A ship lock water delivery system and design method

Abstract

The present invention relates to the technical field of water delivery ship locks, and in particular to a ship lock water delivery system and a design method. A ship lock water delivery system of the present invention arranges a water filling gallery and a water discharge gallery on one side of a lock chamber to form a water delivery structure in which a long gallery of a lock wall is vertically diverted to a middle branch gallery of a lock bottom through a central inlet of the lock chamber, and fully utilizes the bottom area of ​​the lock chamber to arrange other connecting galleries, so that the overall structure of the water delivery system is compact and occupies a small area. At the same time, by uniformly dispersing and conveying the water flow at a first diversion port in the middle of the lock chamber, combined with the symmetrical distribution of multiple second diversion ports in the lock chamber, a dispersed water delivery structure with uniform water discharge in multiple sections is formed in the lock chamber, and uniform distribution of water bodies is achieved to form a complex dispersed water delivery system with hydraulic balance, which is beneficial to improving water delivery efficiency, reducing water delivery time, and meeting the requirements of a water delivery system for large-scale, high-head operation of ship locks. In addition, by setting a water-saving tank, the water consumption during the use of the ship lock is reduced, achieving a water-saving operation effect.

Description

Technical Field

[0001] The present invention relates to the technical field of water delivery ship locks, and in particular to a ship lock water delivery system and a design method. Background Art

[0002] The lock water supply system is an important part of the lock. It is used to complete the filling and draining operations of the lock chamber, thereby adjusting the water level in the lock chamber so that ships can pass smoothly between upstream and downstream, and ensure that ships pass through the lock smoothly and safely, thereby improving shipping efficiency and reducing logistics costs.

[0003] The larger the scale of the ship lock, the higher the operating head, and the shorter the water transfer time requirement, the higher the requirements for the ship lock water transfer system will be, and the greater the demand for water resources will be. In order to ensure the designed water transfer time, the existing large-scale, high-head operating ship locks have a larger design of corresponding ship lock water transfer system, which occupies a wider area, has a larger excavation volume, and consumes more water. There are shortcomings such as high construction cost and waste of water resources. Under the condition of ensuring the designed water transfer time, how to minimize the area occupied by the ship lock layout and achieve better water transfer operation effect has become a technical problem that needs to be solved urgently. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the existing large-scale, high-head operating ship locks in the prior art, such as the large footprint of the water delivery system, high construction cost and the need to further improve the water delivery operation effect, and to provide a ship lock water delivery system and design method.

[0005] In a first aspect, the present invention provides a ship lock water delivery system, comprising: The middle branch gallery is arranged at the bottom of the lock chamber along the longitudinal direction of the lock chamber, and is provided with a first diversion port and at least four second diversion ports, the first diversion port is arranged in the middle of the lock chamber, and the four second diversion ports are symmetrically distributed relative to the first diversion port in the longitudinal direction of the lock chamber, each second diversion port is connected to at least two branch galleries, and the two branch galleries are symmetrically arranged relative to the second diversion port in the width direction of the lock chamber, and each branch gallery is provided with a plurality of water inlet and outlet holes communicating with the lock chamber at the top; The water inlet corridor is located at the bottom of the first approach channel of the upper lock and is arranged along the width of the navigation channel. A number of upstream water inlets are distributed on the upstream and downstream side walls of the water inlet corridor; The water filling gallery connects the water inlet gallery and the lock chamber, is arranged on one side of the lock chamber along the longitudinal direction of the lock chamber, is connected to the middle branch gallery through the first diversion port, and is provided with a water delivery valve; The outlet gallery is located at the bottom of the first approach channel of the lower lock and is arranged along the width of the channel. A number of downstream outlets are distributed at the top of the outlet gallery; The discharge gallery connects the lock chamber and the water outlet gallery, is arranged on the same side of the lock chamber water filling gallery along the lock chamber longitudinal direction, is connected to the middle branch gallery through the first diversion port, and is provided with a water delivery valve; The connecting corridor connects the lock chamber and the water-saving tank, is arranged along the center line of the first diversion port in the width direction of the lock chamber, and is located in the middle of the water-saving tank. The water-saving tank is arranged on the other side of the lock chamber away from the sufficient corridor.

[0006] A ship lock water delivery system of the present invention arranges a water filling gallery and a water discharge gallery on the same side of a lock chamber, and sets a first diversion port in the middle of the lock chamber, and sets a middle branch gallery in the longitudinal direction of the lock chamber, so as to form a water delivery structure in which a long gallery of the lock wall vertically diverts the middle branch gallery of the lock bottom through the central inlet of the lock chamber, and makes full use of the bottom area of ​​the lock chamber for arranging the other connecting galleries, so that the overall structure of the water delivery system is compact, the footprint is small, and it is beneficial to control the construction cost. At the same time, the water flow is evenly dispersed and conveyed by the first diversion port and a plurality of second diversion ports in the middle of the lock chamber, and the symmetrical distribution of the plurality of second diversion ports in the lock chamber forms a dispersed water delivery structure with uniform water discharge in multiple sections in the lock chamber, so that the water body is evenly distributed, and a complex dispersed water delivery system with hydraulic balance is formed, which is beneficial to improve the water delivery efficiency, reduce the water delivery time, and meet the water delivery system requirements of large-scale and high-head operation ship locks. In addition, by setting a water-saving pool, water resources can be reused, the water consumption during the use of the ship lock is reduced, and a better water-saving operation effect is achieved.

