JPH0417438Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a deep-sea water pumping device, and in particular, a deep-sea water pumping device that facilitates the pumping of seawater by ship and makes it possible to pump seawater to a desired depth. It is related to.

[Conventional technology]

For ships sailing on the ocean, such as cargo ships and passenger ships, seawater is used for cooling internal equipment, deck cleaning, firefighting, and sanitary purposes, and for fishing boats, etc., it is used for freezing and cooling the catch. It is used for.

Conventionally, in marine floating structures such as ships,
When pumping seawater for use, a seawater box is usually installed on the bottom of the ship, and the seawater is taken into it, pumped up, and then supplied to the required areas via piping. In this case, the position of the seawater box is at the depth of the ship's water intake, and the seawater pumped up is from the surface layer.

[Problem that the invention attempts to solve]

Conventional seawater pumping equipment as described above pumps up seawater from the surface layer, so there is no problem when using it for cooling onboard equipment, deck cleaning, etc. However, when pumping up seawater in large quantities like on a fishing boat, there is no problem. There are problems when using it for freezing or cooling fish catches.

In other words, a huge amount of thermal energy is required to cool the seawater in order to freeze or cool a large amount of catch, and providing this thermal energy only with the onboard refrigeration equipment requires a large refrigeration equipment with a large refrigeration capacity. However, there is a problem in that the initial cost and running cost increase.

Therefore, it is important to use seawater with a temperature as low as possible because it can reduce the initial cost and running cost for freezing or cooling the catch. It is effective to use it.

However, while it is easy to pump deep seawater with fixed marine structures such as those seen in Japanese Patent Publication No. 60-50632, floating structures that move on the ocean, such as ships, In this case, it is difficult to pump up deep sea water, so the current method is to use seawater from the surface layer.

[Purpose of invention]

This invention was made to solve the above problems, and it not only makes it easy to pump up deep sea water on a moving ship on the ocean, but also makes it possible to pump up the desired deep sea water. The purpose is to provide water pumping equipment.

[Means for solving problems]

In the deep sea water pumping device according to the present invention, a pair of supports are installed at appropriate intervals in the longitudinal direction of a floating structure, and a plurality of flexible hoses are connected to each other so as to be bendable by means of a universal joint. One end of the connected flexible hose is connected to a water pump installed on a floating structure, and the other end of the flexible hose is suspended from the one support via a hanging wire, and the flexible hose is The above-mentioned bending part is suspended from the other support body via a hanging wire, and the hanging wire is wound up and fed out.

[Effect of invention]

In this invention, by winding or letting out the hanging wire with a hoisting machine, the flexible hose that is connected in a bendable manner is folded so that it can be expanded, contracted, and stored. This can be easily realized even on a floating structure such as a ship moving above.

[Example of idea]

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

In the figure, reference numeral 1 denotes a hull corresponding to a fishing boat, etc., and a pair of davits 3 and 4 are installed on the deck 2 on the side (for example, starboard) of the hull 1, separated by a predetermined distance in the bow and stern direction of the hull 1.
These davits 3 and 4 can be rotated to the ship's board side and to its outer side.

5 is a first flexible hose for water pumping; 6 is a universal joint 7 at one end of the first flexible hose 5;
A second flexible hose whose one end is bendably connected via the flexible hose 5,
6 has a length of, for example, 20 m, and its inner diameter is
It is 100mm. The other end of the first flexible hose 5 is connected to a movable end of a universal joint 8 fixed to the bow bulwark 1a of the hull 1, and the fixed end of the universal joint 8 is connected to a water pump installed on the deck 2. 9 via piping 10. A strainer 11 is attached to the other end of the second flexible hose 6 on the suction side.

Further, reference numerals 12 and 13 are first and second hanging wires, and one end of the first hanging wire 12 is
It is connected to the hose universal joint 7 via a hanging fitting 14 such as a hanging eye plate, and the other end is wrapped around pulleys 15 and 16 attached to the stern davit 3, and then connected to the hose universal joint 7 installed on the deck 2. 1 is wound around a drum (not shown) of a hoist 17. Further, one end of the second hanging wire 13 is connected to the other end of the second flexible hose 6 on the suction side via a hanging fitting 18 such as a hanging eye plate, and the other end is attached to the bow side davit 4. After being wound around the pulleys 19 and 20, it is wound around a drum (not shown) of a second hoisting machine 21 installed on the deck 2.

