JP2003267480A - Powdery particle feeding unit and powdery particle feeding method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a powdery particle feeding unit and a powdery particle feeding method capable of preventing the powdery particle from being dispersed out when the powdery particle stored in a moving container is to be fed into a receiving container, further capable of preventing contamination caused by powdery dust or germs fed from outside, preventing the powdery particle from being left in the moving container after feeding the powdery particle and feeding positively a full amount of powdery particle in the moving container. <P>SOLUTION: Each of opening segments 20a, 20b is set at each of both ends of a cylinder 21 in an axial direction. One opening segment 20a is provided with one divided split value 37 of a split valve 30A of a moving container 10, the other opening 20b is provided with the other divided split valve 38 of a split valve 30B of a receiving container 2 and at the same time an inside part of the cylinder 21 is provided with a nozzle 23 for injecting fluid toward an inside portion of the moving container 10. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the case where powder or granules (which are referred to as powder granules in the present specification in any sense) stored in a transfer container are charged into a receiving container. The present invention relates to a powder / granule charging tool used and a powder / granular charging method.

[0002]

2. Description of the Related Art In general, various kinds of transfer containers are used for transporting powder particles such as seed crystals produced in a manufacturing plant. Then, in the case of directly charging the powder or granular material conveyed in the transfer container into the receiving container of the powder or granular material such as a reaction kettle, the opening of the transfer container is generally exposed to the powder or granular material input port of the receiving container, In this state, a method is adopted in which both are connected to each other and the powder or granular material in the transfer container is poured into the receiving container by spontaneous fall.

[0003]

However, in the above-mentioned method of charging the granular material, when the granular material is charged from the moving container to the receiving container, a gap or the like formed between the moving container and the receiving container, etc. Therefore, there is a problem that the powder and granules are scattered to the outside to deteriorate the working environment. Further, there is also a possibility that dust, miscellaneous bacteria, etc. may enter from the outside through a gap or the like formed between the transfer container and the receiving container to cause contamination.

Further, after the powder or granules are put into the receiving container from the transfer container, a part of the powder or granules may remain in the transfer container or the like. In such a case, When the connection between the receiving container and the transfer container is released, the remaining powder and granules scatter to the outside and the working environment deteriorates.The input amount of powder and granules varies, and the powder and granules remain. There may be problems such as wasting only that much.
For example, when the weighed powder or granules are put into a receiving container to produce a product or the like, if the input amount of the powder or granules varies, the product or the like having an appropriate composition cannot be produced.

The present invention has been made in view of the above circumstances, and can prevent scattering of the powder or granules to the outside when the powder or granules stored in the transfer container are loaded into the receiving container. At the same time, it is an object of the present invention to provide a powdery or granular material charging device and a powdery or granular material charging method capable of preventing contamination due to contamination of dust, germs and the like from the outside. Furthermore, the present invention is capable of preventing the powder or granules from remaining in the moving container after charging the powder or granules, and is capable of charging all the powder or granules in the moving container and the powder and granular material. It is an object to provide a method for charging granules.

[0006]

According to a first aspect of the present invention, there is provided a powdery or granular material inserting tool having openings at both ends in the axial direction of a cylindrical portion, and one opening is provided for moving. One of the split valves of the container is provided, and the other opening is provided with one of the split valves of the receiving container, and the inside of the tubular portion is directed toward the inside of the moving container. It is characterized in that a nozzle for ejecting a fluid is provided.

According to the powdery or granular material charging tool of the present invention as defined in claim 1, since the split valve of the moving container is provided at one opening of the tubular portion, the split valve is provided.
By integrating this with the other divided split valve of the transfer container, it is possible to connect the powdery or granular material charging tool and the transfer container to each other. Further, since the other one of the split valves of the receiving container is provided in the other opening portion of the tubular portion, by integrating this with the other of the split valves of the receiving container, The body throwing tool and the receiving container can be connected to each other. In this way, by connecting the powder and granular material input device and the receiving container, connecting the powder and granular material input device and the transfer container, and then opening each split valve, it is sealed to the surroundings. In this state, the powder or granules in the transfer container can be put into the receiving container without generating dust, mixing of dust from the outside, or other germs. Therefore, it is possible to prevent the deterioration of the working environment due to the scattering of the powdery particles when the powdery particles are thrown in, and also to prevent the contamination due to the inclusion of dust or germs from the outside. Further, since the powder or granules in the transfer container can be put into the receiving container in a state of being sealed from the surroundings, the powder or granules are exposed to the outside air to be oxidized or absorb moisture, It is possible to prevent the quality from changing. In addition, since the nozzle that ejects the fluid toward the inside of the moving container is provided inside the tubular portion, the fluid ejected from this nozzle removes the powder particles attached to the inside of the moving container. Can be blown off. Therefore, it is possible to prevent the powder or granules from remaining in the moving container after the charging of the powder or granules as much as possible, and it is possible to add all the powder or granules in the moving container.

Here, the split valve means that a valve body for opening and closing the flow path of the powder and granules is incorporated in the valve body, and the valve body and the valve body are configured to be separable. The divided flow paths of the valve body are sealed by the divided valve bodies. In addition, it is preferable that a window portion is provided on the cylindrical portion so that the nozzle can be visually recognized from the outside. By doing so, it becomes easy to confirm the direction of the nozzle, the ejection state, and the like, and for example, even if there is a problem with the nozzle, it can be found promptly. Further, although it is preferable to use a liquid such as a solvent used in a container for receiving the granular material as the fluid, a gas such as nitrogen gas or air may be used as the granular material.