[0007] Preferably, the branch corridor is parallel to the middle branch corridor, the branch corridor merges with the middle branch corridor after turning 180 degrees on the side away from the first diversion port, the inlet and outlet holes are arranged on the side of the branch corridor close to the lock chamber, a plurality of inlet and outlet holes are arranged, and an energy dissipation cover plate is provided between the branch corridor and the lock chamber, so as to make the water flow evenly distributed, improve the water delivery efficiency, and reduce the fluctuation of the water flow in and out of the lock chamber.

[0008] Preferably, the water-saving pool includes a primary pool, a secondary pool and a tertiary pool, the primary pool is arranged above the tertiary pool, the secondary pool is arranged side by side on the side of the tertiary pool away from the lock chamber, and the primary pool, the secondary pool and the tertiary pool are connected to the connecting corridor through the water inlet and outlet arranged at the bottom respectively. By stacking the primary pool and the tertiary pool, the area occupied by the water-saving pool is further reduced. At the same time, the setting of multiple levels of water-saving pools further improves the water-saving rate of the ship lock operation.

[0009] Preferably, all water-saving tanks have water inlets and outlets symmetrically arranged on both sides of the extension of the center line, and each water inlet and outlet is connected to the valve section corridor through a vertical corridor. The valve section corridors of the first-level tank and the third-level tank are arranged along the longitudinal direction of the lock chamber, and the valve section corridor of the second-level tank is arranged along the width direction of the lock chamber. All valve section corridors are provided with two-way water-blocking gates. Each water-saving tank has two symmetrically distributed water inlets and outlets, realizing synchronous water inflow and outflow of the upper and lower half tanks, improving water delivery efficiency, and the valve section corridors of the water-saving tank are reasonably distributed and arranged at the bottom of the water-saving tank, symmetrically, which can avoid large fluctuations caused by the inflow and outflow of water in the water-saving tank and affect the water delivery effect.

[0010] Preferably, the bottom elevation of all valve section galleries is consistent, the valve section galleries of the first-level pool and the third-level pool converge and connect on the plane, and converge and connect with the connecting gallery after horizontal turning; the valve section galleries of the second-level pool converge and connect on the plane and then connect with the connecting gallery. The valve section galleries are distributed and arranged on the same plane, which reduces the amount of excavation required for the construction of the ship lock water delivery system and reduces the construction cost.

[0011] Preferably, the water filling corridor includes a main water filling corridor and at least two water filling valve section branch corridors, the water filling valve section branch corridors are connected to the water inlet corridor, all the water filling valve section branch corridors converge and connect to the main water filling corridor after the miter gate at the upper gate, the water filling main corridor is connected to the first diversion port, each water filling valve section branch corridor is provided with at least one working valve and at least two maintenance valves, the water filling valve section branch corridor is provided with a gooseneck pipe section for lowering the elevation of the corridor bottom, and the cross-sectional widening setting of the water filling valve section branch corridor after the working valve is set. The matching of the working water head upstream and downstream of the ship lock is achieved through the gooseneck pipe section, and the dispersed transportation of water is achieved through the setting of multiple water filling valve section branch corridors, thereby improving the water conveyance efficiency and effect, and the cross-sectional widening of the water filling valve section branch corridor can meet the corridor filling flow.

[0012] Preferably, the drainage gallery includes a drainage main gallery and at least two drainage valve segment branch galleries, the drainage valve segment branch galleries are connected to the water outlet gallery, all drainage valve segment branch galleries converge in front of the herringbone gate at the lower gate and connect to the drainage main gallery, the drainage main gallery is connected to the first diversion port, each drainage valve segment branch gallery is provided with at least one working valve and at least two inspection valves, the drainage valve segment branch gallery bottom elevation is consistent with the lowest gallery bottom elevation of the water filling valve segment branch gallery, and the drainage valve segment branch gallery section after the working valve is widened. Through the provision of multiple drainage valve segment branch galleries, water bodies are dispersedly discharged, water delivery efficiency and water delivery effect are improved, and the drainage flow of the gallery is met by widening the cross-sectional surface of the drainage valve segment branch gallery.

[0013] Preferably, the cross-sectional area of ​​the gallery at the working valve satisfies: ; In the formula: ω is the cross-sectional area of ​​the corridor at the water delivery valve; C is the calculated water area of ​​the lock chamber; H is the design head, d is the inertial head; μ is the flow coefficient of the water delivery system when the valve is fully open; T is the water delivery time of the lock chamber (s); α is the coefficient; kv is 0.4~0.6; g is the acceleration of gravity.

[0014] Preferably, it includes at least two water inlet corridors, which are connected to the water filling valve branch corridors after horizontal turning; and at least four water outlet corridors, which are connected to the water discharge valve branch corridors after two-by-two confluence after horizontal turning. The arrangement of multiple water inlet corridors and water outlet corridors ensures the smooth water inflow and outflow of the water conveyance system upstream, further improves the water conveyance efficiency, and reduces the upstream and downstream water body fluctuations caused by water flow in and out of the water conveyance system, ensuring that ships can enter and exit the lock chamber smoothly.

[0015] Preferably, an energy dissipation chamber is provided in the bottom plate of the first navigation channel of the lower lock, the outlet corridor is connected to the energy dissipation chamber, the energy dissipation chamber is arranged across the navigation channel, the energy dissipation chamber is connected to the energy dissipation pool, and the energy dissipation pool is connected to the downstream channel through the slope surface. This further makes the outlet water flow stable and is not likely to cause excessive water surface fluctuations, ensuring the smooth and safe passage of ships.

