JPH01180233A - Discharger of liquid or the like in movable tank - Google Patents

Abstract

PURPOSE:To easily and efficiently perform liquid discharging operation by providing a freely detachable nearly L-shaped hollow casing to the end of a discharge pipe provided to the bottom of a movable tank and allowing connection and interruption to/from the movable tank to be performed via a connecting pipe freely slidable in the casing. CONSTITUTION:In the case of discharging liquid from a movable tank, an entire hollow casing 1 is firstly moved to the movable tank side and its aperture part 5 is closely brought into contact with the end face of a discharge pipe 34 and both are made to a connected state. Then the aperture part 5 is opened by moving a connecting cover 7 which closes the aperture part 5 and has a fluid passage 8 to the upper part in the hollow part of the vertical direction. A connecting pipe 12 provided in the hollow part of the lengthwise direction of the casing is slid to the lengthwise direction and the tip of the connecting pipe 12 is joined to the end of the discharge pipe of the movable tank and liquid discharging operation from the movable tank is performed. When the discharge has been completely finished, the connecting pipe 12 is moved backward and the connecting cover 7 is lowered to close the aperture part 5 and the connection to the moving tank is detached to perform washing operation.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for extracting contents in a moving tank in a moving tank type multi-purpose batch system.

[Background of the invention and prior art]

Conventional reaction tanks are of a fixed type, so raw materials inserted into them or products discharged from the reaction tank are transferred to or discharged from the fixed reaction tank via connecting piping. As a result, the piping becomes a spider web, and when handling a large number of products, piping revisions are required each time the product is changed, which not only complicates operation management and maintenance management, but also makes it difficult to manage each unit operation. Since an intermediate tank is required for the connection, the overall layout becomes complicated.Furthermore, as mentioned above, the piping becomes web-like, so residual liquid accumulates in a part of the piping, and the residual liquid is transferred to the next product. In addition, cleaning the pipes was complicated and time-consuming, and productivity also deteriorated.

Therefore, in order to minimize piping, each unit operation, for example, an injection station, multiple reaction steps,
By forming a unit with a distillation station, sampling station, dispensing station, washing station, etc., the reaction tank is not fixed, but is made into a mobile tank that can be self-propelled or move on an orbit. A mobile tank batch system that performs everything from inputting raw materials to discharging reaction products has been proposed and partially implemented.

[Problem that the invention seeks to solve]

As mentioned above, a batch system using moving tanks is effective for high-mix, low-volume production, but for this purpose, a large number of moving tanks of different types and sizes are used, so it is necessary to input or discharge the necessary raw materials. Therefore, the problem is how to connect the piping and perform work in each single unit.

In other words, even if the stopping position of the moving tank is slightly different, it becomes necessary to adjust the connecting piping of the single unit to match it. It is necessary to be able to connect piping to the required location of the mobile tank, regardless of the type or size of the mobile tank. Furthermore, since product types are frequently changed due to high-mix, low-volume production, it is essential to clean the piping when changing types.

SUMMARY OF THE INVENTION The present invention aims to provide a device for discharging liquid from a mobile tank that can be adjusted to any type and size of mobile tank with a simple configuration, and that also takes cleaning etc. into consideration. be.

[Means for solving problems]

In order to achieve the above-mentioned object, the liquid discharging device from the moving tank of the present invention includes a hollow casing with a short cross-section that can freely approach and separate from the end of the discharge pipe connected to the bottom of the moving tank. A connecting part cover having a fluid passage bored therein is slidably disposed in the longitudinal hollow part of the hollow casing, and a connecting pipe is slidably disposed in the longitudinal hollow part of the hollow casing. This is its characteristic.

[Effect]

The device for discharging liquid from a mobile tank according to the present invention includes a hollow casing with a short cross-section that can freely come into contact with and separate from the end face of a discharge pipe connected to the bottom of the mobile tank, and has a hollow casing with a short cross-section that can be freely moved into and out of contact with the end face of a discharge pipe connected to the bottom of the mobile tank. First, the entire hollow casing is moved to the moving tank example, the open end of the hollow casing is brought into close contact with the end surface of the discharge pipe, and the discharge pipe and the liquid discharge device are connected, and then , moving a connecting part cover having a fluid passage that closes a front end opening of the hollow casing upwardly within the vertical hollow part of the hollow casing to open the front end opening; , a connecting pipe is disposed in the hollow part in the longitudinal direction of the hollow casing, and is slid in the longitudinal direction to join the distal end of the connecting pipe to the discharge pipe end of the moving tank that is in close contact with the hollow casing, thereby connecting the hollow casing. The connection between the pipe and the discharge pipe is completed, and the liquid in the transfer tank is discharged by normal means.

When the liquid discharge is completed, the connecting pipe is moved back, the connecting part cover is lowered, and the opening end of the hollow casing is closed by the connecting part cover, and the inside of the hollow casing is isolated from the outside air. The casing is separated from the end face of the discharge pipe, and cleaning water is supplied from the fluid passage bored in the connecting part cover to clean the inside of the hollow casing and the connecting pipe, and the tank is ready for the next transfer tank.

〔Example〕

Embodiments of the present invention will be described based on the drawings.