In the pumping device configured as described above, when pumping low-temperature seawater in the deep layer, the davit 3,
4 to the position shown by the solid line in FIG. 2, and the first and second flexible hoses 5 and 6 suspended by the hanging wires 12 and 13 are positioned outside the side of the hull 1, that is, above the sea surface. . After that, the cold water layer is detected in advance using a depth thermometer, etc., and a second layer is placed at that depth.
The first and second flexible hoses 5 and 6 are lowered so that the strainer 11 of the flexible hose 6 is located. That is, the brakes of the first and second hoisting machines 17, 21 are released, and the hanging wires 12, 13 are let out one after another, and when the strainer 11 of the second flexible hose 6 reaches the cold water layer, the first, The wire feeding of the second hoisting machines 17 and 21 is stopped. By driving the pump 9, the low temperature seawater in the cold water layer is transferred to the strainer 11.
from the second flexible hose 6, the universal joint 7,
The water is pumped up through the first flexible hose 5, the universal joint 8, and the piping 10, and after being cooled by a refrigeration device, it is supplied to a cold seawater tank that cools the catch, and the catch is frozen or cooled.

At this time, the suction head of the pump 9 is determined by the height from the water line L to the suction port of the pump 9, so
Even if the depth of the cold water layer increases, the performance of the pump 9 is not affected.

In addition, the depth of the hose inlet to the cold water layer can be set to a depth equivalent to the total length of the two flexible hoses 5 and 6, but if the cold water layer is at a shallow position, the second winding The hanging wire 13 from the machine 21 may be let out and lowered on the strainer 11 side of the second flexible hose 6.

When storing the first and second flexible hoses 5 and 6 on the shipboard side, the first and second hoisting machines 1
7 and 21 are operated to wind up the respective hanging wires 12 and 13, and are lifted up to the tips of the davits 3 and 4. In this state, the davits 3 and 4 may be rotated to the position shown by the two-dot chain line in FIG.

In this embodiment as described above, the first and second
The flexible hoses 5 and 6 are bendably connected by a universal joint, and one end of the connected flexible hose is connected to the water pump 9, and the bent portions of both flexible hoses 5 and 6 and the suction port side of the flexible hose 6 are are suspended by davits 3 and 4 via suspension wires 12 and 13, and each suspension wire 12 and 13 is further connected to each hoisting machine 17,
21, it can be wound up and let out, making it easy to pump up deep sea water on a floating structure moving on the ocean, such as a ship. setting and pumping of these low-temperature seawater becomes possible.

In addition, if the flexible hoses 5 and 6 thrown into seawater are washed away by strong currents, a davit 22 separate from the davits 3 and 4 mentioned above is installed on the side of the hull 1, as shown in FIG. The davit 22 and the first and second flexible hoses 5,
The bent portion of the flexible hose 6 and the suction port of the second flexible hose 6 are connected by wires 23 and 24, respectively.

Further, in the above embodiment, a case has been described in which two flexible hoses for pumping water are used, but the present invention is not limited to this, and three or more flexible hoses may be used. In this case, the method of hanging the flexible hose will be different.

Furthermore, in the present invention, the support for suspending the flexible hose via the hanging wire is
The present invention is not limited to the davits 3 and 4 as in the embodiment.

[Effect of idea]

As described above, according to the present invention, a plurality of flexible water pumping hoses are bendably connected by a universal joint, one end of the connected flexible hoses is connected to a water pump on the hull, and the flexible hoses are The other end of the suction port and the bending part are each suspended from a pair of supports provided on the hull via separate suspension wires, and the suspension wires are wound up by a hoisting machine so that they can be unwound. It is now possible to hang the tip and bent part of the flexible hose with a hanging wire, so even if the flexible hose is long, it can be smoothly lifted and stored along the length of the hull. Further, it is possible to easily pump up deep sea water on a floating object moving on the ocean, and it is also easy to set the hose inlet to a desired depth.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an example of a deep sea water pumping device according to the present invention, and FIG. 2 is a plan view thereof. 1... Hull, 3, 4... Davit (support body),
5, 6... Flexible hose, 7, 8... Universal joint, 9... Lifting pump, 12, 13... Hanging wire, 17, 21... Hoisting machine.

Claims (1)

[Scope of utility model registration request] A pair of supports are installed at appropriate intervals in the longitudinal direction of the floating structure, a plurality of flexible hoses are bendably connected to each other by a universal joint, and one end of the mutually connected flexible hoses is connected to the floating structure. The flexible hose is connected to a water pump installed on an object, and the other end of the flexible hose is suspended from the one support via a hanging wire, and the bent part of the flexible hose is connected to the other support. 1. A deep-sea water pumping device, characterized in that it is suspended via a hanging wire, and is equipped with a hoisting machine that winds up and lets out the hanging wire.