JP3126294B2 - Filter press suspension device for filter press - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter press suspension apparatus for a filter press, and more particularly to a filter press filter for simplifying the connection between a hanging tool and a filter cloth hanging rod and preventing the connection from being disconnected during use. The present invention relates to a cloth suspension device.

[0002]

2. Description of the Related Art Conventionally, a filter cloth hanging rod for hanging a filter cloth of a filter press on a filter plate is provided by a spring supported from an upper part of a supporter standing on the filter plate or a pantograph rotatably fixed to a side surface of the filter plate. S or the like, and the lower end of the spring S or the like is wound around a small diameter portion H (FIG. 7) provided at the end of the filter cloth hanging rod B, or the screw rod M ( (8) Or by connecting the lower end of the spring or the like to an annular mounting bracket or the like, the filter plate is suspended from above.

[0003]

However, in the above-mentioned conventional apparatus, if the filter cloth hanging bar and the filter cloth vibrate between the filter plates when the plate is opened, the connection between the filter cloth hanging rod and the spring may be disconnected. When the connection is released, the filter cloth hanging rod falls down between the filter plates together with the filter cloth. Further, processing the small diameter portion H on the filter cloth hanging rod requires a corresponding number of processing steps and increases the cost. In the case where the threaded rod M is fitted into the filter cloth hanging rod, the nut N to be fitted under the threaded rod M is easily loosened. Further, when the number of filter plates is increased, the number of steps for fitting the screw rod M and the nut N into the large number of filter cloth hanging rods B and tightening them is troublesome and takes a long time. An object of the present invention is to solve the above-mentioned conventional drawbacks, so that even when the filter cloth hanging bar and the filter cloth vibrate when the plate is opened, the connection between the filter cloth hanging rod and the hanging tool does not come off. The object of the present invention is to eliminate the necessity of performing a complicated process such as a small-diameter portion on a filter cloth hanging rod, and to eliminate the need for a screw rod or a mounting bracket, thereby making the connection between the filter cloth hanging rod and the hanging tool simple and easy.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, a filter cloth is hung on a filter cloth hanging rod suspended above a filter plate through a hanging member to perform filtration dehydration. In a filter cloth hanging apparatus of a filter press to be performed, one end of a through hole is opened on an upper end portion of the filter cloth hanging rod suspended through the hanging tool, and the above-mentioned filter cloth hanging rod is provided at a longitudinal side end thereof. The other end of the through hole is opened, the lower end of the hanging tool is passed through the through hole, and the lower end of the hanging tool is connected along the longitudinal direction of the filter cloth hanging rod.

[0005] The invention described in claim 2 is the invention described in claim 1, wherein the filter cloth hanging rod is a hollow tube.

According to a third aspect of the present invention, a hollow short pipe is connected to an end of a filter cloth hanging rod, one end of a through hole is opened on an upper surface of the hollow short pipe, and the hollow short pipe is connected to the hollow short pipe. The other end of the through hole is opened at the side end in the longitudinal direction, the lower end of the hanging tool is passed through the through hole, and the lower end of the hanging tool is connected along the longitudinal direction of the filter cloth hanging rod. is there.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, a hanger for hanging the filter cloth hanging bar is constituted by a helix spring.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, a filter cloth hanging rod suspended via the hanging member is provided on a filter plate of a center feed type filter press. A center-feed type filter cloth is hung.

[0009]

The filter cloth hanging bar 1 is suspended above the filter plate via a spring 5 as a hanging tool, and the filter cloth 2 is hung on the filter cloth hanging rod 1 to enable a filtering operation. The connection between the spring 5 and the filter cloth hanging bar 1 is performed as follows. One end of a through hole 10 has an opening 9 in the upper surface 8 of the end portion 4 of the filter cloth hanging rod 1, and the other end of the through hole 10 has an opening 12 in a longitudinal side end 11 of the filter cloth hanging rod 1. Then, the lower end 6 of the spring 5 is passed between the openings 9 and 12.
The lower end 6 of the spring 5 passed between the openings 9 and 12 is connected to the filter cloth hanging bar 1 along the longitudinal direction of the filter cloth hanging rod 1. As described above, the filter cloth 2 is hung on the filter cloth hanging rod 1 connected to the spring 5, and after the filtering operation, the filter cloth 2 is separated from the filter plate 3 by opening, and the filter cloth 2 and the filter cloth hanging rod 1 are opened. Vibrates back and forth in the direction. Due to the above vibration, the connection between the spring 5 and the filter cloth hanging bar 1 does not come off. Also, the connection between the spring 5 and the filter cloth hanging bar 1 is simple and easy.

