JPH03285092A - Device for cleaning electrolytic anode bag - Google Patents

Abstract

PURPOSE:To rapidly and surely recover the slime deposited on the anode bag by rotating the bags having an upper opening and held in parallel and injecting cleaning water into the bag from the opening. CONSTITUTION:Plural electrolytic anode bags are held in the device main body 10 by a supporting frame 11 with the opening 4 turned upward away from one another. The frame 11 is turned by a rotating means 12 to turn the opening 4 of the bag 11 downward. Cleaning water is injected from a movable injection nozzle into the bag 1 through the opening 4. Meanwhile, cleaning water is injected toward the lower part of the bag 1 from the plural fixed injection nozzles 23 provided to a supply pipeline 22 extending in the longitudinal direction of the inner wall of an upper lid 15. Consequently, cleaning water is uniformly injected over the whole area of the body 1, and the slime contg. gold and platinum and deposited on the reticular bag 1 is surely removed in a short time.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrolysis anode bag cleaning device that can efficiently clean an anode bag containing an anode in a silver electrolysis device.

[Prior Art] Generally, in order to perform electrolytic smelting of silver, cathodes and anodes are alternately arranged at regular intervals as electrodes in an electrolytic solution in an electrolytic cell, and an external power source is connected to these cathodes and anodes. By conducting through the anode, silver is dissolved in the electrolyte from the anode and sequentially deposited as needle-shaped crystals on the surface of the cathode.

The anode is an ingot of smelted crude silver, and as the silver melts from the anode, slime containing gold, platinum, etc. is sequentially generated.

Therefore, the area around the anode is covered with a mesh anode bag, the generated slime is collected in the anode bag, and when silver electrolytic smelting is completed, cleaning water is injected into the anode bag to remove the slime from the anode. , I'm also trying to get platinum etc. from now on.

The work of spraying cleaning water all around the anode bag to remove slime from the anode bag is all done manually.

[Problems to be Solved by the Invention] However, such work requires high human cost and is inefficient. Therefore, it has been desired to develop a device that automatically cleans multiple anode bags and collects slime.

The present invention was proposed in view of the above circumstances, and is an electrolytic anode that can automatically, quickly and reliably recover slime that adheres to a plurality of electrolytic anode bags used in silver smelting. The object of the present invention is to provide a bag cleaning device.

[Means for Solving the Problems] The anode bag cleaning device of the present invention includes a holding frame that holds a plurality of anode bags each having an opening at the top in an open state and in parallel, and a holding frame that holds the holding frame vertically. A device characterized by being equipped with a rotation mechanism that rotates within a plane, and a spray nozzle that sprays cleaning water from the opening toward the inside of the anode bag with the opening of the anode bag facing downward. It is.

[Function] According to the cleaning device for anode bags for electrolysis of the present invention, after the plurality of anode bags are held in the holding frame at predetermined intervals, the openings are opened by rotating the holding frame by the rotating mechanism. It is held facing downward, and cleaning water is sprayed inward from the opening. As a result, the slime containing gold and platinum adhering to the anode bag can be efficiently and reliably removed, and the cleaning operation of the anode bag can be made more efficient.

[Embodiment 1] Embodiment 1 of the electrolytic anode bag cleaning apparatus of the present invention will be described with reference to FIGS. 1 to 7.

As shown in FIG. 6, an electrolytic anode bag (hereinafter abbreviated as a bag) l used for electrolytic smelting of silver is made up of a bag frame 2 framed in a rectangular parallelepiped shape by a plurality of frame members 2a. A mesh bag 3 made of PvC or the like is attached to the periphery, and has an opening 4 at the top, and a hook part 6 that engages with a nose ring 5 is formed on the side of the opening 4. A locking portion 7 projecting outward from the side is attached to the lower portion of the hook portion 6.

As shown in FIGS. 1 to 5, this device includes a device main body IO, which is a substantially rectangular parallelepiped-shaped container, and a plurality of bags 1, 1, etc. arranged at predetermined intervals inside the device main body 10. A holding frame +1 that holds each bag with its openings 4, 4 facing upward, and a holding frame 11 that rotates the holding frame 11 and holds the openings 4 of each bag 1 facing downward. It is generally composed of a rotation mechanism 12 for changing the state, and a movable spray nozzle (spray nozzle) 13 for spraying cleaning water from the opening 4 of the bag l toward the interior 1a of the bag l.

