CN101367032A - Multi-step ring bulk loading filling material - Google Patents
Multi-step ring bulk loading filling material Download PDFInfo
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- CN101367032A CN101367032A CNA2008101193627A CN200810119362A CN101367032A CN 101367032 A CN101367032 A CN 101367032A CN A2008101193627 A CNA2008101193627 A CN A2008101193627A CN 200810119362 A CN200810119362 A CN 200810119362A CN 101367032 A CN101367032 A CN 101367032A
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Abstract
The invention relates to multi-cascade-ring dumped packing, which belongs to the technical field of the gas-liquid and liquid-liquid mass transfer separating device in the oil refining industry, the petrochemical industry, the chemical industry, the light industry and the environmental protection industry. Two symmetric connecting sides are arranged on two wings of the packing, each connecting side is flanged, the connecting sides are connected with a first cascade, a second cascade, a third cascade and a fourth cascade to form four layers of cascades from two sides, and the four cascades are in parallel with each other. The second cascade and the third cascade which are respectively extended to the central part of a packing ring are connected with each other through connecting pieces so as to form an X-shaped structure supporting in the center of the ring body. The multi-cascade-ring dumped packing has the advantages that during filling, the packing tends to be placed horizontally, thereby bringing about a small windward face, a small drag force and a great flux; a central supporting structure is adopted so as to bring about better rigidity; the packing has a big specific surface area, a plurality of spray points, dispersed liquid and good effects, thereby facilitating mass transfer; and the packing can be easily processed. The packing which is used for the processes of rectification, absorption and extraction greatly improves the production capabilities and mass transfer efficiencies of a rectifying column, an absorbing column, a scrubber column and an extraction column.
Description
Technical field
The present invention relates to a kind of multi-step ring bulk loading filling material, belong to gas-liquid, the liquid liquid mass transfer separation equipment technical field of oil refining, petrochemical industry, chemical industry, light industry and environment-protecting industrial.It is the critical piece in the rectifying, absorption, extraction tower in the above-mentioned industry.
Background technology
Gas-liquid, liquid liquid mass transfer separation equipment field at oil refining, petrochemical industry, chemical industry, light industry and environment-protecting industrial, filler is the critical piece in rectifying, absorption, the extraction tower, it generally can be divided into two big classes: structured packing and (particle) in bulk filler, structured packing generally is used for the tower of decompression operation, and (particle) in bulk filler is used in the tower of normal pressure and pressurized operation more, because its processing and manufacturing is simpler, easy for installation, be convenient to clean, thereby be widely used.
Use in China's industry at present more widely that dumped packing is annular packing or saddle ring filler, the production capacity of annular packing is big, and the liquid-distribution property of saddle ring filler is good and produce energy greatly.At present, industry-wide have Pall ring, a ring intalox etc.But because the configuration of these fillers is limit, its manufacturing procedure is comparatively complicated, generally needs the above operation ability moulding of three roads or three roads at least; And its overall specific surface is less, and the spray point is few, and production capacity and mass-transfer efficiency still are subjected to certain limitation.
Summary of the invention
The objective of the invention is to propose a kind of multi-step ring bulk loading filling material, change the structure of existing dumped packing, make it can be fit to gas-liquid contact processes such as rectifying absorption, can be applied to extraction again and wait liquid liquid contact mass transfer process, and simplify the manufacturing procedure of filler, the combination property of raising filler: make this dumped packing machine by twice even a procedure; Improve the production capacity of filler, promptly improve its spotting out gas speed; Improve the mass-transfer efficiency of filler, promptly reduce its height of transfer unit; Reduce the fluid resistance of filler, promptly reduce the pressure drop of each mass transfer unit; Reduce the material consumption of filler, promptly under the prerequisite that keeps filler rigidity, reduce the thickness of sheet material.