In addition, when the powdery or granular material charging device according to the present invention is used in a moving container or a receiving container that is filled with nitrogen gas or the like and is handled in a low oxygen state, the above-mentioned liquid or nitrogen or the like is used as the fluid. Use an inert gas. Further, in order to make the inside of this powdery or granular material input device into a low oxygen state, for example, a split valve that is connected correspondingly to one of the split valves provided at both ends of the tubular portion of the powdery or granular material input device, respectively. By the washing and sterilizing machine provided with the other of the split, by joining the split of the split valve, by opening the split valve, after washing and sterilizing the powder and granules, With the split valve slightly open, the nozzle is purged with nitrogen gas. When the air from the powder / granule charging device is exhausted, the split valve is closed, and then both split valves are divided to take out the powder / granular material charging device. As a result, the inside of the powdery or granular material charging device can be in a low oxygen state and can be in a washed and sterilized state. In addition, in the case of using the powdery or granular material feeding device as described above,
A discharge nozzle with a valve that discharges the air of the powder / granule throwing tool may be provided in the cylindrical portion.

According to a second aspect of the present invention, in the first aspect of the present invention, the cleaning pipe provided with the nozzle is movable with respect to the tubular portion, and the nozzle is a powder particle inside the tubular portion. A storage unit for storing the nozzle when retracted with respect to the body passage is provided in the tubular unit.

According to the second aspect of the present invention, the cleaning pipe provided with the nozzle is made movable with respect to the tubular portion, and when the nozzle is retracted with respect to the powder or granular material passage in the tubular portion, Since the storage portion for storing the nozzle is provided in the tubular portion, the nozzle can be retracted into and out of the granular material passage according to the usage status of the nozzle. With the storage in the storage unit, there is no concern that the nozzle will hinder the progress of the powder or granular material and that the nozzle will be clogged with the powder or granular material. In addition, since the washable area of each nozzle is expanded, it is possible to reduce the number of nozzles to be installed.

According to a third aspect of the present invention, in the invention according to the first or second aspect, in the cleaning pipe provided with the nozzle, the vicinity of the mounting portion of the inner wall of the cylindrical portion where the cleaning pipe is mounted is cleaned. A cleaning hole is provided.

According to the third aspect of the present invention, the cleaning pipe provided with the nozzle is provided with the cleaning hole for cleaning the vicinity of the mounting portion of the inner wall of the cylindrical portion to which the cleaning pipe is mounted. By cleaning the vicinity of the mounting portion from the cleaning hole, it becomes possible to remove the powder or the like adhering to the vicinity of the mounting portion. If the cleaning pipe is movable, a cleaning hole may be provided near the nozzle so that the vicinity of the mounting portion of the inner wall of the cylinder can be cleaned when the nozzle retracts with respect to the powder passage. Good.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the base end portion of the cleaning pipe provided with the nozzle is provided along the outer circumference of the tubular portion. The nozzle header is connected to the nozzle header, and the nozzle header is provided with a supply port for supplying a fluid.

According to the invention described in claim 4, the base end portion of the cleaning pipe provided with the nozzle is connected to an annular nozzle header provided along the outer periphery of the cylindrical portion, and the nozzle header is provided with a fluid. Since the supply port for supplying the cleaning liquid is provided, it becomes easy to supply the fluid to each cleaning pipe. If the cleaning pipe is movable, the base end of the cleaning pipe and the annular nozzle header may be connected via a flexible hose or the like.

According to a fifth aspect of the present invention, there is provided a method for charging a powder or granular material stored in a transfer container into a receiving container, wherein one opening of the tubular portion is closed by one of the split valves. The granular material throwing tool / receptor capable of opening / closing the split valve by integrally connecting the granular material throwing tool in the opened state and the receiving container closed by the other divided split valve. A container connecting step, the transfer container in a state of being closed by one of the split valves,
A moving container / powder that enables the split valve to be opened / closed by integrally connecting the powder / granule charging device in a state in which the other opening of the tubular portion is closed by the other split of the split valve. After the body throwing tool connecting step, the powdery grain feeding tool / receiving container connecting step and the transfer container / powdering material feeding instrument connecting step, both split valves are opened and the powdery or granular material is dropped into the receiving container. And a cleaning step of injecting a cleaning fluid from the inside of the cylindrical portion of the powder and granular material feeding device toward the transfer container after the powder and granular material charging step. It is what

According to the invention as set forth in claim 5, both the split valves are opened after the step of connecting the powder / granular material introducing device / receiving container and the step of connecting the moving container / powder / granular material inserting device to open the powder / granular material. Since it was made to fall into the receiving container, the powder and granules in the moving container are put into the receiving container in a sealed state with respect to the surroundings without causing dust generation or mixing of dust and foreign bacteria from the outside. can do. Therefore, it is possible to prevent the deterioration of the working environment due to the scattering of the powdery particles when the powdery particles are thrown in, and also to prevent the contamination due to the inclusion of dust or germs from the outside.
Further, in the cleaning step after the powder and granular material charging step, the cleaning fluid is jetted from the inside of the cylindrical portion of the powder and granular material charging tool toward the moving container.
It is possible to blow off the powder particles attached to the inside of the transfer container. Therefore, it is possible to prevent the powder or granules from remaining in the moving container after the charging of the powder or granules as much as possible, and it is possible to add all the powder or granules in the moving container.

