CN2139019Y - Net corrugated filling - Google Patents
Net corrugated filling Download PDFInfo
- Publication number
- CN2139019Y CN2139019Y CN 92221678 CN92221678U CN2139019Y CN 2139019 Y CN2139019 Y CN 2139019Y CN 92221678 CN92221678 CN 92221678 CN 92221678 U CN92221678 U CN 92221678U CN 2139019 Y CN2139019 Y CN 2139019Y
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- ripple
- packing
- mesh
- regular mesh
- filling
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Abstract
The utility model discloses a novel netted hole corrugated filling in a surface structural form. Through heat treatment in advance, metal meshes with different thickness are punched into small rhombus holes with specific specifications in the way of calendering, pressed into corrugation, cut into the required size according to the diameter of the filling, and then fastened into a regular netted hole corrugated filling by binding tape coiling. The filling has the characteristics of little resistance, large flux, high rigidity, large strength, large number of theoretical plates, easy manufacture of seriation, simple manufacturing technique, low price, etc., and can reduce the leakage phenomenon of the inner wall of the tower in chemical industries and oil refining production. The utility model is used for replacing fillings, such as a wire mesh corrugated filling, etc., and expanding the scope of application of the metal mesh corrugated filling.
Description
The utility model relates to a kind of novel mesh ripple packing, is used for chemical industry and oil refining production and environmental protection field.
Packed tower is the visual plant that has a large capacity and a wide range in the industry such as chemical industry, oil refining, is widely used in mass transfer and heat transfer, occupies critical role in processes such as distillation, absorption, extraction, washing, cooling and biochemical treatments.In recent years, be accompanied by the flourish of fine chemistry industry, petrochemical industry, chemical fertilizer etc., the exploitation of power-saving technology and the needs of environmental protection have all promoted the research of various novel tower packings, wherein structured packing particularly ripple packing have obvious advantage, paid more and more attention.Though as corrugated wire gauze packing efficient height, flux is big, resistance is little, liquid holdup is little, cost an arm and a leg, be afraid of corrosion, adaptive surface is less, and this has just influenced large-scale commercial Application.Though stainless steel perforated plate corrugated filler cost is low, flux is big, resistance is little, every meter filler number of theoretical plate of efficient is few, and it is more to consume material.Therefore have in mind from geometry and surface state, the reinforcement effect of mass transmitting makes novel tower packing have the advantage of silk screen and perforated plate corrugated filler concurrently, just becomes the important topic of filler developmental research.
In the Chinese patent 88200252, developed a kind of expanded metal packing with rhombus duct, expanded metals is pressed into corrugated, processing is simple, lighter, the lower-cost advantage of weight though have, but weak point is the major and minor axis in expanded metal packing water chestnut hole is 2～3 millimeters, this specification lacks the performance that highly efficient distilling separates, and can't replace corrugated wire gauze packing.In Chinese patent 88200252, with regard to die-cut stretching, this can only be suitable for aluminium to metal sheet without heat treatment.For will making hardness and toughness reach certain requirement, can punching stretch become the titanium material of rectangular straight expanded metals band, stainless steel just inapplicable, so that can't make titanium material, stainless steel ripple loaders already change production.
The purpose of this utility model provides a kind of efficient height (number of theoretical plate height), resistance is little, flux is big, reduce that inner wall of tower leaks that phenomenon, good rigidly, intensity form greatly, easily that seriation, manufacturing process are simple, no material unaccounted-for (MUF), surface texture uniqueness, cheap, the novel mesh ripple packing that is suitable for material expansion.Be used for replacing corrugated wire gauze packing, and the netted ripple packing range of application of enlarged metal.
For realizing this purpose, the utility model provides a kind of novel mesh ripple packing.The mesh ripple packing wire netting sheet of various different-thickness, its material can be stainless steel, titanium, aluminium, copper.Through preliminary treatment, preferably heat treatment, calendering is washed into the mesh plate band again, has the rhombus aperture of specific standard.The major and minor axis in water chestnut hole is 0.8～1.9 millimeter, and the mesh stalk slightly is 0.1～0.15 millimeter, 70～100 ° of addendum angles, and preferably 75～90 °, percent opening is 32～38%.This specific specification is the preferred plan that liquid forms liquid film.Then the above-mentioned metal band that has the rhombus aperture is pressed into corrugated, cuts into the size of needs again according to the filler diameter.
Be pressed into the parallel vertical arrangement in order of undulatory diamond-shaped meshes sheet, build up a regular mesh ripple packing mutually, the ripple direction of adjacent two ripple silvers is opposite, and ripple direction and tower axle inclination angle are 20～50 °, preferably 30 ° or 45 °.Regular mesh ripple packing is to tighten with the bundle winding, and regular mesh ripple packing also can be divided into plurality of small blocks, fixes with clips for every, with binding tape they is tightened subsequently.Pricking winding can be steel wire, iron sheet, stainless steel, aluminium, copper, preferably ties up shaping or ties up shaping with the straight burr roll of strip with the decorative pattern roll coil of strip with holes.Every dish filler is closely filled tower section, adjacent staggered 45～90 ° of fillings of two dish fillers, and two best dish fillers are staggered 90 ° of fillings.