The multi-step ring bulk loading filling material that the present invention proposes, the filler both wings are the fillet (1) of two symmetries, fillet (1) is a flanging shape, fillet (1) connects first ladder (23), second ladder (24), the 3rd ladder (25) and four-step (26) from both sides, first ladder (23), second ladder (24), the 3rd ladder (25) and four-step (26) are parallel to each other, and constitute four layers of ladder; Described first ladder (23) is made up of half of outer arc (2), half of inner arc (3), outer arc (4), inner arc (5), outer arc (6), inner arc (7), outer arc (8); Described second ladder (24) is made up of transition outer arc (14), straightway (15), straightway (17), transition outer arc (18); Described the 3rd ladder (25) is made up of transition outer arc (20), straightway (19), straightway (21), transition outer arc (22); Described four-step (26) by outer arc (8) half, inner arc (9), outer arc (10), inner arc (11), outer arc (12), inner arc (13), outer arc (2) form; Second ladder (24) and the 3rd ladder (25) respectively extend the middle body of packing ring, and second ladder and the 3rd ladder interconnect by brace (16), form the X-shaped structure, are supported in ring body central authorities.
The multi-step ring bulk loading filling material that the present invention proposes, its design feature is:
1, the diameter aspect ratio of filler of the present invention is 2.1-3.75, and filler is tending towards horizontal positioned during filling, so the windward side is little, and resistance is little, and flux is big;
2, dumped packing of the present invention adopts central support structure, and rigidity is better;
3, the present invention is big than the ring packing specific area, and the filler surfaces externally and internally is fully unlimited, and the interior tendon sheet is evenly cut apart space in the ring, and the present invention is many than the spray point of ring packing, and liquid dispersion is effective, helps mass transfer;
4, filler of the present invention does not have flange, and the drop cohesion helps liquid liquid mass transfer when preventing liquid-liquid extraction;
5, filler of the present invention is easy to processing, one-shot forming, and general ring packing needs repeatedly pressing mold.
Multi-step ring bulk loading filling material of the present invention, have the mass-transfer performance excellence, resistance is less, production capacity is bigger, simple in structure, advantages such as mechanical strength is higher, handling ease, be used for processes such as rectifying, absorption, extraction and replace fillers such as Pall ring, traditional cascade ring and ring intalox, can improve rectifying column in the industry, absorption tower, scrubbing tower and extraction output of column and mass-transfer efficiency greatly, improve product quality, cut down the consumption of energy, and the usefulness of the process of raising.
Description of drawings
Fig. 1 is the front view of the multi-step ring filler of the present invention's proposition.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the shaft side figure of multi-step ring filler of the present invention.
Fig. 4 is the pressure drop figure of every meter filler in the embodiment of the invention.
Fig. 5 is the filler pressure drop figure on every height of transfer unit in the embodiment of the invention.
Among Fig. 1～Fig. 3, the 1st, fillet, the 2nd, outer arc, the 3rd, inner arc, the 4th, outer arc, the 5th, inner arc, the 6th, outer arc, the 7th, inner arc, the 8th, outer arc, the 9th, inner arc, the 10th, outer arc, the 11st, inner arc, the 12nd, outer arc, the 13rd, inner arc, the 14th, transition outer arc, the 15th, straightway, the 16th, brace, the 17th, straightway, the 18th, transition outer arc, the 19th, straightway, the 20th, transition outer arc, the 21st, straightway, the 22nd, transition outer arc, 23 is first ladders, and 24 is second ladders, and 25 is the 3rd ladders, and 26 is four-steps.
The specific embodiment
The multi-step ring bulk loading filling material that the present invention proposes, its structure such as Fig. 1, Fig. 2 and shown in Figure 3, the filler both wings are the fillet (1) of two symmetries, fillet (1) is a flanging shape, fillet (1) connects first ladder (23), second ladder (24), the 3rd ladder (25) and four-step (26) from both sides, first ladder (23), second ladder (24), the 3rd ladder (25) and four-step (26) are parallel to each other, and constitute four layers of ladder; Described first ladder (23) is made up of half of outer arc (2), half of inner arc (3), outer arc (4), inner arc (5), outer arc (6), inner arc (7), outer arc (8); Described second ladder (24) is made up of transition outer arc (14), straightway (15), straightway (17), transition outer arc (18); Described the 3rd ladder (25) is made up of transition outer arc (20), straightway (19), straightway (21), transition outer arc (22); Described four-step (26) by outer arc (8) half, inner arc (9), outer arc (10), inner arc (11), outer arc (12), inner arc (13), outer arc (2) form; Second ladder (24) and the 3rd ladder (25) respectively extend the middle body of packing ring, and second ladder and the 3rd ladder interconnect by brace (16), form the X-shaped structure, are supported in ring body central authorities.