Further, since the present invention is configured as described above, it is not necessary to process the small diameter portion H or the like on the filter cloth hanging rod 1.
In addition, since no screw bar or mounting bracket is required in addition to the spring 5 and the filter cloth hanging bar 1 as the above-mentioned hanging tool, the cost is reduced accordingly and the connecting operation is not complicated.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to FIGS. In FIG. 1, the filter cloth hanging rod 1 belonging to the left filter plate 3 in the opened state hangs the filter cloth 2 hanging on the left filter plate 3, and the filter cloth hanging rod 1 belonging to the right filter plate 3 The filter cloth 2 is hung on the filter plate 3 on the right side. Further, the end 4 of the filter cloth hanging bar 1 belonging to the left filter plate 3 is connected to the lower end 6 of the spring 5 as a hanger, and the filter cloth hanging rod 1 belonging to the right filter plate 3 is provided. Is connected to the lower end 6 of a spring 5 serving as a hanger. Each of the springs 5 has a filter plate 3
Is suspended from the middle of each pantograph 7 whose base end is rotatably supported on the side surface of the pantograph 7. As shown in FIG. 2, the outer pantograph 7 and the inner pantograph 7 have their upper ends rotatably fixed to each other. The filter cloth hanging rod 1 belonging to the left filter plate 3 has a length such that the end portion 4 protrudes outside the outer pantograph 7, and the filter cloth hanging rod 1 belonging to the right filter plate 3.
Has a length such that the end 4 enters inside the inner pantograph 7. The filter cloth 2 is provided with the undiluted hole 15 in the undiluted hole 16 of the filter plate 3.
And a filter cloth of a center feed type filter press that covers both sides of the filter plate 3 through the filter cloth. Stock solution hole 1 of filter cloth 2 as described above
Since 5 passes through the undiluted solution hole 16 of the filter plate 3, the opening of the filter cloth 2 causes the filter cloth 2 to open greatly back and forth in the opening direction and vibrate, but the lateral sway is restricted. The spring 5 as the above-mentioned hanging tool may be hung from a well-known support standing on a filter plate. Further, the spring 5 may be replaced by a hanger made of another elastic member.

FIG. 3 shows an enlarged detail of a connection portion between the filter cloth hanging bar 1 and a spring 5 as a hanger. In the figure, a filter cloth hanging rod 1 is a hollow tube body, and an opening 9 is formed in an upper surface 8 of an end 4 thereof. In addition, an opening 12 is formed at a longitudinal side end 11 of the filter cloth hanging bar 1. Both openings 9.1
A through hole 10 through which the lower end 6 of the spring 5 passes is formed between the two.

The lower end 6 of the spring 5 extends from the opening 12 side to the opening 9 side. The tip of the spring 5 protrudes along the longitudinal direction of the filter cloth hanging bar 1 and is bent toward the opening 12 to be curved.

FIG. 4 shows a second example, in which the direction of the spring 5 shown in FIG. 3 is changed to the opposite side on the filter cloth hanging rod 1, and the lower end 6 of the spring 5 is moved from the opening 9 side to the opening 12 side. Through. The distal end of the spring 5 is projected onto the opening 12 and bent toward the opening 9 to be curved.

FIG. 5 shows a third example, in which the direction of the spring 5 is the same as that shown in FIG. 3, but a short hollow tube 13 is connected to the end 4 of the filter cloth hanging rod 1. . Therefore, the upper surface 8 of the filter cloth hanging bar 1 has no opening 9, and the upper surface 8 of the hollow short tube 13 has the opening 9. The hollow short pipe 13 has the fitting side 14 fitted and connected to the outer periphery of the filter cloth hanging bar 1, but may be connected to the inner periphery of the filter cloth hanging rod 1. Further, the intermediate portion of the filter cloth hanging bar 1 is not limited to a tubular body, and may be, for example, a round bar made of metal or synthetic resin.