The tank with a trolley shown as A in Fig. 2 is an example of a mobile mixing tank, and this mobile mixing tank (hereinafter simply referred to as mobile tank A) shows only the structure of the liquid discharge part. Other components such as an inlet, a stirrer, and a jacket are omitted. The mobile tank A consists of a tank 33 supported by a stand 32°32 erected on a mobile cart 31 equipped with wheels 30°30, . It is something that is run. 34 is a discharge pipe communicating with a communication hole 35 bored in the bottom of the tank 33, the distal end hole of the discharge pipe 34 widens 36 as it reaches the outer periphery, and 34' is the end of the discharge pipe. 37 is a valve provided in the communication hole 35 bored at the bottom of the tank 33,
The liquid valve 37 opens by pushing up the valve shaft 38 against the spring 39, and when the pushing force is released, the spring 3
9 is configured to close. Reference numeral 40 denotes a cylinder that opens and closes the valve by acting on the valve shaft 38, and the cylinder 40 is provided at a stop position of the movable tank A at the liquid discharge station of the movable tank A.

Reference numeral B designates a liquid discharge connecting device supported by a pedestal (not shown) or the like, and this connecting device will be explained with reference to FIG.

1 has a hollow body part 2 and a hollow part 3 for inserting a desk in the vertical direction at the front end of the hollow body part 2, and further includes a hollow body part 2.
extending in the longitudinal direction and horizontally providing a hollow part 4 for inserting the connecting pipe,
It is a hollow casing that has a broken-circuit shape as a whole, and a protrusion 6 is formed on the periphery of the front end opening 5 of the hollow casing 1 .

Reference numeral 7 denotes a connection part cover having a fluid passage 8 inserted into the hollow part 3 for insertion of the connection part cover provided in the vertical direction of the hollow casing 1; It is made vertically movable via a connecting rod 11 by a piston 10 of an air cylinder 9 for the connecting part cover attached to the connecting part cover 7, and when the connecting part cover 7 is lowered, the front end opening 5 of the hollow casing 1 is closed. The outside air is cut off from the inside of the hollow casing 1. Further, the tip 8' of the fluid passage 8 formed in the connection part cover 7 is opened at the side of the connection part cover 7, so as to reduce the pressure of the supplied cleaning liquid or the like.

Reference numeral 12 denotes a communicating pipe inserted into the connecting pipe insertion hollow part 4 provided in the longitudinal direction of the hollow casing 1, and the tip 13 of the connecting pipe 12 is semispherical, and is used for discharging the moving tank A described above. When joined to the widened end portion 36 of the tube 34, it is designed to perform a centering action.

Reference numeral 14 denotes a connecting pipe air cylinder attached to the hollow caning 1, and a piston 15 of the air cylinder 14 causes the connecting pipe 12 to slide longitudinally within the hollow casing 1 via a connecting rod 16. That's how it is.

17 is a cylinder for hollow casing, and the cylinder 1
The hollow casing 1 and the entire installed device are moved in the longitudinal direction by means of the piston 18 and the connecting rod 19 of 7.

Although not particularly shown in this embodiment, there are a hollow part 3 for inserting the connecting part cover 7 between the connecting part cover 7 and the hollow casing 1, and a hollow part 4 for attaching the connecting pipe in the longitudinal direction of the connecting pipe 12 and the hollow casing 1. A seal member is attached to the sliding parts etc. to prevent fluid leakage, and the hollow casing 1 and the entire built-in device are operated by the casing air cylinder 17, but there is a guide boss that regulates the direction of movement. Although not particularly shown in the drawings, these are naturally provided.

In the figure, 20 is a pipe for supplying cleaning liquid etc. to the fluid passage 8 of the connecting part cover 7, and 21 is a connecting pipe 12.
The discharge connecting pipe 21 is connected to the rear end of the discharge connecting pipe 21, and the discharge connecting pipe 21 communicates with the dispensing line.

Since the present embodiment is configured as described above, when the connecting device B is on standby before the moving tank A reaches the predetermined position, the connecting portion cover 7 is located below the hollow casing 1, The front end opening 5 of the hollow casing 1 is closed to isolate the inside of the hollow casing 1 from outside air. In such a standby state, when the mobile tank A finishes the previous process and reaches a predetermined position for discharging the liquid, such as a dispensing station, the hollow casing air cylinder 17 is actuated to remove the hollow casings 1 and 1. The entire device assembled in the casing l is moved toward the moving tank A, and the peripheral protrusion 6 of the front end opening 5 of the hollow casing 1 is moved.
is the end 34 of the discharge pipe 34 connected to the bottom of the transfer tank A.
', and the peripheral protrusion 6 of the front end opening 5 of the hollow casing l touches the end 34' of the discharge pipe 34.
When the hollow casing air cylinder 17 is in close contact with the outside air and the inside is cut off from the outside air, the operation of the hollow casing air cylinder 17 is stopped. In the case of a photosensitive material, this shielding from the outside air will ensure light shielding for the liquid. Next, the connecting part cover cylinder 9
is actuated to raise the connecting part cover 7 and open the front end opening 5 of the hollow casing 1 by the connecting part cover 7, and then actuate the connecting pipe air cylinder 14 to slide the connecting pipe 12 in the longitudinal direction. When the distal end 13 of the connecting pipe 12 is joined to the widened distal end portion 36 of the discharge pipe 34 of the transfer tank A, since the distal end 12' of the connecting pipe 12 has a hemispherical shape, the self-aligning action The connecting pipe 12 is installed concentrically with the discharge pipe 34, and this region also assists in the above-mentioned blocking effect from the outside air, thereby making the outside air shutoff more reliable as a whole. When the discharge pipe 34 and the connecting pipe 12 are brought into close contact with each other in this way, the operation of the connecting pipe air cylinder 14 is stopped, the valve 37 is opened by operating the valve 37 opening/closing cylinder 40, and the liquid etc. in the transfer tank A is discharged. The liquid and the like are discharged through the discharge pipe 34, the connecting pipe 12, and the discharge connecting pipe 21 to the dispensing line.

