JP2023178142A - Stirring/transferring device - Google Patents

Abstract

To provide a stirring/transferring device that is configured to stir liquid in a container and transfer liquid with nearly constant densities to the outside of the container, without having a stirring device for mechanically stirring such as a mixer provided therein.SOLUTION: A stirring/transferring device is composed of a main pipe 5 whose one opening end part 5a is connected to a feeding nozzle 4 of a container 1, a lower suction pipe 7 connected to the other opening end part 5b of the main pipe 5, and an upper suction pipe 6 branched and connected to the main pipe 5. The stirring/transferring device is configured to take liquid in an upper layer part in the container 1 that is taken in by matching a plurality of upper liquid intake ports 9A and 9B provided in an inner pipe 6A and an outer pipe 6B respectively of the upper suction pipe 6 with each other and liquid in a lower layer part in the container 1 that is suctioned from a lower liquid intake port of the lower suction pipe 7 to be taken in from a squeezing part 7A of the lower suction pipe 7, into the main pipe 5 to stir the liquid, and then transfers the liquid to the outside of the container 1.SELECTED DRAWING: Figure 1

Description

The present invention provides an agitation transfer device that agitates liquid in a container and transfers the liquid to the outside of the container.

When a powder mixture containing solid particles is stored stationary in a container, the solid particles settle due to the difference in specific gravity, and the concentration of the powder mixture becomes uneven between the upper and lower parts of the container. .

As a device for stirring the powder mixture in a container, there are a mixer that mechanically stirs with a rotating blade, an eductor device that uses a jet stream, and the like.

Patent Document 1 discloses that an eductor having a discharge port communicating with a transfer pipe is installed inside a tank for storing a solid-liquid mixture, and an intake port for taking in the upper liquid at the upper part of the tank is provided, and the upper liquid taken in from the intake port is provided. , agitation of a solid-liquid mixture configured to be supplied to a spout that drives the eductor and a jet spout that winds up solid powder and granules settled at the bottom of a tank installed near the suction port of the eductor. A transfer device is disclosed.

The technology described in Patent Document 1 is provided with an upper liquid intake device having a float and a jet spout that generates a spiral flow for sucking the powder deposited at the bottom of the container into the eductor. This invention relates to an apparatus for agitating and transferring a solid-liquid mixture with improved effectiveness.

Special Publication No. 56-28177

In general, when transferring a mixed liquid that is easily separated due to differences in specific gravity, such as a powdered mixed liquid containing solid particles, from a storage container to the outside of the container, in addition to a pump that sucks and sends out the mixed liquid, , a stirring device such as a mixer is required to stir the separated mixed liquid within the container.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an agitation transfer device that agitates liquid in a container and transfers the liquid to the outside of the container without providing a mechanical agitation device such as a mixer. With the goal.

The present invention
A device provided in a container for storing liquid,
a main pipe whose one open end is connected to a delivery nozzle of the container, takes in the liquid in the container, stirs it, and then transfers it to the outside of the container;
a lower suction pipe that is connected to the other open end of the main pipe and takes in the liquid in the lower layer in the container;
an upper suction pipe that branches and connects to the main pipe and takes in the upper liquid in the container;
The lower suction pipe has one open end formed into a tapered constricted part whose cross-sectional area gradually decreases, and the constricted part is inserted and connected to the other open end of the main pipe, and The end portion serves as a lower liquid intake port for sucking liquid in a lower layer in the container,
The upper suction pipe is vertically branched and connected to the main pipe above the constriction part,
an upper opening opening above the liquid level in the container;
a plurality of upper liquid intake ports opened at distances in an axial direction of a side wall extending from the upper opening to a connecting portion with the main pipe;
an upper liquid in the container taken in from the upper liquid intake port of the upper suction pipe;
Suction from the lower liquid intake port of the lower suction tube and the liquid in the lower layer in the container taken in from the constriction part,
It is taken into the main pipe and stirred by the suction force of a pump connected to a delivery nozzle of the container, and then transferred to the outside of the container.
Provides an agitation transfer device.