[0016] Preferably, it includes two lock chambers, each lock chamber is provided with the water delivery system, the two water delivery systems are arranged symmetrically about the center line of the middle pier, and the water filling gallery and the water discharge gallery are arranged in the middle pier along the lock chamber longitudinally. The double-line ship lock can meet the smooth passage of ships in the up and down directions respectively, and has a smaller footprint than the existing double-line ship lock, higher water delivery efficiency, and better water saving effect.

[0017] In a second aspect, the present invention provides a method for designing a ship lock water delivery system, comprising a ship lock water delivery system as described above, and comprising: Step 1: Preliminarily determine the layout structure of the water delivery system; Step 2: Establish a physical model for simulation test; Step 3: Optimize the layout of the water delivery system based on the physical model test; Step 4: Conduct test verification to determine the layout of the water delivery system.

[0018] A design method for a ship lock water delivery system of the present invention optimizes the layout structure of the water delivery system by preliminarily determining the layout structure of the water delivery system in combination with physical model tests, so that the layout of the water delivery system can meet the use of large-scale, high-head operating ship locks.

[0019] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a ship lock water delivery system, which arranges a water filling gallery and a water discharge gallery on one side of the lock chamber to form a water delivery structure in which a long gallery of the lock wall vertically diverts water to a middle branch gallery of the lock bottom through the central inlet of the lock chamber, and fully utilizes the bottom area of ​​the lock chamber to arrange other connecting galleries, so that the overall structure of the water delivery system is compact and occupies a small area; 2. The present invention provides a ship lock water delivery system, which evenly disperses and delivers water flow at the first diversion port in the middle of the lock chamber, and combines the symmetrical distribution of multiple second diversion ports in the lock chamber to form a dispersed water delivery structure with multi-section uniform water discharge in the lock chamber, so as to achieve uniform distribution of water and form a complex dispersed water delivery system with hydraulic balance, which is conducive to improving water delivery efficiency, reducing water delivery time, and meeting the requirements of water delivery systems for large-scale, high-head operation ship locks; 3. The present invention provides a ship lock water delivery system, which, by setting a water-saving tank, enables the lock chamber and the water-saving tank to mutually fill and drain water resources, thereby reducing the water consumption during the use of the ship lock and achieving a water-saving operation effect; 4. A design method for a ship lock water delivery system of the present invention optimizes the layout structure of the water delivery system through a preliminary determination combined with physical model tests, so that the layout of the water delivery system can meet the use of large-scale, high-head operating ship locks. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 This is a schematic structural diagram of a ship lock water delivery system in Example 1; Figure 2 is a side view of the water inlet gallery in Example 1; Figure 3 for Figure 1 Schematic diagram of the structure of the AA section; Figure 4 for Figure 1 Schematic diagram of the structure of the middle BB section; Figure 5 This is a schematic diagram of the arrangement structure of the water-saving pool in Example 1; Figure 6 It is a structural schematic diagram of the water delivery system of the ship lock of the bidirectional lock chamber in Example 1; Markings in the figure: 1-middle branch corridor, 11-first diversion outlet, 12-second diversion outlet, 2-branch corridor, 21-inlet and outlet holes, 3-inlet corridor, 31-upstream inlet, 4-filling corridor, 41-main filling corridor, 42-filling valve section branch corridor, 43-gooseneck section, 5-outlet corridor, 51-downstream outlet, 6-discharge corridor, 61-main discharge corridor, 62-discharge valve section branch corridor, 7-connecting corridor, 8-working valve, 9-maintenance valve, 10-lock chamber, 101-upper lock first pilot channel, 102-lower lock first pilot channel, 103-energy dissipation chamber, 20-middle partition pier, 30-water saving pool, 301-first pool, 302-second pool, 303-third pool, 304-inlet and outlet, 305-valve section corridor. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with specific embodiments. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0022] Unless otherwise specified, in the description of the specific embodiments of the present invention, the terms indicating the orientation or position relationship such as "up", "down", "left", "right", "center", "inside", "outside", etc. are all expressions based on the orientation or position relationship shown in the drawings, or are the orientation or position relationship when the invented product / equipment / device is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the present invention or simplifying the description in the specific embodiments, so as to facilitate the technicians to quickly understand the scheme, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.

[0023] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the present invention.

[0024] In addition, the expressions “first”, “second”, “third”, etc., which appear in the terms, are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0025] In addition, in the description of the embodiments of the present invention, "several", "plurality" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.

