ES2346127B1 - PROCEDURE FOR THE DISCHARGE OF CONTINUOUS DRUG MATERIALS. - Google Patents

Abstract

Material discharge procedure continuous dredging comprising a first stage of assembly of a gangster-pitcher (2) on a dredger (1), a second stage of beginning the dredging process in which the dredger and gangster-pitcher behave like a conventional dredge, a third stage, disassembly of both elements when the Cantabrian-Cantabrian pitcher (2) It is full of material, assembling a new gánguil-cántara, in the dredger, to continue with dredging and a fourth towing stage in which the gangster-pitcher full of material is anchored to the tugboat (3) waiting for more complete gangsters to be all towed to the designated discharge area, and may contain each gangster-pitcher a geotextile bag of insulation that prevents the dispersion of materials, all this configured in such a way that continuous dredging is performed, Ecological and efficient.

Description

Material discharge procedure dredging continuously.

Field of the Invention

The system and procedure referred to in the invention is framed within the naval sector , taking into account environmental aspects . The purpose of the procedure is to improve profitability in dredging activity, in particular, to eliminate the time wasted in transporting sediments to dump sites, achieving both economic and ecological efficiency, use of less fuel and less environmental impact.

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Background of the invention

In the field of vessels dedicated to dredging, including suction, there are many varieties. The variations that are made are mainly by the charging method to achieve greater efficiency in the dredged

On the other hand, the gangsters have been used as transporters of dredged materials since It's been a long time. Fundamentally they are used with dredgers type spoon.

Currently, the task performance of Dredging depends on the distance to the dump site. The loss of much time in the transport of materials to the area of discharge. The duration of each dredging session is much shorter than from the transfer to the dump site that can last several hours.

The current dredgers have some lacks remarkable in terms of profitability of dredging time, because up to 75% of the dredging session (between extraction and extraction) is wasted in the transfer of material to the sites of dump.

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Description of the invention

The method disclosed by the present invention utilizes a vessel system comprising a suction dredger, bucket or any other current system and a plurality of non-motorized pitchers, such that only the pitchers are directed to the sites of dump, with the help of a tugboat. In this way, using a strategy of gangster-pitcher groups, great economic and environmental advantages are obtained.
such.

Through this procedure, once the Cantabrian pitcher, it is detached from the dredging vessel and Leave room for another. Thus, the dredging process can be continuously running, significantly increasing the efficiency.

Current dredgers must take a trip through each session to the dump site. By using this system, a set of gangsters can wait until they are full to take, by a tugboat, to the dump site. This shows a lower use of fuel, having less paths to do.

The discharge can be of several gangsters in the same site, controlling train speed and system opening of the gates of the gangsters. Pour contents contaminants on top of each other to isolate them bio / geologically It is the best ecological measure if you want to pour the materials at the dump sites. The spill can tip over one then another in the same place, so that the climatic conditions will be the same (sea currents, etc.), then pour a layer of clean materials that cover the contaminated

The dredging process of the invention It comprises at least the following elements:

- A Dredger (suction or other method): vessel that has all the necessary systems to carry out dredging Formed by the pump and suction nozzle, spoon ... etc

- A plurality of Cantabrian pitchers capable of assembling in the dredger boat. In it the extracted materials accumulate by the dredger. Each of the gangsters-Cantabrian It has its opening system by the bottom of the helmet to be able to Pour the materials. These gangsters have an anchor system that allow to connect with each other.

- A Tugboat gánguiles-cántara: Tugboat capable of carrying the gangsters-pitcher. It has the necessary technology to manage the opening of the gangsters it carries.

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And it includes the following stages:

In a first stage before the start of a dredging session, a gangster-Cantabrian is assembled About the dredger.

In a second stage, the process of dredging and the dredger and gangster-pitcher will They behave like a conventional dredge.

In a third stage, when the pitcher of Gángil-Cántara is full of material, we proceed to disassembly of both elements and in the dredger a new empty gangster is inserted to continue dredging.

In a fourth and final stage the gangster-pitcher full of material is anchored to the tugboat waiting for more complete gangsters to be all towed to the designated discharge zone.

All configured in such a way that performs continuous, ecological and efficient dredging.

In this way, the dredging session is not left interrupted by the transfer of the materials taken to the site of the dump. This work will be carried out by the tug which, which train with its wagons, will carry the convoy of pitchers-gangsters.

