JP2938793B2 - Granule storage system using a rotating storage tank - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to a granular product storage system using a rotating reservoir. More specifically, a rotary storage tank provided with an unloading device so as to selectively and efficiently discharge powder and granules from a plurality of rotary storage tanks for storing desulfurized gypsum, coal combustion ash, and other particulates is used. Powder storage system
It relates to the arm.

[0002]

2. Description of the Related Art Hitherto, as a storage tank for storing powdery and granular materials, a method of storing in a band shape on a floor in a building has been widely used. A large area is required to store many granules.

[0003] For this reason, recently, a rotary storage tank capable of storing a large amount of granules in a small area and reducing the occupied area per unit storage amount has been widely used.

As a prior art of this rotary storage tank, Japanese Patent Application Laid-Open
There is a granular material storage device described in JP-A-140929. This device (rotating storage tank) as shown in FIGS.
Reference numeral 51 denotes a rotatable annular storage tank 52, and a granular material transport device 54 having a collector 53 for collecting the granular material P in the storage tank 52 at the tip thereof. And the storage tank 52
The powder P is placed on the powder transporter 54 while the powder P is scraped and collected by the collector 53 while rotating. The powder P transported from the storage tank 52 by the powder transporter 54
Is transported by a belt conveyor 55 or the like to a carrier of a predetermined carry-out vehicle such as a dump truck 56. As shown in the drawing, one transfer device 54 is provided corresponding to one storage tank 52.

According to the rotary storage tank 51, it is possible to efficiently store the granular material in a small area, and it can be used even in a limited space. It can be said that it is a suitable storage tank.

[0006]

In recent years, however, the amount of powder and granules to be stored has been increasing especially in steel works and the like. However, the rotary storage tank has a strength, a rotation drive mechanism, a storage tank support mechanism and the like. If the size is too large due to the restriction of the above, the production cost will increase significantly, so that the number of rotary storage tanks must be increased in order to store a large amount of granules. In addition, since the types of storage objects are increasing, it is necessary to install a plurality of rotary storage tanks in order to store the storage objects by type. Then, as a matter of course, the same number of transporters 54 as the number of storage tanks are required. As a result, not only does the equipment cost rise, but also the repair cost rises with an increase in the number of bases, and especially the number of transporters as movable mechanisms increases, so that the repair cost rises significantly.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is possible to store a large amount of granules according to the type of the granules, and to carry them out by a small number of transporters. Accordingly, it is an object to provide a granular product storage system that equipment costs and repair costs can be greatly reduced.

[0008]

Means for Solving the Problems] granular product storage system of the present invention includes a rotating reservoir of the aligned plurality groups, and the unloading device for unloading the granular material in the rotary tank to rotate reservoir outside rotation
It disposed from storage tank upward, and rails for leading to該搬out device each rotating reservoir on moving over it, each rotating savings
A charging section for charging the granular material from above the tank , wherein the rail is at least the center of each rotary storage tank.
And the feeding section is turned off.
The unloading device that moves on rails above the transfer storage tank
It is arranged at a position that does not interfere with, the said unloading device,
It is provided with a collector for scraping and collecting the powder and granules with the rotation of the rotary storage tank, a conveyor for carrying out the collected powder and granules out of the tank, and a swing drive mechanism for vertically moving the collector and the conveyor.

With such a configuration, the granular material storage system of the present invention can effectively carry out the stored granular material from each rotary storage tank simply by providing, for example, one carrier for a plurality of rotary storage tanks. Thus, equipment costs and repair costs can be reduced.

[0010] Then, a stacking conveyor is extended in parallel with the rail, and the discharge device is provided with a discharge conveyor for transporting the powdery and granular materials to the stacking conveyor from the end of the unloader opposite to the collector. The extension is preferred in that the powder discharged from each rotary storage tank can be automatically conveyed to an arbitrary position.

In addition, the carrier is extended so that the longitudinal direction thereof is substantially parallel to the rail. An apparatus for charging the granular material into the storage tank over a wide range on the rotary storage tank is provided. It is preferable because it can be performed.

On the other hand, since the transporting machine extends in a direction in which the longitudinal direction thereof is substantially perpendicular to the rail, it is also possible to transfer the transporting machine directly to the collecting conveyor or the like. In addition, it can be loaded directly onto a dump truck or other unloading vehicle from the rear end of the transporter where the powder falls.
This is preferable in that a conveyor or the like for gathering powdery materials carried out from a plurality of rotary storage tanks is not required.

[0013]In addition, it is arranged in the above-mentioned granular material storage system.
WasPowder discharge deviceToIs a frame that can move on rails
A member and a powder, each of which is mounted on the frame member
A vertically oscillating transporting device for carrying out an object out of the tank;
Collection for scraping the powder and granules equipped at the tip of the transmitter
Machine and the granular material carried out by the carrier
Discharge means for discharging to a positionIt is possible
You.