[0026] In addition, in the description of the technical solution of the present invention, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0027] Example 1 like Figure 1-Figure 5 As shown, a ship lock water delivery system comprises a middle branch gallery 1, a water inlet gallery 3, a water filling gallery 4, a water outlet gallery 5, a water discharge gallery 6 and a connecting gallery 7. The middle branch gallery 1 is arranged at the bottom of the lock chamber 10 along the longitudinal direction of the lock chamber 10, and is provided with a first diversion port 11 and at least four second diversion ports 12. The first diversion port 11 is arranged in the middle of the lock chamber 10, and the four second diversion ports 12 are symmetrically distributed relative to the first diversion port 11 in the longitudinal direction of the lock chamber 10; each second diversion port 12 is connected to at least two branch galleries 2, and at least two branch galleries 2 are symmetrically arranged relative to the second diversion port 12 in the width direction of the lock chamber 10, and each branch gallery 2 is provided with a plurality of water inlet and outlet holes 21 connected to the lock chamber 10 at the top; the water inlet gallery 3 is located at the bottom of the first pilot channel 101 of the upper lock, arranged along the width of the ship lock channel, and upstream and downstream of the water inlet gallery 3. A plurality of upstream water inlets 31 are distributed on the side wall; the filling gallery 4 connects the water inlet gallery 3 and the lock chamber 10, and merges with the middle branch gallery 1 through the first diversion port 11, and is provided with a water transfer valve; the outlet gallery 5 is located on the bottom plate of the navigation channel of the first pilot channel 102 of the lower lock, and is arranged along the width of the lock navigation channel, and a plurality of downstream water outlets 51 are distributed on the top of the outlet gallery 5; the discharge gallery 6 connects the lock chamber 10 and the outlet gallery 5, and merges with the middle branch gallery 1 through the first diversion port 11, and is provided with a water transfer valve; the connecting gallery 7 is used to connect the lock chamber 10 and the water-saving tank 30, and the connecting gallery 7 is arranged along the center line extension line of the first diversion port 11 in the width direction of the lock chamber 10, and is located in the middle of the water-saving tank 30, the water filling gallery 4 and the discharge gallery 6 are arranged on one side of the lock chamber 10 along the same longitudinal extension line of the lock chamber 10, and the water-saving tank 30 is arranged on the other side of the lock chamber 10.

[0028] In one or several embodiments, the middle branch corridor 1 is used to disperse the water in and out of the ship lock chamber 10, and the first diversion port 11 in the middle of the middle branch corridor 1 is used to connect the middle branch corridor 1 with other corridors of the water transfer system.

[0029] In an optional implementation manner, the number of the second diversion outlets 12 on the middle branch corridor 1 can be an even number such as four, six, or eight, and the specific number is determined based on the water volume demand of the lock chamber 10 and the physical model test of the lock water delivery system.

[0030] In an optional embodiment, four second diversion openings 12 can be set on the middle branch corridor 1, and the upper and lower half lock chambers 10 are respectively provided with two second diversion openings 12. Each second diversion opening 12 can be connected to two branch corridors 2 respectively, forming a hydraulically balanced complex and decentralized water supply system with four sections and eight branch corridors 2 within the lock chamber 10, so that the water in and out of the lock chamber 10 is evenly dispersed, and the in and out is smooth and rapid, which is conducive to improving the water supply efficiency and effect.

[0031] In one or several embodiments, the branch corridor 2 is used to connect the middle branch corridor 1 and the lock chamber 10. Multiple branch corridors 2 are evenly distributed in the longitudinal direction of the lock chamber 10 and evenly spaced across the width of the lock chamber 10, so that the areas of the four sections formed within the lock chamber 10 are basically the same, so as to further disperse the water entering and leaving the lock chamber 10, making the water more evenly dispersed and entering and leaving the lock chamber 10 smoother.

[0032] In an optional embodiment, the branch gallery 2 and the middle branch gallery 1 can be arranged in parallel, and the branch gallery 2 merges with the middle branch gallery 1 after turning 180 degrees on the side away from the first diversion port 11, and the inlet and outlet holes 21 are arranged on the side of the branch gallery 2 close to the lock chamber 10, and a plurality of inlet and outlet holes 21 are arranged, and an energy dissipation cover plate is provided between the branch gallery 2 and the lock chamber 10. The water flow passing through the middle branch gallery 1 passes through the bend position of the branch gallery 2 and the middle branch gallery 1 and then enters the lock chamber 10 from the inlet and outlet holes 21, reducing the water flow speed and ensuring the smooth rise and fall of the water body in the lock chamber 10.

[0033] In an optional embodiment, the two branch corridors 2 can be respectively set at 1 / 4 and 3 / 4 of the width of the lock chamber 10, so that the branch corridors 2 are evenly distributed in the width direction of the lock chamber 10, ensuring smooth and uniform water transportation in the four-section water inlet and outlet structure.

[0034] In an optional embodiment, a plurality of water outlet holes are arranged on the top of each branch corridor 2 to connect to the lock chamber 10, and the water outlet holes can be evenly and symmetrically distributed relative to the axis of the branch corridor 2. This further improves the uniformity of water dispersion and transportation, and realizes the smooth rise and fall of the water level in the lock chamber 10.

[0035] In an optional implementation, the energy dissipation cover plate is a grid-type structural plate.

[0036] In one or several embodiments, the water inlet corridor 3 can be set at the bottom of the navigation channel in front of the ship lock, which is a transverse corridor structure across the navigation channel, used to connect the upstream channel of the ship lock with the water filling corridor 4. The water flow in the upstream channel of the ship lock can pass through the upstream water inlet 31 into the lock chamber 10 or the water filling corridor 4.

[0037] In an optional embodiment, the upstream water inlet 31 can be distributed on the upstream and downstream side walls of the water inlet corridor 3, so that the water inlet corridor 3 can be inlet on both sides to improve the water delivery efficiency. At the same time, the size of each upstream water inlet 31 can be adjusted according to the water flow state to achieve smooth passage of water.

[0038] In an optional embodiment, upstream water inlets 31 of various cross-sectional sizes are arranged in groups in the longitudinal direction of the water inlet corridor 3 to adapt to the unevenness of the water flow in the upstream navigation channel and improve the water inlet efficiency.