Its surface texture uniqueness of this novel regular corrugation filler, process easy, no material unaccounted-for (MUF), use this filler, when the identical separation situation, the comparable corrugated wire gauze packing of cost reduces more than 30%, is applicable to that more separating difficulty is big, requires little, the mordant system of pressure drop to separate.
Below in conjunction with to implementing detailed description of the present utility model and the description of the drawings thereof, structure composition of the present utility model, know-why and advantage thereof are described.
Accompanying drawing of the present utility model is:
Fig. 1 is total figure of the regular mesh ripple packing of the utility model.
Fig. 2 is a mesh ripple silver assembling schematic diagram.
Fig. 3 is a rhombus aperture enlarged drawing.
Fig. 4 is regular mesh ripple packing performance map.
Fig. 5 is a ripple packing performance comparison diagram.
Fig. 6 is a ripple packing economic performance comparison diagram.
As Fig. 1～shown in Figure 3, the composition and the general structure of the regular mesh ripple packing of the utility model are as follows, the titanium material after heat treatment, punching stretch becomes even, the rectangular straight expanded metals band of mesh and has the water chestnut hole ［ 1 ］ of specific standard, mesh stalk thick ［ 2 ］, is pressed into mesh ripple silver ［ 3 ］ then.According to certain size cutting mesh ripple silver, the ripple direction of adjacent two undulatory diamond-shaped meshes silvers that parallel vertical is arranged is opposite, ripple direction and tower axle inclination angle are 30 ° or 45 °, regular mesh ripple packing can be divided into some, every fixing by piecemeal clips ［ 4 ］, tightens with bundle winding ［ 5 ］ and be assembled into plate-like regular corrugation filler ［ 6 ］.Every in use dish regular corrugation filler is closely filled tower section, the staggered 90 ° of fillings of adjacent two dish fillers.The piecemeal clips fixedly is to be suitable for the filler that major diameter can't blue tower.
Measure with normal heptane/methyl cyclohexanol, cis naphthalane/trans naphthalane general international standard system, the relation curve of vapour phase functional factor and separative efficiency as shown in Figure 4, transverse axis is represented vapour phase functional factor F, and the longitudinal axis is represented every meter filler pressure drop of mesh ripple packing △ P/m, every meter filler number of theoretical plate n respectively
tWith work of separation Fn
tMesh ripple packing efficient reduces and obviously rises with the F factor, be up to 9.5 blocks of theoretical trays of every meter filler under the atmospheric distillation condition, when rectification under vacuum is tested, be up to 12 theoretical plates of every meter filler, and the filler efficiency change is little in the load range of broadness.
The ripple packing performance more as shown in Figure 5, transverse axis is a vapour phase kinetic energy factor F, the longitudinal axis is every theoretical plate pressure drop △ P/n
tWith every filler number of theoretical plate n
tAmong the figure, curve is represented the mesh ripple packing, and the x curve is represented 450 profiled orifice plate ripple packings, and the △ curve is represented CY type corrugated wire gauze packing.As can be seen, marquis when vapour phase kinetic energy factor F is little, every theoretical plate pressure drop of mesh ripple packing relatively for little this moment the mesh ripple packing every meter filler number of theoretical plate obviously greater than other fillers.
The ripple packing economic performance more as shown in Figure 6, transverse axis is a vapour phase kinetic energy factor F, the longitudinal axis is than filler cost ca/Fn
t, the external CY type filler of curve 1 representative among the figure, curve 2 is represented SW type mesh ripple packing, the domestic CY type filler of curve 3 representatives.As can be seen, under best separately live load, SW type mesh ripple packing minimum than filler cost.
It is as shown in the table for mesh ripple packing performance data
| The filler model | Material | Peak height (millimeter) | Hydraulic diameter (millimeter) | The inclination angle | Specific area | Voidage % |
| The SW-1 type | Stainless steel, titanium, aluminium, copper etc. | 4.5 | 5.7 | 45° | 643 | 91.6 |
| The SW-2 type | 6.5 | 9 | 30 ° or 45 ° | 450 | 95.5 |
The utility model is owing to adopted as Fig. 1～as the structure of Fig. 3, so used filler of the present utility model in packed tower, can reduce inner wall of tower and leak phenomenon, can make the interior operation continuity of packed tower good, the vapour-liquid contact surface is long-pending big, makes mass transfer velocity fast, resistance is little, and energy consumption is low, easily amplifies.