[0014] Such a configuration by the, can be moved over the desired rotational reservoir out of the rotating reservoir installed,
The granular material can be carried out of the rotary storage tank out of the tank.

The conveyor is constituted by a belt conveyor, and a discharging means is provided with a chute disposed at a rear end of the conveyor, and a discharge provided at one end of the chute and extending to a predetermined position. It is preferable to use a conveyer and a chute disposed at the other end of the discharge conveyer in that the granular material can be conveyed to a desired position.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a granular material storage system according to the present invention.

FIG. 1 is a partial plan view schematically showing an embodiment of a granular material storage system according to the present invention, FIG. 2 is a side sectional view of the granular material storage system shown in FIG. FIG. 3 is a partial plan view schematically showing another embodiment of the granular material storage system of the present invention, and FIG. 4 is applied to the granular material storage system of FIG.
FIG. 5A is a plan view showing an example of the unloading device, and FIG. 5B is a front view, and FIG. 5A is a plan view showing an arrangement of components of the unloading device in FIG. FIG. 6 is a front view, and FIG. 6 is a side view of the unloading device of FIG.

In the granular material storage system shown in FIGS. 1 and 2, reference numeral 1 denotes a rotary storage tank, and an annular or donut-shaped storage tank 2 and a rotation driving device 3 (for rotating the storage tank 2 around its own axis). 2). The rotary driving device 3 is a known device including a motor and a speed reducer.
Reference numeral 4 denotes a powder / particle discharge device (hereinafter, simply referred to as a discharge device) for discharging the powder P in the storage tank 2. Reference numeral 5 denotes an accumulation conveyor that conveys the granules P unloaded by the unloading device 4 to accumulate them at a predetermined location, and is constituted by a belt conveyor. Reference numeral 6 denotes a rail on which the unloading device 4 moves to reach each storage tank 2. Reference numeral 7 denotes an input section for inputting the granular material P into the storage tank 2.

The carry-out device 4 is provided with a vertically oscillating carrier 8 for carrying out the granular material to the outside of the tank, and a collector provided at the tip of the carrier 8 for scraping the granular material P. 9 (see also FIGS. 4 to 6). In the system shown in FIGS. 1 and 2, the longitudinal direction of the transporter 8, that is, the longitudinal direction of the unloading device 4 itself is substantially parallel to the longitudinal direction of the rail 6 and the accumulation conveyor 5.

With such a configuration, the unloading device 4 moves on the rail 6 and stops on the specified storage tank 2, and continuously takes out the particles P in the storage tank 2 and transfers the particles P to the accumulation conveyor 5. Move. The accumulation conveyor 5 transports the particles P to a predetermined stop position of a carry-out vehicle (not shown) such as a dump truck, and accumulates the particles P on a carrier of the carry-out vehicle through a chute (not shown) provided at that position.

FIG. 3 shows a granular material storage system in which the longitudinal direction of the unloading device 4 itself is substantially perpendicular to the longitudinal direction of the rail 6 and the accumulation conveyor 5.

The charging section 7 of the powdery material P in this system occupies about half of the upper side of the storage tank 2 on the opposite side of the rail 6 so as not to be an obstacle when the unloading device 4 moves along the rail 6. It is arranged in a range. Even in such an arrangement, since the granular material P is charged while rotating the storage tank 2, it is uniformly stored in the storage tank 2.

In the embodiment shown in FIGS. 1 to 3, the rotary storage tanks 1 are arranged in two rows, and one unloading device 4 is provided in one row. However, the present invention is not limited to this. For example, it is easy to provide one unloading device for the entire rotary storage tanks arranged in two rows, and to install them so as to pass through each rotary storage tank with one rail. Further, it is not particularly necessary to arrange the rotary storage tanks in two rows, and they may be arranged according to the installation space. And it is easy to install the rail so as to pass through the arranged rotary storage tanks.

FIGS. 4 to 6 show the details of the unloading device 4.

The unloading device 4 includes a rail 6 as shown in FIG.
A frame 11 having wheels 10 mounted thereon, a transporter 8 mounted on the frame 11 and capable of swinging up and down and moving back and forth, a collector 9 attached to a tip of the transporter 8, and And a swing drive mechanism 12 for swinging and driving the transporter 8 up and down.

As shown in FIG. 5 (a), a chute 13 for a granular material is provided at the lower rear end of the conveyor 8. 5 and 6, the frame 11 is shown by a two-dot chain line in order to facilitate understanding of internal components.

As shown in FIGS. 5 and 6, the swing drive mechanism 12 has a link member 14 whose upper end is pivotally supported by the frame 11 and whose lower end is pivotally supported at substantially the center of the transporter 8 in the longitudinal direction. And a lift 15 that swings the transport device 8 upward by pulling up the link member 14 upward. The rear end of the transporter 8 is suspended on rails 17 in the frame 11 via rollers 16, and when the transporter 8 is swung upward, the rear end slides rearward and, conversely, swings downward. When it is made to slide, it slides forward.

