CN108396710B

CN108396710B - Enclosed sea-filling method and sea-filling device

Info

Publication number: CN108396710B
Application number: CN201710067718.6A
Authority: CN
Inventors: 向志勤
Original assignee: Kat Yue Construction Engineering Ltd
Current assignee: Kat Yue Construction Engineering Ltd
Priority date: 2017-02-07
Filing date: 2017-02-07
Publication date: 2022-02-01
Anticipated expiration: 2037-02-07
Also published as: CN108396710A

Abstract

The invention provides a sea reclamation device. The sea reclamation apparatus includes: the special-purpose plane ship comprises a special-purpose plane ship, an outer discharge chute fixedly connected with the plane ship and an inner discharge chute arranged in the outer discharge chute; wherein the special-purpose plane ship and the inner and outer discharge chutes are fixed through a suspension device, and a water pump is arranged on the special-purpose plane ship and used for laying the sea-filling materials on the seabed through a screen or on average; the plane ship is provided with a suspension device, and the inner unloading groove is lifted and lowered by the suspension device fixed on the special-purpose plane ship. The invention further provides a method for sea reclamation by using the sea reclamation device.

Description

Enclosed sea-filling method and sea-filling device

Technical Field

The invention belongs to the field of land reclamation by sea reclamation, and particularly relates to an enclosed sea reclamation method and a sea reclamation device.

Background

For islands and coastal cities, increasing shortage of land resources has become an important factor affecting economic development. Especially for island cities, the lack of economic open land is a major factor affecting city development. Sea reclamation is the most effective method for solving the land shortage in islands and coastal cities. The traditional sea reclamation method comprises the following steps:

1. and (4) sand blowing and sea filling, namely, sand blowing and land reclamation by a sand dredger. The advantages of sand blowing and sea filling are: high speed, high efficiency and low cost. The disadvantages are that: the materials are locally available, most of the materials are silt, and the sea filling materials are limited and are not suitable for the divergent deep sea filling. And causes a large scale of seawater pollution, so a sludge barrier (silt curl) is additionally used to surround the sea filling range, which not only increases the cost, but also hinders the channel.

2. Earth is dumped into the sea by transporting earth remotely from the continent and directly into the sea. The advantages of soil transportation, dumping and sea filling are as follows: the soil for sea reclamation is good in quality and convenient for greening. The disadvantages are that: dumping sea filling is costly and also causes a large area of sea water pollution when dumping, and therefore additional silt barriers (silt curl) are used to surround the sea filling area.

3. The sand is clamped and the sea is filled, namely a flat opening clamp or a six-claw clamp on the pontoon is used for transporting, the sea filling material on the pontoon is clamped into the sea and descends to a position 2 meters above the seabed, and the sea filling material in the clamp is released into the sea to fill the sea. The sand-filled sea-filling method has the advantages that: convenience and less limitation of sea filling materials. The disadvantages are that: the speed is slow, the efficiency is low, the cost is high, and because the large-scale seawater pollution is caused, a silt barrier (silt curl) is additionally utilized to surround the sea filling range, the cost is increased, and the channel is also blocked. The sand-filled sea reclamation is easy to disperse, so that the sea reclamation material is lost, and the requirement of limiting the height of each layer cannot be met.

In addition to the above disadvantages, the above three methods for reclamation of land from sea inevitably cause environmental and marine pollution in the reclamation area, and seriously affect the marine ecological environment. Moreover, the complicated process also greatly increases the cost and the time required for sea reclamation.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a sea reclamation method and a sea reclamation apparatus, comprising: the special-purpose plane ship comprises a special-purpose plane ship, an outer discharging chute fixedly connected with the special-purpose plane ship and an inner discharging chute arranged in the outer discharging chute;

wherein the special-purpose plane ship and the inner and outer discharge chutes are fixed through a suspension device, and a water pump is arranged on the special-purpose plane ship and is used for evenly scattering the sea-filling materials in the inner discharge chute; the special-purpose plane ship is provided with a suspension device, and the inner unloading groove is lifted and lowered by the suspension device fixed on the special-purpose plane ship.

In the sea filling device provided by the invention, a screen is arranged in the inner discharging groove.

In the sea reclamation apparatus provided by the present invention, the outer discharge chute and the inner discharge chute both play a role of a sludge barrier (silt curl).

In the sea filling device provided by the invention, the mesh diameter of the screen is 100mm to 200mm, and the mesh pitch is 200mm to 400 mm.

In the sea reclamation apparatus provided by the invention, the special-purpose plane ship is provided with a water pump, and the water pump is configured to spray water into the inner unloading groove.

In the sea filling device provided by the invention, the depth of the inner discharging groove can be adjusted.

In order to solve the technical problems, the invention also provides a sea reclamation method, which comprises the following steps:

s1, driving the special-purpose plane ship with the inner and outer discharge chutes to a landfill;

s2, testing the depth of the seawater at the landfill;

s3, lowering the inner unloading groove to a position close to the upper part of the seabed by using a suspension device according to the depth of the seawater;

s4, conveying the sea-filling material to an inner unloading groove through a sand carrier provided with a conveying belt and a conveying pipe;

and S5, spraying water into the inner discharging groove through a water pump, and uniformly paving the landfill material on the seabed.

Preferably, the suspension means lowers the inner discharge chute to any position above the seabed.

Further, the inner discharge chute comprises a screen onto which the sand carrier landfill material is transported.