FIG. 6 shows a fourth example, in which the filter cloth hanging bar 1 is a round bar, and the end portion 4 of the bar 4 is obliquely penetrated through the through hole 10. The opening 9 at one end of the through hole 10 is opened at the upper surface 8 of the end 4, and the opening 12 at the other end is opened at the side end 11 of the filter cloth hanging bar 1 in the longitudinal direction. The through hole 10 may penetrate in an L shape. Further, the lower end portion 6 of the spring 5 may pass through either of the openings 9 and 12.

The filter cloth hanging rod 1 connected to the spring 5 as described above.
The filter cloth 2 is suspended from the filter plate 2 and the filter cloth 2 is separated from the filter plate 3 by opening, and the cake is discharged. During the opening, the filter cloth hanging bar 1 and the filter cloth 2 vibrate and open between the filter plates 3 as shown in FIG. At this time, since the filter cloth hanging bar 1 and the spring 5 are connected as described above, the filter cloth hanging rod 1 is detached from the spring 5 and falls down with the filter cloth 2 below the filter plate even if the plate is opened many times. Nothing.

Further, the filter cloth suspending apparatus of the present invention is effectively implemented not only in the illustrated filter press but also in other filter presses such as a bottom feed type or a top feed type filter press. Alternatively, the filter cloth hanging bar 1 may be one between the filter plates, and the filter cloth 2 may be hung so as to straddle the filter cloth hanging rod 1.

[Brief description of the drawings]

FIG. 1 is a front view in which a filter cloth is hung on a filter plate by the filter cloth hanging apparatus of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is an enlarged perspective view showing a connecting portion between a spring and a filter cloth hanging rod in the filter cloth hanging apparatus shown in FIG. 1;

FIG. 4 is an enlarged perspective view showing a connecting portion between the spring and a filter cloth hanging rod as a second example.

FIG. 5 is an enlarged perspective view showing a connection portion between the spring and a filter cloth hanging bar as a third example.

FIG. 6 is an enlarged perspective view showing a connecting portion between the spring and a filter cloth hanging rod as a fourth example.

FIG. 7 is a partially cut front view showing a conventional example.

FIG. 8 is a partially cut front view showing another conventional example.

[Explanation of symbols]

1: filter cloth bar, 2: filter cloth, 3: filter plate, 4: end of filter cloth bar, 5: spring, 6; lower end of spring, 7; pantograph,
8; upper end of filter cloth hanging rod; 9; opening; 10; through hole, 1
1; side end, 12; opening, 13; hollow short tube, 14; fitting side, 15; filter cloth stock solution hole, 16; filter plate stock solution hole.

──────────────────────────────────────────────────続 き Continuing from the front page (72) Tomoko Kanagi, Inventor 13-23 Oyamanakacho, Sakai City, Osaka (72) Takashi Urata, 2-2-2-2 Isogamicho, Kishiwada City, Osaka Examiner Tomotaka Honma (56) References JP-A-63-252514 (JP, A) JP-A-2-61403 (JP, U) JP-A-49-43937 (JP, Y1) (58) Fields investigated (Int. Cl. ⁷ , DB name) B01D 25/00-25/38

Claims (1)

(57) [Claims] 1. A filter cloth hanging apparatus of a filter press, wherein a filter cloth is hung on a filter cloth hanging rod suspended above a filter plate via a hanging tool to perform filtration and dewatering. The hollow short tube is connected, one end of a through hole is opened on the upper surface of the hollow short tube, and the other end of the through hole is opened at the longitudinal side end of the hollow short tube, and the through hole is opened. A filter cloth suspending device for a filter press, wherein the lower end of the suspending tool is passed through and the lower end of the suspending tool is connected along the longitudinal direction of the filter cloth hanging bar.