According to a sixth aspect of the present invention, there is provided a method for charging a powder or granular material contained in a plurality of transfer containers into a receiving container, wherein one opening of the tubular portion is divided by one of the split valves. The granular material charging device which is closed by means of the split valve and the receiving container which is blocked by the other of the split valves are integrally connected so that the split valve can be opened and closed. A receiving container connecting step, the transfer container in a state of being blocked by one of the split valves, and the powder in a state of closing the other opening of the tubular portion by the other of the split valves. A moving container / powder / granule charging device connecting step that integrally connects the particle / charging device and the split valve can be opened / closed, the powder / granular charging device / receiving container connecting step, and the moving container / After the step of connecting the powder and granular material, Open the plit valve and drop the powder or granular material into the receiving container, and wash after moving the powder or granular material from the inside of the tubular portion of the powder or granular material feeding device toward the moving container. A cleaning step of injecting a fluid for use,
After closing the split valve that is integrally connected between at least the powder and granule feeding device and the moving container, a moving container removing step of removing the moving container from the powder and granular material charging device, Then, a new moving container in a state of being closed by one of the split valves, and the powdery or granular material charging device in a state of closing the other opening of the tubular portion by the other of the split valves. And are connected together,
The present invention is characterized by including a new moving container / powder / granule throwing device connecting step for opening / closing the split valve.

According to the invention described in claim 6, the same operational effect as that of the invention described in claim 5 can be obtained, and the powder / granule throwing tool is newly connected to the receiving container. After connecting the transfer container, open the split valve and drop the stored particles into the receiving container.
After that, a fluid is ejected from the nozzle of the powdery or granular material charging tool to wash the transfer container. In this way, by sequentially exchanging only the transfer container that stores the powder or granules, it becomes possible to efficiently transfer the powder or granules stored in the plurality of transfer containers to the receiving container. In particular, when seed crystals are introduced into the receiving container as a granular material, it is often the case that the same kind of substance is disliked and put into the receiving container because it is difficult to form twin crystals. Has a remarkable effect.

[0020]

1 to 8 show an embodiment of a powder / granule throwing tool according to the present invention. In the drawings, reference numeral 1 is a powder / granule throwing tool, and reference numeral 2 is a reaction kettle (reception Container), reference numeral 10 is a transfer container. As shown in FIGS. 1 and 7, the powdery or granular material charging device 1 has openings 2 at both ends in the axial direction.
It is provided with a metal tube portion 21 having 0a and 20b.
A powder passage is formed in the tubular portion 21 along the axial direction, and one end side of the powder passage has a split valve 30.
(Upper split valve 30A) Active side valve body 33a
Thus, the other end side is opened and closed by the passive side valve element 33b of the split valve 30 (lower split valve 30B). These split valves 30
Will be described in detail later.

As shown in FIGS. 7 and 8, a plurality of cleaning pipes 22 are arranged at equal intervals along the circumferential direction in a substantially central portion of the tubular portion 21 so as to penetrate the wall surface of the tubular portion 21. A nozzle 23 for injecting a fluid toward the inside of the moving container 10 is provided at the tip of each cleaning pipe 22.

On the other hand, at the base end of each cleaning pipe 22, an annular nozzle header 24 is provided along the outer circumference of the tubular portion 21.
Are connected. The nozzle header 24 has a cylindrical portion 21.
Is supported by an L-shaped mounting bracket 25 attached to the outer peripheral surface of the
It is fixed to. The nozzle header 24 has a coupler (supply port) 27 for connecting one end of the flexible hose 4 for supplying fluid, and distributes the fluid supplied via the flexible hose 4 to each cleaning pipe 22. Has become. As shown in FIG. 1, the other end of the flexible hose 4 is connected to cleaning liquid headers 29a and 29b provided in a tank (not shown) serving as a fluid supply source.

The tank may be a portable one unitized with the flexible hose 4 or may be a fixed one installed near the reaction vessel 2. Examples of the cleaning fluid include liquids such as a solvent used in the reaction kettle 2 and various gases. For example, if nitrogen gas is used as the fluid, the inside of the transfer container 10 and the flow path of the granular material can be kept in a low oxygen state, and the oxidation of the granular material can be prevented. A transparent or semi-transparent window portion 28 that allows the nozzle 23 to be visually recognized from the outside is provided on the upper portion of the tubular portion 21. The window portion 28 is used, for example, when confirming the direction of the nozzle 23, the ejection state, and the like. In addition, this cylindrical portion 2
The cylindrical shape of No. 1 is not limited to a cylindrical shape, but may be another cylindrical shape such as an ellipse or a polygonal shape, and the material of the powdery or granular material charging tool 1 is also the type of powdery or granular material to be stored or the powdery or granular material charging It can be appropriately changed according to the usage environment of the tool 1.

On the other hand, the moving container 10 is a substantially cylindrical container made of stainless steel having an opening 10a at one end thereof, and a taper portion having a diameter reduced toward the opening 10a on the opening 10a side. Are formed. This transfer container 10
The cylindrical shape of the moving container 10 is not limited to a cylindrical shape, and may be another cylindrical shape such as an elliptical shape or a polygonal shape. The material of the moving container 10 depends on the type of powder or granular material to be stored and the operating environment of the moving container 10. Can be changed appropriately. The opening 1 of this transfer container 10
A pair of grips 11 is provided on the outer peripheral portion on the 0a side.
As shown in FIG. 3, the end surface of the moving container 10 opposite to the opening 10a (the upper end surface in the posture of FIG. 1) is transparent or transparent so that the inside of the moving container 10 can be seen from the outside. A translucent window portion 13 is provided and the window portion 1
A protective ring 12 made of steel for protecting 3 is attached. The window 13 is formed by forming an opening on the wall surface of the moving container 10 and closing the opening with a transparent member such as a glass plate.

