JPS584675B2 - Ships transporting slag, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is applicable to, for example, slag, steel slag, and other various industrial wastes and earth and sand (hereinafter simply referred to as "slag, etc.") produced in large quantities during metal refining or steel manufacturing.

) related to carrier ships. As is well known, slag is usually transported by sea to a far-flung dumping or landfill site, or to a predetermined location in the vicinity, where it is used for reclamation work and other purposes. Most species carriers, whether self-propelled or non-self-propelled, are equipped with their own unloading equipment. Relying solely on belt conveyors for discharge to

However, with a normal belt conveyor, the upper limit of the rising angle for this type of conveyance is about 15 degrees, so in order to transport, for example, slag from the bottom of the ship to the upper deck, it is necessary to use the inclined belt conveyor. Since the passageway needs to be that long, a considerable amount of space on the ship's floor will be occupied for its passage, and the proper placement of various structural equipment will be significantly hindered. cannot be avoided.

By the way, such drawbacks and inconveniences can be solved by, for example, ``locating the discharge end of a horizontal belt conveyor that is installed vertically below a number of hoppers arranged in appropriate rows in the hold, on the bow side of the hold or/and at the stern.'' It would be possible to eliminate it almost completely by arranging it at the side end and connecting the discharge end to a bucket elevator erected at a suitable height above the upper deck.

However, in this case, these buckets are of the interval bucket type due to the material being handled, and because of losses during scooping, limitations on rising speed, and spillage from the buckets, they are different from the horizontal belt conveyor that precedes them. Therefore, it is unavoidable that this bucket elevator becomes a bottleneck in terms of transportation capacity, and also has the disadvantage of generating noise.

The present invention has been made in view of the above circumstances.According to the present invention, all of the above-mentioned drawbacks and inconveniences are eliminated, and the various equipment related to unloading work that must be installed on board the ship can be made more compact. As a result, it becomes extremely easy to increase and secure hold space, which contributes to improving the operating rate and profitability of ships carrying slag, etc.

Next, to explain the present invention with reference to an embodiment, in FIGS. 1 to 4, 1 is a hull, 2 is arranged on the center line of the hull 1 in the bow and stern direction, and an appropriate material is placed on the upper deck 3. A ship hold having an opening of the same size, 4, 4 holds the slag etc. loaded in the ship hold 2, and an appropriate number of rows (in the illustrated example, one row on the hull center line) of bottom running belts each equipped with the slag, etc. loaded in the ship hold 2.
A number of hoppers in appropriate number of rows (two rows in the embodiment) are arranged to send the slag onto the belt conveyor 5, and each one is located near the bottom exit of each hopper to transport the slag, etc. onto the belt conveyor 5 quantitatively and For example, vibrating feeders 6, 6 are installed for continuous cutting and feeding.

Further, reference numeral 7 has a special structure connected to the discharge end of the belt conveyor 5, and a part of the side surface is formed into a concave semicircular shape with a radius R or a shape close to it. a belt conveyor, 8, engages the first belt conveyor in the concave semicircular portion to form a set;
A second auxiliary belt conveyor 9 whose side surface is partially in the shape of a convex semicircle with a radius R or in a shape close to it has its discharge end protruding outboard at a predetermined out reach;
A boom conveyor 10 that can be held is an upper deck room that encloses the parts of the first and second belt conveyors 7 and 8 that protrude above the upper deck 3, and an original belt car 101,
The driving motor 101a, the speed reducer 101b, a control room (not shown) for the belt conveyor device, and the like are housed and installed therein.

Also included are first and second belt conveyors 7,
A charging chute 11 is provided to connect the discharge end of the boom conveyor 8 and the supply end of the boom conveyor 9.

