JPH0123528Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a filtration device for removing solid matter contained in a fluid.

This type of filtration device includes a cylindrical filter member 1 shown in FIG. 1 and a cylindrical container 2 shown in FIG.
A device that filters solids by incorporating the fluid from the outer circumferential surface to the inner circumferential surface of the filter member 1, and a device that filters solids by incorporating a plurality of grooves 3a in the circumferential direction on the cylindrical outer circumferential surface as shown in FIG. The formed filtration member 3 is assembled into a cylindrical container 4 shown in FIG. A device for filtering fluid by stacking a plurality of disk-shaped filter members 6 shown in FIGS. 6 and 7 in a cylindrical container 5 shown in the figure, or a box-shaped container 7 as shown in FIG. Devices that filter fluid by folding and accommodating sheet-like filter members 8 are widely used.

However, in the former filtration device in which the filtration members 1, 3, and 6 are respectively housed in the containers 2, 4, and 5, processing of each of the filtration members 1, 3, and 6 is troublesome, and when increasing the filtration area, It has the disadvantage that it is difficult to miniaturize, and the latter filtration device in which the sheet-like filtration member 8 is folded and housed in the box-like container 7 has a high removal efficiency, but the abnormal pressure at the start of filtration There is a disadvantage that the filter member is easily destroyed by.

Therefore, a filtration roll is formed by winding the filtration member and the partition member in a spiral shape while maintaining a predetermined interval, and sealing the gap between the filtration member and the partition member at both side edges of the filtration member and the partition member. and,
At one end of the filter roll, a first seal member provided between the filter member and one partition member adjacent to the filter member, and at the other end of the filter roll, a first seal member is provided between the filter member and the filter member. A filtration device equipped with a second seal member provided between the partition member and the other adjacent partition member was developed.
55-11363).

However, in this filtration device, the opening part of the filtration member where the sealing member is not provided is likely to deform and hinder the flow of fluid between the filtration member and the partition member. There is a problem that filtration performance is greatly reduced.

In the present invention, the open hem part of the filter member where the seal member is not provided is difficult to deform, and therefore the fluid flows well between the filter member and the partition member, and the filtration performance is good. The object is to provide a filtration device that is easy to assemble.

In order to achieve the above object, the present invention has a filtration member and a partition member that are wound in a spiral shape while maintaining a predetermined interval, and that the filtration member and the partition member are wound on both sides of the filtration member and the partition member. a first seal member provided between the filter member and one partition member adjacent to the filter member at one end of the filter roll; Reinforcement for maintaining the spiral shape of the filtration member in a filtration device comprising, at the other end of the filtration roll, a second seal member provided between the filtration member and the other partition member adjacent to the filtration member. and a spacer section for securing a space between the filter member and the partition member, at one end and the other end of the filter roll, between the filter member and the partition member where the seal member is not provided. A spacer portion is disposed at the filtration member, and the reinforcing portion is attached to the end of the filter member.

Hereinafter, the present invention will be explained in detail with reference to the drawings.

9 to 14 show an embodiment of the present invention, and reference numeral 10 in the figures is a filter roll, and this filter roll 10 has a sheet-like filter member 11 and a partition member 12 separated by an appropriate interval. The filter member 1 is held and wound into a spiral shape, and the spirally wound filter member 1
1 and side edges 11a, 12 on the center side of the partition member 12
A core material 13 for sealing the space between the filter member 11 and the partition member 12 is inserted in a, and the outer peripheral side edge 11 of the spiral filter member 11 and the partition member 12
b, 12b, the filter member 11 and the partition member 12
A blocking member 14 that seals the gap is fixedly configured. Both end shaft portions of the core material 13 are filter rolls 1
The filter roll 10 protrudes outward from the end of the shaft, and the filter roll 10 is supported and accommodated in a suitable container via the shaft. In addition, the above filter roll 1
At one end 10a of the filter roll 10, a first seal member 15 is provided between the filter member 11 and an outer partition member 12 adjacent to the filter member 11, and at the other end 10b of the filter roll 10, the first seal member 15 is provided between the filter member 11 and the outer partition member 12 adjacent to the filter member 11. A second seal member 16 is provided between the filter member 11 and the adjacent inner partition member 12 . A gap A between the filter member 11 and the outer partition member 12 adjacent to the filter member 11, and a gap B between the filter member 11 and the inner partition member 12 adjacent to the filter member 11. A fluid passage is thus defined.

Note that, as shown by the two-dot chain line in FIG. 13, there is a risk that the end portion 11c of the filtering member 11 may tilt and close the gaps A and B. Therefore, as shown in FIG. 14, the spiral shape of the filtering member 11 is Reinforcing member 19a that holds
and between the filter member 11 and the partition member 12 A, B
A holding member 19 consisting of a spacer portion 19b that secures the filtering member 11 is attached to the end portion 11c of the filtering member 11.
Furthermore, the distance A between the filter member 11 and the partition member 12,
In order to secure B even more reliably, spacer blocks should be placed between A and B between the filter member 11 and the partition member 12.
or insert it into the middle part of, as shown in Figure 15,
Spacer members 20 such as wire mesh or springs may be attached to both sides of the partition member 12, or as shown in FIG.
As shown in FIG. 7, the filter member 11 and the partition member 12
A coarse filter member 21 with low fluid resistance may be inserted between A and B. Further, as the partition member 12, it is preferable to use a metal plate such as a thin iron plate or a stainless steel plate, but when inserting a coarse filter member 21 shown in FIG. The partition member 12 is made of silver paper,
Materials such as aluminum foil may also be used.