[0039] In one or more embodiments, the water filling gallery 4 is used to guide the water flow of the upstream navigation channel from the water inlet gallery 3 through the water filling gallery 4 into the lock chamber 10 when the water transfer valve is opened.

[0040] In an optional embodiment, the water filling corridor 4 may include a main water filling corridor 41 and at least two water filling valve section branch corridors 42, the water filling valve section branch corridors 42 are connected to the water inlet corridor 3, all the water filling valve section branch corridors 42 converge and connect to the main water filling corridor 41 behind the miter gate at the upper gate, and are connected to the first diversion port 11 by the water filling main corridor 41, each water filling valve section branch corridor 42 is provided with at least one working valve 8 and at least two maintenance valves 9, the water filling valve section branch corridor 42 is provided with a gooseneck pipe section 43 for lowering the elevation of the corridor bottom, so that the gooseneck pipe section 43 can achieve matching of the working water head upstream and downstream of the ship lock, and the water filling valve section branch corridor 42 after the working valve 8 is widened according to actual conditions.

[0041] In an optional implementation manner, the present embodiment adopts two water filling valve section branch galleries 42, the two water filling valve section branch galleries 42 are located on the same plane, and are respectively provided with a working valve 8 and two inspection valves 9, the two water filling valve section branch galleries 42 are respectively connected to the water inlet gallery 3, and the water filling valve section branch galleries 42 are arranged on one side of the lock chamber 10 along the longitudinal direction of the lock chamber 10, so that the two water inlet galleries 3 are horizontally turned and then connected to the water filling valve section branch galleries 42 respectively, so that the water flow of the upstream navigation channel enters the water inlet gallery 3 and then turns vertically, and then turns vertically. After entering the water filling valve branch corridor 42 and entering the gate chamber 10 after multiple vertical turns, the water flows through the arrangement of multiple water inlet corridors 3. After multiple vertical turns, the flow speed is unified and the water flow fluctuation is relatively consistent, ensuring smooth water inflow upstream of the water conveyance system, improving water conveyance efficiency, and reducing water flow fluctuation. At the same time, in order to meet the water conveyance flow of the corridor, at the appropriate position of the water filling valve branch corridor 42, the corridor cross-section is widened by expanding the slope upward at the top, so that the corridor can be expanded and adjusted at the same bottom elevation.

[0042] In an optional embodiment, the horizontal and vertical turning positions of the water flow such as between the water inlet corridor 3 and the water filling valve section branch corridor 42, between the water filling main corridor 41 and the first diversion port 11, between the first diversion port 11 and the middle branch corridor 1, and between the second diversion port 12 and the branch corridor 2 are all set as arc-shaped return structures to ensure smooth turning and transportation of the water flow and reduce the impact of the water flow on the water delivery corridor.

[0043] In one or more embodiments, an energy dissipation chamber 103 is provided in the bottom plate of the navigation channel of the first approach channel 102 of the lower lock, the outlet corridor 5 is connected to the energy dissipation chamber 103, the energy dissipation chamber 103 is arranged across the navigation channel, the energy dissipation chamber 103 is connected to the energy dissipation pool, and the energy dissipation pool is connected to the downstream channel through the slope. The energy dissipation chamber 103 is used to further dissipate energy and waves of the output water flow of the water delivery system, so that the output water flow is more stable, and it is not easy to cause excessive water surface fluctuations in the downstream channel, so as to ensure the smooth and safe passage of ships.

[0044] In an optional embodiment, the water outlet corridor 5 can adopt a top water outlet form, and a grid-type energy dissipation cover plate is set on the top of the water outlet corridor 5 to allow water to flow smoothly into the energy dissipation chamber 103 and then be output from the energy dissipation pool, so that the water flow in the lock is stable and not prone to fluctuations, thereby ensuring stable operation of the ship.

[0045] In one or several embodiments, the discharge gallery 6 is used to guide the water flow in the lock chamber 10 through the outlet gallery 5 to the downstream waterway when the water transfer valve is opened. The outlet gallery 5 connects the discharge gallery 6 with the downstream waterway of the ship lock. The water flow in the lock chamber 10 can enter the outlet gallery 5 through the discharge gallery 6 and then be transported to the downstream waterway from the downstream outlet 51.

[0046] In an optional embodiment, the discharge corridor 6 may include a discharge main corridor 61 and at least two discharge valve branch corridors 62, the discharge valve branch corridors 62 are connected to the outlet corridor 5, all the discharge valve branch corridors 62 converge in front of the herringbone gate at the lower gate and connect to the discharge main corridor 61, the discharge main corridor 61 is connected to the first diversion port 11, each discharge valve branch corridor 62 is provided with at least one working valve 8 and at least two maintenance valves 9, the elevation of the bottom of the discharge valve branch corridor 62 is consistent with the lowest elevation of the bottom of the filling valve branch corridor 42, and the discharge valve branch corridor 62 is widened upward with a certain slope ratio in accordance with the filling valve branch corridor 42 according to actual conditions.

[0047] In an optional embodiment, the water delivery system may include at least four water outlet corridors 5 .

[0048] In an optional embodiment, the water delivery system includes four water outlet corridors 5, which are arranged in parallel and connected to the drain valve branch corridor 62 after two-by-two horizontal turns. The arrangement of multiple water outlet corridors 5 ensures smooth water outflow downstream of the water delivery system, improves water delivery efficiency, and reduces water flow fluctuations.