Further, the upper suction tube of the present invention includes:
Consisting of an outer tube and an inner tube inserted into the outer tube,
The inner pipe and the outer pipe have an equal number and a plurality of upper liquid intake ports disposed on each side wall,
The plurality of upper liquid intake ports opened in the outer tube are arranged at different positions in the axial direction, and
The plurality of upper liquid intake ports opened to the inner pipe are arranged at the same height position as the upper liquid intake ports opened to the outer pipe, and at different positions in the circumferential direction of the inner pipe. ,
The liquid in the upper layer of the container is taken in by rotating the inner tube or the outer tube and aligning the upper liquid intake ports of both the inner tube and the outer tube.
The agitation transfer device described above is provided.

The present invention further includes:
a rotating device including a power transmission means for rotationally driving the inner tube or the outer tube;
a rotation control device that controls the rotation device;
and a liquid level detection device that detects the liquid level in the container,
The rotation of the inner tube or the outer tube is controlled by the rotation control device based on the liquid level in the container detected by the liquid level detection device.
The agitation transfer device described above is provided.

The present invention further includes:
comprising a float floating on the liquid surface in the upper suction pipe,
the float prevents air from being sucked from the upper opening of the upper suction tube;
The agitation transfer device described above is provided.

The present invention provides an agitation transfer device that agitates a liquid in a container and transfers the liquid at a substantially constant concentration to the outside of the container without providing a mechanical agitation device such as a mixer.

1 shows a schematic cross-sectional side view of an agitation transfer device according to the present invention. 1 is a perspective view showing the detailed structure of an agitation transfer device according to the present invention. FIG. 2 is a schematic diagram showing the flow when stirring a powder mixture with the stirring transfer device according to the present invention. FIG. 2 is a diagram illustrating an outline of an example of a rotation control mechanism of an agitation transfer device according to the present invention.

Embodiments of an agitation transfer device according to the present invention will be described with reference to FIGS. 1 to 4. The present invention is not limited only to the embodiments described below. It goes without saying that the following components can be omitted or added, and the shapes of the components can be changed without departing from the gist of the present invention. Note that the figure shows the outline and only a part is drawn and the detailed structure is omitted.

FIG. 1 shows a schematic cross-sectional side view of an agitation transfer device according to the present invention.
The container 1 consists of a bottom part 1a, a side part 1b, and a roof part 1c, stores a liquid, and has an agitation transfer device 3 inside the container.
The container 1 is a large container such as a tank that stores liquid. Hereinafter, a case where the liquid in the container 1 is a slurry-like powder mixture 2 containing solid particles will be described. The slurry-like powder mixture 2 is, for example, a mixture of coal powder and oil (COM) or a mixture of coal powder and water (CWM), and when it is stored stationary, the coal The powder settles to a lower layer of oil or water.
The agitation transfer device 3 may be fixed to the roof 1c and suspended, or may be fixed by supports provided on the bottom 1a or side 1b.

The agitation transfer device 3 is provided in a container 1 that stores a powder mixture 2, and has one open end 5a connected to a delivery nozzle 4 that communicates with the outside of the container 1 to mix the powder and granule in the container 1. A main pipe 5 that takes in the liquid 2, stirs it, and transfers it to the outside of the container 1, and a lower liquid intake port 16 that sucks the powder mixture 2 in the lower layer inside the container 1 is opened at one open end 7Aa. The lower suction pipe 7 has a constricted part 7A having a tapered shape whose cross-sectional area gradually decreases at the other open end 7Ab, and the constricted part 7A is inserted and connected to the other open end 5b of the main pipe 5. and a cylindrical upper suction pipe 6 which is connected to the main pipe 5 in a vertical direction above the constriction part 7A and which sucks the powder mixture in the upper layer of the container 1.
The upper suction pipe 6 has an upper opening 19 opened above the liquid level of the powder mixture 2 in the container 1, and a side wall 6a extending from the upper opening 19 to the connection part with the main pipe 5, which are separated from each other. A plurality of upper liquid intake ports 9 are provided.
The agitation transfer device 3 sucks the powder mixture in the upper layer of the container 1 taken in from the upper liquid intake port 9 of the upper suction pipe 6, and the liquid mixture from the lower liquid intake port 16 of the lower suction pipe 7, and the mixed liquid from the constriction part 7A. The powder mixture in the lower layer of the container 1 is taken into the main pipe 5, stirred, and then transferred to the outside of the container 1.

The main pipe 5 of the agitation transfer device 3 is connected to a delivery nozzle 4 provided on the side 1b of the container 1, and is connected to a transfer pipe 14 and a pump 15 on the outside of the container 1 via a valve 17. When the valve 17 is opened and the pump 15 is operated, the powder mixture 2 in the container 1 passes from the upper suction pipe 6 and the lower suction pipe 7 of the agitation transfer device 3 to the main pipe 5, and is transferred to the transfer pipe 14 in an agitated state. from there to the transfer line outside the container 1.