The elevating machine 15 cuts the collecting machine 9 down into the granular material P by a predetermined amount every time the storage tank 2 makes one rotation.
Is held at a predetermined height so that the particles P in the same plane can be carried out during one rotation, and generally, a wire rope 15a attached to a tip end side of the center of the transporter 8 is used. And a take-up device 15b that winds the sheet.

The collecting machine 9 is provided with a screw 9a whose axis A is arranged on the radiation of the center O of the storage tank and which collects the powder P from both ends to the center by rotating it forward.
The screws 9a are formed in opposite directions on both sides of the central portion, and have an unequal pitch in which the pitch narrows from both ends toward the center. Therefore, the powdery material P collected at the center while being excavated by the collector 9 is conveyed rearward by the scraper 8a of the conveyer 8 integrally provided at the rear of the collector 1, and near the rear end. Is carried out to the chute 13 below.

As shown in FIG. 6, the chute 13 has
A discharge conveyor 18 is provided extending toward the accumulation conveyor 5, that is, perpendicularly (laterally) to the longitudinal direction of the transporter 8. The discharge conveyor 18 has a front end penetrating the chute 13 and a rear end positioned on the collecting conveyor 5. Chute 1 at the rear end of discharge conveyor 18
9 are provided. Therefore, the granular material P carried out to the chute 13 moves on the discharge conveyor 18 and is dropped onto the collecting conveyor 5 through the chute 19 .

[0031] The Contact, although in the embodiment described above particulate matter P taken out from the reservoir 2 by the carry-out unit 8 is configured to be stacked on the stacking conveyor 5, is limited to such a configuration in the present invention Never. For example, integrated conveyor 5
And the chute 1 at the rear end of the discharge conveyor 18 is omitted.
9 may be dropped directly onto the carrier of the unloading vehicle.

The unloading device 4 shown in FIGS.
2 (the longitudinal direction of the conveyor 8 and the longitudinal direction of the rail 6 are parallel), but when this is applied to the system of FIG. 3, the discharge conveyor 18 is unloaded in the longitudinal direction. What is necessary is just to mount so that it may correspond with the longitudinal direction of the machine 8. Alternatively, the discharge conveyor 18 may be omitted, and the length of the unloader 8 may be increased by a predetermined dimension.

Further, in the above embodiment, all the storage tanks are of the donut type. However, the storage tank is not limited to the donut type. For example, a simple cylindrical type without an inner shell plate is used. You may.

[0034]

The granule storage system of the present invention can store a large amount of granules for each type of granules,
By being able to carry out by a small number of transporters, equipment costs and repair costs can be greatly reduced, and the number of spare parts of components of the carry-out device that is always kept can be significantly reduced .

[Brief description of the drawings]

FIG. 1 is a partial plan view showing one embodiment of a granular material storage system of the present invention.

FIG. 2 is a side sectional view of the granular material storage system of FIG. 1 as viewed in the direction of arrows AA.

FIG. 3 is a partial plan view showing another embodiment of the granular material storage system of the present invention.

4A is a plan view and FIG. 4B is a front view showing an example of a carry-out device applied to the granular material storage system of FIG.

5 (a) is a plan view and FIG. 5 (b) is a front view showing an arrangement of components of the unloading device of FIG. 4;

6 is a side view of the unloading device of FIG. 5 as viewed in the direction of arrows BB.

7A is a partial plan view showing one example of a conventional rotary storage tank, and FIG. 7B is a partial front view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Rotary storage tank 2 ... Storage tank 4 ... Unloading device 5 ... Stacking conveyor 6 ... Rail 8 ... Transporter 11 ... Frame 13 ... Chute 18 ... Discharge conveyor

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B65G 65/00-65/48 B65G 63/00

Claims (2)

(57) [Claims] A plurality of rotary storage tanks arranged in a line, an unloading device for unloading the granular material in the rotary storage tank out of the rotary storage tank , and an unloading device disposed above the rotary storage tank. A rail for moving on top of each rotating storage tank ,
Injection for injecting granular material into each rotating storage tank from above
And the rail is at least offset from the center of each rotary storage tank.
The charging section is located above the rotary storage tank.
Do not interfere with the unloading device moving on the rail.
The discharge device is provided with a collector for scraping and collecting the particulates with the rotation of the rotary storage tank, a transporter for transporting the collected particulates out of the tank, a collector and a transporter. A granular material storage system comprising: a swing drive mechanism that moves up and down. 2. A are extended in parallel to the accumulating conveyor to the rail, to the unloading device, the discharge for transporting powdered or granular material to the accumulation conveyor from collector and the opposite end of the unloading device The storage system according to claim 1, wherein the conveyor is extended.