.
Technical scheme disclosed in the utility model is used for contact, mass transport process and two-phase rapid subsidence, the separation process between the two-phase (comprising gas phase-liquid phase and liquid phase-liquid phase).It is specially adapted in the following technological process in oil, the chemical field:
1, comes treatment fluid gasification and dry gas with amine;
2, come depriving hydrogen sulphide, mercaptan, carbon dioxide etc. with alkali;
3, come dephenolize with alkali;
4, come the decylization alkanoic acid with alkali;
5, come mercaptan in oxidation naphtha and the gasoline with alkali
6, come the decylization alkanoic acid with alkali;
7, come mercaptan in the oxidation kerosene with alkali;
8, deliquescent impurity is sloughed in washing;
9, alkaline water wash-out chlorine;
10, deviate from the big molecule that the catalytic gasoline hydrogenation generates, band side chain mercaptan;
11, the oxidation of salkali waste and neutralization;
12, the regeneration of Containing Sulfur sodium salkali waste;
13, low pH value neutralization;
14, the online phenol of deviating from the salkali waste.
The purpose of this utility model is achieved in that
A kind of efficient contact fibrous type packed tower, it mainly is made up of filler tower body 6, mass transfer space cylindrical shell 2, boundling filament filler 1, charging cover head 7, fluid distributor 10-1,10-2, fluid redistributor 11 and separate and subside jar 3, it is characterized in that: filler tower body 6 is divided into the upper, middle and lower part, the top of filler tower body 6 is provided with charging aperture 8,9, and charging aperture 8 is connected with fluid distributor 10-1; Charging aperture 9 is connected with the fluid distributor 10-2 that is located at fluid distributor 10-1 below, the middle part of filler tower body 6 is a mass transfer space cylindrical shell 2, its inside is provided with a large amount of boundling filament filler 1 and fluid redistributor 11, the bottom of filler tower body 6 is a separate and subside jar 3, and the end 5 of fibre bundle 1 is arranged under the two-phase interface 4 of separate and subside jar 3.
Wherein, the draw ratio of described filler tower body 6 is: 3～30.
Described fluid distributor 10-1,10-2 can select a kind of structure in three kinds of orifice-plate types, overflow-type, the board-like fluid distributor for use.
The quantity of described fluid redistributor 11 is at least more than the cover.
The packed density of described boundling filament 1 is: 0.25～15%.
Described boundling filament filler 1, every bundle includes filament 1-1 and is: 20～5000.
Described boundling filament 1, the filament 1-1 diameter that every bundle comprises is: 3～2500 microns.
Described boundling filament 1, the filament 1-1 that every bundle comprises can adopt metal material, and it comprises: stainless steel, carbon steel; Or nonmetallic materials comprise glass fibre, staple fibre, nylon, polyester material as fiber in the nonmetallic materials.
The end of described boundling filament filler 1 adopts fixing or freely dangles.
Advantage of the present utility model is:
1, in mass transfer-sedimentation separation technological process, adopted a large amount of boundling filament fillers and fluid redistributor, increased the surface area of mass transfer, avoided disperse phase that conventional method runs into to separate and the wall flow problem of mass transfer column.
2, mass-transfer efficiency height, the generation of no disperse and emulsion.
3, Qing Jie sedimentation separation mode has been avoided the disperse phase separation problem that conventional method runs into, thus two-phase can separate up hill and dale rapidly, fundamentally avoided emulsification and carried the appearance of phenomenon secretly.
4, compare with legacy equipment, the utility model equipment volume is little, and disengaging time is short.
Description of drawings
Fig. 1: be structural representation of the present utility model.
Fig. 2: be mass transfer in liquid phase schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is further described.
As shown in Figure 1, the utility model is made up of filler tower body 6, mass transfer space cylindrical shell 2, boundling filament filler 1, charging cover head 7, fluid distributor 10-1,10-2, fluid redistributor 11 and separate and subside jar 3 etc., filler tower body 6 is divided into the upper, middle and lower part, the top of filler tower body 6 is provided with charging aperture 8,9, and charging aperture 8 is connected with fluid distributor 10-1; Charging aperture 9 is connected with the fluid distributor 10-2 that is located at fluid distributor 10-1 below, the middle part of filler tower body 6 is a mass transfer space cylindrical shell 2, tool inside is provided with a large amount of boundling filament filler 1 and fluid redistributor 11, the bottom of filler tower body 6 is a separate and subside jar 3, and the end 5 of boundling fiberfill 1 is placed under the two-phase interface 4 of separate and subside jar 3.