The opening 10a of the moving container 10 is closed by the divided passive side body 38 of the split valve 30 (upper split valve 30A) attached to the opening 10a. Here, the structure of the split valve 30 (upper split valve 30A, lower split valve 30B) will be described. As shown in FIGS. 4 to 6, the split valve 30 is a metallic valve body having a substantially cylindrical appearance. A flow path 31 for the powder or granular material is formed on the inner wall of the flow path 31, and a seat ring 32 is fitted to the inner wall of the center portion of the flow path 31. It is a butterfly valve in which the body 33 is rotatably incorporated.

A drive shaft 34 for rotating the valve body 33 is fixed to the outer peripheral portion of the valve body 33.
An outer peripheral portion that is diametrically opposed to 4 is rotatably supported by a shaft provided in the valve body. A handle 35 for rotating the drive shaft 34 is attached to the drive shaft 34. The valve body, the valve body 33, and the drive shaft 34 are dividable in the direction orthogonal to the flow path 31. That is, the valve body 33 has the handle 35.
Of the drive shaft 34a integrated with the active (acti
ve) side valve body 33a and the drive shaft 34b side passive (p
the active side valve element 33a, and the alignment pin 3 is formed on the split surface of the active side valve element 33a.
6 is provided in a protruding manner, and a hole portion into which the above-mentioned alignment pin 36 is fitted is bored in the dividing surface of the passive side valve element 33b facing this.

On the other hand, the valve body and the seat ring 32 are also
The active-side main body 37 and the active-side seat ring 3 are provided at positions substantially corresponding to the split surfaces of the valve element 33.
2a, main body 38 on the passive side, seat ring 3 on the passive side
2b. And the active side body 3
A flange portion 39 is provided on the outer periphery of 7, and a pair of lock pins 40 projecting toward the dividing surface side of the flange portion 39 are rotatably provided by a handle 41. Further, a tightening pin 42 projecting in the diameter direction is provided on the outer periphery of the lock pin 40. On the other hand, at the outer peripheral portion of the passive-side main body 38, at a position facing the lock pin 40, a flange portion 43 is provided so as to project, and a cylindrical shape that extends toward the lock pin 40 is provided at the flange portion 43. The connecting cylinder portion 44 is integrally provided. A pair of spiral groove portions 45 are formed in the connecting cylinder portion 44.

Split valve 30 having such a structure
In FIG. 5, as shown in FIGS. 5 and 6, the connecting cylinder portion 44 of the passive-side main body 38 faces the lock pin 40 of the active-side main body 37, and the tightening pin 42 is inserted into the groove portion 45. Then, when the lock pin 40 is rotated by the handle 41, the passive-side main body 38 is pulled toward the active-side main body 37, and the active-side valve body 33
The positioning pin 36 of a is fitted into the hole of the passive-side main body 38, so that both are integrated as shown by the dotted line in FIG. Then, by rotating the handle 35, the integrated valve body 33 is rotated as shown in FIG. 6, and the flow path 31 is opened and closed.

Further, as shown by the dotted line in FIG.
After the valve body 33 has been closed by performing the above procedure in reverse, the split valve 30 can be divided into the active-side main body 37 and the passive-side main body 38. Active side body 37
And the openings of the passive-side main body 38 are divided into the active-side valve element 33a and the passive-side valve element 33, which are divided.
It is enclosed by b.

In the active-side main body 37 and the passive-side main body 38 of the split valve 30 configured as described above,
Collar portions 16a and 16b are formed on the side opposite to the side on which the valve bodies 33a and 33b are located, respectively. On the other hand, the flanges facing the flanges 16a, 16b are the openings 20a, 20b of the tubular portion 21 of the powder / granule throwing tool 1, the openings 10a of the transfer container 10 and the powder / granule of the reaction vessel 2. Each of the mouths 3 is provided. Each of these collar portions 16a and 16b,
In a state in which the brim portion facing it is fitted, a metal band 14 for integrating the two is detachably provided on the outer periphery thereof.

As a result, as shown in FIGS. 1 and 2, the passive side main body 38 of the split valve 30 (upper split valve 30A) is fixed to the moving container 10 and the split valve 30 (upper split valve 30) forming a pair with the passive main body 38 is fixed. Valve 30A)
The active-side main body 37 is fixed to one end of the powdery or granular material charging tool 1. Further, the passive side main body 38 of the split valve 30 (lower stage split valve 30B) is fixed to the other end of the powder and granular material throwing tool 1, and the active side main body 37 of the split valve 30 (lower stage split valve 30B) paired therewith. Is fixed to the powder / granule charging port 3 of the reaction kettle 2. Therefore, the passive side main body 38 and the active side main body 37 of the split valve 30 can be easily provided by removing the band 14.
Can be removed respectively, which facilitates cleaning, repair and replacement of the passive side main body 38 and the active side main body 37.

Next, an embodiment of a method of using the powdery or granular material charging tool 1 and the transfer container 10 having the above-described configurations will be described. First, when the powder or granules to be conveyed are stored in the transfer container 10, the passive-side main body 38 of the upper split valve 30A fixed to the transfer container 10 is connected to the powder or granular material discharge port of a discharge device such as a hopper. By facing the active side main body 37 of the upper split valve 30A (not shown) and operating the handle 41 as described above, the two are integrated into the upper split valve 30A. Then, by rotating the handle 35 of the upper split valve 30A, the valve body 33 of the integrated upper split valve 30A is rotated to open the flow passage 31. As a result, the granular material in the discharging device is stored in the moving container 10.