Via the bottom traveling conveyor 5 provided on the hull centerline,
The slag and the like that have been continuously sent in appropriate amounts to the stern side of the ship's hold 2 are fed from the discharge end to the supply end of the corresponding first belt conveyor 7 for steep slopes located below.
Then, under the cooperative action based on the engagement with the second belt conveyor, the upper deck 3 is moved to a suitable height above the upper deck 3 along its steeply inclined line having a semicircular shape with radius R or a side profile close to it. After being carried out to the position, the feeding chute 11 is transferred to the supply end of the boom conveyor 9 whose discharge end is projected and held outside the starboard or port side with a predetermined out reach.
is continuously supplied through the

Therefore, if necessary, the discharge end of the boom conveyor can be connected to, for example, a belt conveyor (not shown) separately arranged on the land side, or the slag etc. loaded in the hold can be easily transported without connection. The cargo can be easily and efficiently unloaded onto a quay or a designated receiving facility, or transported to a desired landfill site.

By the way, as already mentioned in FIG. 5, within a range where the side surface shape is a semi-circular shape with a radius R or a shape close to it, while maintaining an engaging relationship with each other, the upward direction, that is, U in the drawing A first belt conveyor 7 and a second belt conveyor 8 rotated at the same speed in the direction of the arrow;
The relative positional relationship of the bottom running conveyor 5 that precedes these is illustrated, but for example,
As is clear from FIGS. 7 and 8, which correspond to enlarged cross-sectional views taken along line -■ and line ■-■, the first belt conveyor 7 includes a flat rubber belt 7a having a total width of B;
Continuous corrugated selvedges 7b, 7b made of elastic material such as rubber are attached along the length of the rubber belt at appropriate inner positions from the side edges thereof; and an inner effective width. B1, and the depth (height) D of these two wave diagnostic ear crosspieces, which are formed on the upper surface of the flat rubber belt and whose cross-sectional shape is approximately rectangular. The second belt conveyor 8 is made up of a large number of horizontal bars 7c of depth (height) D placed horizontally at an appropriate pitch P in order to be divided into two directions. is a flat rubber belt 8a with the same overall width B, and along each side edge of this rubber belt, at a position slightly inside of them,
It consists of corrugated selvedges 8b, 8b made of an elastic material such as rubber, which are continuously attached in the length direction.

In addition, the inner effective width B3 of these two wave-shaped ear bars 8b, 8b
Specifically, the first belt conveyor 7 and the second belt conveyor 8 facing each other can be in a latched state as shown in FIG. 8 or 9.
Suitably larger than the maximum width B2 of the corrugated selvedges 7b, 7b in the first belt conveyor 7 so that the open upper opening of the conveyor 7 can be completely covered and closed by the second belt conveyor 8. It has been done.

By the way, the reason why the ear bars 7b and 8b for preventing cargo from spilling are made of elastic material and have a corrugated shape is to alleviate the deformation (tensile stress) in the length direction at the bent part of the conveyor line, especially when passing through the belt pulley. This is to prevent damage.

Also, in those drawings, 101 is the original belt wheel, 102
103 is a slave belt pulley, and 103 are idlers arranged at appropriate intervals.

The slag, etc., which is continuously dropped in appropriate amounts from the discharge end of the bottom running belt conveyor 5, is deposited on the upper surface of the flat rubber belt 7a of the first belt conveyor 7. 7b and each of the horizontal bars 7c, it is continuously distributed and stored in a substantially uniform supply amount through the upper open end, and the rotation of the first belt conveyor is carried out. Following the motion, the line is sent straight upwards, but the slope of the line soon increases rapidly,
As described above, in the range where the inverted 90° is exceeded and the state is somersaulted, the second belt conveyor 8 and each of the horizontal bars 7c engaged with this are present, so the slag is Due to the action of gravity, the belt line, which has a semicircular shape with radius R or a shape close to it, flows backward and falls downward in the opposite direction to the direction of rotation.
In addition, the second belt conveyor 8 is completely transferred to the second belt conveyor 8 and transported upwards without leaking to the outside. At the position where it is released from engagement with the first belt conveyor 7 and passes the upper original belt wheel 101, it falls away from the second belt conveyor 8 due to its own weight, and as described above, , are continuously fed via the corresponding dosing chute 11 to the feed end of the boom conveyor 9.