When the liquid etc. in the moving tank A has been discharged, the operation of the valve opening/closing cylinder 40 is stopped, the valve 37 is closed by the bias of the spring 39, the connecting pipe 12 is retreated, and the desk 7 is lowered to open the hollow. The front end opening 5 of the casing 1 is closed to isolate the inside of the hollow casing 1 from outside air. Then, the hollow casing air cylinder is operated to separate the hollow casing l from the end surface of the discharge pipe 34.

After the liquid etc. in the transfer tank A is discharged as described above, the connecting device is connected to the connecting device by supplying cleaning liquid from the cleaning liquid supply pipe 20 through the fluid passage 8 of the connecting part cover 7 to the hollow casing 1 and the connecting pipe 1.
In the moving tank method, this cleaning is carried out in
Since the main purpose is high-mix, low-volume production, product types are frequently changed, and cleaning is a requirement when changing types. Therefore, in this example as well, fluid is not provided in the connection part cover. A passageway is provided to allow cleaning of the inside.

In addition, nitrogen is supplied to the fluid passage 8 from the cleaning liquid supply pipe 20 described above.
Nitrogen can be sealed against dangerous substances by supplying and sealing the liquid into the hollow casing via the cleaning liquid supply pipe 20.
By suctioning through the fluid passage 8, it is possible to prevent odor substances from leaking into the room.

In the above-mentioned embodiments, the liquid is discharged from the moving tank, but the same effect can be obtained even if the discharged from the moving tank is powder.

〔Effect of the invention〕

The device for discharging liquid in a moving tank according to the present invention includes an abbreviated hollow casing that can freely come into contact with and separate from the end face of a discharge pipe connected to the bottom of the moving tank, and inside the vertical hollow part of the hollow casing. A connecting part cover with a fluid passage bored therein is slidably disposed, and a connecting pipe is slidably disposed in the longitudinal hollow part of the hollow casing. When discharging water, the hollow casing is tightly attached to the end of the discharge pipe connected to the bottom of the moving tank.

Then, the desk that had closed the front end opening of the hollow casing is raised to open the front end opening, and the desk is placed in the longitudinal hollow part of the hollow casing. By sliding the connecting pipe that serves as a path for a certain discharged liquid, etc. in the longitudinal direction, the tip of the connecting pipe is brought into close contact with the end of the discharge pipe connected to the bottom of the moving tank, and this also helps to block outside air in this area. If the liquid is a photosensitive substance, this shielding of the outside air will ensure that the liquid is protected from light, and by connecting the connecting pipe, the liquid in the transfer tank will be removed from the discharge pipe. It is sent to a predetermined location via a connecting pipe, and when discharge is complete, the connecting pipe is moved back and
The connecting part cover is lowered and the front end opening of the hollow casing is closed by the desk, thereby blocking the inside of the casing from outside air. The hollow casing and the entire device incorporated in the casing are then isolated from the discharge pipe.

Thereafter, a cleaning liquid is supplied from the fluid passage of the connection part cover to clean the inside of the hollow casing and the inside of the connection pipe. Further, by sealing, for example, nitrogen gas into the hollow casing from the fluid passage, it is also possible to perform a nitrogen seal against dangerous substances. Furthermore, if the liquid contains an odorous substance, it is possible to prevent the odorous substance from leaking into the room by suctioning it through the fluid passage.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, with FIG. 1 being an explanatory diagram of a coupling device, and FIG. 2 being an explanatory diagram of a moving tank. A: Transfer tank 1: Hollow casing 7: Connection part cover 8 = Fluid passage 12: Connection pipe
34: Discharge pipe patent applicant Fuji Photo Film Co., Ltd. Asahi Enserialing Co., Ltd. Figure 1 R

Claims (1)

[Claims] A hollow casing with an approximately L-shaped cross section is provided that can be freely moved toward and away from the end of the discharge pipe connected to the bottom of the moving tank, and a connecting part cover with a fluid passage bored in the vertical hollow part of the hollow casing is slidable. 1. A device for discharging liquid in a moving tank, characterized in that a connecting pipe is disposed in a longitudinally longitudinal hollow part of the hollow casing so as to be slidable in the longitudinal direction.