Then, a predetermined amount of powder or granular material is transferred to the container 10 for movement.
After the inside of the valve body 3 is filled, the handle 35 is rotated in the reverse direction.
3 is closed, and then the handle 41 is reversely rotated to divide the upper split valve 30A. At this time, both the active-side main body 37 and the passive-side main body 38 are divided into the active-side valve body 33a and the passive-side valve body 3, respectively.
The flow path is closed by 3b. As a result, it is possible to store the powder or granules in the discharge device in the transfer container 10 in a sealed state with respect to the surroundings without generating dust or mixing of dust or germs from the outside.

Next, when the transported powdered or granular material is charged from the transfer container 10 into a receiving container such as the reaction kettle 2, first, as shown in FIG. Attach it (powder / granule throwing device / receiving container connecting process). Specifically, the passive side main body 38 of the lower stage split valve 30B fixed to the powder and granular material charging tool 1 is connected to the active side main body 37 of the lower stage split valve 30B attached to the powder and granular material charging port 3 of the reaction vessel 2. By facing the handle and operating the handle 41 as described above, the lower split valve 3 in which the both are integrated is integrated.
0B.

Next, the nozzle header 2 of the powder / granule throwing tool 1
4 is connected to one end of a flexible hose 4 for fluid supply, and the other end of the flexible hose 4 is connected to the cleaning liquid header 2
It is connected to either 9a or 29b. Then, as shown in FIGS. 1 and 2, the transfer container 10 containing the powder and granular material and the powder and granular material charging tool 1 are combined (moving container / powder and granular material charging tool connecting step). That is, the passive-side main body 38 of the upper split valve 30A fixed to the moving container 10 is made to face the active-side main body 37 of the upper split valve 30A fixed to the powder and granular material feeding tool 1, and the handle 4 is operated in the same manner as above.
By operating 1, the upper split valve 30A is integrated with both.

After that, the opening / closing valve 5 provided in the powder / granule inlet 3 of the reaction kettle 2 is opened, and subsequently each split valve 30A,
By rotating the handle 35 of 30B, the lower split valve 3 that extends over the powder and granular material inlet 3 and the powder and granular material input tool 1
0B, the upper split valve 30A that straddles the powder and granular material charging tool 1 and the transfer container 10, in that order, the split valves 30A, 30
The valve body 33 of B is opened, and the inside of the moving container 10 and the inside of the reaction kettle 2 are brought into communication with each other via the powder / grain material charging tool 1. As a result, the powder and granules in the transfer container 10 fall naturally and the reaction kettle 2
It is thrown into the inside (powder and granule feeding step).

After that, when it is possible to confirm the completion of the injection of the granular material by looking into the moving container 10 through the window 13 or the like, the supply of the fluid from the tank is started and the fluid is jetted from the nozzle 23 to move the moving container. The powder particles attached inside 10 are blown off (cleaning step). As a result, it is possible to prevent the powder or granules from remaining in the transfer container 10, and it is possible to reliably add all the powder or granules in the transfer container 10. So, for example,
Even when the measured powders and granules are put into the pouring pot to manufacture products, etc., there is no variation in the amount of powdered granules put in, and it is possible to manufacture products with an appropriate composition. .

When the cleaning of the inside of the transfer container 10 and the wall surface of the flow path is completed, the on-off valve 5 of the reaction vessel 2 is first closed,
By rotating the handle 35 of each of the split valves 30A and 30B in the reverse direction, the lower split valve 30B, the powder and granular material input tool 1 and the transfer container 10 extending over the powder and granular material input port 3 and the powder and granular material input tool 1 are provided. The valve bodies 33 of the split valves 30A and 30B are closed in the order of the upper split valve 30A to be straddled. Subsequently, the flexible hose 4 is removed from the powder / granule throwing tool 1, and the transfer container 10 and the powder / granular grain throwing tool 1 are removed in this order. At this time, the flow paths of the active-side main body 37 and the passive-side main body 38 of each of the split valves 30A and 30B are closed by the divided active-side valve body 33a and passive-side valve body 33b.

As a result, the powder or granules in the transfer container 10 can be charged into the reaction kettle 2 in a state of being sealed from the surroundings without generating dust or mixing of dusts and germs from the outside. it can. Therefore, it is possible to prevent the deterioration of the working environment due to the scattering of the powder and granules, and also to prevent the contamination due to the inclusion of dust and miscellaneous bacteria from the outside. Further, it is possible to prevent the quality of the powder or granular material from being changed by being exposed to the outside air and being oxidized or absorbing moisture.

In the above-described embodiment, when the transported powder or granules are charged from the transfer container 10 into the receiving container such as the reaction kettle 2, as shown in FIG. After mounting on the reaction vessel 2, the transfer container 10 is attached to the powder and granular material charging tool 1
However, for example, as shown in FIG. 9, the moving container 10 and the powdery or granular material charging tool 1 are connected to each other, and then the powdery or granular material charging tool 1 is mounted on the reaction kettle 2. May be.

