JPH072005Y2 - Filter press filter cloth - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a filter cloth for a filter press.

[0002]

2. Description of the Related Art A filter cloth hooking device for tensioning a filter cloth between filter plates arranged in front and back is provided from upper ends of left and right swingable link arms extending upward from a side surface of the filter plate through a suspending device such as a spring. A bag in which the filter cloth suspension rod is hung horizontally, and the lower end rod is horizontally supported between a pair of left and right support fittings projecting below the filter plate, and the filter cloth suspension rod is formed above the filter cloth. It is known that the lower end bar is inserted into the bag part formed in the lower part of the filter cloth.

[0003]

However, in order to attach the above filter cloth to the filter press, the filter cloth suspension rods above the filter plate are removed from the left and right suspenders, and the filter cloth is preformed on the upper part of the filter cloth. Insert it through the bag part, and then alternately attach both ends of the filter cloth suspension rod to the left and right suspenders, then remove the lower end bar from the support metal fitting on the lower side of the filter plate and insert it into the bag part under the filter cloth, Then, the troublesome work of alternately attaching both ends of the lower end rod to the left and right support fittings was required.
Moreover, since the filter cloth suspension rod is located at a high place above the filter plate, the lower end rod is located below the filter plate, and the width of the filter plate is wide, it is necessary for two people to perform the above-mentioned filter cloth hanging work. The number of workers required, and particularly when the number of filter plates was large, an extremely long time was required for the above work.

According to the present invention, when the filter cloth is attached to or detached from the filter press, it is not necessary to attach or detach the filter cloth suspension rod to at least the upper hanging member, and the filter cloth is hung on the filter cloth suspension rod. (EN) A filter cloth for a filter press, which can be easily removed and can be securely attached to a filter cloth suspension rod.

[0005]

The filter cloth of the filter press according to the present invention is arranged so as to span the filter cloth suspension rod above the filter plate and the lower end bar below the filter plate of the filter press. A plurality of pin holes are formed at a predetermined interval on the portion of the filter cloth wound around the filter cloth hanging rod, and a pair of fasteners such as hook and loop fasteners are attached to both sides of the pin hole row along the pin hole row. It is characterized in that a bag portion that can be opened and closed is formed. If necessary, a similar pin hole may be formed in the portion wound around the lower end bar, and a pair of locking tools may be attached to form an openable / closable bag portion along the row of pin holes.

[0006]

[Function] A plurality of filter cloth hanging pins corresponding to the pin holes on the upper part of the filter cloth are projected on the upper surface of the filter cloth hanging rod, and the upper part of the filter cloth is spread to cover the filter cloth hanging rod. The upper part of the filter cloth is attached to the filter cloth hanging rod by inserting the filter cloth hanging pin of the filter cloth hanging rod into the above and then closing the locking tool on the upper part to form the bag portion. In addition, a plurality of filter cloth hanging pins corresponding to the pin holes in the lower part of the filter cloth are projected on the lower surface of the lower end rod, the lower part of the filter cloth is widened, and the filter cloth hanging pin of the lower end rod is inserted into the pin hole. Then, the lower part of the filter cloth is attached to the lower end bar by closing the locking tool on the lower part and forming the bag part.

Then, the locking tool on the upper part of the filter cloth is opened, the pin hole portion on the upper part of the filter cloth is lifted up, and the filter cloth hooking pin of the filter cloth hanging rod is ejected from the pin hole, whereby the filter cloth is filtered. Removed from hanging bar. Further, the filter cloth is removed from the lower end bar by opening the locking tool at the lower part of the filter cloth and pulling the filter cloth downward to allow the filter cloth hooking pin of the lower end bar to escape from the pin hole in the lower part of the filter cloth.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, a filter plate 1 has a horseshoe-shaped outer ear 2 projecting upward from the frame portion at the center of the upper side of its rectangular frame portion, and further projecting outward in the width direction at the four corners of the top, bottom, left and right. The outer ear 2 on the upper side has a stock solution supply port 2a, and the upper, lower, left and right outer ears 3 have a filtrate passage 3a
Are perforated respectively. The left and right side plates 5, which are fixed to the floor and extend long in the front-rear direction (direction perpendicular to the paper surface), are provided with arms 4 and 4 protruding from the left and right sides of the frame portion.
It is slidably mounted on the table 5.

Two inner and outer link arms 6 and 7 are attached to the side surface of the end of the arm 4 so as to be capable of swinging forward and backward, and the upper end of the inner link arm 6 is forward (front side in the drawing).
The upper end of the outer link arm 7 of the front filter plate 1 located at
The upper end of the outer link arm 7 is connected to the upper end of the inner link arm 6 of the rear filter plate 1 located rearward (back side of the paper) by pins 8.

Then, the suspenders 9, 9 are hung from positions slightly below the respective connecting portions of the left and right inner link arms 6, 6 and the outer link arms 7, 7, and the left and right suspenders 9, 9.
A filter cloth suspension rod 10 is horizontally mounted between the lower ends of the filter cloth 9, and filter cloth hooking pins 11 are projectingly provided at five points on the upper surface of the filter cloth suspension rod 10. On the other hand, a pair of left and right L-shaped metal fittings 12 are fixed to the lower end of the filter plate 1, and upper and lower two lower end bars 13 and 13 are provided in vertical guide holes provided in the vertical portions of the L-shaped metal fittings 12. Both ends of the lower end rods 13 are vertically slidably inserted and detachably inserted, and filter cloth hooking pins 14 are projectingly provided on the lower surface 5 of each of the lower end rods 13 and 13.

