JPS62265092A - Bulk carrier - Google Patents

Abstract

PURPOSE:To load and unload a bulk cargo so effectively even at time of rainy weather, by sucking bulk materials inside the hold whose floor plate is formed into a horizontal surface and closed by an upper plate through a flexible transport pipe shifting on a floor board. CONSTITUTION:A collecting cyclone 11 and a suction device 17 or the like are provided for at the quaywall side, and the transport pipe 10 connected to this collecting cyclone 11 is coupled with a flexible transport pipe 9. Next, a suction device 17 is driven and sucks bulk materials out of a suction port 9a of the transport pipe 9. The sucked bulk materials are gathered into the collecting cyclone 11. And, when these bulk materials run short as being suctioned, a screw 25 is rotated, gathering bulk materials at the side part of a hold 5 together to the side of the suction port 9a in the center, and they are sucked. Then, a horizontal member 27 is moved over the whole surface of a floorboard 3 by a driving device 23 whereby these bulk materials are sucked. Thus, these bulk materials inside the hole are handleable so efficiently even the hold is in a state of being closed by an upper plate 4 at the time of rainy weather or the like and, what is more, since the bottom of a ship is formed into horizontaily, a cargo other than these bulk materials is transportable as well.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a transport ship for transporting powder and granular materials such as cement, and more particularly relates to a device for handling powder and granular materials loaded on a transport ship. .

(Prior art) Conventionally, in transport ships with flat bottoms for transporting powder and granular materials such as cement, cargo was unloaded by opening the hatch of the transport ship and installing the ship on the quay through this opening. This is done by inserting a transport pipe of a suction device to suction the cement and collecting it in a collection cyclone or the like.

In addition, on transport ships that can unload cargo with the hatch closed, in order to efficiently suck up the cement at the bottom of the hold, the bottom (floorboard) of the ship is tilted toward the center, making it easier for cement to collect in the center. are doing.

(Problem to be solved by the invention) However, with the former (transport bar), it is necessary to unload the cement while checking the condition of the cargo, and because the hatch is open, work is impossible in case of rain. There is a problem with becoming.

On the other hand, the latter type of transport ship has a sloping bottom to facilitate the accumulation of cement, so there is no need to check the condition of the cargo, but since it cannot carry other cargo, it must be a dedicated ship. However, there was a problem that the efficiency of ship utilization was not good.

The present invention was made in order to solve the above-mentioned conventional problems, and it is possible to transport cargo other than powdery cargo using the floorboard of a ship as a horizontal surface, and also to transport powdery and granular cargo even in rainy weather. The purpose of the present invention is to provide a transport ship for powder and granular materials that can efficiently handle cargo.

(Means for Solving the Problems) The present invention has been made to solve the above-mentioned problems. and a flexible transport pipe attached to the movable means, the transport pipe having its suction port attached to the movable means, and passing through a plate surrounding the ship. The subject matter is a powder transport ship characterized in that the discharge port is configured to be connected to a suction device.

(Function) According to the transport ship of the present invention, since the floor plate of the ship is formed horizontally, it is possible to not only transport normal cargo, but also transport powder and granular materials such as cement. You can also do

That is, a ship is loaded with powder and granular materials, and while the vessel is closed with an upper plate (hatch), a flexible transport pipe attached to a movable means moves on the floor plate and is unloaded to a suction device through the transport pipe. Ru.

As a result, the suction port of the transport pipe can be moved to every corner of the ship by the movable means to suck in powder and granules, and the unloading operation can be performed with the upper plate closed.
Unloading work can be easily carried out even in rainy weather.

(Example) An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic diagram illustrating the construction of a transport ship for transporting powder and granular materials such as cement. In the figure, 1 is a transport ship, and inside the transport ship 1 there is a floor plate 3 formed on a horizontal plane.
A ship 5 is provided which has a hatch 4 as an upper plate. The floorboard 3 is provided with a horizontally movable powder collecting device [7 (movable means);
At t, 7, there is a suction port 9a of a flexible transport pipe 9.
is installed. The transport pipe 9 passes through the hatch 4 on the way, and via the connecting pipe 9b and the connecting pipe 10,
It is connected to a collection cyclone 11 arranged on the quay side, and further connected to a suction device M17 that generates negative pressure via a bag filter 15.