Further, in the above-mentioned embodiment, the powdery- or granular-material charging tool 1 and the transfer container 10 are individually removed after the charging of the powdery or granular material is completed. However, for example, they are stored in a plurality of transfer containers 10. When charging the powdered or granular material into the reaction kettle 2, as shown in FIG. 2, the valve element 33 of the upper stage split valve 30A that straddles the powdery or granular material charging tool 1 and the transfer container 10.
After closing the container, only the transfer container 10 is removed from the powder / particle assembly 1 (transfer container removing step), and then a new transfer container 10 containing the powder / particles and the powder / particle assembly 1 , And the powder / granule throwing tool 1 and a new transfer container 10
The valve element 33 of the upper stage split valve 30A that spans the and the open position can be opened and closed (new transfer container / powder / granule input device connecting step). That is, the powder and granular material charging tool 1 until a series of charging is completed.
With the reactor attached to the reaction vessel 2, the transfer container 1
Only 0 will be exchanged sequentially. By doing so, it becomes possible to efficiently put the powder or granular material stored in the plurality of transfer containers 10 into the reaction kettle 2.

Further, in the above-described embodiment, the case where the inside of the moving container 10 and the flow path and the like need to be cleaned after the powder and granules are charged has been described. As shown in FIG. 10, the powder / granule charging tool 1 is removed, and only the transfer container 10 is attached to the powder / granular charging port 3 of the reaction vessel 2.
It can also be attached to. In this case, the active-side main body 37 of the upper split valve 30A fixed to the moving container 10 and the passive-side main body 38 of the lower split valve 30B attached to the powder / granule inlet 3 of the reaction vessel 2 are integrated. By converting the transfer container 10 into the reaction kettle 2
Can be attached directly to.

In the above embodiment, the flexible hose 4 for supplying fluid and the cleaning pipe 22 are connected via the nozzle header 24. However, for example, a coupler is provided at the base end of each cleaning pipe 22. Alternatively, the cleaning pipes 22 and the flexible hoses 4 may be directly connected to each other.

Further, as shown in FIG. 11, the nozzle 23 can be configured to be retractable into and out of the powdery or granular material passage in the tubular portion 21. In the configuration example of FIG. 11, a mounting box 49 that slidably holds the cleaning pipe 22 along a guide hole 46 that penetrates the tubular portion 21 in the diametrical direction is attached so as to penetrate the wall surface of the tubular portion 21. There is. Inside the mounting box 49, as shown by the dotted line in FIG. 11, there is provided a storage portion 47 for storing the nozzle 23 when the cleaning pipe 22 is retracted with respect to the powder / particle passage. Also,
A coupler 48 is attached to the proximal end of the cleaning pipe 22, while a nozzle 23 is provided at the distal end thereof, and the moving range of the cleaning pipe 22 is limited to a predetermined range by the coupler 48 and the nozzle 23.

According to this structure, the nozzle 23 can be retracted into and out of the powder passage depending on the usage condition of the nozzle 23. For example, when the powder is charged, the nozzle 23 can be retracted.
If the nozzles 23 are stored in the storage section 47, there is no concern that the nozzles 23 will prevent the powder or granules from advancing or that the nozzles will be clogged with the powder or granular materials. Further, since the washable area of each nozzle 23 is expanded, the number of nozzles 23 installed can be reduced. When the cleaning pipe 22 is movable in this way, the base end of the cleaning pipe 22 and the annular nozzle header 24 may be connected to each other via a flexible hose or the like.

Further, as shown in FIG. 12, the cleaning pipe 22 having the nozzle 23 may be provided with a cleaning hole 19 for cleaning the vicinity of the mounting portion of the inner wall of the cylindrical portion 21 to which the cleaning pipe 22 is mounted. . The cleaning hole 19 is formed as a small hole so as not to adversely affect the flow rate ejected from the nozzle 23. The cleaning pipe 22 is attached to the tubular portion 21 via the lid portion 18. By removing the band 17 for fixing the lid portion 18 to the tubular portion 21 and removing the lid portion 18, the washing pipe 22 is attached to the tubular portion. It can be taken out from the part 21. By cleaning the vicinity of the mounting portion through the cleaning hole 19, it becomes possible to remove the powder particles or the like adhering to the vicinity of the mounting portion. When the cleaning pipe 22 is movable, a cleaning hole 19 is provided near the nozzle 23 so that the vicinity of the mounting portion of the inner wall of the tubular portion 21 can be cleaned when the nozzle 23 retracts with respect to the powder passage. It should be provided.

Furthermore, regarding the structure of the split valve,
It is not limited to the split valve 30 described above,
A valve body that opens and closes the flow path of powder and granules is built in the valve body,
The valve body and the valve body are configured to be dividable, and after being divided, various types of split valves can be used as long as the divided flow passages of the valve body are sealed with the respective divided valve bodies. Can be used. For example, in FIG.
It is also possible to apply the split valve 50 shown in FIG.
Also in this split valve 50, a flow path 51 of powder particles is formed in a valve body made of a metal having a substantially cylindrical appearance, and a seat portion 52 made of synthetic resin is formed on the inner wall of the central portion of the flow path 51. Together with this, the seat valve 52 is a butterfly valve in which a substantially disk-shaped metal valve element 53 that opens and closes the flow path 51 is rotatably incorporated.

One end of a drive shaft 54 for rotating the valve body 53 is fixed to the outer peripheral portion of the valve body 53.
An outer peripheral portion 180 degrees opposite to the outer peripheral portion where 4 is provided is rotatably supported by a shaft 57 rotatably supported by a bearing 58 in the valve body. Also,
The other end of the drive shaft 54 is inserted into the gear box 56 and rotated by rotating the operation handle 55 via a gear (not shown).