[0049] In one or several embodiments, the connecting corridor 7 is used to connect the lock chamber 10 and the water-saving tank 30, so that the water flow in the lock chamber 10 can enter the water-saving tank 30 through the connecting corridor 7, and the water flow in the water-saving tank 30 can enter the lock chamber 10 through the connecting corridor 7, thereby realizing water-saving operation of the ship lock.

[0050] In one or several embodiments, it includes a primary pool 301, a secondary pool 302 and a tertiary pool 303, and the primary pool 301, the secondary pool 302 and the tertiary pool 303 are respectively connected to the pipeline of the connecting corridor 7 through the water inlet and outlet 304 set at the bottom thereof.

[0051] In an optional embodiment, the first-level pool 301 can be stacked above the third-level pool 303, and the second-level pool 302 can be arranged side by side on the side of the third-level pool 303 away from the lock chamber 10, so that the multi-stage water-saving pool 30 is distributed on a single side of the lock chamber 10 and occupies a smaller area, thereby improving the integration of the lock structure and further improving the water-saving rate of the lock operation through the arrangement of the multi-stage water-saving pool 30.

[0052] In one or several embodiments, the water-saving tank 30 is a long strip of water tank structure arranged along the length direction of the lock chamber 10. Two water inlets and outlets 304 are respectively provided at the bottom of each water-saving tank 30, and are symmetrically distributed in the upper and lower half of the water-saving tank 30. Each water inlet and outlet 304 is connected to a valve section corridor 305 through a vertical corridor. The valve section corridors 305 of the first-level tank 301 and the third-level tank 303 are respectively arranged longitudinally along the lock chamber 10, and the valve section corridors 305 of the second-level tank 302 are arranged along the width direction of the lock chamber 10. All valve section corridors 305 are provided with bidirectional water-blocking gates.

[0053] In an optional embodiment, all valve section corridors 305 are provided with two-way flat doors for water blocking.

[0054] In an optional embodiment, the bottom elevations of all valve section corridors 305 are consistent, and the valve section corridors 305 of the first-level pool 301 and the third-level pool 303 are symmetrically arranged on both sides of the center line of the upper and lower half pools of the water-saving pool 30. The valve section corridors 305 of the first-level pool 301 and the third-level pool 303 converge on the plane, one end turns horizontally and converges with the connecting corridor 7, and the other end turns from horizontal to vertical to connect to the inlet and outlet 304; the valve section corridor 305 of the second-level pool 302 is arranged along the center line of the upper and lower half pools of the water-saving pool 30, one end of the valve section corridor 305 of the second-level pool 302 converges on the plane and connects with the connecting corridor 7, and the other end turns from horizontal to vertical to connect to the inlet and outlet 304.

[0055] In one or several embodiments, the filling gallery 4 and the discharge gallery 6 are located on the same side of the lock chamber 10 and can be located on the same longitudinal extension line. The filling gallery 4 and the discharge gallery 6 are symmetrically arranged relative to the center line along the width of the lock chamber 10, and preferably, the filling gallery 4 and the discharge gallery 6 are connected to the first diversion port 11 after vertically turning and converging in the middle of the lock chamber 10, and the water-saving tank 30 is arranged on the other side of the lock chamber 10.

[0056] In an optional implementation manner, the cross-sectional area of ​​the gallery at the working valve 8 satisfies: ; Where: ω is the cross-sectional area of ​​the corridor at the water delivery valve; C is the calculated water area of ​​the lock chamber; H is the design water head, d is the inertial water head; μ is the flow coefficient of the water delivery system when the valve is fully open; T is the water delivery time of the lock chamber (s); α is the coefficient; k v Take 0.4~0.6; g is the acceleration due to gravity.

[0057] Take a large ship lock with three-level water-saving tanks 30 as an example. The maximum working water head of the ship lock is 29.60m, and the total water delivery time is tentatively set at 15min. When the gate is filled and discharged, the working water head of the working valve 8 in each water delivery process is H=10.76m, and the water delivery time of each water-saving tank 30 is T=6~7min; when the three water-saving tanks 30 are in operation, the working water head of the valve in each water delivery process is H=10.76m, and the water delivery time of each water-saving tank 30 is T=3min=180s; the water area of ​​the lock chamber Aroom=338×34.2=11559.6m 2 , the water area of ​​the water-saving pool 30 is A pool = 1.4A chamber, then the water area of ​​the lock chamber 10 is calculated to be C = 1.4 / (1.4+1) × A chamber = 6743.1m2; the d value is taken as 0.35m according to the existing test data, μ = 0.73, α = 0.551, kv = 0.33 ~ 0.29; then: the cross-sectional area of ​​the corridor at the working valve 8 is preliminarily determined to be: 2 ~ 5.0m × 6.5m (width × height) = 65.0m 2 .

[0058] In one or more embodiments, two lock chambers 10 are included, each lock chamber 10 is provided with the water delivery system, the two water delivery systems are arranged symmetrically about the center line of the middle pier 20, the water filling gallery 4 and the water discharge gallery 6 are arranged in the middle pier 20 along the longitudinal direction of the lock chamber 10, and the water saving tank 30 is arranged on the side of the lock chamber 10 away from the middle pier 20 along the longitudinal direction of the lock chamber 10. A double-line ship lock is formed to meet the smooth passage of ships up and down, and has a smaller footprint than the existing double-line ship lock, higher water delivery efficiency, and better water saving effect.

