Marine underwater assembled water intake and construction method thereof

Abstract

The invention relates to the technical field of water taking devices or methods, and particularly discloses an ocean underwater split mounting type water taking opening and a construction method thereof.The water taking opening comprises at least two first box culverts, each first box culvert is provided with a first water inlet and a first water outlet, and the width of the first water inlet is larger than that of the first water outlet; the tops of the first box culverts extend upwards to form first stand columns and second stand columns, the first stand columns of every two adjacent first box culverts are attached to form a first combination body, and the peripheral walls of the first combination bodies are fixed through first hoop rings. The second box culvert is provided with a second water inlet and a second water outlet, the second water inlet is communicated with the first water outlet of each first box culvert, the top of the second box culvert extends upwards to form at least two third stand columns, the third stand columns and the second stand columns are attached in a one-to-one correspondence mode to form a second combination body, and the peripheral wall of the second combination body is fixed through a second hoop ring. According to the ocean underwater assembled water intake and the construction method thereof, it is guaranteed that construction is convenient, and the water intake efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water intake devices or methods, and in particular to an underwater assembled water intake and a construction method thereof. Background Art

[0002] In coastal thermal or nuclear power projects, the circulating water system generally utilizes a direct current (DC) water supply system, drawing water from the sea, circulating it through the power plant's cooling and heating cycles, and then discharging it back into the sea. For large-scale projects, due to the large water intake volume, the water intake project is often larger, requiring a correspondingly larger investment. The design of the water intake structure must consider natural conditions such as topography, geology, sedimentation, and waves. Current modular water intakes require underwater reinforced concrete connections between box culverts, which makes construction inconvenient and leaves room for further improvement in water intake efficiency. Summary of the Invention

[0003] The purpose of the present invention is to provide an underwater assembled water intake and a construction method thereof, which ensures convenient construction and improves water intake efficiency.

[0004] In order to achieve the above objectives, the present invention provides a first aspect of an underwater assembled water intake, comprising:

[0005] At least two first box culverts, each of the first box culverts having a first water inlet and a first water outlet, wherein the width of the first water inlet is greater than the width of the first water outlet, the top of the first box culvert extending upward to form a first column and a second column, the first columns of two adjacent first box culverts being fitted together to form a first assembly, and the outer peripheral wall of the first assembly being fixed by a first hoop; and

[0006] The second box culvert has a second water inlet and a second water outlet, and the width of the second water inlet is greater than the width of the second water outlet. The second water inlet is connected to the first water outlet of each of the first box culverts. The top of the second box culvert extends upward to form at least two third columns. The third columns and the second columns correspond one-to-one to form a second assembly. The outer peripheral wall of the second assembly is fixed by a second hoop.

[0007] In some embodiments, positioning blocks are provided on both sides of the second box culvert, and the two positioning blocks are correspondingly attached to the side walls of the first box culvert on both sides.

[0008] In some embodiments, the top of the first box culvert extends upward to form a fourth column, the top of the second box culvert extends upward to form a fifth column, the fifth column and the fourth column of each first box culvert are fitted together to form a third assembly, and the outer peripheral wall of the third assembly is fixed by a third hoop.

[0009] In some embodiments, the first assembly, the second assembly and the third assembly are all cuboid-shaped, and all have angle steels at the corners; and the first hoop, the second hoop and the third hoop are all rectangular hoops.

[0010] In some embodiments, the height of the first assembly, the second assembly and the third assembly is 1500-2000mm.

[0011] In some embodiments, a diversion box culvert is connected to the second box culvert away from the first box culvert.

[0012] In some embodiments, the second box culvert comprises a water inlet section and a water outlet section, the flow passage height of the water inlet section is equal to the flow passage height of the first box culvert, and the flow passage height of the water outlet section is less than the flow passage height of the water inlet section.

[0013] In some embodiments, a trash rack is installed in the first water inlet.

[0014] In some embodiments, a partition is arranged in the first box culvert, and the partition is integrally cast with the first box culvert.

[0015] The second aspect of the present application provides a construction method of a marine underwater assembly type water intake, comprising:

[0016] At least two first box culverts and a second box culvert are prefabricated;

[0017] The seabed foundation is excavated and the stone bed is laid thereon;

[0018] The second box culvert is floated and hoisted onto the stone bed, and the first box culvert is floated and hoisted onto the stone bed according to the position of the second box culvert;

[0019] The stone is backfilled on both sides of the first box culvert and the second box culvert;

[0020] The first hoop is installed on the outer peripheral wall of the first assembly formed by the abutment of two adjacent first box culverts, and the second hoop is installed on the outer peripheral wall of the second assembly formed by the abutment of the second box culvert and the first box culvert.

