JPH0826384A - Method and jig for transporting fine powder - Google Patents

Abstract

PURPOSE:To prevent dust from occurring and scattering through an entire process by receiving a flexible container bag having a permeable wall body into a box pallet with its opening facing upward and mounting a pipe nozzle on the opening for filling fine powder. CONSTITUTION:A flexible container bag 1 having a permeable wall body is received into a box pallet 2 with its opening 21 facing upward, and the pallet 2 is mounted on a weighing device 3. Then after pipe nozzle 23 is mounted on the opening 21 of the bag 1 and fine powder is filled from the opening 21 into the bag 1 using a fine powder carrying pump 5, the opening 21 is sealed by a sealing lid 22. The pallet 2 housing the bag 1 is transported to a demanded destination, and the pipe nozzle 23 is mounted on the opening 21 of the bag 1 at the destination. Thereafter the bag is hung down with the opening 21 of the bag facing downward, and the fine powder is transferred to another container using the fine powder carrying pump 5. Thus dust generation or the like can be prevented through an entire process of filling, transportation and discharge of the fine powder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for transporting fine powder and a transport tool.

[0002]

2. Description of the Related Art When carrying fine powder in a packaging container, it is common to use a paper bag, a flexible container bag, or a metal container. The size of the paper bag is limited to 100 to 200 liters due to the strength of the material and the ease of carrying the paper bag, and the shape of the filling and discharging port causes spillage and dust when the fine powder is taken in and out. In addition, it is not preferable because it cannot be repeatedly used and is disposable.

A conventional flexible container bag is generally provided with a filling port at the upper part of the bag and a discharge port at the lower part thereof, and those having breathability are used as the relationship between the hole diameters and the material of the bag. Since it was not, it was unavoidable that the fine powder was leaked at the time of filling and discharging, or that dust was generated. The metal container has a problem in terms of transportation cost since the size of the container does not change when the container is returned again after the fine powder is delivered to the customer.

Japanese Utility Model Laid-Open No. 62-69490 discloses a removable dust prevention bag. This dustproof bag is
A bag with a size that completely covers a flexible container bag, has upper and lower openings, and each opening has ropes that narrow the opening area. It is a thing. This bag covers the flexible container bag in order to prevent a large amount of dust from scattering when the powder is discharged from the flexible container bag to the hopper. This bag is
Although a large amount of dust can be prevented, it cannot be eliminated, and no consideration is given to dust during powder filling.

In Japanese Utility Model Laid-Open No. 62-168397, a cover for sealing the dispensing portion is provided on the bag or the dispensing side, the space for storing the bag contents is sealed, and the dispensing portion of the bag and the inside of the bag are closed. A bag for powder transportation provided with a ventilation channel for tying is disclosed. This transport bag is a bag that is placed on a dispensing hopper and that dispenses the contents by gravity flow.It prevents the powder from being blown out due to internal pressure fluctuations inside the sealed bag during powder discharge. A device is provided. This bag is not completely sealed, and does not solve dust generation during powder filling and dust generation during transportation.

As described above, in powder transportation using the conventional flexible container bag, powder filling, transportation,
No system is known that prevents dust generation during the entire discharge process.

[0007]

The present invention has been made in view of the above circumstances, and the problems to be solved by the present invention are as follows. (A) To provide a method for transporting powder that does not cause dust generation, powder leakage, or scattering throughout the powder filling, transporting, and discharging processes.

(B) The transportation device can be repeatedly used, and its volume can be reduced when it is returned. (C) To enable easy filling and discharging of powder. (D) Easy and efficient loading and transportation, rationalizing the whole system. An object of the present invention is to develop and provide a method of transporting fine powder and a transportation tool that solve the above problems.

[0009]

The present invention was developed in order to solve the above problems, and made possible a conveying method capable of preventing dust generated during filling and discharging of fine powder. , The following technical measures have been taken. According to the present invention, a flexible container bag having a breathable wall body is housed in a box pallet with an opening facing upward, a pipe nozzle is attached to the opening, and the flexible container bag is opened from this opening using a fine powder conveying pump. The container is filled with fine powder, the opening is closed with a sealing lid, the box pallet containing the flexible container bag is transported to the customer, and a pipe nozzle is attached to the opening of the flexible container bag at the transportation destination. It is a method for transporting fine powder, which is characterized in that the fine powder is taken out from a box pallet, the opening is hung downward, and the fine powder is transferred to another container using a fine powder transport pump.