The multi-step ring bulk loading filling material of the present invention's design, the ring-type of looking and forming into by a plurality of saddle types from the front, semi-ring and following semi-ring have four muscle sheets to be intersected in the center not on a plane on it in the ring, and its end points is bound up on the waist of semi-ring up and down, as shown in Figure 1.The side filler of looking becomes four layers of ladder, and first, second layer ladder and the 3rd, the 4th layer of ladder are symmetrical in the center of filler.Wherein first, fourth layer of ladder is made up of four outer arcuate and three arcs, and outer arcuate and arc are staggered; The outer end of second and third layer ladder links to each other with the middle part of first, fourth layer of ladder, and the inner bends towards the center of filler, and central authorities link to each other at ring.The arc limit of filler had both increased the rigidity of filler itself, can increase the specific area and the spray point of filler again, to improve production capacity and mass-transfer efficiency.Brace in the middle of the filler interconnects second, third ladder, is supported in ring body central authorities, evenly cuts apart area in the ring, and gas-liquid can evenly be distributed.
In the embodiments of the invention, the diameter of filler and height dimension are:
Embodiment one: filler diameter 75mm, packed height 20mm, blade diameter length ratio 3.75;
Embodiment two: filler diameter 50mm, packed height 18mm, blade diameter length ratio 2.8;
Embodiment three: filler diameter 38mm, packed height 13mm, blade diameter length ratio 2.9;
Embodiment four: filler diameter 25mm, packed height 12mm, blade diameter length ratio 2.1.
Dumped packing of the present invention has been measured performance in Φ 600mm testing equipment, and contrasts with fillers such as Pall ring, ring intaloxs under the same conditions, and the result is as follows:
Table 1. geometric parameter
| Filler | The high x of size mm footpath x is thick | Pile up several/m 3 | Bulk density Kg/m 3 | Specific area a m 2/m 3 | Voidage ε m 3/m 3 | a/ε 3 m -1 |
| Multi-step ring | 50x18x0.5 | 35790 | 200 | 110 | 0.97 | 120.5 |
| Pall ring | 50x50x0.8 | 6500 | 316 | 112.3 | 0.956 | 128.5 |
| Ring intalox | 50x27x0.8 | 14685 | 181 | 110 | 0.978 | 117.6 |
Fig. 4 and Fig. 5 have provided the comparison of the pressure drop pressure drop when sprinkle density is 12m3/ (h*m2) in the tower, and wherein Fig. 4 is the pressure drop of every meter filler, and Fig. 5 is the pressure drop of filler on every height of transfer unit.
The spotting out gas speed U of table 2. cascade ring of the present invention
f, m/s
The mass-transfer performance of cascade ring of the present invention:
Make oxygen with air-oxygen-aqueous systems and resolve experiment, draw the relation of filler height of transfer unit H (25 ° of C) and liquid spraying density L, empty tower gas velocity V, and contrast with Pall ring, ring intalox filler, the result is as follows:
The height of transfer unit H of table 3. cascade ring of the present invention, m.
Analysis to experimental result:
As seen from Figure 4, every meter filler pressure drop of multi-step ring of the present invention is significantly less than Pall ring, a little less than ring intalox;
As seen from Figure 5, the pressure drop of each mass transfer unit of multi-step ring of the present invention is significantly less than Pall ring and ring intalox, promptly finishes equal separation requirement, and energy consumption required for the present invention is minimum;
By table 2 as seen, the spotting out gas speed of multi-step ring of the present invention is much higher than Pall ring and remains basically stable with the ring intalox filler, illustrates that filler of the present invention has higher production capacity;
By table 3 as seen, the height of transfer unit of multi-step ring of the present invention is significantly less than Pall ring and ring intalox filler, illustrates that filler of the present invention has best mass-transfer performance.