[0059] A ship lock water delivery system of the present embodiment is provided by arranging the filling gallery 4 and the discharge gallery 6 on the same side of the lock chamber 10, cooperating with the first diversion port 11 arranged in the middle of the lock chamber 10 and the middle branch gallery 1 arranged along the longitudinal direction of the lock chamber 10, so as to form a water delivery structure in which the long gallery of the lock wall vertically diverts the middle branch gallery 1 of the lock bottom through the central inlet of the lock chamber 10, and fully utilizing the bottom area of ​​the lock chamber 10 for arranging the other connecting galleries, so that the overall structure of the water delivery system is compact and the occupied area is small. At the same time, by means of the first diversion port 11 arranged in the middle of the lock chamber 10 and the lock chamber 10 The multiple second diversion outlets 12 and the branch corridors 2 that are symmetrically distributed longitudinally are used to evenly disperse and transport the water, forming a dispersed water delivery structure with uniform water discharge in multiple sections in the lock chamber 10, achieving uniform distribution of the water body, and forming a complex dispersed water delivery system with hydraulic balance, which is beneficial to improving the water delivery efficiency, achieving smooth transportation of the water body, reducing the water delivery time, and meeting the requirements of the water delivery system for large-scale, high-head operation of the ship lock. In addition, by setting up a water-saving tank 30, water resources are reused, the water consumption during the use of the ship lock is reduced, and the water-saving operation effect is achieved.

[0060] Example 2 A method for designing a ship lock water delivery system includes a ship lock water delivery system as described above, and comprises: Step 1: Preliminarily determine the layout structure of the water delivery system; Step 2: Establish a physical model for simulation test; Step 3: Optimize the layout of the water delivery system based on the physical model test; Step 4: Conduct test verification to determine the layout of the water delivery system.

[0061] A design method for a ship lock water delivery system in this embodiment is optimized through a preliminary determined water delivery system layout structure combined with physical model tests, so that the layout and structure of the water delivery system can meet the use of large-scale, high-head ship locks, and the water delivery efficiency and effect are relatively high.

[0062] In one or several embodiments, a physical model of the water conveyance system can be established to conduct simulation tests, test the hydraulic characteristics of the water filling and discharge of the lock chamber 10, map the hydraulic characteristic curve of the water filling and discharge of the lock chamber 10, measure the filling and discharge time and the water level rise and fall speed of the lock chamber 10, and measure the pressure characteristics of the control section of the water conveyance corridor. According to the test results of the physical model, combined with the requirements of relevant design specifications and the actual use needs of the ship lock, the structure and layout of the water conveyance system can be optimized, and then experimental verification can be carried out to finally determine the structure and layout of the ship lock water conveyance system actually used, and obtain a water conveyance system layout that meets the requirements of the specifications and the use needs.

[0063] In one or several embodiments, during the physical model test, the valve operating conditions set in advance are used, and the valve operating conditions include setting the total water delivery time of the ship lock to not exceed 15 minutes, the operating water delivery time of each level of the water-saving tank 30 to 3 minutes, and all working valves 8 adopting a rapid opening and closing method with a continuous opening time of 1 minute and a continuous closing time of 0.5 minutes.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ship lock water delivery system, characterized in that: include: The middle branch gallery (1) is arranged at the bottom of the lock chamber (10) along the longitudinal direction of the lock chamber (10), and is provided with a first diversion port (11) and a plurality of second diversion ports (12); the first diversion port (11) is arranged in the middle of the lock chamber (10); the plurality of second diversion ports (12) are symmetrically distributed in the longitudinal direction of the lock chamber (10) relative to the first diversion port (11); each second diversion port (12) is connected to at least two branch galleries (2); at least two branch galleries (2) are symmetrically arranged relative to the second diversion port (12) in the width direction of the lock chamber (10); and each branch gallery (2) is provided with a plurality of water inlet and outlet holes (21) in communication with the lock chamber (10) at the top; The water inlet corridor (3) is located at the bottom of the first approach channel (101) of the upper lock and arranged along the width of the navigation channel. A plurality of upstream water inlets (31) are distributed on the upstream and downstream side walls of the water inlet corridor (3); A water filling gallery (4) is connected to the water inlet gallery (3) and the lock chamber (10), is arranged on one side of the lock chamber (10) along the longitudinal direction of the lock chamber (10), is connected to the middle branch gallery (1) through the first diversion port (11), and is provided with a water delivery valve; The water outlet corridor (5) is located at the bottom of the first navigation channel (102) of the lower lock and arranged along the width of the navigation channel. A plurality of downstream water outlets (51) are distributed at the top of the water outlet corridor (5); The discharge gallery (6) connects the lock chamber (10) and the water outlet gallery (5), is arranged on the same side of the lock chamber (10) as the water filling gallery (4) along the longitudinal direction of the lock chamber (10), is connected to the middle branch gallery (1) through the first diversion port (11), and is provided with a water delivery valve; The connecting corridor (7) connects the lock chamber (10) and the water-saving tank (30), is arranged along the center line of the first diversion port (11) in the width direction of the lock chamber (10), and is located in the middle of the water-saving tank (30). The water-saving tank (30) is arranged on the other side of the lock chamber (10) away from the sufficient corridor.