The apparatus of the present invention capable of suitably carrying out the above-mentioned method of the present invention is provided with a filling / discharging opening for detachably mounting a sealing lid or a pipe nozzle, has an air-permeable wall body, and is used as a hanger. A transporting device for fine powder, comprising a flexible container bag provided with a suspender for locking. Furthermore, it is preferable that the transporting tool is provided with a rectangular parallelepiped box pallet for accommodating the flexible container bag, and the flexible container bag is accommodated therein for transportation.

[0011]

The present invention is an improvement of a flexible container bag (transporting device) filled with fine powder, and an improved transport system of fine powder based on this improvement. In order to efficiently escape the air entrained in the fine powder to the outside of the flexible container bag when the fine powder transporter of the present invention is filled with the fine powder, a breathable material is used as the material of the fabric of the flexible container bag. To use. Here, as the material of the breathable flexible container bag, a woven fabric, a non-woven fabric, a canvas or the like of a natural fiber or an artificial fiber that allows the passage of air and blocks the passage of powder, or a composite material or a multilayer material thereof is used. You can use it. It is appropriate to use a reinforcing material or the like as necessary.

The flexible container bag has both one opening and one opening for filling and discharging. The opening of the flexible container bag and the fabric of the flexible container bag body are completely connected. This opening has a structure that can be tightly sealed with a sealing lid. Further, when filling and discharging the fine powder, the nozzle can be easily and surely attached to prevent leakage of the fine powder and generation of dust. .

In order to completely discharge the fine powder from the flexible container bag, it is necessary to hang the flexible container bag in the opposite direction. Therefore, a hanging hand is provided so that the flexible container bag can be locked to the hanger. A rectangular parallelepiped box pallet for accommodating a flexible container bag is convenient for loading, and is most preferably a cube. A known mechanism that can be easily assembled and disassembled by using a latch or the like may be adopted. Further, the side plate of the box pallet can be used as a stand for reversing the flexible container bag before discharging the contents from the flexible container bag of the present invention, thereby streamlining the transportation and discharging process.

By combining the above flexible container bag with box pallet, hanger, and fine powder conveying pump, it is possible to always perform filling and discharging in a closed system, and establish a fine powder filling, conveying and discharging system with no dust generation. did.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for transporting fine powder according to an embodiment of the present invention will now be described with reference to the drawings together with an example of a transport tool. 1 to 8
Is an explanatory view showing a step of transporting fine powder according to an embodiment of the present invention,
1 is a fine powder filling step, FIG. 2 is a conveying step, FIGS.
5 and 6 are explanatory views showing a fine powder discharging step. 7 and 8
FIG. 4 is a sectional view of an opening portion of a flexible container bag.