The filtration device 22 configured as described above is placed in the container 2.
5 and installed between a pair of pipes 23 and 24 will be described with reference to FIG.
Flange 2 formed at one end of each pipe 23, 24
A pair of flanges 25a, 25b formed at both ends of a cylindrical container 25 are brought into contact with the flanges 3a, 24a, and are fixed by bolts 26 and nuts 27. A pair of boss parts 28b, 29b are formed at the center of a pair of cylindrical rim parts 28a, 29a at both ends of the interior of the container 25, and each rim part 28a, 29a and each boss part 28b, 29b An integrated bearing member 28, 29 having a plurality of arms 28c, 29c provided between each rim portion 28,
One end 28d, 29d of a, 29a is connected to each pipe 23,
24, and is fitted in contact with the flanges 23a, 24a of 24, and the insertion holes 28 of each boss portion 28b, 29b
The filtration device 22 is installed in the container 25 by fitting both ends of the core material 13 of the filtration device 22 into the holes 29e and 29e. In addition, the outer peripheral portions of both ends of the filtering device 22 and the rim portions 28a, 29a of each bearing member 28, 29 are provided.
A packing member 30 that prevents fluid from leaking to the outer periphery of the filter device 22 is sandwiched between the flanges 28f and 29f at the other end.

Next, when using the filtration device 22 according to the present invention, when the fluid flows from one pipe 23 to the other pipe 24 as shown by the arrow in FIG. arm 28
c, and enters the inside of the filtration device 22 from the left end. Then, as shown in FIG. 12, the fluid passes through the filter member 11 from the bottom A, enters the bottom B, and flows out from the right end of the filtration device 22. At this time, the fluid is filtered by the filter member 11. Next, the fluid coming out from the right end of the filtration device 22 passes between the arms 29c of the other bearing member 29 and enters the other piping 24.
It flows inside.

The materials used for each component of the filtration device according to the present invention may be appropriately selected depending on the temperature, pressure, composition, etc. of the fluid.

As explained above, in the present invention, the filtration member and the partition member are wound in a spiral shape while maintaining a predetermined interval, and the gap between the filtration member and the partition member is closed at both side edges of the filtration member and the partition member. a filtration roll formed in a hermetically sealed manner; a first seal member provided at one end of the filtration roll between the filtration member and one partition member adjacent to the filtration member; In the filtration device, the filtration device includes a second seal member provided between the filtration member and the other partition member adjacent to the filtration member at the end; A holding member including a spacer portion that secures a gap between the member and the partition member arranges the spacer portion between the filter member and the partition member where the seal member is not provided at one end and the other end of the filter roll. The reinforcing part is attached to the end of the filtration member, and the spiral shape of the filtration member is held in a predetermined state by the reinforcing part of the holding member, and the spacer part holds the spiral shape of the filtration member in a predetermined state. Partition member
Since the filtration member, which is generally inferior in rigidity, does not tilt or deform due to the pressure of the fluid, it does not obstruct the flow of fluid in and out. This has the effect of maintaining good filtration performance over a long period of time. In addition, since the spacer part is provided on the holding member together with the reinforcing part, the spacer part can be easily attached by simply attaching the reinforcing part to the filter member without using adhesive or other fixing means. Another advantage is that it can be attached to a predetermined position and is easy to assemble.

[Brief explanation of the drawing]

1 to 8 show various conventional filtration devices, in which FIG. 1 is a perspective view of filter member 1,
The figure is a sectional view, the third figure is a perspective view of the filter member 3, and the fourth figure is a perspective view of the filter member 3.
The figure is a sectional view, Figure 5 is a perspective view, Figures 6 and 7 are perspective views showing the internal state, Figure 8 is a perspective view, and Figure 9 is a perspective view.
12 to 12 show an embodiment of the present invention, FIG. 9 is a plan view, and FIG. 10 is a -
11 is a perspective view, FIG. 12 is an enlarged end view, FIG. 13 is an explanatory diagram showing a state in which the end of the filter member 11 is inclined, and FIG. 14 is an end view of the filter member 11. An external view of the holding member 19 that prevents the part from tilting;
15 to 17 are cross-sectional views showing various examples for maintaining the gaps A and B between the filter member 11 and the partition member 12, and FIG. 18 shows the filtration device 22 attached to the pipes 23 and 24. FIG. 10... Filter roll, 11... Filter member, 12
...Partition member, 10a...one end, 10b...other end, 11a, 11b, 12a, 12b...side edge,
15...First seal member, 16...Second seal member, 22...Filtering device.

Claims (1)

[Scope of utility model registration request] The filter member 11 and the partition member 12 are wound in a spiral shape while maintaining a predetermined interval, and the filter member 11
and both side edges 11a, 11b, 12 of the partition member 12
a, 12b, a filter roll 10 formed by sealing the gaps A, B between the filter member 11 and the partition member 12, and one end 10a of this filter roll 10.
In the above filtering member 11 and this filtering member 11
A first seal member 15 provided between one partition member 12 adjacent to the filter member 11 and the other partition member adjacent to the filter member 11 at the other end 10b of the filter roll 10. 12, a reinforcing part 19a that maintains the spiral shape of the filtering member 11 and gaps A and B between the filtering member 11 and the partition member 12 are ensured. At one end 10a and the other end 10b of the filter roll 10, a holding member 19 including a spacer portion 19b is attached to the sealing member 15,
A filtration device characterized in that a spacer portion 19b is disposed between a filtration member 11 and a partition member 12 in which the filtration member 16 is not provided, and the reinforcing portion 19a is attached to an end portion 11c of the filtration member 11. .