[0021] The present application provides a marine underwater assembly type water intake and a construction method thereof, which has the beneficial effects compared with the prior art in that:

[0022] The first box culvert has a first water inlet and a first water outlet, with the first water inlet being wider than the first water outlet. The top of the first box culvert extends upward to form first and second columns. Adjacent first columns of the first box culvert fit together to form a first assembly, and the outer wall of the first assembly is secured by a first hoop. The second box culvert has a second water inlet and a second water outlet, with the second water inlet being wider than the second water outlet. The second water inlet communicates with the first water outlets of each of the first box culverts. The top of the second box culvert extends upward to form at least two third columns, which fit together in a one-to-one correspondence with the second columns to form a second assembly, and the outer wall of the second assembly is secured by a second hoop. Thus, the installation of the first and second hoop rings ensures a stable and convenient installation structure for the first and second box culverts. The width of the first water inlet is greater than the width of the first water outlet, and the width of the second water inlet is greater than the width of the second water outlet. This allows seawater to gather as it flows from the first box culvert to the second box culvert, thereby improving water intake efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic plan view of the structure of an underwater assembled water intake in the ocean provided in some embodiments of the present invention.

[0024] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure along direction A.

[0025] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure along the B direction.

[0026] Figure 4 for Figure 1 Schematic diagram of the cross-sectional structure along the C direction.

[0027] Figure 5 Schematic diagram of the planar explosion structure of the first box culvert and the second box culvert of an underwater assembled water intake in the ocean provided in some embodiments of the present invention.

[0028] In the figure: 1. First box culvert; 11. First water inlet; 12. First water outlet; 13. First column; 14. Second column; 15. Fourth column; 16. Partition; 2. Second box culvert; 2a. Water inlet section; 2b. Water outlet section; 21. Second water inlet; 22. Second water outlet; 23. Third column; 24. Positioning block; 25. Fifth column; 3. First assembly; 31. First hoop; 4. Second assembly; 41. Second hoop; 5. Third assembly; 51. Third hoop; 6. Water diversion box culvert; 7. Trash rack. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0030] It should be understood that in the description of this application, the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, that is, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In addition, unless otherwise specified, "multiple" means two or more.

[0031] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0032] like Figures 1-5 As shown, some embodiments of the present invention include an underwater assembled water intake, comprising at least two first box culverts 1 and a second box culvert 2 , wherein seawater flows from the first box culvert 1 to the second box culvert 2 .

[0033] The first box culvert 1 has a first water inlet 11 and a first water outlet 12, and the width of the first water inlet 11 is greater than the width of the first water outlet 12. The top of the first box culvert 1 extends upward to form a first column 13 and a second column 14. The first columns 13 of two adjacent first box culverts 1 are fitted together to form a first assembly 3, and the outer peripheral wall of the first assembly 3 is fixed by a first hoop 31.

[0034] The second box culvert 2 has a second water inlet 21 and a second water outlet 22, and the width of the second water inlet 21 is greater than the width of the second water outlet 22. The second water inlet 21 is connected to the first water outlet 12 of each first box culvert 1. The top of the second box culvert 2 extends upward to form at least two third columns 23. The third columns 23 correspond to the second columns 14 in a one-to-one manner to form a second assembly 4. The outer peripheral wall of the second assembly 4 is fixed by a second hoop 41.

[0035] The first box culvert 1 , the first column 13 and the second column 14 adopt an integrated reinforced concrete structure; the second box culvert 2 and the third column 23 adopt an integrated reinforced concrete structure.

[0036] Based on the above structure, the installation structure between adjacent first box culverts 1 and between the first box culvert 1 and the second box culvert 2 is stable through the installation of the first hoop 31 and the second hoop 41, and the construction is convenient. The width of the first water inlet 11 is greater than the width of the first water outlet 12, and the width of the second water inlet 21 is greater than the width of the second water outlet 22. The flow direction of seawater from the first box culvert 1 to the second box culvert 2 is the first water inlet 11→the second water outlet 12→the second water inlet 21→the second water outlet 22, which has a flow convergence effect, so that seawater can be gathered, thereby improving the water intake efficiency.

[0037] As shown in Figure 1 some embodiments, the second box culvert 2 is provided with positioning blocks 24 on both sides, and the two positioning blocks 24 are respectively attached to the side walls of the first box culvert 1 on both sides. In this way, by setting the positioning blocks 24, the second box culvert 2 provided with the positioning blocks 24 is first constructed and installed, and then the first box culvert 1 is installed, so that the construction is convenient and the installation precision between the first box culvert 1 and the second box culvert 2 is improved.

[0038] As shown in Figure 1 and Figure 5 some embodiments, the top of the first box culvert 1 extends upward to form a fourth vertical column 15, the top of the second box culvert 2 extends upward to form a fifth vertical column 25, the fifth vertical column 25 is attached to the fourth vertical column 15 of each first box culvert 1 to form a third combination 5, and the outer peripheral wall of the third combination 5 is fixed by a third hoop 51. In this way, the installation stability of each first box culvert 1 and between the first box culvert 1 and the second box culvert 2 can be further improved.

[0039] In some embodiments, the first combination 3, the second combination 4 and the third combination 5 are all cuboids, and each corner is provided with an angle steel. The first hoop 31, the second hoop 41 and the third hoop 51 are all rectangular hoops. In this way, the installation of the first hoop 31, the second hoop 41 and the third hoop 51 is convenient.

[0040] In some embodiments, the height of the first combination 3, the second combination 4 and the third combination 5 is 1500-2000mm.