As shown in Figure 2, (wherein pending phase L enters from charging aperture 9 when pending phase and washing lotion flow into from its top feed mouth 8,9, washing lotion phase H enters from charging aperture 8) time, the surface at each root filament 1-1 of boundling fiberfill 1 all exists washing lotion phase H and pending L mutually.Washing lotion phase H enters into 2 li of mass transfer space cylindrical shells through custom-designed fluid distributor 10-1, and under gravity and capillary effect, along the very thin liquid film of surface formation of filament 1-1, its surface is expanded.Pending another custom-designed fluid distributor 10-2 of process mutually enters into mass transfer space cylindrical shell 2, and under gravity and capillary effect, also the surface along filament 1-1 forms liquid film.Because pending phase L is different in the surface tension of filament 1-1 with washing lotion phase H, again since the flow velocity difference of two-phase (in general, L compares the flow velocity height of H phase), thereby two alternate frictional force draw liquid film extremely thin, for the two-phase mass transfer provides maximum contact area.In addition, H, L two-phase constantly flow on the surface of filament 1-1 and upgrade, and exist bigger concentration gradient motive force in the mass transport process all the time, so fibrous type packed tower 6 are the mass transfer apparatuses that efficient is very high.In mass transport process, two-phase remains, the generation of no disperse and emulsion.
In the bottom of fibrous type packed tower 6, in the separate and subside jar 3, because washing lotion phase H exists density contrast with pending L mutually, thereby both can separate and form the interface of two kinds of liquid rapidly.In general, the density value of washing lotion phase H is than pending phase L height, thus pending phase L at last and washing lotion phase H down.In the utility model, the end of boundling fiberfill 15 directly with separate and subside jar 3 in washing lotion mutually H contact.After mass transport process was finished, because the surface tension of pending phase L is different with washing lotion phase H, the two can separate automatically, and pending phase L imports pending layer.Washing lotion phase H then can flow directly to the jar end 4 of separate and subside jar 3 along the end 5 of boundling fiberfill 1, the separate mode of this cleaning has been avoided the disperse phase separation problem that conventional method ran into, thereby two-phase can be separated rapidly up hill and dale, has fundamentally avoided emulsification and has carried the appearance of phenomenon secretly.
Form the filament 1-1 of boundling fiberfill 1, according to the difference of technological requirement, can adopt metal material, as stainless steel, carbon steel etc.; Perhaps adopt nonmetallic materials as filler, comprise glass fibre, staple fibre, nylon, polyester material etc.The determining of filament material should be followed two principles: this filament must with washing lotion mutually and pendingly soak into easily mutually, be the washing lotion phase and pendingly on this material, have a bigger surface tension; In addition, this material can not cause adverse influence to technical process, simultaneously, can not be destroyed by pending liquid and washing lotion institute burn into; The packed density of boundling fiberfill 1: (this packed density is defined as: the area in the gross area/tower 6 cross sections of all boundling fiberfill 1) packed density should be controlled between 0.25～15%, and best packed density is 1～5%; The length of boundling fiberfill 1 can be determined according to concrete technological requirement according to the method for designing of packed tower 6; The diameter of the filament 1-1 of boundling fiberfill 1 should be controlled between 3～2500 microns.For stainless steel fibre, its optimal cross section diameter is 15～200 microns; For some metallic fibers, for example stainless steel fibre before being fit into tower, is at first shaken up it again, and purpose is to increase processing area for further, and then draws in equipment; In concrete use, all filament 1-1 are divided into some bundles, every bundle comprises 20～5000 of fibers; Form boundling fiberfill 1.In the utility model, in order further to improve mass transfer effect, boundling fiberfill 1 is tilted to a certain angle, the angle of boundling fiberfill 1 and packed tower 6 axis is between 0～20 °; In order to improve the membrane effect, the end 5 of boundling fiberfill 1 adopts fixing or freely dangles.
In the utility model, the wall effect of mass transfer space cylindrical shell 2 is very important problems, because the existence of limit wall, and the device mass-transfer efficiency that has even reduce by 40%, especially in the less device of tower diameter, its influence is even more serious.Therefore, in the utility model, array of fluid redistributor 11 is installed, its objective is and eliminate wall stream, reduce wall effect at the inwall of the mass transfer space of packed tower 6 cylindrical shell 2.
In the utility model, be provided with two fluid distributors at the top of packed tower 6: the distributor 10-1 of pending phase L and washing lotion be the distributor 10-2 of H mutually.This kind design can make two-phase carry out mass transfer on boundling fiberfill 1, and avoids the generation of short-circuit flow; The washing lotion that density value is higher, surface tension is bigger is contacted closely with boundling fiberfill 1, be easy to its stretching film forming.The outlet that is washing lotion phase fluid distributor should directly contact with boundling fiberfill 1 as far as possible; Can make two fluid streams (washing lotion is mutually with mutually pending) even contact, distribution in packed tower.
On version, fluid distributor 10-1,10-2 can be respectively determine to adopt orifice-plate type, overflow-type and three kinds of forms of tubular type according to the size of the different and treating capacity of washing lotion phase H and pending phase L medium.As dirt in, the liquid less in opereating specification less and the situation of tower diameter less (diameter is less than 1.22m) adopts the orifice-plate type fluid distributor; And in, the liquid less in opereating specification dirt less and the tower diameter situation of big (diameter is greater than 1.22m) adopts the tubular type fluid distributor.
Otherwise in, the liquid big in opereating specification dirt more and the tower diameter situation of big (diameter is greater than 1.22m) adopts the overflow-type fluid distributor.