2. A ship lock water delivery system according to claim 1, characterized in that: The branch corridor (2) is parallel to the middle branch corridor (1); the branch corridor (2) merges with the middle branch corridor (1) after turning 180 degrees on the side away from the first diversion port (11); the water inlet and outlet holes (21) are arranged on the side of the branch corridor (2) close to the gate chamber; a plurality of water inlet and outlet holes (21) are arranged; and an energy dissipation cover plate is provided between the branch corridor (21) and the gate chamber (10).

3. A ship lock water delivery system according to claim 1, characterized in that: The water saving pool (30) comprises a primary pool (301), a secondary pool (302) and a tertiary pool (303). The primary pool (301) is arranged above the tertiary pool (303), and the secondary pool (302) is arranged side by side on a side of the tertiary pool (303) away from the gate chamber (10). The primary pool (301), the secondary pool (302) and the tertiary pool (303) are respectively connected to the connecting corridor (7) through water inlets and outlets (304) arranged at the bottom.

4. A ship lock water delivery system according to claim 3, characterized in that: All water-saving tanks (30) are symmetrically arranged with water inlets and outlets (304) on both sides of the extension of the center line, and each water inlet and outlet (304) is connected to the valve section corridor (305) through a vertical corridor. The valve section corridors (305) of the first-level tank (301) and the third-level tank (303) are arranged along the longitudinal direction of the lock chamber (10), and the valve section corridor (305) of the second-level tank (302) is arranged along the width direction of the lock chamber (10). All valve section corridors (305) are provided with bidirectional water-blocking gates.

5. A ship lock water delivery system according to claim 4, characterized in that: The bottom elevations of all valve section corridors (305) are consistent. The valve section corridors (305) of the first-level pool (301) and the third-level pool (303) converge on the plane, turn horizontally and converge with the connecting corridor (7); the valve section corridor (305) of the second-level pool (302) converges on the plane and connects with the connecting corridor (7).

6. A ship lock water delivery system according to claim 1, characterized in that: The water filling gallery (4) comprises a main water filling gallery (41) and at least two water filling valve section branch galleries (42). The water filling valve section branch galleries (42) are connected to the water inlet gallery (3). All water filling valve section branch galleries (42) converge and connect to the main water filling gallery (41) after the miter gate at the upper gate head. The main water filling gallery (41) is connected to the first diversion port (11). Each water filling valve section branch gallery (42) is provided with at least one working valve (8) and at least two inspection valves (9). The water filling valve section branch gallery (42) is provided with a gooseneck pipe section (43) for lowering the gallery bottom elevation. The cross-section of the water filling valve section branch gallery (42) after the working valve (8) is widened.

7. A ship lock water delivery system according to claim 6, characterized in that: The discharge corridor (6) comprises a discharge main corridor (61) and at least two discharge valve section branch corridors (62). The discharge valve section branch corridors (62) are connected to the water outlet corridor (5). All the discharge valve section branch corridors (62) converge in front of the first herringbone gate of the lower gate and connect to the discharge main corridor (61). The discharge main corridor (61) is connected to the first diversion port (11). Each discharge valve section branch corridor (62) is provided with at least one working valve (8) and at least two inspection valves (9). The corridor bottom elevation of the discharge valve section branch corridor (62) is consistent with the lowest corridor bottom elevation of the water filling valve section branch corridor (42). The cross-section of the discharge valve section branch corridor (62) after the working valve (8) is widened.

8. A ship lock water delivery system according to claim 7, characterized in that: The cross-sectional area of ​​the gallery at the working valve shall meet the following requirements: ； Where: ω is the cross-sectional area of ​​the corridor at the water delivery valve; C is the calculated water area of ​​the lock chamber; H is the design water head, d is the inertial water head; μ is the flow coefficient of the water delivery system when the valve is fully open; T is the water delivery time of the lock chamber (s); α is the coefficient; k v Take 0.4~0.6; g is the acceleration due to gravity.

9. A ship lock water delivery system according to claim 7, characterized in that: The invention comprises at least two water inlet corridors (3), which are connected to the water filling valve section branch corridors (42) respectively after being horizontally turned; and comprises at least four water outlet corridors (5), which are connected to the water discharge valve section branch corridors (62) after being horizontally turned and converging in pairs.

10. A ship lock water delivery system according to claim 9, characterized in that: An energy dissipation chamber (103) is arranged in the bottom plate of the first navigation channel of the lower lock, the water outlet corridor (5) is connected to the energy dissipation chamber (103), the energy dissipation chamber (103) is arranged across the navigation channel, the energy dissipation chamber (103) is connected to the energy dissipation pool, and the energy dissipation pool is connected to the downstream channel through a slope.

11. A ship lock water delivery system according to any one of claims 1 to 10, characterized in that: It comprises two lines of lock chambers (10), each line of lock chambers (10) is provided with the water delivery system, the two water delivery systems are arranged symmetrically about the center line of the middle partition pier (20), and the water filling gallery (4) and the water discharge gallery (6) are arranged in the middle partition pier (20) along the longitudinal direction of the lock chamber (10).

12. A method for designing a ship lock water delivery system, characterized in that: A ship lock water delivery system comprising any one of claims 1 to 11, and comprising: Step 1: Preliminarily determine the layout structure of the water delivery system; Step 2: Establish a physical model for simulation test; Step 3: Optimize the layout of the water delivery system based on the physical model test; Step 4: Conduct test verification to determine the layout of the water delivery system.

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