(A) Filling As shown in FIG. 1, the box pallet 2 is placed on the weighing machine 3.
Place the bottom plate of the above and assemble the four side plates into a box shape. The box pallet assembled in this way has a cubic shape and stores the flexible container bag 1 for transportation. It is in a form that can be assembled and disassembled. When the flexible container bag 1 is not stored, it must be folded. You can The flexible container bag 1 has a wall having air permeability and is provided with one opening 21 as shown in partial sectional views of the opening 21 in FIGS. 7 and 8. The opening 21 is an opening that also serves as a filling port and a discharge port. The flexible container bag 1 is stored in the box pallet 2 with the opening 21 facing upward. As shown in FIG. 8, a nozzle 23 is attached to this opening 21 by a fixture 24.
Then, the filling hose 4 is connected to the nozzle 23. The filling hose 4 is, as shown in FIG.
Is interposed in the middle, the fine powder storage hopper (not shown) is arranged up to the opening 21, and the nozzle 23 is densely attached. Next, the filling pump 5 is operated. The flexible container bag 1 is automatically weighed by the weighing device 3, and when the fine powder reaches a predetermined filling amount, the filling pump 5 is stopped. Since the flexible container bag 1 has air permeability, the fine powder is efficiently conveyed by the filling pump 5 together with the conveying air into the flexible container bag 1, where it is separated from the air and the air is discharged from the air permeable wall. It Therefore, the flexible container bag 1 is easily and densely filled with the fine powder. (B) Shipping The filling hose 4 is removed from the flexible container bag 1, and the opening 21 is sealed with a sealing lid 22 as shown in FIG. 7. Then, the upper lid of the box pallet 2 is put on, and the packing form is completed as shown in FIG. Use a forklift to move, load, and unload. (C) The carry-in box pallet 2 is carried by a forklift to a predetermined position where the fine powder is discharged. (D) Attaching the discharge hose, removing the upper lid of the reversing box pallet 2 of the flexible container bag, and as shown in FIG.
Nozzle 23 in opening 21 of flexible container bag 1
Is fixed by a fixture 24, and the discharge hose 15 is attached to the nozzle 23. Then, the side plates on four sides of the box pallet are removed, and as shown in FIG. 3, the two side plates 7 and 8 are laid on the floor and used as a reversing table. Then, as shown in FIG. 4, the flexible container bag 1 is turned over on the reversing tables 7 and 8 so that the top and bottom are reversed. (E) Lifting and discharging The hanger 12 is hung on the hanging hand 11 of the flexible container bag 1, and the winch 13 is operated by the switch 14 to pull up the flexible container bag 1 to a fixed position. A carrier air hose 18 is connected to the discharge hose 15, and carrier air is injected until the flexible container bag 1 inflates. Then, the discharge pump 16 is operated.
The injection amount of carrier air is adjusted while listening to the operation sound of the discharge pump 16. Monitor the emission status. (F) Completion of discharge When the discharge of the fine powder from the flexible container bag 1 is completed, the discharge pump 16 is stopped and the injection of carrier air is stopped. Remove the empty flexible container bag 1 from the hanger 12. The discharge hose 15 is removed and, as shown in FIG. 7, the sealing lid 22 is closed. Box pallet 2
And the flexible container bag 1 is put in a collection box and returned.

With the system of the embodiment, leakage of fine powder and generation of dust were eliminated. Also, the transportation device can be used repeatedly.

[0018]

Since the method for transporting fine powder of the present invention is constructed as described above, no dust is generated when the flexible container bag is filled and discharged, and the flexible container bag is discharged from the filling and discharging port. Since there is no dust leakage, it is possible to save labor in filling and discharging work. In addition, since high-pressure close packing is possible, the volume efficiency of the flexible container bag is improved. In addition, because the flexible container bag has the form of a box pallet, it can be stacked at the time of transportation, improving transportation efficiency.

The transportation device of the present invention can be used repeatedly, which makes it rational.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a fine powder filling step of an example.

FIG. 2 is an explanatory diagram showing a fine powder conveying step of the embodiment.

FIG. 3 is an explanatory view showing a fine powder discharging step of the embodiment.

FIG. 4 is an explanatory view showing a fine powder discharging step of the embodiment.

FIG. 5 is an explanatory view showing a fine powder discharging step of the embodiment.

FIG. 6 is an explanatory diagram showing a fine powder discharging step of the embodiment.

FIG. 7 is a sectional view of an opening portion of the container bag.

FIG. 8 is a sectional view of an opening portion of the container bag.

[Explanation of symbols]

1 Container Bag 2 Box Pallet 3 Weigher 4 Filling Hose 5 Filling Pump 6 Hose 7, 8 Side Plate 11 Lifter 12 Hanger 13 Winch 14 Switch 15 Discharge Hose 16 Discharge Pump 17 Hose 18 Carrier Air Hose 21 Opening 22 Sealing Lid 23 Nozzle 24 Installation Ingredient

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Keisuke Murakami 2-24-15 Minamiaoyama, Minato-ku, Tokyo Inside Aerosil Japan

Claims (3)

[Claims] 1. A flexible container bag having a gas permeable wall is housed in a box pallet with an opening facing upward, a pipe nozzle is attached to the opening, and a flexible powder conveying pump is used to open the flexible container bag through the opening. The container bag is filled with fine powder, the opening is closed with a sealing lid, and the box pallet containing the flexible container bag is transported to a customer, and a pipe nozzle is attached to the opening of the flexible container bag at the destination of transportation. A method for transporting fine powder, which comprises suspending an opening of a container bag downward and transferring the fine powder to another container using a pump for transporting fine powder. 2. A filling / discharging opening for detachably mounting a sealing lid or a pipe nozzle, and a breathable wall body,
A transporting device for fine powder, comprising a flexible container bag provided with a suspender for locking to a hanger. 3. A transporting tool for fine powder according to claim 2, further comprising a rectangular parallelepiped box pallet accommodating the flexible container bag which can be assembled and disassembled.