In sum, new cascade ring dumped packing of the present invention, have the mass-transfer performance excellence, resistance is less, production capacity is larger, simple in structure, the advantages such as mechanical strength is higher, handling ease, be used for the processes such as rectifying, absorption, extraction and replace the fillers such as Pall ring, traditional cascade ring and ring intalox, to greatly improve the usefulness of process, obtain substantial economics.
Claims (2)
1. multi-step ring bulk loading filling material, it is characterized in that the filler both wings are the fillet (1) of two symmetries, fillet (1) is a flanging shape, fillet (1) connects first ladder (23), second ladder (24), the 3rd ladder (25) and four-step (26) from both sides, first ladder (23), second ladder (24), the 3rd ladder (25) and four-step (26) are parallel to each other, and constitute four layers of ladder; Described first ladder (23) is made up of half of outer arc (2), half of inner arc (3), outer arc (4), inner arc (5), outer arc (6), inner arc (7), outer arc (8); Described second ladder (24) is made up of transition outer arc (14), straightway (15), straightway (17), transition outer arc (18); Described the 3rd ladder (25) is made up of transition outer arc (20), straightway (19), straightway (21), transition outer arc (22); Described four-step (26) by outer arc (8) half, inner arc (9), outer arc (10), inner arc (11), outer arc (12), inner arc (13), outer arc (2) form; Second ladder (24) and the 3rd ladder (25) respectively extend the middle body of packing ring, and second ladder and the 3rd ladder interconnect by brace (16), form the X-shaped structure, are supported in ring body central authorities.
2. dumped packing as claimed in claim 1 is characterized in that filler diameter D is 25-75 millimeters, and packed height H is 10-25 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810119362A CN100579646C (en) | 2008-09-05 | 2008-09-05 | Multi-step ring bulk loading filling material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810119362A CN100579646C (en) | 2008-09-05 | 2008-09-05 | Multi-step ring bulk loading filling material |
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| CN101367032A true CN101367032A (en) | 2009-02-18 |
| CN100579646C CN100579646C (en) | 2010-01-13 |
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| CN200810119362A Active CN100579646C (en) | 2008-09-05 | 2008-09-05 | Multi-step ring bulk loading filling material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497393A (en) * | 2017-09-30 | 2017-12-22 | 北京泽华化学工程有限公司 | A kind of more trimming curved surface ring random packings |
| CN107899533A (en) * | 2017-12-25 | 2018-04-13 | 山东凯斯达机械制造有限公司 | A kind of dumped packing |
| CN108671733A (en) * | 2018-07-31 | 2018-10-19 | 太仓市宇格明叶环保设备有限公司 | The horizontal intersection exhaust gas washing tower of one kind and its working method |
-
2008
- 2008-09-05 CN CN200810119362A patent/CN100579646C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497393A (en) * | 2017-09-30 | 2017-12-22 | 北京泽华化学工程有限公司 | A kind of more trimming curved surface ring random packings |
| CN107899533A (en) * | 2017-12-25 | 2018-04-13 | 山东凯斯达机械制造有限公司 | A kind of dumped packing |
| CN107899533B (en) * | 2017-12-25 | 2024-02-13 | 山东凯斯达机械制造有限公司 | Bulk packing |
| CN108671733A (en) * | 2018-07-31 | 2018-10-19 | 太仓市宇格明叶环保设备有限公司 | The horizontal intersection exhaust gas washing tower of one kind and its working method |
| CN108671733B (en) * | 2018-07-31 | 2023-05-02 | 太仓市宇格明叶环保设备有限公司 | Horizontal cross waste gas washing tower and working method thereof |
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| Publication number | Publication date |
|---|---|
| CN100579646C (en) | 2010-01-13 |
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Application publication date: 20090218 Assignee: Guangxi Kunda Bio Energy Co., Ltd. Assignor: Beijing Zehua Chemical Engineering Co., Ltd. Contract record no.: 2018450000006 Denomination of invention: Random packing with multiple cascade rings Granted publication date: 20100113 License type: Common License Record date: 20180122 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Multi step ring bulk packing Effective date of registration: 20210909 Granted publication date: 20100113 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: Beijing Zehua Chemical Engineering Co.,Ltd. Registration number: Y2021990000815 |