CN104028205A - Stacked packing with interval characteristics - Google Patents

Abstract

A high efficiency packing body is formed by stacking plates with at least 30% open space, which is provided by holes and drip-point components protruding from the plate surfaces. Through connectors, the plates are locked together to form a stack. The connector consists of a locking protrusion on a first surface of the plate and a matching open space on a second surface of the plate. The locking protrusions on the plates combine with the open spaces of adjacent plates to construct the packing body.

Description

The stacking filler with spaced features

Background of invention:

1. invention field

The present invention relates to the fluid contact structure for filled type mass transfer column.

2. description of related art

Packed column is used in mass transfer operation, such as absorption, desorb, extraction, washing and similar operations.The effect of filler is to promote conventionally the mass transfer between reverse two fluid streams streams of advancing mutually.By providing large surface area to promote the contact of fluid and by making liquid split into extremely thin drop to strengthen efficiency and the speed that improves mass transfer with the mass transfer of gas phase in filler.

Many filler main bodys high performance, symmetrical, open volume (packing body) are described in the prior art.Sizable market share well and has been captured in these high performance filler main body performances.Open, non-plugging structure provides low Pressure Drop, simultaneously flow point is loose and be dispersed on vertical and horizontal both direction.

Although the void volume of filler body interior structure is lower than efficient filler main body before, perpendicular to the structure of the longitudinal axis, is still difficult to provide, and manufactures and need to carry out several bending operation and crimp operation makes flaky material formation filler main body.

The United States Patent (USP) the 5th of authorizing on March 12nd, 1996, discloses improved filler main body in 498, No. 376, by reference the disclosure of described patent is incorporated herein clearly.Rectangular helical structure or the concentric cylindrical structure of being curled into simply of perforation of material.Improved filler main body has the open space of from 30% to 98% high level.Unexpectedly, find that curling filler main body provides good mass transfer and the efficiency of filler agent structure than before.

Prior art also discloses has the filler main body of open architecture substantially, and this open architecture has by forming the formed good inhibition of filler main body along the folding and crooked adjacent perforated plate of broken line, and wherein plate is parallel to each other substantially.

Therefore,, with respect to the filler of prior art disclosed above, exist the needs of simple, the cheap filler of high surface and high mass transfer efficiency are provided.

summary of the invention:

By thering is the independent tabular component of a plurality of droplet-like things (drip-point) and connector, assemble improved filler main body.Plate can have from 0.1 to 15mm thickness.The in the situation that of metal, thickness is generally from 0.2 to 0.4mm.The in the situation that of plastics, thickness is generally from 0.5 to 3mm, preferably 1 arrive 2mm, and ceramic in the situation that, plate preferably has from 2 to 8mm thickness.

Filler main body of the present invention is suitable for mass transfer operation, such as wherein using at present the biofilm reactor of the filler of similar wavy brush.In these application, the high surface of the filler of similar wavy brush is covered by one deck bacterium.For except degerming, by peeling off and dispose the air shearing (air shearing) of bacterium, carry out cleaned at regular intervals reactor.In biofilm reactor, with square stacking filler disclosed herein, make a preliminary test.Showing of stacking filler of the present invention is in most cases roughly the same, and better (type that depends on the pollutant in water) in some cases.Yet, compare with brush type filler, especially, in large reactor, stacking filler of the present invention more cheaply and is significantly more easily installed.Therefore based on cost/performance, stacking filler is obviously superior.

When considered in conjunction with the accompanying drawings, because the detailed description the present invention by reference to is below better understood, these and a lot of further feature of the present invention and the benefit of following will become obvious.

Accompanying drawing is described:

Fig. 1 is that the vertical cross-section of the filler described herein 100 that is assembled into by independent plate 10 represents.

Fig. 2 is that the plan view of the filler 100 of Fig. 1 represents.

Fig. 3 A is that the vertical cross-section of the first embodiment of the independent plate 10 of Fig. 2 represents.

Fig. 3 B is that the vertical cross-section of the second embodiment of the independent plate 10 of Fig. 2 represents.

Fig. 4 A represents for the independent plate 10 as shown in Fig. 3 A or Fig. 3 B being assembled into the vertical cross-section of the first embodiment of connector 10c of the filler 100 of Fig. 1.