The valve body and the valve body 53 are dividable in the direction orthogonal to the flow path 51. That is, the valve body 53 is divided into an active side valve body 53a and a passive side valve body 53b which are integrated with the drive shaft 54 in a direction orthogonal to the flow path 51, and the active side valve body 53a and the passive side valve body 53a. Magnets 59a and 59b are fixed to the facing surfaces of the side valve body 53b, respectively.

On the other hand, the valve main body is also divided into an active side main body 60 and a passive side main body 61 at a position which substantially coincides with the dividing surface of the valve body 53. Then, on the outer periphery of the facing portion between the active side main body 60 and the passive side main body 61,
Collar portions 62a and 62b are formed, respectively, and a metal band 6 that integrates the active-side main body 60 and the passive-side main body 61 on the outer periphery of these collar portions 62a and 62b.
3 is detachably provided. Further, the outer peripheral surface of the passive-side valve body 53b and the inner peripheral surface of the passive-side main body 61 facing the outer peripheral surface of the passive-side valve body 53b are formed by part of their spherical surfaces, and the inner peripheral surface of the passive-side main body 61 is magnetized. ing. As a result, the passive-side valve body 53b is held in the passive-side main body 61 so as not to be opened during division.

Split valve 50 having such a structure
In the case of the
0, the passive side body 61 and the active side body 6
By connecting 0 and 0 with a metal band 63, both are integrated. Therefore, by rotating the operation handle 55, the valve body 53 integrated by the magnets 59a and 59b is rotated, and the flow path 51 is opened and closed. In addition, after the flow path 51 is closed by the valve body 53, the procedure described above is performed in reverse, so that the split valve 50 is
The active-side main body 60 and the passive-side main body 61 can be divided, and after the division, the openings of the divided active-side main body 60 and the passive-side main body 61 are divided into the active-side valve body 53a and the divided active-side valve body 53a, respectively. It is sealed by the passive side valve body 53b.

Therefore, the active-side main body 60 is fixed to the powder-and-granule input port 3 of the receiving container such as the reaction kettle 2 and the one opening 20a of the powder-and-granule input tool 1, and the passive-side main body 61 is fixed to the powder. By fixing to the other opening 20b of the granule throwing tool 1 and the opening 10a of the moving container 10, the same operational effect as the above embodiment can be obtained.

[0053]

As described above, according to the powdery or granular material charging device of the present invention as set forth in claim 1, dust is generated, dust from the outside, germs, etc. in a state of being sealed from the surroundings. The powder or granules in the transfer container can be charged into the receiving container without causing the mixture of the. Therefore, at the time of charging the powdery material,
It is possible to prevent the deterioration of the work environment due to the scattering of the powder and granules, and also to prevent the contamination due to the inclusion of dust and germs from the outside. In addition, since the nozzle that ejects the fluid toward the inside of the moving container is provided inside the tubular portion, the fluid ejected from this nozzle removes the powder particles attached to the inside of the moving container. Can be blown off. Therefore, it is possible to prevent the powder or granules from remaining in the moving container after the charging of the powder or granules as much as possible, and it is possible to add all the powder or granules in the moving container. Therefore, it has a remarkable effect when handling many types of powder or granules, or when handling powder or granules with high added value such as pharmaceuticals and foods that require thorough management of quality, weight, etc. for each production lot. Play.

According to the second aspect of the present invention, when the powder or granular material is charged, the nozzle is stored in the storage portion so that the nozzle may prevent the powder or granular material from advancing, or the powder or granular material may cause the nozzle to move. No more worries about clogging. In addition, since the washable area of each nozzle is expanded, it is possible to reduce the number of nozzles to be installed. According to the invention as set forth in claim 3, by cleaning the vicinity of the mounting portion from the cleaning hole, it becomes possible to remove the powder or the like adhering to the vicinity of the mounting portion. According to the invention described in claim 4, the base end portion of the cleaning pipe provided with the nozzle is connected to the annular nozzle header provided along the outer periphery of the cylindrical portion, and the fluid is supplied to the nozzle header. Since the mouth is provided, it becomes easy to supply the fluid to each cleaning pipe.

According to the invention of claim 5 or 6,
While being sealed from the surroundings, the powder or granular material in the transfer container can be charged into the receiving container without generating dust, mixing dust from the outside, and other bacteria. Therefore, it is possible to prevent the deterioration of the working environment due to the scattering of the powdery particles when the powdery particles are thrown in, and also to prevent the contamination due to the inclusion of dust or germs from the outside. In addition, since the cleaning fluid is sprayed from the inside of the cylindrical portion of the powder and granular material feeding device toward the moving container after the powder and granular material charging step, the cleaning fluid adheres to the inside of the moving container. The powdered granules can be blown off.
Therefore, it is possible to prevent the powder or granules from remaining in the moving container after the charging of the powder or granules as much as possible, and it is possible to add all the powder or granules in the moving container. Further, according to the invention as set forth in claim 6, a plurality of moving objects can be moved by sequentially exchanging only the moving container in which the powdery or granular material is stored while the powdery or granular material charging tool is still connected to the receiving container. It becomes possible to efficiently put the powder or granular material contained in the container into the receiving container.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a powdery or granular material charging device according to the present invention, showing a state in which the powdery or granular material charging device is attached between a moving container and a powdery or granular material charging port of a reaction vessel. Shows.

FIG. 2 is a front view showing a state in which only the powder / granule throwing tool of FIG. 1 is attached to a powder / granule feed port of a reaction kettle.

