A ship lock water delivery and drainage system and method

Abstract

The application provides a ship lock water delivery and drainage system and a water delivery and drainage method. The system is suitable for estuary. The system comprises a ship lock and a water storage pool. The ship lock comprises a lock chamber. The water storage pool is arranged on one side of the ship lock. A connecting gallery is arranged between the water storage pool and the ship lock. The connecting gallery is connected with the water storage pool and the lock chamber. A connecting valve is arranged on the connecting gallery to control opening and closing of the connecting gallery. An outer side gate is arranged on one side of the water storage pool close to the outer sea area. The ship lock water delivery and drainage system can realize external circulation of salt water in the outer sea area, reduce the salt water into the inland river, effectively reduce the salt prevention cost and the desalination energy consumption, and is economic and environmentally friendly.

Description

Technical Field

[0001] The present application relates to the technical field of navigation structures for water transport projects, and in particular to a ship lock drainage system and drainage method. Background Art

[0002] Ship locks are the most widely used navigation structures. Based on the principle of communicating vessels, ship locks open and close filling and discharge valves to regulate the water level in the lock chamber, thereby achieving a step-by-step rise and fall of ships in the lock chamber and overcoming navigation difficulties caused by water level differences in the waterway.

[0003] In the existing technology, ship locks built at the mouths of rivers involve a large amount of water exchange when ships pass through the locks, and a large amount of salt water enters the inland river, increasing the pressure to prevent salt water. The blending of different water bodies easily causes flocculation and siltation. Summary of the Invention

[0004] The purpose of the embodiment of the present application is to provide a ship lock drainage system, which can realize the external circulation of salt water in the outer sea area, reduce the entry of salt water into the inland river, effectively reduce the cost of salt prevention and desalination energy consumption, and is economical and environmentally friendly.

[0005] The structure of a ship lock generally includes an upper gate, a lower gate, an upstream water supply valve, a downstream water supply valve, and a lock chamber located between the upper and lower gates. The lower gate is set close to the open sea area, and the upper gate is set close to the inland water area. The upstream water supply valve is set close to the upper gate, and the downstream water supply valve is set close to the lower gate. The upstream water supply valve is used to realize the filling and discharge of water between the lock chamber and the inland water area, and the downstream water supply valve is used to realize the filling and discharge of water between the lock chamber and the open sea area.

[0006] An embodiment of the present application provides a ship lock drainage system, which is suitable for estuaries. The system includes a ship lock and a reservoir. The ship lock includes a lock chamber. The reservoir is arranged on one side of the ship lock. A connecting corridor connecting the water reservoir and the lock chamber is provided between the water reservoir and the ship lock. A connecting valve for controlling the opening and closing of the connecting corridor is provided on the connecting corridor. An outer gate is provided on the side of the reservoir close to the outer sea area.

[0007] During the operation of the above-mentioned ship lock water supply and drainage system, the water storage function of the water reservoir is utilized to discharge the salt water in the lock chamber into the water reservoir, which can prevent a large amount of salt water from entering the inland river waters, effectively reduce the cost of salt prevention, reduce the energy consumption of desalination, and be economical and environmentally friendly. At low tide, the outer gate can be opened to discharge the salt water in the water reservoir and the lock chamber into the open sea waters, and flush out the silt accumulated in the outer sea area, reducing the silt accumulation in the outer sea area. Therefore, the ship lock water supply system in this application utilizes the filling, discharging, storage, and discharge functions of the water reservoir to realize the external circulation of salt water in the outer sea area, reduce the amount of salt water entering the inland river waters, reduce the amount of fresh water entering the outer sea area, and thus reduce the flocculation and siltation caused by the fusion of different water bodies. At the same time, the water reservoir can also assist the gate at the lower lock head to fill the lock chamber with water at the same time, which can effectively increase the filling speed, shorten the water filling time of the ship lock, improve the safety of ship navigation, and increase the passing capacity of the ship lock.

[0008] In a possible implementation, there are multiple connecting corridors.

[0009] In the above implementation process, setting up multiple connecting corridors can effectively increase the speed of filling and discharging water between the lock and the reservoir, shorten the filling and discharging time of the lock, improve the safety of ship navigation, and increase the passing capacity of the lock.

[0010] In a possible implementation, a sand flushing device is provided in the water reservoir to loosen the silt deposited on the bottom of the water reservoir.