In above-mentioned three kinds of fluid distributors, the density of spray point should remain on 65～90/square metre or according to 2D
2～5D
2Individual principle is determined.
In the technical program, in order to promote separating effect or further to remove impurity, catalyst or chemical reagent are installed, and packed tower 6 can be arranged to plural serial stage and get up to use in the inside of packed tower 6.
Claims (9)
1, a kind of efficient contact fibrous type packed tower, it mainly is made up of filler tower body (6), mass transfer space cylindrical shell (2), boundling filament filler (1), charging cover head (7), fluid distributor (10-1), (10-2), fluid redistributor (11) and separate and subside jar (3), it is characterized in that: filler tower body (6) is divided into the upper, middle and lower part, the top of filler tower body (6) is provided with charging aperture (8), (9), and charging aperture (8) is connected with fluid distributor (10-1); Charging aperture (9) is connected with the fluid distributor (10-2) that is located at fluid distributor (10-1) below, the middle part of filler tower body (6) is a mass transfer space cylindrical shell (2), its inside is provided with a large amount of boundling filament fillers (1) and fluid redistributor (11), the bottom of filler tower body (6) is separate and subside jar (3), and the end (5) of fibre bundle (1) is arranged under the two-phase interface (4) of separate and subside jar (3).
2, efficient contact fibrous type packed tower according to claim 1, it is characterized in that: the draw ratio of described filler tower body (6) is: 3～30.
3, efficient contact fibrous type packed tower according to claim 1 is characterized in that: can select a kind of structure in three kinds of orifice-plate types, overflow-type, the board-like fluid distributor for use.
4, efficient contact fibrous type packed tower according to claim 1 is characterized in that: the quantity of described fluid redistributor (11) is at least more than the cover.
5, efficient contact fibrous type packed tower according to claim 1, it is characterized in that: the packed density of described boundling filament (1) is: 0.25～15%.
6, efficient contact fibrous type packed tower according to claim 1, it is characterized in that: described boundling filament filler (1), every bundle include 20～5000 of filaments (1-1).
7, efficient contact fibrous type packed tower according to claim 1 is characterized in that: described boundling filament (1), the filament that every bundle comprises (1-1) diameter is: 3～2500 microns.
8, efficient contact fibrous type packed tower according to claim 1 is characterized in that: described boundling filament (1), and the fiber that every bundle comprises (1-1) adopts metal material, and it comprises: stainless steel, carbon steel; Or nonmetallic materials comprise glass fibre, staple fibre, nylon, polyester material as fiber in the nonmetallic materials.
9, efficient contact fibrous type packed tower according to claim 1 is characterized in that: the end of described boundling filament filler (1) adopts fixing or freely dangles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320101456 CN2657758Y (en) | 2003-10-20 | 2003-10-20 | High-efficient contact fiber type filler tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320101456 CN2657758Y (en) | 2003-10-20 | 2003-10-20 | High-efficient contact fiber type filler tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2657758Y true CN2657758Y (en) | 2004-11-24 |
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ID=34339662
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320101456 Expired - Fee Related CN2657758Y (en) | 2003-10-20 | 2003-10-20 | High-efficient contact fiber type filler tower |
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| CN (1) | CN2657758Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204635B (en) * | 2006-12-22 | 2010-05-19 | 中国石油化工股份有限公司 | Separation method and equipment |
| CN102908797A (en) * | 2012-10-22 | 2013-02-06 | 中国石油大学(华东) | Combined column plate with coupling of composite flow-through column plate and fiber bundle fillers |
| CN107008106A (en) * | 2016-01-27 | 2017-08-04 | Aws有限公司 | Apparatus and method for making gas and liquid formation contact |
| CN112770824A (en) * | 2018-11-29 | 2021-05-07 | 美利凯公司 | Liquid-liquid mass transfer process and apparatus |
| CN114180773A (en) * | 2021-12-07 | 2022-03-15 | 黎明化工研究设计院有限责任公司 | Novel post-treatment process of working solution for producing hydrogen peroxide by anthraquinone method |
-
2003
- 2003-10-20 CN CN 200320101456 patent/CN2657758Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204635B (en) * | 2006-12-22 | 2010-05-19 | 中国石油化工股份有限公司 | Separation method and equipment |
| CN102908797A (en) * | 2012-10-22 | 2013-02-06 | 中国石油大学(华东) | Combined column plate with coupling of composite flow-through column plate and fiber bundle fillers |
| CN107008106A (en) * | 2016-01-27 | 2017-08-04 | Aws有限公司 | Apparatus and method for making gas and liquid formation contact |
| CN107008106B (en) * | 2016-01-27 | 2021-10-15 | 洛拉技术股份公司 | Apparatus and method for bringing a gas and a liquid into contact |
| CN112770824A (en) * | 2018-11-29 | 2021-05-07 | 美利凯公司 | Liquid-liquid mass transfer process and apparatus |
| CN114180773A (en) * | 2021-12-07 | 2022-03-15 | 黎明化工研究设计院有限责任公司 | Novel post-treatment process of working solution for producing hydrogen peroxide by anthraquinone method |
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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: 20041124 Termination date: 20101020 |