Fig. 4 B represents for the independent plate 10 as shown in Fig. 3 A or Fig. 3 B being assembled into the vertical cross-section of the second embodiment of connector 10c of the filler 100 of Fig. 1.

Fig. 5 is that the plan view of the selectable embodiment of the filler 150 that is assembled into by circular slab 15 represents.

Fig. 6 is that the plan view of the selectable embodiment of the filler 160 that is assembled into by hexagonal plate 16 represents.

Fig. 7 is that the plan view of the selectable embodiment of the filler 170 that is assembled into by hexagonal plate 17 represents.

describe in detail:

With reference now to Fig. 1,, improved stacking filler 100 consists of at least two independent plates 10.Plate 10 is assembled into filler 100 by connector 10c, and connector 10c is positioned on each plate 10, as described further below.Preferably, plate 10 is made by the flexible plastic of the liquids and gases medium inertia in mass transfer column.

Such plastics by the flexible fluoropolymer polymer that comprises polypropylene or various injection moldables such as Teflon PFA (perfluoroalkyl vinyl ether-TFE copolymer) and Teflon FEP (tetrafluoraoethylene-hexafluoropropylene copolymer) or other such material.Expectation, is flexible and is deformable a little for the plastics of filler 100.

Plate 10 comprises the flat member 10f of relatively flat fluid penetrable, and fluid can flow through this flat member 10f.For example, as shown in Figure 3A, sheet 10f can have inner flow passage (being similar to those inner flow passage in the bulk matrix of sponge or fiber), and it is porous that inner flow passage makes it for fluid, flow.As selectable embodiment, sheet 10f can have a plurality of mobile perforate 10a as shown in Figure 3 B, to promote fluid easily to flow through sheet 10f.The perforate 10a that flows can optionally or with geometrical pattern be disposed on sheet 10f.The perforate 10a that flows can maybe will promote fluid to flow through any other suitable shape of sheet 10f for circle or square or rectangle or leg-of-mutton.

Drop on the lower surface 10f2 of sheet 10f, is provided with a plurality of droplet-like thing 10d, so that can form to promote the mass transfer with gas.Droplet-like thing 10d can be configured to cylindrical bar or tapered bar or promote any other suitable configuration that drop easily forms.In the process of manufacturing, droplet-like thing 10d can be molded in sheet 10f.

As previously described, independent plate 10 interconnects by connector 10c, to form filler 100.As Fig. 4 A shows in detail, connector 10c comprise be molded in the groove (socket) that defines shape 10s in first surface 10f1 or arbitrarily other hollow space and be appropriately set the sealed thrust 10n on the second surface 10f2 of the sheet 10f of plate 10.As shown in Figure 4 A, sealed thrust 10n can be uniform cylindrical bar, the uniform cylindrical hollow space 10sh in the groove 10s of its (frictionally engage) adjacent plate 10 that is frictionally engaged.Selectively, as shown in Figure 4 B, sealed thrust can be tapered cylindrical bar, the tapered cylindrical hollow space 10st in the groove 10s of its adjacent plate 10 that is frictionally engaged.But other configuration of the connector being frictionally engaged will be obvious to one skilled in the art.

In the process of manufacturing, connector 10c can be molded in sheet 10f.As shown in Figure 3A, the sheet 10f of plate 10 can make its connector 10c fluted 10s on its first surface 10f1 and make all sealed thrust of its connector 10c on its second surface 10f2.Selectively, as shown in Figure 3 B, groove 10s and thrust 10n can replace on each surface of sheet 10.Connector also plays the effect of sept, with the space that provides drop to form and discharge between two adjacent plates.

When being forced to enter groove 10s, thrust 10n forms firmly and connects.The reliability connecting can be by being used adhesive to be enhanced.Before forming connection, liquid adhesive can be injected in groove.