The upper suction pipe 6 is equipped with a float 10 that floats on the liquid surface of the powder mixture 2 in the upper suction pipe 6, and when the powder mixture in the upper layer in the container 1 is taken in from the upper suction pipe 6. , the float 10 floats on the liquid surface in the upper suction tube 6 and serves as a lid, which can prevent air from being sucked through the upper opening 19 of the upper suction tube 6.
Note that the shape of the float 10 is not limited to the cylindrical shape as shown in FIG. 1, but may be any shape that can float on the powder mixture 2, such as a disk shape or a spherical shape, and various shapes can be adopted. Can be done.

The agitation transfer device 3 includes a liquid level detection device 11 that detects the liquid level of the powder mixture 2 based on the position of the float 10 in the axial direction within the upper suction pipe 6. For example, the liquid level detection device 11 is provided outside the container 1 , and a wire rope 12 is connected to a float 10 installed in the upper suction pipe 6 via a guide roller 13 . The float 10 floats on the liquid surface of the powder mixture 2 in the upper suction tube 6, and moves up and down according to the rise and fall of the liquid level of the powder mixture 2. Therefore, the wire rope 12 connected to the float 10 is wound up by an electric winding machine 29 while detecting the tensile force so as not to loosen. Depending on the winding length of the wire rope 12, the liquid level detection device 11 detects the position of the float 10 in the upper suction pipe 6, and measures the liquid level of the powder mixture 2 in the container 1. be able to. Further, although not shown, the float 10 is guided by two guide wires arranged in the vertical direction, so that the float 10 does not tilt or rotate. Furthermore, since the float 10 floats on the liquid surface within the upper suction tube 6, it serves as a lid that prevents air from being sucked in from the upper opening 19. In addition, in order to prevent the float 10 from being drawn into the liquid by the suction force of the pump 15 that exceeds the buoyancy of the float 10, the electric winder 29 that winds up the wire rope 12 connected to the float 10 is controlled. 10 is balanced so that it is maintained floating on the liquid surface of the powder mixture 2.

FIG. 2 is a perspective view showing the detailed structure of the agitation transfer device according to the present invention. FIG. 2A is an exploded view of the agitation transfer device 3, and FIG. 2B is an assembled view of the agitation transfer device 3.
The agitation transfer device 3 is provided in the lower part of the container 1 that stores the powder mixture 2, and one open end 5a is connected to a delivery nozzle 4 that communicates with the outside of the container 1. It has a main pipe 5 that takes in the powder mixture 2, stirs it, and transfers it to the outside of the container 1, and a lower liquid intake port 16 that sucks the powder mixture in the lower layer inside the container 1 at one open end 7Aa. A tapered constriction part 7A whose cross-sectional area gradually decreases is formed at the other open end 7Ab, and the constriction part 7A is inserted into and connected to the other open end 5b of the main pipe 5. An upper suction pipe 6 is provided above the section 7A and connected to the main pipe 5 in a branched manner in the vertical direction to take in the powder mixture in the upper layer of the container 1.

The upper suction tube 6 is composed of an inner tube 6A and an outer tube 6B that fits onto the inner tube 6A, and has a plurality of upper portions opened in the same number on the side walls 6Aa and 6Ba of each of the inner tube 6A and the outer tube 6B. Liquid intake ports 9A and 9B are provided.
The plurality of upper liquid intake ports 9B opened to the outer tube 6B are spaced apart from each other at different positions in the axial direction. The plurality of upper liquid intake ports 9A opened to the inner pipe 6A are arranged at the same height position as the upper liquid intake ports 9B opened to the outer pipe 6B, and at different positions in the circumferential direction of the inner pipe 6A. . By rotating the inner tube 6A within the outer tube 6B, the upper liquid intake port 9A of the inner tube 6A and the upper liquid intake port 9B of the outer tube 6B are aligned, and the powder mixture in the upper layer of the container 1 is removed. 2 into the upper suction tube 6.
A donut-shaped lid 8 with an open center is attached to the upper end 6Ab of the inner tube 6A, the inner tube 6A is inserted into the outer tube 6B, and the lid 8 is placed on the upper end 6Bb of the outer tube 6B. Supports the inner tube 6A.