The device main body IO includes a box 14 formed in a rectangular parallelepiped shape with an open top and supported by a plurality of legs 14a, and the box 1
By closing the top lid 15, a cleaning chamber 16 is defined in the apparatus main body IO. One side 15a of the top lid 15 is rotatably fixed to the -(l'l 14a) of the box 14 in the long plane direction, and the fifth
As shown in the figure, this upper lid 15 is provided with a hydraulic cylinder 17 for opening and closing. Furthermore, the bottom surface 18 of the box 14 extends from the side 1ti-14a of one end Ilt to the side plate 14 of the other end.
The side plate 14 on the other end side is formed to be inclined toward b.
b is provided with a drain port 19 facing the lowest bottom surface 18 position. Furthermore, a supply pipe 20 extending along the longitudinal direction is provided at the bottom of the box 14, and a plurality of fixed injection nozzles 21 are attached to the supply pipe 20 at predetermined intervals so as to face upward. . Further, a supply pipe 22 is attached to the upper lid 15 and extends along the inner wall 15b in the direction of the Japanese yam, and a plurality of fixed injection nozzles 23 are arranged downwardly at predetermined intervals on this supply pipe 22. attached.

As shown in FIG.
Two holding plates 11a, Ilb are provided parallel to 8a, 18b at a predetermined interval, and these holding plates [11a, Ilb]
Holding rod 24.25.2 where the hook is passed and fixed between b.
6, and a bag holding part 27 provided at the upper part between the holding plate 11a and Ilb. Support shafts 28 and 29 are fixed to the holding plates 11a and Ilb, and the legs 14a.

A support shaft 28 is rotatably fixed to bearings 30, 3+ on +4a and fixed to one retaining plate 11a.
It has a structure in which a rotating mechanism 12, which will be described later, is connected to the rotating mechanism 12. This allows the holding frame! 1 is provided in the cleaning chamber 16 so as to be rotatable in a vertical plane about support shafts 28 and 29. Furthermore, guide pieces 32, 32, . . . , which extend longitudinally at predetermined intervals, are attached to the lowermost holding rod 26 fixed to the holding plates 11a, 11b. As shown in FIG. 1, the plurality of bags l that have been moved from the smelting apparatus by the hanger 5 of the crane 33 by engaging the hook parts 6 have their lower portions connected to the guide pieces 32.
．． 32 and placed between them.

As shown in FIGS. 2 and 7, bag holding portions 27 extending in the longitudinal direction are provided on both sides of the plurality of bags l arranged at predetermined intervals F'l. By rotating the feed screw part 27a of the bag clamping part 27 with the handle 27b, the bag clamping plate 27 is rotated.
c and 27d move in the directions of arrows A and B, engage with the engaging portion 7 of the bag I, and sandwich the bag I therebetween.

This restricts the vertical movement of the bag l.

The holding frame 11 holding the plurality of bags 1 is rotated by the rotation mechanism 12.

The rotation mechanism 12, as shown in FIG.
The support shaft 28 is rotatably fixed to bearings 30 and 34, and has a structure that drives a support shaft 28 fixed to 1a.
A small diameter pulley 35 fixed to the outer periphery of the
A large-diameter pulley 39 fixed to the outer periphery of an auxiliary shaft 38 rotatably fixed to the auxiliary shaft 38, a belt 40 passed between the small-diameter pulley 35 and the large-diameter pulley 39, and a rotating member at the end of the auxiliary shaft 38. Rod 42b of cylinder 42a is connected to 41! It is composed of a drive section 42 that is freely connected.

In addition, a plurality of movable injection nozzles 13 are installed in the lower part of the cleaning chamber 16.
is provided. The movable injection nozzle 13 has a rod shape and has one end 1 horizontally provided on the bottom surface 18 of the box 14.
A nozzle is attached to 3a, and is rotatably fixed so that the other end 13b faces approximately 90 degrees upward. and,
When the openings 4 of the plurality of bags I face downward, the movable spray nozzle 13 automatically rises and enters the inside of the bag I to spray cleaning water.

In order to wash the bag l using the washing device having the above configuration, first, the top 115 of the main body of the device is opened.

