JP3176658B2 - Packing for gas-liquid contact - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packing for gas-liquid contact, in which the inside of a packed tower or the like is irregularly filled to make gas-liquid contact.

[0002]

2. Description of the Related Art Conventionally, a packing which is used by being irregularly packed in a packed tower is provided with a gas-liquid flow passage (2) in the axial direction of the inner circumference of a cylindrical body (1) as shown in FIG. Is known. Since this conventional packing (3) has a simple shape,
High strength against deformation and easy handling.

However, this filler (3) does not have an opening on the outer peripheral surface of the tubular main body (1). Therefore, when the filler (4) is in a state of lying down, liquid or gas does not flow through the flow passage (2), and almost no gas-liquid contact occurs on the inner surface of the cylindrical main body (1). In addition, the flowing liquid is liable to be concentrated on a part of the liquid, which tends to cause drifting, and has a disadvantage that uniform gas-liquid contact is not performed.

[0004] In addition, a filler shown in FIG. 5 exists in an attempt to solve the above-mentioned drawbacks. This filling (5)
Since the opening (7) was provided in the cylindrical main body (6), gas-liquid circulation was excellent and the gas-liquid contact effect was large.

[0005] However, the conventionally known packing (5)
Has a rectangular opening (7) and a tongue-shaped projection (8) protruding only at one end of the opening (7), so that the opening (7) is not reinforced at all, Is weak. Therefore, this filling
(5) is that when a large amount is packed in the packed tower, it is easily deformed by the weight from the top, and the crushed packed material (5) impedes the flow of gas and liquid to this part, causing drift or large pressure. It had the disadvantage of causing a descent.

[0006]

DISCLOSURE OF THE INVENTION The present invention is directed to a packing for gas-liquid contact wherein gas and liquid are brought into contact with each other by randomly filling the inside of the packed tower. In addition to reducing the size, weight, and strength of the device, the gas-liquid flowability is improved, the pressure drop during operation is small, and reliable gas-liquid contact is enabled.

[0007] Further, the structure of the filler is simply formed, and an inexpensive production is attempted.

In order to solve the above-mentioned problems, the present invention has a cylindrical body provided with a gas-liquid flow passage in the inner peripheral axis direction, and a circular hole is punched out from the outer peripheral surface in the flow path direction. The burr generated on the outer periphery of the circular hole is projected into the flow passage by the opening.

[0009]

Since the present invention has the above-mentioned structure,
The packing of the present invention, which is packed irregularly in a packed tower or the like, allows gas and liquid to flow through a flow passage or a circular hole provided in the cylindrical main body.

[0010] When a hole is punched and opened, the filler deforms and projects the cylindrical body of the punched opening inward,
A burr projecting into the flow passage is formed on the outer periphery of the punching opening.

For this reason, the filling material not only enhances the gas-liquid circulation by opening the circular hole, but also the burr protruding into the flow passage reinforces the opening and increases the strength. I have.

[0012] As described above, since the packing has the flow passage and the circular hole opened in the cylindrical main body, the gas and the liquid have good flowability and the pressure drop during operation is small. In addition, since the filler has irregular burrs protruding from the outer periphery of the circular hole, the end area of the burrs is formed large, and gas-liquid contact with a large contact area becomes possible.

Further, since the packing is increased in strength by burrs, even if a large amount is packed in the packed tower, deformation such as crushing does not occur, and the gas-liquid contact density is formed to be constant. Thus, reliable gas-liquid contact can be achieved.

In addition, the filler is not provided with burrs regularly,
Irregular burrs protrude inside the cylindrical body. For this reason, the punching die used for forming the filler has a simple structure, and the filler can be manufactured at low cost.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below.
Is a cylindrical main body, which is formed of a corrosion-resistant metal plate such as stainless steel, and whose diameter, length, etc. can be formed to any size according to the packed tower, purpose of gas-liquid contact, and the like. In this embodiment, the diameter and the length are formed in substantially equal dimensions as shown in FIG.

The cylindrical main body (10) is provided with a gas-liquid flow passage (11) in the axial direction of the inner circumference. And cylindrical body
(10) is a plurality of circular holes extending from the outer peripheral surface in the direction of the flow passage (11).
(12) is punched and opened, and the formation area of this circular hole (12) is
It is 5% to 35% of the outer peripheral area of the cylindrical main body (10).

The method of forming the circular hole (12) is performed before the cylindrical main body (10) is formed in a cylindrical shape. First, as shown in FIG. 2, a flat plate (13) before becoming a cylindrical main body (10) is
The upper mold (14) is interposed between the upper mold (14) and the lower mold (15), and the upper mold (14) is pressed by the upper mold (14).
The pressing protrusion (16) provided on the lower surface of the flat plate (13) is pressed against the flat plate (13) to open a circular hole (12) in the flat plate (13) as shown in FIG. Further, with the formation of the circular hole (12), the flat plate (13) is placed in the groove (17) of the lower mold (15) as shown in FIG.
8) protrude from the lower surface.

The flat plate on which the burrs (18) are projected
(13) is rolled into a tube to form a filling (19).

In the apparatus constructed as described above, the packing (19) which is packed randomly in a packed tower or the like,
The flow passage provided in the cylindrical main body (10) even in the sideways state
Gas and liquid can be circulated through (11) and the circular hole (12).

Since the filler (19) forms burrs (18) irregularly projecting into the flow passage (11) on the outer periphery of the circular hole (12), the filler (19) is The circular hole (12) not only enhances gas-liquid flowability, but also does not cause the liquid to concentrate on a part or cause a drift, etc., disperses the liquid widely, and provides a uniform contact area between the gas and the liquid. Large gas-liquid contact is possible.

The filler (19) is formed by inserting a burr (18) into a circular hole.
Since it protrudes from the outer periphery of (12), it has superior strength and does not collapse or deform as compared with the conventional filler having an opening.

[0022]

The present invention is constructed as described above.
In packing to be packed irregularly in a packed tower, etc., the packing is
By the flow passages and the circular holes formed in the cylindrical main body, the gas-liquid flowability is good, and the pressure drop during operation can be reduced.

Further, since the filler has irregular burrs protruding from the outer periphery of the circular hole, the end area of the burrs is formed large, and gas-liquid contact with a large contact area becomes possible. In addition, gas and liquid drift can be prevented.

Further, since the packing has increased strength due to burrs provided on the outer periphery of the circular hole, even if the packing is filled in a large amount, deformation such as crushing is less likely to occur. , The gas-liquid contact density is maintained satisfactorily, and reliable gas-liquid contact becomes possible.

Further, the filler does not need to be regularly provided with burrs as in the prior art, and irregular burrs are projected. For this reason, the punching die used for forming the filler has a simple structure, and the filler can be manufactured at low cost.

[Brief description of the drawings]

FIG. 1 is a perspective view

FIG. 2 is a conceptual diagram of a mold.

FIG. 3 is a perspective view showing a state in which burrs are provided on a flat plate.

FIG. 4 is a perspective view of a conventional filler without an opening formed in a cylindrical main body.

FIG. 5 is a perspective view of a conventional filler having an opening formed in a cylindrical main body.

[Explanation of symbols]

 Reference Signs List 10 cylindrical main body 11 flow passage 12 circular hole 18 burr

Claims (1)

(57) [Claims] 1. A circular hole is punched out from an outer peripheral surface in a direction of a flow passage in a cylindrical main body provided with a gas-liquid flow passage in an inner peripheral axial direction, and the circular hole is formed on the outer periphery of the circular hole. A filler for gas-liquid contact, wherein burrs are projected into a flow passage.