The powder collecting device 7, as shown in FIGS. 2 and 3,
A drive means 23 equipped with a caterpillar 21 and a screw 2 rotatably supported by the drive means 23 and a screw 2 on its outer periphery.
5, two hydraulic motors that rotate the screw 25, a funnel-shaped suction port 9a at the tip of the transport pipe 9 supported by the support member 31, and a backing plate 32 at the rear of the screw 25. It has a brush 33 installed at the bottom.

Furthermore, a nozzle 34a of the pipe 34 for feeding compressed air is provided on the side of the suction port 9a of the transport pipe 9, and the compressed air from this nozzle 34a easily sends cement into the suction port 9a. are doing.

As clearly shown in FIG. 3, the drive means 23 is constructed by mounting a caterpillar 21 over a drive wheel 52 which is rotationally driven by a drive motor 50.

In order to load powder such as cement onto the transport ship 1 having the above configuration, the powder collecting device 7 is installed on the floorboard 3 and is buried in cement.

On the other hand, when unloading cement, first the collection cyclone 11 installed on the quay side, the bag filter 1
5, a suction device 17, etc. are prepared, and the transportation pipe 10 on the suction device 15 side is connected to the transportation pipe 9 via the connecting pipe 9b on the hull side. In this state, the suction device 17 is driven to suck cement from the suction port 9a of the transport pipe 9 while compressed air is being pumped through the pressure pipe 34. The suctioned cement is collected in a collection cyclone 11.

Then, when the cement is sucked and becomes low, when the screw 25 is rotated by the hydraulic motor 29, the hold 5
The cement on the sides is collected on the side of the central suction port 9a and is smoothly sucked. At the same time, all the loaded cement can be easily unloaded by moving the horizontal member 27 over the entire surface of the floor plate 3 by the driving means 23.

Therefore, according to the transport ship 1, the cement in the hold 5 can be unloaded with the hatch 4 closed, so that even in rainy weather, the cement can be unloaded easily.

4 and 5 show another embodiment of the present invention, in which instead of the caterpillars provided as drive means in the above embodiment, rails 55 are laid in advance on both sides of the floor plate 3, and the rails 55 are According to this configuration, the powder collecting device 7 is moved along the floor plate 3 by a driving means 60, and the powder collecting device 7 can be moved smoothly without the cement piled up on the floorboard 3 becoming an obstacle. be able to. Although the rail 55 is installed on the floor plate 3, the rail 55 is not limited thereto and may be installed on the side plate of the ship 5.

Further, as a modification of the drive means 23 equipped with the caterpillars 21 shown in FIGS. 1 to 3, as shown in FIGS. 6 and 7, a drive means 70 is installed in the center of the powder collecting device 7, and , the drive wheel 52 and the caterpillar 21 are covered with an outer plate 80 whose upper surface is inclined, and the drive means 70 is connected to the powder collecting device [7] by a support member 82, and furthermore, the cement is removed behind the screw 25. It is constructed by providing a contact plate 32 for smooth movement.

Furthermore, as another embodiment, as shown in FIG. 8, rails 55 are laid on both sides of the floor plate 3, and horizontal members 27A equipped with drive means 90 are provided on both sides, and furthermore, the horizontal members 27A are Transport pipe 9 with movable drive unit 92
Effects similar to those of the above embodiment can also be obtained by a configuration in which the suction port 9a is guided.

(Effects of the Invention) As explained above, according to the present invention, cargo other than powder and granules can be transported by configuring the bottom of the ship in a horizontal plane, and cargo can be unloaded with the hatch closed. Therefore, it is possible to provide a transport ship for powdery and granular materials that can efficiently handle powder and granular materials even in rainy weather.

[Brief explanation of drawings]

Fig. 1 is a configuration diagram schematically showing a cross section of a transport ship according to a first embodiment of the present invention, Fig. 2 is a front view showing a powder collection device of the same embodiment, and Fig. 3 is a side view of Fig. 2. 4 is a front view showing a powder collecting device according to the second embodiment, FIG. 5 is a side view of FIG. 4, and FIG. 6 is a front view showing a powder collecting device according to the third embodiment. 7 is a side view of FIG. 6, and FIG. 8 is a configuration diagram schematically showing a cross section of the transport ship according to the fourth embodiment.

Claims (1)

[Scope of Claims] A transport ship equipped with a hold in which a floor plate is formed in a horizontal plane and is closed by an upper plate, a movable means movable on the floor plate, and a flexible transport pipe attached to the movable means. The transport pipe is characterized in that its suction port is attached to the movable means, and its discharge port is connected to a suction device through a board surrounding the ship's hold. A grain transport ship.