Stacking filler main body can have from 1 to 20 inch, conventionally the width of from 2 to 6 inches and height.Conventionally, width is about 1/10 to 6/1 with the ratio of height.Sealed thrust than the groove that match grows to few 1/20 to 1/6 inch conventionally, and typically have a diameter from approximately 1/12 to 1/8 inch.The number of determining plate by length and the spacing between plate of droplet-like thing.The spacing of plate is relevant with its fill factor, curve factor.Plate can have from 0.1 to 15mm thickness.The in the situation that of plastics, thickness is generally from 0.5 to 3mm.Filler main body will have from approximately 3 to 65 fill factor, curve factors of every foot conventionally, and surface area is from approximately 10 to 200 square feet/cubic feet.The bar of droplet-like has the diameter of from 1/25 to 1/6 foot, and is highly generally approximately 1/16 to 2 inches.Droplet-like thing needs not to be columniform.They can have square or other polygonal cross section.

Filler main body can have various geometries such as cylindrical (as shown in Figure 5).Selectively, filler main body can have the polygonal shape with parallel side wall, as rectangle, hexagon (as shown in Figure 6) or octagon (as shown in Figure 7).The width of plate can progressively reduce in the discrete steps.Conventionally, the horizontal size of each filler main body (or being diameter to cylindrical filler main body) is from 3 inches to 15 inches, approximately 10 inches conventionally.The height of 3 layers of filler main body can be for from 1 inch to 10 inches, approximately 3 inches conventionally.Spacing between adjacent plate depends on the length of droplet-like thing.Conventionally, droplet-like thing has the height of from 1/16 to 2.0 inch and has tapered end.Droplet-like thing can be up, projection down, or some projection and some projections down up.The filler main body of assembling will have at least 2 plates and preferably between 2 to 30 plates.Method of the present invention can be for the manufacture of large, modular, structurized filler main body, such as the module of cube or rectangular shape, is multiplied by 1 foot and is multiplied by 1 foot such as 1 foot; 2 inches are multiplied by 1 foot and are multiplied by 1 foot or 3 feet and are multiplied by 1 foot and are multiplied by 1 foot.Structurized module is set in tower with every next module, until tower is filled.

By longer bar is inserted in the relative groove of next plate, module can interconnect in heaps.Can make the orientation of bar from replacing and carry out stacking plate with the axial relative axle to crossing tower of tower.Can be full of with random filler the external volume of the tower between the heap of filler and the wall of tower.

Plate is without being identical size.When the size of plate is different, they can be stacked to form and approach ovoid or spherical three-dimensional polygonal shape.

To recognize, and only set forth the preferred embodiment of the present invention, and under not departing from as the defined the spirit and scope of the present invention of claim below, many replacements, change and change are admissible.

Claims (17)

1. for a filler main body for fluid contact, comprising:

A plurality of plates, its be stacked as one on another to form described filler main body;

Described plate comprise have a plurality of droplet-like things permeable of stream and

Make at least one jockey mutually locking in described plate and adjacent plate.

2. filler main body as claimed in claim 1, the pattern in the hole of the stream permeability of wherein said in described provides.

3. filler main body as claimed in claim 1, the described droplet-like thing on wherein said be on the lower surface of described towards under thrust.

4. filler main body as claimed in claim 3, wherein said thrust is the bar on the described lower surface of described.

5. filler main body as claimed in claim 3, wherein said thrust is the tapered bar on the described lower surface of described.

6. filler main body as claimed in claim 1, wherein said jockey is included in lip-deep hollow space of described plate and at another lip-deep sealed thrust, the described hollow space of the jockey that described sealed thrust is configured to be frictionally engaged in adjacent panel, to form described filler main body.

7. filler main body as claimed in claim 6, wherein said sealed thrust is bar.

8. filler main body as claimed in claim 6, wherein said sealed thrust is tapered bar.

9. filler main body according to claim 1, wherein said open volume is greater than 30%.

10. filler main body according to claim 3, wherein said open volume is from 50% to 98%.

11. filler main bodys according to claim 1, it is formed by the organic resin synthesizing.

12. filler main bodys according to claim 1, wherein said plate is the heap that plate rectangle and described forms rectangle.

13. filler main bodys according to claim 1, wherein said plate is circular and described plate forms columniform heap.

14. filler main bodys according to claim 12, at least one angle of the heap of wherein said rectangle is removed, to form faceted in described filler main body.

15. filler main bodys according to claim 1, it comprises 2 to 30 plates.

16. filler main bodys according to claim 15, wherein said main body has the fill factor, curve factor from every foot of 3-65.

17. filler main bodys according to claim 16, wherein said main body has from the surface area of 70-200 square feet/cubic feet.