[0041] As shown in Figure 1 some embodiments, a water diversion box culvert 6 is connected to the end of the second box culvert 2 away from the first box culvert 1. In this way, seawater is guided to the water use plant area through the water diversion box culvert 6.

[0042] As shown in Figure 4As shown, in some embodiments, the second box culvert 2 includes an inlet section 2a and an outlet section 2b. The flow channel height of the inlet section 2a is equal to that of the first box culvert 1, while the flow channel height of the outlet section 2b is lower than that of the inlet section 2a. This can further enhance the convergence effect, allowing seawater to converge, thereby further improving water intake efficiency.

[0043] like Figure 1 As shown, in some embodiments, a trash rack 7 is installed in the first water inlet 11. In this way, the trash rack 7 can effectively isolate impurities and keep the seawater in the first culvert 1 and the second culvert 2 flowing smoothly.

[0044] like Figure 2 As shown, in some embodiments, a partition 16 is provided in the first box culvert 1, and the partition 16 is integrally cast with the first box culvert 1. In this way, the internal structural strength of the first box culvert 1 can be improved.

[0045] The construction method of an underwater assembled water intake according to some embodiments of the present invention includes:

[0046] S1. Prefabricate at least two first box culverts and a second box culvert;

[0047] S2. Excavate the seabed foundation and lay a block stone bed on top of it;

[0048] S3, floating and hoisting the second box culvert onto the stone foundation bed, and floating and hoisting the first box culvert onto the stone foundation bed according to the position of the second box culvert;

[0049] S4. Backfilling rocks on both sides of the first and second box culverts;

[0050] S5. Install a first hoop on the outer peripheral wall of a first assembly formed by bonding two adjacent first box culverts, and install a second hoop on the outer peripheral wall of a second assembly formed by bonding the second box culvert and the first box culvert.

[0051] Based on the above construction method, the first and second box culverts are connected into a monolithic structure, thus meeting the stability requirements of the water intake. This is suitable for situations with good foundation conditions, large waves in the water, high requirements for structural stability, and shallow waterways where monolithic structures are difficult to use.

[0052] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. An underwater assembled water intake, characterized in that: include: At least two first box culverts, each of the first box culverts having a first water inlet and a first water outlet, wherein the width of the first water inlet is greater than the width of the first water outlet, the top of the first box culvert extending upward to form a first column and a second column, the first columns of two adjacent first box culverts being fitted together to form a first assembly, and the outer peripheral wall of the first assembly being fixed by a first hoop; as well as The second box culvert has a second water inlet and a second water outlet, and the width of the second water inlet is greater than the width of the second water outlet. The second water inlet is connected to the first water outlet of each of the first box culverts. The top of the second box culvert extends upward to form at least two third columns. The third columns and the second columns correspond one-to-one to form a second assembly. The outer peripheral wall of the second assembly is fixed by a second hoop.

2. The underwater assembled water intake according to claim 1, characterized in that: Positioning blocks are provided on both sides of the second box culvert, and the two positioning blocks are correspondingly attached to the side walls of the first box culvert on both sides.

3. The underwater assembled water intake according to claim 1, characterized in that: The top of the first box culvert extends upward to form a fourth column, and the top of the second box culvert extends upward to form a fifth column. The fifth column and the fourth column of each first box culvert are fitted together to form a third assembly. The outer peripheral wall of the third assembly is fixed by a third hoop.

4. The underwater assembled water intake according to claim 3, characterized in that: The first assembly, the second assembly and the third assembly are all in the shape of a cuboid, and angle steels are provided at the four corners. The first hoop, the second hoop and the third hoop are all rectangular hoop.

5. The underwater assembled water intake according to claim 3, characterized in that: The heights of the first assembly, the second assembly and the third assembly are all 1500-2000 mm.

6. The underwater assembled water intake according to claim 1, characterized in that: It includes a water diversion box culvert connected to the end of the second box culvert away from the first box culvert.

7. The underwater assembled water intake according to claim 1, characterized in that: The second box culvert includes an inlet section and an outlet section. The flow channel height of the inlet section is equal to that of the first box culvert, and the flow channel height of the outlet section is smaller than that of the inlet section.

8. The underwater assembled water intake according to claim 1, characterized in that: A trash rack is installed in the first water inlet.

9. The underwater assembled water intake according to claim 1, characterized in that: A partition is provided in the first box culvert, and the partition is integrally cast with the first box culvert.

10. A construction method for an underwater assembled water intake according to any one of claims 1 to 9, characterized in that: include: Prefabricate at least two first box culverts and a second box culvert; Excavating the seabed foundation and laying a block stone base on top; The second box culvert is floated and hoisted on the stone foundation bed, and the first box culvert is floated and hoisted on the stone foundation bed according to the position of the second box culvert; Backfill boulders on both sides of the first and second box culverts; A first hoop is installed on the outer peripheral wall of a first assembly formed by affixing two adjacent first box culverts, and a second hoop is installed on the outer peripheral wall of a second assembly formed by affixing the second box culvert and the first box culvert.

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