Further, the inner discharge chute can be used for leveling the level of the height required for sea filling.

The beneficial technical effects of the invention are as follows: through setting up the interior silo that unloads that can reciprocate to drop to being close to seabed top with interior silo, and outer silo and interior silo still play the role of silt barrier (silt curl), compare the direct of traditional approach and empty, greatly reduced the pollution to the ocean when burying. Simultaneously, through set up the screen cloth in interior blowpit, compare directly empting, can lay the landfill material on the seabed more evenly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic view of a sea reclamation apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of the sea reclamation apparatus shown in FIG. 1;

FIG. 3 is a left side view of the sea reclamation apparatus shown in FIG. 1;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, the present invention provides a sea-filling apparatus comprising a special-purpose vessel 101, an outer discharge chute 102 fixedly connected to the special-purpose vessel 101, and an inner discharge chute 103 installed in the outer discharge chute 102.

The inner discharging groove 103 can move up and down. In one embodiment of the invention, the inner discharge chute 103 may be lowered to a position 2m above the seabed. By lowering the inner discharge chute 103 to within 2m above the seabed, the range of environmental pollution and marine pollution caused by dumping sea-filling materials can be greatly reduced. The inner chute 103 is operated to ascend and descend by means of a suspension 105 fixed to the special-purpose vessel 101. The inner discharging chute 103 and the outer discharging chute 102 are of a chute-shaped structure with an upper opening and a lower opening. A screen 106 is disposed within the inner chute 103, and in one embodiment of the invention, the screen 106 is disposed approximately 2 meters below the top of the inner chute 103. In one embodiment of the present invention, the mesh pitch of the screen 106 is 200mm and the mesh diameter is 100mm, and in another embodiment of the present invention, the mesh pitch of the screen 106 is 400mm and the mesh diameter is 200 mm.

The surface vessel 101 further comprises a booster pump (not shown) which can spray seawater into the inner chute 103. By providing the screen 106 and the pressurised water pump, the landfill material in the inner chute 103 can be more evenly passed through the screen 106 and distributed over the seabed under the influence of the water pressure.

The invention also provides a sea filling method, which comprises the following steps:

and S1, driving the special-purpose plane ship with the inner and outer discharge chutes to a landfill.

And S2, testing the depth of the seawater at the landfill.

And S3, lowering the inner chute to an upper position near the seabed by the suspension means. The suspension may lower the inner chute to any position above the seabed. In one embodiment of the invention, the inner discharge chute may be lowered to a position 2m above the seabed.

And S4, conveying the landfill materials loaded in the sand carrier to an inner unloading groove through a conveying belt of the sand carrier. In one embodiment of the invention, the inner discharge chute comprises a screen and the sea-filling material loaded in the sand carrier is transported onto the screen.

And S5, spraying water into the inner discharging groove through a water pump, and uniformly paving the sea-filling material on the seabed.

The beneficial technical effects of the invention are as follows: through setting up the interior silo that unloads that can reciprocate to drop to being close to seabed top with interior silo, directly toppling over that compares traditional method, to the pollution of ocean and nearby environment when having greatly reduced the landfill. Simultaneously, through set up the screen cloth on the blowpit, compare directly empting, can lay the landfill material on the seabed more evenly, the effect is showing and is annotated.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should consider the present description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A sea reclamation apparatus comprising: the special-purpose plane ship comprises a special-purpose plane ship, an outer discharging chute fixedly connected with the special-purpose plane ship and an inner discharging chute arranged in the outer discharging chute;

wherein the content of the first and second substances,

a screen is arranged in the inner discharging groove; the screen is arranged at a position 2m below the top of the inner discharging groove, the diameter of a mesh of the screen is 100mm to 200mm, and the mesh pitch is 200mm to 400 mm;

the special-purpose plane ship and the outer discharge chute are fixed through a suspension device, a water pump is arranged on the special-purpose plane ship and is configured to spray water into the inner discharge chute, and the water pump evenly disperses the sea-filling materials in the inner discharge chute;

the special-purpose plane ship is provided with a suspension device, and the inner unloading groove is lifted and lowered by the suspension device fixed on the special-purpose plane ship.

2. The sea reclamation apparatus of claim 1, wherein the depth of said inner discharge chute is adjustable.

3. A method of sea reclamation by the sea reclamation apparatus of claim 1 or 2, comprising:

s1, loading an inner discharge chute and an outer discharge chute on the special-purpose plane ship, and driving the special-purpose plane ship to a sea filling position; wherein the inner discharging groove comprises a screen; the screen is arranged at a position 2m below the top of the inner discharging groove, the diameter of a mesh of the screen is 100mm to 200mm, and the mesh pitch is 200mm to 400 mm;

s2, testing the sea depth of the sea filling position;

s4, transporting the landfill material to the inner discharge chute of the special-purpose flat ship by a sand carrier provided with a conveyor belt and a transport pipe;

4. The method of claim 3, wherein in step S3, the suspension device lowers the inner discharge chute to any selected position above the seabed.

5. A method as claimed in claim 3, wherein in step S4, the landfill material loaded on the sand carrier equipped with the conveyor belt and the conveying pipe is conveyed to the screen.

6. The method of claim 3, wherein the inner discharge chute is used for flat filling the top of the landfill material piled on the seabed level, so that the top of the landfill material forms a horizontal plane and the piled height of the landfill material reaches the required height for sea filling.