By providing a seal packing (not shown) in the gap between the inner circumferential surface of the outer tube 6B and the outer circumferential surface of the inner tube 6A and between the upper liquid intake ports that are spaced apart from each other in the axial direction, the outer tube 6B and the inner tube 6A are sealed. The gap in the tube 6A is watertightly sealed and partitioned, and the powder mixture 2 in the upper layer of the container 1 can be taken in only from the upper liquid intake ports 9A and 9B located at the same position.

In the embodiment of FIG. 2, four upper liquid intake ports 9Aa to 9Ad are provided at different positions in the axial direction of the inner tube 6A. Note that the four upper liquid intake ports 9Aa to 9Ad are provided at different positions in the circumferential direction.
In addition, four upper liquid intake ports 9Ba to 9Bd are provided at different positions in the axial direction of the outer tube 6B, and the four upper liquid intake ports 9Aa to 9Ad and 9Ba to 9Bd of the inner tube 6A and outer tube 6B, respectively. They are located at the same height.

Generally, in the lower part of the container 1, the concentration of the powder mixture is higher than in the upper part because the particulate material such as coal powder is precipitated.
As in this embodiment, by rotating the inner tube 6A and aligning the upper liquid intake port 9A and the upper liquid intake port 9B close to the liquid level of the powder mixture 2 in the container 1, the container 1 Since the powder mixture liquid in the upper layer close to the liquid level of the powder mixture liquid 2 inside can be taken in, the powder mixture liquid with a high concentration taken in from the lower suction pipe 7 and the powder mixture liquid from the upper suction pipe 6 can be taken in. By stirring and mixing the taken-in powder mixture 2 in the upper layer with a lower concentration in the main pipe 5, it is possible to transfer the powder mixture 2 having a substantially constant concentration to the outside of the container.

Although FIG. 2 shows an embodiment in which the inner tube 6A is rotated within the outer tube 6B, it is also possible to adopt a structure in which the outer tube 6B is rotated outside the inner tube 6A.

FIG. 3 is a schematic diagram showing the flow when stirring the powder mixture with the stirring transfer device according to the present invention.
The principle by which the powder mixture is stirred and mixed is as follows.
First, when the valve 17 is opened and the pump 15 of the transfer pipe 14 is operated, the powder mixture in the lower layer in the container 1 is sucked by the lower suction pipe 7 inserted and connected to the other open end 5b of the main pipe 5. is taken in. The powder mixture in the lower layer of the container 1 contains a large amount of powder such as coal powder due to precipitation due to the difference in specific gravity.
By providing the constriction part 7A with a small opening cross-sectional area in the flow path on the opposite side of the lower liquid intake port 16 of the lower suction pipe 7, the amount of the powder mixture liquid in the lower layer in the container 1 is limited, Accordingly, a sufficient amount of the granular mixed liquid 2 containing less granular material such as coal powder in the upper layer of the container 1 can be taken in from the upper liquid intake port 9 of the upper suction pipe 6.
The powder mixture in the upper layer sucked from the upper suction pipe 6 is taken into the main pipe 5 from above the constriction part 7A, and the lower layer is taken in from the constriction part 7A of the lower suction pipe 7 while causing a swirling flow. It is stirred and mixed with the particulate material mixture liquid of 1, and is transferred to the transfer pipe 14 via the delivery nozzle 4.
Note that the diameter of the upper liquid intake port 9 of the upper suction pipe 6, the diameter of the constricted portion 7A of the lower suction pipe 7, and the diameter of the main pipe opening 18 are set such that the powder mixture 2 in the container 1 is taken in by the pump 15. During this process, both the powder mixture liquid in the upper layer and the powder mixture liquid in the lower layer in the container 1 are stirred, and the powder mixture has a nearly uniform concentration from the beginning to the end of the transfer of the powder mixture liquid. It is designed so that the granular mixed liquid 2 can be transferred outside the container 1.

The agitation transfer device 3 of this embodiment can be placed at a plurality of locations in the container 1. For example, by arranging a plurality of agitation transfer devices 3 radially and uniformly in the circumferential direction on the side wall 1b of the container 1, the powder mixture in the lower layer accumulated on the bottom 1a of the container 1 can be removed from the entire area of the bottom 1a. It can be absorbed evenly.