Mesh ripple packing of the present utility model is to have more satisfactory structural shape, its axial air gap rate is big, steam passage is near axially causing resistance little, the special mesh-structured capillarity that makes is strong, liquid is easy to spread wetting, material and structure also help the liquid radial diffusion, and the ripple packing effective ratio area is big.Regular arrangement has also reduced form drag with filling, has increased flux.
The utility model is set about from filler geometry and surface state, according to the mechanism exploitation of strengthening the membrane type mass transfer.Combine the two-fold advantage of corrugated wire gauze packing high efficiency and metallurgic orifice corrugated packing economy, overcome both weak points again as possible, have more efficient and inexpensive characteristics, be suitable for the distillation of high vacuum distillation and low discharge especially.
In sum, adopt 0.8～1.9 millimeter of water chestnut hole major and minor axis, mesh to obstruct thick 0.1～0.15 millimeter, the of the present utility model regular mesh ripple packing of the novel surface structural shape of 75～90 ° of addendum angles, percent opening 32～38%, it is little to have tangible resistance, flux is big, prevents that wall from leaking phenomenon, number of theoretical plate height, easily amplify, inexpensive advantage, thus the continued operation that chemical industry and oil refining are produced guaranteed, overcome the weak point that remains in the similar filler in the prior art.
Claims (5)
1, a kind of regular mesh ripple packing, comprise and be pressed into undulatory diamond-shaped meshes sheet, parallel vertical is arranged, prick winding, it is characterized in that: sheet metal is after Overheating Treatment, punching stretch becomes the mesh plate band, and then be pressed into the corrugated silver, the major and minor axis of its each size water chestnut hole [1] is 0.8～1.9 millimeter, mesh stalk thick [2] is 0.1～0.15 millimeter, 70～100 ° of addendum angles, percent opening is 32～38%, the ripple silver [3] of size cutting builds up a regular mesh ripple packing [6] mutually as required, adjacent two ripple silvers are opposite and to make ripple direction and tower axle inclination angle be 20～50 ° with the ripple direction, and regular mesh ripple packing is to tighten with bundle winding [5], and regular mesh ripple packing also can be divided into plurality of small blocks, every fixing with clips [4], with binding tape they tightened subsequently.
2, according to the described regular mesh ripple packing of claim 1, it is characterized in that: best addendum angle is 75～90 °.
3, according to the described regular mesh ripple packing of claim 1, it is characterized in that: best ripple direction and tower axle inclination angle are 30 ° or 45 °.
4, according to the described regular mesh ripple packing of claim 1, it is characterized in that: pricking winding and done by stainless steel, copper, aluminium, is decorative pattern band or straight burr band with holes on the surface.
5, according to claim 1,2,3,4 described regular mesh ripple packings, it is characterized in that: the material of regular mesh ripple packing is stainless steel or titanium or aluminium or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92221678 CN2139019Y (en) | 1992-11-24 | 1992-11-24 | Net corrugated filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92221678 CN2139019Y (en) | 1992-11-24 | 1992-11-24 | Net corrugated filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2139019Y true CN2139019Y (en) | 1993-07-28 |
Family
ID=33768420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92221678 Expired - Lifetime CN2139019Y (en) | 1992-11-24 | 1992-11-24 | Net corrugated filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2139019Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940907A (en) * | 2010-08-20 | 2011-01-12 | 北京华创瑞风空调科技有限公司 | Novel plastic filler |
| CN104841351A (en) * | 2015-04-21 | 2015-08-19 | 杭州立久科技有限公司 | Stereometric teflon structured packing and manufacturing method thereof |
| CN104841353A (en) * | 2015-04-21 | 2015-08-19 | 杭州立久科技有限公司 | Disc-type teflon structured packing and manufacturing method thereof |
| CN114761120A (en) * | 2019-10-14 | 2022-07-15 | 苏尔寿管理有限公司 | Structured cross-channel packing element with reduced material requirements |
-
1992
- 1992-11-24 CN CN 92221678 patent/CN2139019Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940907A (en) * | 2010-08-20 | 2011-01-12 | 北京华创瑞风空调科技有限公司 | Novel plastic filler |
| CN104841351A (en) * | 2015-04-21 | 2015-08-19 | 杭州立久科技有限公司 | Stereometric teflon structured packing and manufacturing method thereof |
| CN104841353A (en) * | 2015-04-21 | 2015-08-19 | 杭州立久科技有限公司 | Disc-type teflon structured packing and manufacturing method thereof |
| CN104841353B (en) * | 2015-04-21 | 2016-08-17 | 杭州立久科技有限公司 | The disc type structured packing of politef and preparation method thereof |
| CN114761120A (en) * | 2019-10-14 | 2022-07-15 | 苏尔寿管理有限公司 | Structured cross-channel packing element with reduced material requirements |
| CN114761120B (en) * | 2019-10-14 | 2024-05-03 | 苏尔寿管理有限公司 | Structured cross-channel packing element with reduced material requirements |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |