JPS60376Y2 - Sand absorption device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a sand absorption device, a sand absorption device that can be conveniently used by being mounted on a sand removal ship, etc.

Conventionally, in this type of sand absorbing device, as shown in Fig. 1, jet water is sprayed from a water supply pipe 3 onto sand 2 loaded in a purge 1 to mix the sand with water, and the resulting sediment water is A method was used in which sand was blown up using a sand suction pipe 4.

However, in this conventional method, the jet water spray mixes sand and water only by force, so it is not possible to obtain a sufficient stirring effect, and the amount of water supplied is unnecessarily consumed and sucked up. In some cases, the amount of sand in the sediment water was also reduced.

In view of the above-mentioned conventional problems, the present invention mainly prevents unnecessary consumption of water when sucking up sand loaded on barges, and also effectively performs sufficient agitation for sand absorption. The purpose of this method is to increase the gold sand rate, ensure efficient sand absorption, and improve the mechanical efficiency of the device and the efficiency with which water is supplied, thereby making the device and usage costs more economical. There is, and its gist is that it consists of a water supply pipe for spraying, a waterwheel that obtains rotational force from the water sprayed from the water supply pipe, an agitation blade that operates in conjunction with the waterwheel, and a sand absorption pipe that sucks up the agitated earth and water. The sand absorbing device comprises: a casing with an open bottom that accommodates the water turbine therein, disposed approximately concentrically with the sand absorbing pipe at an outer peripheral position slightly above the lower end opening of the sand absorbing pipe; The water turbine is accommodated in a position substantially concentric with the sand suction pipe,
A connecting rod extending downward from the casing is integrally connected to the water turbine, and the lower end of the connecting rod extends further downward than the lower end opening of the sand suction pipe, and the stirring blade is integrally connected to the connecting rod. The present invention relates to a sand absorbing device characterized by being connected to each other.

Next, an example of the implementation of the present invention will be explained with reference to the drawings from FIG. 2 onwards.

10 in the figure is a sand absorbing device according to the present invention.

This sand absorbing device 10 has a vertically arranged sand absorbing pipe 18 in the center,
A water turbine casing 12 is integrally provided at a position slightly above the lower end opening of the sand suction pipe 18 and approximately concentrically arranged around its outer periphery.

The casing 12 is open on the lower side, and a ring-shaped water turbine chamber is formed surrounded by the inner wall surface of the casing 12 and the outer surface of the sand absorption pipe 18.

A ring-shaped water turbine 1 is arranged approximately concentrically with the sand suction pipe 18 in the water turbine chamber.
3 is rotatably housed, and this water wheel 13 has a large number of water wheel tools 14, 14, . . . .

On the other hand, inside the casing 12 there is a water supply pipe 11 extending tangentially.
are being communicated.

A nozzle is formed at the tip of this water supply pipe 11.
High-pressure water sent through the water wheel is sprayed onto the water wheel tool 14 of the water wheel 13 to rotate the water wheel 13.

Further, a guide plate 17 is provided directly below the water wheel 13 to guide the supplied water to the sand 2 in the hopper of the barge 1 and cause it to fall.

This guide plate 17 is approximately funnel-shaped, and water that has finished rotating the water wheel 13 and has lost energy flows through this guide plate 17.
The sand flows down along the outer surface of the sand suction pipe 18.

Also, below the water wheel 13 are connecting rods 15.1 arranged in a lattice pattern.
5... are vertically arranged in a tubular arrangement.

The lower end of the connecting rod 15 extends further downward than the lower end of the sand suction pipe 18, and the lower part is bent outward and widened. 16.
There are multiple...

The stirring blades 16 are formed into a tapered shape, and their ends are fixed between adjacent connecting rods 15, 15, and the free end side is arc-shaped, and each stirring blade 16, 16... - The length of the connecting rod 15 is made shorter as it is provided at the lower end, so as to cope with rotational resistance at a deeper location.

Note that a slurry pump 19 provides a suction action to the sand suction pipe 18, and this slurry pump 19 is powered by an electric motor 2.
0 is used as its driving source.

The sand absorbing device constructed as described above is mainly suspended by a tabbit 21 installed on the sand removal vessel A, and is loaded into a hopper loaded with sand 2 of the barge 1. In particular, this effect is particularly noticeable in a sand removal ship having a structure in which surplus water is sucked up from the spreading device 22 and circulated by the pump 23 and the return pipe 24 to serve as a water supply source.

Incidentally, the sand absorption device according to the present invention is not limited to being an auxiliary device of a sand removal vessel, and can also be implemented on land.

In addition, as shown in Fig. 6, the present invention is designed to transfer sand 2 carried by barge 1 to the reclaimed land 25 when carrying out construction work to lay a sand layer of about 1rrL on the reclaimed land 25 which is protected from the soft strata of the seaside. It can also be used when bringing the water ashore to the reservoir 26. In this case, the water discharged into the reservoir 26 along with the sand is sent to the water supply pipe 11 via the surplus water return pump 27, and the water in the reservoir 26 is mixed with the water in the reservoir 26. By circulating the water in the barge 1, excess water can be discharged from the storage pond 26, thereby preventing pollution of nearby water areas.

The sand absorbing device of the present invention is constructed as described above, and uses a water wheel as the power to drive the stirring blades, and the water used to rotate the water wheel can be used as mixed water for sand absorption. Particularly when used to take out sand loaded on a barge, it has become possible to effectively mix sand and water, and it is also equipped with a casing concentrically with the sand suction pipe. A ring-shaped water wheel is housed in the water wheel, stirring blades are attached to the water wheel via a connecting rod, and the bottom surface of the casing is opened to supply water to the outer periphery of the sand absorption pipe. Rotation is transmitted to the agitating blades without passing through transmission mechanisms such as shafts, gears, chains, etc., which provides a device with high mechanical efficiency and fewer failures.In addition, water contamination and agitation are prevented from occurring at the outer periphery of the opening of the sand suction pipe. As the water is mixed with water and immediately sucked up into the sand suction pipe after stirring, it is possible to suction up a mixed state with a high gold sand content, reducing the amount of water used and increasing the sand suction pipe. This means that the amount of sand can be increased, making it possible to perform sand absorption economically.

[Brief explanation of the drawing]

Fig. 1 is a front view of a conventional sand absorbing device, Fig. 2 is a partially sectional front view of the sand absorbing device according to the present invention, Fig. 3 is a partial sectional view of the water turbine, and Fig. 4 is the same state in use. Front view showing 5th
The figure is a schematic view showing the same state of use, and FIG. 6 is a sectional view showing another example of use. 10... Sand absorption device, 11... Water supply pipe,
12...Casing, 13...Waterwheel,
14...Water wheel equipment, 15...Connecting rod, 1
6... Stirring blade, 17... Guide plate, 1
8...Sand suction pipe, 19...Slurry pump, 20...Electric motor, 21...Tabbit, A...Sand removal boat.

Claims (1)

[Scope of utility model registration request] In a sand absorption device comprising a water supply pipe for spraying, a water wheel that obtains rotational force from the water sprayed from the water supply pipe, an agitation blade that operates in conjunction with the water wheel, and a sand absorption pipe that blows up the agitated earth and sand water. , a casing with an open bottom that accommodates the water turbine therein is provided at an outer peripheral position slightly above the lower end opening of the sand absorption pipe and is arranged approximately concentrically with the sand absorption pipe; The water wheel is housed in a substantially concentric arrangement with the pipe, and is integrally connected to the water turbine with a connecting rod extending downward from the casing. A sand absorbing device characterized in that the stirring blade is integrally connected to a connecting rod.