FIG. 4 is a diagram schematically explaining an example of a rotation control mechanism of an agitation transfer device according to the present invention.
The upper suction pipe 6 of the agitation transfer device 3 includes a rotation device including a power transmission means for rotationally driving the inner tube 6A, a rotation control device 25 that controls the rotation device, and a liquid mixture of powder and granular material 2 in the container 1. The inner tube 6A is rotated based on the liquid level of the powder mixture 2 detected by the liquid level detector, and the upper liquid level of the inner tube 6A is rotated. The position of the intake port 9A is changed and controlled by the rotation control device 25 so that it matches the upper liquid intake port 9B of the outer tube 6B, which is close to the liquid level of the powder mixture.
An example of the configuration of the liquid level detection device 11 is as follows. A float 10 inside the inner tube 6A is suspended by a wire rope 12, and the wire rope 12 is wound up by an electric winder 29 via a guide roller 13 located above the container 1. A sprocket 26 is provided between the guide roller 13 and the electric winder 29, and the linear motion of the wire rope 12 is converted into rotational motion by the sprocket 26. A liquid level transmitter 27 is connected to the sprocket 26, and the liquid level transmitter 27 outputs a liquid level signal based on the rotation of the sprocket 26. The liquid level signal is output to the liquid level indicator 28, and the liquid level indicator 28 displays the liquid level of the powder mixture 2 in the container 1 based on the input liquid level signal. The liquid level signal is also output to a rotation control device 25 that controls the rotation device of the inner tube 6A, and a rotation signal is output to the motor 23 of the rotation device according to the liquid level.

Hereinafter, an example of a rotating device including a power transmission means for rotationally driving the inner tube 6A will be described.
The motor 23 is provided on the top of the roof 1c of the container 1, and the power of the motor 23 is transmitted via a gear reduction mechanism or the like to a gear attached to the top of the inner tube 6A to rotate the inner tube 6A. A rotary shaft 24 is provided vertically on the motor 23, a power transmission gear 30 is fixed to the tip end of the rotary shaft 24, and an output gear 31 is meshed with the power transmission gear 30. The output gear 31 is fixed to the upper part of the inner tube 6A, and the rotation of the power transmission gear 30 is transmitted to the inner tube 6A via the output gear 31, thereby rotating the inner tube 6A. By rotating the inner tube 6A and aligning the positions of the upper liquid intake ports 9A and 9B of the inner tube 6A and outer tube 6B, the intake height of the powder mixture 2 in the container 1 is selectively changed. can do. Note that an insertion hole (not shown) is provided in the center of the output gear 31, through which the wire rope 12 can be inserted, as shown in FIG.

For example, if the liquid level of the powder mixture 2 in the container 1 is relatively high, rotate the inner tube 6A to align the positions of the upper liquid intake ports 9Aa, 9Ba or 9Ab, 9Bb above the inner tube 6A. , the powder mixture in the upper layer of the container 1 is taken in. In addition, when the liquid level of the powder mixture 2 in the container 1 is relatively low, the inner tube 6A is rotated and the upper liquid intake ports 9Ad, 9Bd or 9Ac, 9Bc below the inner tube 6A are used to drain the liquid in the container 1. Try to take in the powder mixture near the lower layer. In addition, a structure may also be adopted in which a rotating device is connected to the outer tube 6B to rotate the outer tube 6B.

In this way, by controlling the rotation of the inner tube 6A or the outer tube 6B according to the liquid level of the powder mixture 2 in the container 1, the liquid level of the powder mixture 2 in the container 1 can be adjusted. The upper liquid intake ports 9A and 9B, which are located at similar heights, are aligned to take in the powder mixture 2 close to the liquid level of the powder mixture 2 in the container 1, and suck it out of the container 1. The concentration of the mixed liquid 2 can be maintained approximately constant.

The agitation transfer device of this embodiment of the present invention has at least one of the following effects.
By using the agitation transfer device according to the present invention, when transferring the powder mixture contained in one container to the outside of the container, the powder mixture can be mechanically stirred with a mixer or the like. Therefore, it is possible to transfer a powder mixture having a substantially uniform concentration to the outside of the container.
Since the powder mixture can be stirred and transferred at the same time, and a separate stirring device such as a mixer is not required, equipment costs and operating costs can be reduced.
It is possible to stir and mix the powder mixed liquid in the lower layer with a lower concentration taken in from the upper liquid intake port of the upper suction pipe and the powder mixed liquid with a higher concentration in the lower layer taken in from the lower suction pipe. This is possible, and it is possible to suck out the powder mixture at a substantially constant concentration out of the container.
It is equipped with a float that floats on the powder mixture in the upper suction tube, and can prevent air from being sucked through the upper opening of the upper suction tube.