Then, the plurality of bags l are lifted and moved from the silver electrolytic smelting apparatus with the hook parts 6 engaged with the plurality of hangers 5 of the crane 33, and the holding frame 11 is guided from the upper part of the apparatus main body lO. Each bag 1 is placed in the cleaning chamber 16 with the lower part held between the pieces 32. Next, crane 33
The hanger 5 is removed from the hook portion 6 of the bag l by an unillustrated attachment/detachment mechanism, and the crane 33 holding only the anode 43 is moved. Next, the handle 27b of the bag holding part 27 is rotated to engage the engaging part 7 on the side of the bag l with the holding plates 27c and 27d of the bag holding part 27, thereby holding the bag l.

Next, close the upper part 115 and close the cylinder 42 of the rotating mechanism 12.
a to rotate the holding frame 11. Then, the holding frame 11 is stopped with the opening 4 of the bag l facing downward. When the holding frame 11 stops, the bottom surface 18 of the box 14
The movable injection nozzle 13 rises from the opening 4 of the bag 1 and enters the inside of the bag 1. As shown in FIG. 5, the cleaning water is sprayed toward the top of the bag l from the plurality of fixed injection nozzles 21 provided on the upper lid I5, and the plurality of fixed injection nozzles provided at the lower part of the case. Cleaning water is sprayed from 22 toward the lower part of the bag 1, and further from the movable spray nozzle 13 toward the inside of the bag 1. Thereby, the cleaning water is uniformly sprayed over the entire area of the bag 1, and the slime containing gold and platinum adhering to the mesh bag 3 of the bag 1 is reliably removed in a short time. Here, the slime removed from bag l is
The cleaning water flows through the bottom surface 18 of the box 14 and drains into the drain port 1.
It is collected in a collection tank (not shown) connected to 9. Then, the plurality of bags l from which the slime has been removed are transferred to the rotating mechanism 1.
The second cylinder 42 is driven to rotate the holding frame 11 to return it to its original state with the opening 4 facing upward. Then, the upper lid 15 is opened, and the handle 27b of the bag holding part 27 is rotated to separate the holding plates 27c and 27d from the engaging part 7 of the bag 1. Next, as shown in FIG.
is moved together with the hanger 5 to the upper part of the holding frame 11, and the hanger 5 is engaged with the hook part 6 of the bag l by the detachment mechanism. Then, the crane 33 is pulled up, and the bag l containing the anode 43 therein is lifted out of the apparatus main body IO and moved to the silver electrolytic smelting apparatus.

As can be easily understood from the above description, it is possible to mechanically and quickly perform a series of operations in which cleaning water is sprayed around the entire circumference of a plurality of bags L to remove slime adhering to the bags L. Therefore, the work of cleaning the bag 1 can be greatly reduced in labor and efficiency.

Moreover, since the bag 1 is cleaned by entering the movable injection nozzle 13 into the bag 1 with the opening 4 facing downward, slime can be reliably removed.

[Effects of the Invention] As explained above, according to the cleaning device for anode bags for electrolysis of the present invention, slime attached to the anode bags is removed by spraying cleaning water all around the plurality of anode bags. Since a series of operations can be mechanically performed quickly and reliably, it is possible to significantly save labor and improve the efficiency of the anode bag cleaning operation.

Furthermore, since the bag is cleaned by entering the spray nozzle into the bag with the opening facing downward, slime can be reliably removed.

[Brief explanation of the drawing]

1 to 7 show an embodiment of the electrolytic anode cleaning device of the present invention. 4, FIG. 1 is a partially sectional front view of the device, FIG. 2 is a plan view, and FIG. 3 is a top view of the device. 4 is a left side view, FIG. 5 is a sectional view showing the anode bag being cleaned, FIG. 6 is a perspective view showing the anode bag, and FIG.
The figure shows a bag holding part. ! =...bag (anode bag for electrolysis), 4...
...Bag opening, 5...Hanger, 6...Bag hook, 7...Bag engaging part, IO...Device body, 11... ... Holding frame, 11a, llb... Holding plate, 12...
... Rotating mechanism, 13... Moving injection nozzle (injection nozzle), 14... Box, 15...
...Top lid, 21.23...Fixed injection nozzle, 2
7...Bag holding part, 28.29...Support shaft, 32...Guide piece, 33...Crane.

Claims (1)

[Claims] a holding frame for holding a plurality of anode bags in an open state and in parallel, each having an opening at the top; a rotation mechanism for rotating the holding frame in a vertical plane; 1. A cleaning device for an anode bag for electrolysis, comprising a spray nozzle that sprays cleaning water toward the inside of the anode bag from an opening in a facing state.