Note that the present invention is not limited to the above embodiments,
For example, a feeder 6 is installed at the bottom opening of each warehouse hopper 4.
Alternatively, or in addition to this, a door for adjusting the opening may be installed.Also, the first belt conveyor 7 is not separated from the bottom running belt conveyor 5, but is extended to the entire length of the bottom of the ship. Alternatively, it may be a series of devices including a bottom running belt conveyor.

In addition, if necessary, the bottom traveling belt conveyor 5 may be provided with two wave-shaped selvedges like the second belt conveyor 8 described above, or its discharge end may be placed on the bow side or on both sides of the bow and stern in the hold. Furthermore, the bottom running belt conveyor 5 and the first and second belt conveyors 7, 8 may be of a multi-row installation type corresponding to the number of rows of hoppers 4.

Note that the boom conveyor 9 installed on the upper deck 3 can be replaced with a slide conveyor, etc., with the same effect.
In short, it goes without saying that the present invention can be subjected to various changes and changes within the scope of its gist.

[Brief explanation of the drawing]

The drawing shows an embodiment of the carrier ship according to the present invention.
Fig. 1 is a schematic side view of the entire structure, Fig. 2 is a plan view thereof,
Figure 3 is a plan view of the cross section taken along the line ■-■ in Figure 1, Figure 4 is an enlarged cross-sectional view taken along the line ■-■ in Figures 1 and 3, and Figure 5 is An enlarged side view for explaining the main parts of the present invention, FIG. 6 is a top view thereof, and FIGS. 7 to 9 are lines ■-■, ■-■, and ■-■ of FIG. 5, respectively. 10 is a cross-sectional enlarged view of the arrow in Fig. 8 or 9.
FIG. 11 is a plan view of a cross section taken along line ■■-■■ in FIG. 8, and FIG. 12 is a partial side view of a longitudinal section taken along line - It is an enlarged perspective view illustrating a part of the structure of the conveyor. 1... Hull, 2... Hold, 3...
...Upper deck, 4,4...Kurasoko hopper, 5...
...Bottom running belt conveyor, 6,6...
・Vibration feeder, 7...First belt for steep slopes・
Conveyor, 8...Second belt conveyor, 7a, 8a, which is paired with the first belt conveyor 7.
Flat rubber belt, 7b, 8b...corrugated ear piece,
7c...Horizontal beam, 9...Boom conveyor, 10...Upper deck room, 11...Chute for loading.

Claims (1)

[Claims] 1. A number of cargo bottom hoppers are arranged in appropriate rows in a cargo hold that is arranged along the hull centerline in the bow and stern direction and has an opening on the upper deck. Store the mine slag etc. in the bow of the ship's hold or (and)
A bottom running conveyor is installed at the stern end, and the discharge end of the conveyor is connected to an inclined belt conveyor installed at an appropriate height above the upper deck. A self-propelled type equipped with an appropriate unloading device such as a boom conveyor or slide conveyor whose discharge end can protrude overboard in order to receive the cargo released from the hold and discharge it overboard. or in a non-self-propelled slag conveyor, the inclined belt conveyor is a flat rubber belt, a continuous belt made of elastic material attached along the length of the flat rubber belt along both sides of the conveyor, Two wave-shaped selvedges and a gutter (groove) formed by these two wavy selvedges on the top side of the flat rubber belt.
a first belt conveyor including a plurality of cross bars placed horizontally at appropriate intervals therein; a flat rubber belt having substantially the same width as the first belt conveyor; and a flat rubber belt along each side edge of the rubber belt. , and a second belt conveyor including two corrugated selvedges made of an elastic material that are continuously attached in the length direction at a position slightly inward from the second belt conveyor, and
Between the supply and discharge ends of the inclined belt conveyor, the first belt conveyor has a concave semicircular shape with a radius R, or a concave semicircular shape having a radius R, and a convex semicircular shape having the same radius R, forming a pair therewith. portions of the second belt conveyor at or near the shape thereof, and within this range the portions of the first belt conveyor
A ship for transporting slag, etc., characterized in that the open upper opening of the belt conveyor is completely covered and closed by the second belt conveyor.