The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention. For example, the stirring and transferring device according to the present invention can be used when stirring and sucking out a beverage containing mixed powder and granules contained in one container out of the container.

1 container
1a Bottom part 1b Side part 1c Roof part 2 Powder mixture 3 Agitation transfer device 4 Delivery nozzle 5 Main pipe 5a One open end 5b Other open end 6 Upper suction pipe 6A Inner pipe 6Aa Side wall 6Ab Upper end 6Ac Lower end 6B Outer pipe 6Ba Side wall 6Bb Upper end 6Bc Lower end 7 Lower suction pipe 7A Squeezed part 7Aa One open end 7Ab Other open end 8 Lid 9 Upper liquid intake 9A Upper liquid intake 9Aa (of inner tube 6A) Upper part Inlet 9Ab First intermediate intake 9Ac Second intermediate intake 9Ad Lower intake 9B Upper liquid intake 9Ba (of outer tube 6B) Upper liquid intake 9Bb First intermediate intake 9Bc Second intermediate intake 9Bd Lower intake 10 Float 11 Liquid level detection device 12 Wire rope 13 Guide roller 14 Transfer pipe 15 Pump 16 Lower liquid intake 17 Valve 18 Main pipe opening 19 Upper opening 20 (of inner pipe 6A) Lower part (of inner pipe 6A) Opening 21 Upper opening 22 (of outer tube 6B) Lower opening 23 (of outer tube 6B) Motor 24 Rotating shaft 25 Rotation control device 26 Sprocket 27 Liquid level transmitter 28 Liquid level indicator 29 Electric winder 30 Power Transmission gear 31 Output gear

Claims (4)

A device provided in a container for storing liquid,
a main pipe whose one open end is connected to a delivery nozzle of the container, takes in the liquid in the container, stirs it, and then transfers it to the outside of the container;
a lower suction pipe that is connected to the other open end of the main pipe and takes in the liquid in the lower layer in the container;
an upper suction pipe that branches and connects to the main pipe and takes in the upper liquid in the container;
The lower suction pipe has one open end formed into a tapered constricted part whose cross-sectional area gradually decreases, and the constricted part is inserted and connected to the other open end of the main pipe, and The end portion serves as a lower liquid intake port for sucking liquid in a lower layer in the container,
The upper suction pipe is vertically branched and connected to the main pipe above the constriction part,
an upper opening opening above the liquid level in the container;
a plurality of upper liquid intake ports opened at distances in an axial direction of a side wall extending from the upper opening to a connecting portion with the main pipe;
an upper liquid in the container taken in from the upper liquid intake port of the upper suction pipe;
Suction from the lower liquid intake port of the lower suction tube and the liquid in the lower layer in the container taken in from the constriction part,
It is taken into the main pipe and stirred by the suction force of a pump connected to a delivery nozzle of the container, and then transferred to the outside of the container.
Stirring transfer device. The upper suction tube is
Consisting of an outer tube and an inner tube inserted into the outer tube,
The inner pipe and the outer pipe have an equal number and a plurality of upper liquid intake ports disposed on each side wall,
The plurality of upper liquid intake ports opened in the outer tube are arranged at different positions in the axial direction, and
The plurality of upper liquid intake ports opened to the inner pipe are arranged at the same height position as the upper liquid intake ports opened to the outer pipe, and at different positions in the circumferential direction of the inner pipe. ,
The liquid in the upper layer of the container is taken in by rotating the inner tube or the outer tube and aligning the upper liquid intake ports of both the inner tube and the outer tube.
The agitation transfer device according to claim 1. a rotating device including a power transmission means for rotationally driving the inner tube or the outer tube;
a rotation control device that controls the rotation device;
and a liquid level detection device that detects the liquid level in the container,
The rotation of the inner tube or the outer tube is controlled by the rotation control device based on the liquid level in the container detected by the liquid level detection device.
The agitation transfer device according to claim 2. comprising a float floating on the liquid surface in the upper suction pipe,
The agitation transfer device according to any one of claims 1 to 3, wherein the float prevents air from being suctioned from the upper opening of the upper suction tube.

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