The filter cloth 20 that straddles the filter cloth suspension rod 10 and the lower end rod 13 (see FIG. 2) has a pair of surface fasteners 21, 22 that are long in the width direction on the upper end side (left side in FIG. 2). Are fixed at intervals, and 5 are provided between the surface fasteners 21 and 22 in correspondence with the filter cloth hanging pin 11 of the filter cloth suspension rod 10.
Individual pin holes 23 are opened. In addition, the filter cloth 20
Like the upper end, the lower end of the pair of surface fasteners 21, 2
2 is fixed, and the pin hole 23 is opened between them.
In addition, 24 is a stock solution supply port opened corresponding to the stock solution supply port 2 a of the filter plate 2.

The filter cloth 20 is spread out, the upper part thereof is hung on the filter cloth suspension rod 10, the filter cloth hooking pin 11 is inserted into the pin hole 23, and then the surface fasteners 21 and 22 are combined and closed. The filter cloth 20 is attached to the filter cloth suspension rod 10, and a bag portion is formed on the upper end of the filter cloth 20. In addition, the lower end of the filter cloth 20 is pulled downward, and the pin hole 23
Pass the filter cloth hooking pin 14 of the lower end rod 13 through the hook and loop fastener 2
By closing 1 and 22, the lower end of the filter cloth 20 is attached to the lower end bar 13, and a bag portion is formed at the lower end of the filter cloth 20.

In this embodiment, front and rear link arms 6 and 7 are used.
In the example, one filter cloth suspension rod 10 is hung on each of the above, but one filter cloth suspension rod 1 is provided between the front and rear link arms 6 and 7.
In a filter press in which 0 is suspended,
The filter cloth suspension rod 10 is attached to the front filter plate 1 and the rear filter plate 1.
A total of two filter cloths 20 for use in one are connected to one and folded and folded. FIG. 3 shows an example of such a filter cloth, in which a widthwise reinforcing cloth 26 is sewn at the center of a long filter cloth 25, and a pin hole 2 for the filter cloth hanging pin 11 of the filter cloth suspension rod 10 is provided.
7, and the stock solution supply ports 28 are opened on both sides thereof. A pair of hook-and-loop fasteners 21 and 22 are fixed to both ends in the length direction, and a pin hole 29 for the lower end bar 13 is formed in the middle thereof.

In this embodiment, one end of the cord 30 is fixed to both side ears of the reinforcing cloth 26, and the other end of the cord 30 is hung.
The filter cloth 25 is attached to the lower end of the filter cloth 25 (see FIG. 1).
Is tense in the width direction. In addition, in the embodiment shown in FIGS. 2 and 3, instead of the hook-and-loop fasteners 21 and 22, other fasteners such as hooks and buttons can be attached to form the bag portion. In addition, reinforcing cloth or eyelets can be fixed to the pin holes 23 and 29 for reinforcement. In addition, the pin hole 23,
27 and 29 may be opened more than the number of the filter cloth hooking pins 11 and 14, and the filter cloth 20 may be slid in the width direction and hooked, if necessary. Further, since attachment / detachment to / from the lower end rod 13 is easier than attachment / detachment to / from the filter cloth suspension rod 10, the pin holes 23 and 29 for the lower end rod 13 can be omitted.

[0015]

As described above, according to the present invention, pin holes are formed at a plurality of portions of the filter cloth which are in contact with the filter cloth suspension rod, and locking tools such as hook fasteners are attached to both sides of the pin hole row. Since the filter cloth hanging pin is projected on the filter cloth hanging rod, the upper end of the filter cloth is wound around the filter cloth hanging rod while the filter cloth hanging rod is attached to the hanging tool of the filter press. The filter cloth can be attached by hanging it and by forming a bag part which can be opened and closed at the upper end of the filter cloth. Therefore, the work of hanging the filter cloth becomes easy, and the working time is greatly shortened. When a pin hole is also formed in a portion of the filter cloth that contacts the lower end bar, the filter cloth can be easily attached to the lower end bar and the working time for hanging the filter cloth can be further shortened. It

[Brief description of drawings]

FIG. 1 is a front view of a filter plate of a filter press equipped with a filter cloth of the present invention.

FIG. 2 is a front view of an embodiment of the present invention.

FIG. 3 is a partially crushed front view of another embodiment.

[Explanation of symbols]

 1: Filter plate 10: Filter cloth suspension rod 11, 14: Filter cloth hanging pin 13: Lower end rod 20: Filter cloth 21, 22: Face fastener 23, 27, 29: Pin hole 25: Filter cloth 26: Reinforcing cloth

Claims (2)

[Scope of utility model registration request] 1. A plurality of filter cloths, which are hung over a filter cloth suspension rod above a filter plate of a filter press and a lower end bar below a filter plate, to be wound around the filter cloth hanging rod. A pin press hole is formed at a predetermined interval, and a pair of locking members such as hook fasteners are attached to both sides of the pin hole row to form an openable / closable bag portion along the pin hole row. Filter cloth. 2. A plurality of pin holes are formed at predetermined intervals in the portion wound around the lower end rod, and a pair of fasteners such as hook-and-loop fasteners are attached to both sides of the pin hole row along the pin hole row. The filter cloth for a filter press according to claim 1, wherein a bag portion that can be opened and closed is formed.