When located in the dump area, the Tugboat will manage the opening of the gangsters.

To carry out the procedure it is necessary a dredger, which essentially consists of all the elements that now has a dredger, along with the possibility of inserting / extracting A portable pitcher. With this procedure, your profitability in dredging sessions where the distance between the Dredging place and dump sites is large. So, it attacks specifically the time that is wasted in the transport of materials to dump sites. Savings in fuel and in Total time devoted to dredging are remarkable.

The dumping in the dump sites can be of all the pitchers in the same place, controlling the speed of the train, and the opening system of the floodgates of the gangsters Thus, the idea of pouring content is reinforced pollutants on top of each other to be able to isolate them geologically: the discharge can be made one after other, so that the weather conditions will be the same (sea currents, etc.), to finally pour a layer of clean materials

The gangsters can simply be containers with a previously designed pitcher shape surrounded by floating material. They can be of different sizes and thus adapt to the draft or needs. Likewise, they can contain in its interior as a bag, an insulator of geotextile material in such a way that the deposited material is biologically-geologically isolated both during its fall to the bottom and afterwards on the seabed, thus collaborating for the preservation of the environment, since:

- They are poured into the sea in isolation, without disperse them because they are suspended or due to Ocean currents.

- The contents of the bags predictably once it reaches the seabed an extension similar to bag size, occupying smaller thickness. The bags are not They close, subtracting complexity.

- You can place spills of different you will sing one on top of the other, the dredged material remaining (contaminant) biologically / geologically isolated from the environment.

- Additionally, and in a very simple way, dump areas can be regenerated as recoverable habitat, by subsequently pouring another layer of materials from a sandbar, for example.

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The economic cost of this solution in the dredging sessions is minimal since geotextile is a material cheap.

The gangster-pitcher must be transparent in order to deploy on the insulating bag that placed in the pitcher by a roll system or by means of a crane that deploys all over the Gánguli-Cántara. That is, the opening systems of the gates of the pitcher must not be inserted in the inside of it. The shape of the gangster-pitcher it can be square or also in a "V" shape which allows the upper ends of the bag embedded in the pitcher, thanks to friction with water, they rise during the fall process towards the bottom in order to increase the protection of Materials inside the bag.

The gates of the pitcher must be of dimensions similar to the bottom of the pitcher, such so that you can avoid tensions in the bag that cause your break.

Geotextile is an inert material and therefore So much does not biologically affect the environment. In addition, the cost economic of this solution is low since the geotextile is a cheap material.

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The discharge of materials constitutes 90% of the pollution that a dredger produces. The conservation of seabed causing the least possible environmental impact on Dump sites will become essential in the coming years.

Environmental regulations in Spain have grown significantly since our joining the Union European These regulations directly affect the activities of dredgers, as they increase the environmental requirements that They must comply with dredging operations. In the future, the "CEDEX" criteria (Recommendations for material management dredged in Spanish ports) will become obsolete through entry into force of more rigid Community legislation. Before this panorama of change in the sector marked by protection environmental, only dredges adapted to the conservation of marine environment that causes the least possible environmental impact where It develops its activity will be the only ones that meet the legislative requirements Those that have a deposit system by insulating bags, the possibilities of operate.

The fitting system of the different wagons of deposits and the form of transport (tugboat or vessel that pushes the gangsters) will adapt to the typology of the transport vessels with gangsters who could get ready

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Brief description of the drawings

Then it goes on to describe very brief a series of drawings that help to better understand the invention and that expressly relate to an embodiment of said invention presented as a non-limiting example of is.

Figure 1 shows a perspective view of a Dredger coupled to a gangster-pitcher.

Figure 2 shows a perspective view of the dredger of figure 1 with the gangster-pitcher disengaged.

Figure 3 shows a perspective view of the trailer towing several gangsters-pitchers.

Figure 4 shows a scheme of the deposit of materials on the seabed with gangster-pitchers With geotextile bags.

Figure 5 shows a view of the result end of the discharge of the materials deposited in the same place, with a layer of clean sand to isolate them geologically.

The elements represented in the figures belong to:

one.-

Suction dredger

2.-

Gangster-pitcher

3.-

Tug

4.-

Pipe fitting

5.-

Geotextile bag

6.-

materials

7.-

Layer of clean sand

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Description of a preferred embodiment of the invention

In figures 1 and 2 it can be seen as the dredger suction (1) contains all the elements to dredge, except the Cantabrian, which is an external element that is assembled to said dredge.