3 is a plan view showing the transfer container of FIG. 1. FIG.

4 is an exploded perspective view showing the split valve of FIG. 1. FIG.

5 is a vertical cross-sectional view of FIG.

6 is a vertical cross-sectional view showing a state in which the valve body of the integrated split valve of FIG. 4 is rotated.

7A and 7B are views showing the powdery or granular material charging device of FIG. 1, wherein FIG. 7A is a front view and FIG. 7B is a plan view.

8 is a partial plan sectional view showing a mounting structure of the nozzle of FIG.

FIG. 9 is a front view illustrating an example of another method of using the powder / granule throwing tool of FIG. 1.

FIG. 10 is a front view illustrating an example of another method of using the powder / granule throwing tool of FIG. 1.

FIG. 11 is a partial plan sectional view showing an example of another nozzle mounting structure applicable to the present invention.

FIG. 12 is a partial plan sectional view showing an example of another nozzle mounting structure applicable to the present invention.

FIG. 13 is a vertical sectional view showing an example of another split valve applicable to the present invention.

[Explanation of symbols]

1 Powder insertion tool 2 Reaction kettle (reception container) 10 Transfer container 20a, 20b opening 21 tube 23 nozzles 30, 50 split valve 30A upper split valve 30B lower split valve 33,53 valve body 37, 60 Active side body 38, 61 Passive side body 47 Storage

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Masanobu Ishimoto             1-9-3 Kamatahonmachi, Ota-ku, Tokyo Stock             Niigata Iron Works Engineering Center             -In (72) Inventor Keizo Nakajima             1-9-3 Kamatahonmachi, Ota-ku, Tokyo Stock             Niigata Iron Works Engineering Center             -In (72) Inventor Noriyuki Sato             1-9-3 Kamatahonmachi, Ota-ku, Tokyo Stock             Niigata Iron Works Engineering Center             -In F term (reference) 3E055 AA03 BB01 CA01 CB01 CB02                       DA03 DA07 DA09 DA16 DA20                       FA10                 3E070 AA02 AB11 FA05 FB02 VA13                 3E118 AA02 AB01 BB06 CA03 EA03                       EA10                 3F075 AA07 BA02 BB03 CA01 CA02                       CA04 CA06 CA09 CD12 DA13                       DA24

Claims (6)

[Claims] 1. A cylindrical part has openings at both ends in the axial direction, one of the openings is provided with one of the split valves of the moving container, and the other opening is provided with a receiving container. The divided one of the split valves is provided, and a nozzle for ejecting a fluid toward the inside of the moving container is provided inside the cylindrical portion. 2. A storage which allows a cleaning pipe provided with the nozzle to move with respect to the tubular portion, and stores the nozzle when the nozzle retracts with respect to a granular material passage in the tubular portion. The part is provided in the said cylinder part, The powdery or granular material insertion tool of Claim 1 characterized by the above-mentioned. 3. The cleaning pipe provided with the nozzle is provided with a cleaning hole for cleaning the vicinity of the mounting portion of the inner wall of the cylindrical portion to which the cleaning pipe is mounted. The described powder and granule feeding device. 4. A base end portion of the cleaning pipe provided with the nozzle,
4. An annular nozzle header provided along the outer circumference of the cylindrical portion, the nozzle header being provided with a supply port for supplying a fluid. Powder inserter. 5. A method for charging a powder or granular material stored in a moving container into a receiving container, wherein one opening of the tubular portion is closed by one of the split valves. A step of connecting a powder / granular material input tool and a receiving container, which integrally connects the input tool and the receiving container in a state of being closed by the other divided split valve, so as to open and close the split valve, and the split valve The moving container in a state of being blocked by one of the divided ones and the powder container into which the other opening of the tubular portion is blocked by the other of the split valves are integrally connected. Then, after the moving container / powder / granule input device connecting step for opening and closing the split valve, the powder / granule input device / receiving container connecting step and the moving container / powder / granular particle input device connecting step , Open both split valves, And a powder and granular material charging step of dropping into the receiving container, and a cleaning step of injecting a fluid for cleaning from the inside of the cylindrical portion of the powder and granular material charging tool toward the moving container after the powder and granular material charging step, A method for charging a powder or granular material, comprising: 6. A method for charging a powder or granular material stored in a plurality of transfer containers into a receiving container, wherein one opening of the tubular portion is closed by one of the split valves. A granular material charging tool and a receiving container connecting step for integrally connecting the receiving container in a state of being closed by the other divided split valve and the split valve can be opened and closed, The transfer container in a state of being blocked by one of the split valves, and the powder and granular material charging device in a state of closing the other opening of the tubular portion by the other of the split valves are integrated. Connecting step for connecting and disconnecting the split valve to open / close the moving container / powder / granule input device, the connecting step to the powder / granule input / receiving container and the moving container / powder / granular particle input device After opening both split valves, A granular material charging step of dropping the granular material into the receiving container, and a fluid for cleaning is jetted from the inside of the tubular portion of the granular material charging tool toward the transfer container after the granular material charging step. Washing step, and after closing the split valve that is integrally connected between at least the powder and granular material feeding device and the transfer container, remove the transfer container from the powder and granular material input device. An external process, and then a new transfer container in a state of being closed by one of the split valves, and the powder in a state of closing the other opening of the tubular portion by the other of the split valves. A method of charging a granular material, comprising a step of connecting a new moving container and a granular material charging device which can be opened and closed by connecting the granular material charging device together.