The gangster-pitcher (2) has a such design that is able to fit with the suction dredge (1) and with other gangsters-pitcher (2) to be hooked on a material transfer tug (3), as shown in the figure 3.

In the preferred embodiment of the invention here exposed, the gangsters-pitcher (2) and the dredger of suction (1) are assembled and disassembled between yes, in addition to the hull, for the pipe system that distributes the material dredged by the pitcher, through a fitting (4).

During the dredging process, the two assembled vessels, dredge (1) and gangster-Cantabrian (2), behave like a dredger conventional. Flooded deposits in the dredge's hull allow hydrostatic balance with the gangster-pitcher to facilitate maneuvering of assembled and disassembled.

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By this procedure, when a gangster-pitcher (2) is full of materials (6), passes to the trailer (3) of gangsters-pitcher, managed by the tugboat, so that the dredging session continue thanks to another gangster-pitcher (2) assembly. The tugboat (3) will carry a series of gánguiles-cántara (2) to the dump site or Deposit of materials. Through this procedure, the dredger you can spend almost all the time, for what you are destined.

Of the material transfer time dredging will be handled by the tugboat, which may carry a series of gangsters. The tugboat manages the opening of the gangsters, being able to do it in such a way that all the gangsters are open in the same place and, therefore, the materials are deposited in The same site. As detailed, this measure produces a lower environmental impact. With this system, in short, they are achieved high levels of efficiency both economic and also of environmental protection

Through this system, the dredger can use almost all of the time, for what it is intended. Weather the tugboat will take care of the dredged materials, which You can carry a series of gangsters. The tugboat manages the opening of the gangsters, being able to do it in such a way that all the gangsters open in the same place and therefore deposit the materials in the same place, pouring the content of the gangster-pitchers (2) one on top of the other geologically isolating them by pouring a layer of clean sand (7) to the end of last discharge as seen in figure 5.

As detailed, this measure produces a less environmental impact and much less will be the impact Environmental if the pitchers contain geotextile bags (5) on which materials are deposited (6), as shown in figure 4, such that when the floodgates of the Cantabrian falls the bag (5) by gravity towards the sea floor, eliminating its dispersion at the time of descent. When it reaches the bottom of the sea the materials (6) are deposited in it, covering an extension similar to the length of the bag, insulating bio / geologically deposited materials (6) of the ecosystem in the moment of the fall thanks to the bag (5) geotextile.

With this system, in short, they are achieved high levels of efficiency both economic and also of environmental protection

Claims (7)

1. Continuous dredging material discharge procedure characterized by comprising:

-

a first stage of assembly of a gangster-pitcher (2) on a dredger (1).

-

a second stage of beginning the dredging process in which the dredger and gangster-pitcher behave like a conventional dredger

-

a third stage, disassembly of both elements when the gangster of the gangster-pitcher is full of materials (6), assembling a new gánguil-cántara (2), in the dredger, to continue With dredging.

-

a fourth towing stage in which the gangster-pitcher full of material is anchored to the tugboat (3) waiting for more complete gangsters to be towed all to the designated discharge zone

all configured in such a way that performs continuous, ecological and efficient dredging.

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2. Continuous dredging material pouring method according to claim 1, characterized in that the assembly of the first stage is carried out by coupling the hulls and / or the pipe distributed in the hook-gutter (2) the material dredged by the dredger (1). 3. Continuous dredging material discharge procedure according to claims 1 and 2, characterized in that the tugboat (3) manages the opening system of the lower part of the hull of the gangsters-pitcher (2). 4. Continuous dredging materials discharge method according to claims 3 characterized in that in the second stage the dredged materials (6) are deposited on a geotextile insulating bag (5) covering the gangster-pitcher. 5. Continuous dredging material discharge method according to claim 4, characterized in that once the gates of the gangster-pitcher are opened, the bag (5) filled with materials (6) falls without dispersion of materials, by gravity on the seabed. 6. Continuous dredging material discharge method according to claim 5, characterized in that all towed gangsters (2) are opened in the same place, all materials (6) being deposited in the same place. 7. Continuous dredging material pouring method according to claim 6, characterized in that once the tugboat (3) is placed in the designated deposit area, the contents of the gangster-pitchers (2) are poured one on top of the other, isolating them geologically pouring a layer of clean materials (7) at the end of the last spill.