[0011] In the above implementation process, when the tide is almost out, the locks and reservoirs release water to the open sea and the sand flushing device is opened at the same time. The sand flushing device loosens the silt at the bottom of the reservoir, and the silt and water are discharged into the open sea together.

[0012] In a possible implementation, an inner gate is provided at one end of the reservoir close to the inland river water area.

[0013] In the above implementation process, during floods, when there is a large amount of water being discarded, the inner and outer gates of the reservoir can be opened at the same time, which can not only flush the reservoir and the downstream, but also increase the water discharge capacity of the hub and reduce the flood discharge pressure during the flood season.

[0014] In a possible implementation, there are at least two ship locks, and two adjacent ship locks share a water reservoir.

[0015] In the above implementation process, when setting up double-line or multi-line ship locks, two adjacent ship locks share a water reservoir, which can reduce engineering pressure and lower the construction cost of the ship lock water supply and drainage system.

[0016] The application further provides a water delivery and drainage method, which is suitable for a ship lock water delivery and drainage system, and the ship lock water delivery and drainage system comprises a ship lock and a water storage pool, the ship lock comprises an upper lock head, a lower lock head, an upper water delivery valve, a lower water delivery valve and a lock chamber between the upper lock head and the lower lock head, the lower lock head is between the upper lock head and the outer sea area, the upper water delivery valve is arranged close to the upper lock head, and the lower water delivery valve is arranged close to the lower lock head; the water storage pool is arranged on one side of the ship lock, a connecting gallery is arranged between the water storage pool and the ship lock, the connecting gallery is connected with the lock chamber, and a connecting valve for controlling the opening and closing of the connecting gallery is arranged on the connecting gallery. The method comprises the following steps: when the water level of the outer sea area is high tide, and there is a first ship to be entered into the inland water area, the lower water delivery valve is opened until the water level in the lock chamber is equal to the water level of the outer sea area, then the lower water delivery valve is closed, the lock gate of the lower lock head is opened, and the first ship in the outer sea area is entered into the lock chamber. After the lock gate of the lower lock head is closed, the connecting valve is opened until the water level in the lock chamber is equal to the water level of the water storage pool, and then the connecting valve is closed. It is judged whether the water level in the lock chamber is equal to the water level of the inland water area, if yes, the lock gate of the upper lock head is opened, and the first ship in the lock chamber is driven into the inland water area; if not, the upper water delivery valve is opened until the water level in the lock chamber is equal to the water level of the inland water area, then the upper water delivery valve is closed, the lock gate of the upper lock head is opened, and the first ship in the lock chamber is driven into the inland water area.

[0017] In a possible implementation, when the water level of the outer sea area is high tide, there is a first ship to be entered into the inland water area, and there is a second ship to be entered into the outer sea area in the inland water area; after the lock gate of the upper lock head is opened, the method further comprises the following steps: the second ship in the inland water area is driven into the lock chamber; the lock gate of the upper lock head is closed, the lower water delivery valve is opened until the water level in the lock chamber is equal to the water level of the outer sea area, the second ship in the lock chamber is driven into the outer sea area, and the ship lock and the water storage pool are closed.

[0018] In a possible implementation, an outer side lock gate is arranged on the side of the water storage pool close to the outer sea area; and the method further comprises the following steps: when the outer sea area enters the tailing stage of ebb tide, the outer side lock gate and the lower water delivery valve are opened until the water storage pool and the lock chamber are drained to a low tide level.

[0019] In a possible implementation, a sand flushing device is arranged in the water storage pool, and is used for loosening accumulated silt at the bottom of the water storage pool; and the step of opening the outer side lock gate and the lower water delivery valve until the water storage pool and the lock chamber are drained to a low tide level comprises the following step: opening the sand flushing device, the outer side lock gate and the lower water delivery valve until the water storage pool and the lock chamber are drained to a low tide level.

[0020] In a possible implementation, an inner gate is provided at one end of the water reservoir close to the inland river water area, and the method further includes: during a flood, simultaneously opening the inner gate and the outer gate of the water reservoir. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments of the present application. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 A structural diagram of a ship lock water supply and drainage system provided in an embodiment of the present application;

[0023] Figure 2 A flow chart of a water supply and drainage method provided in an embodiment of the present application.

[0024] Icons: 100-ship lock; 200-reservoir; 110-upper gate; 120-lower gate; 130-upstream water supply valve; 140-downstream water supply valve; 150-lock chamber; 210-connecting corridor; 220-connecting valve; 230-outer gate; 240-inner gate; 250-sand flushing device. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0026] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0027] Please refer to Figure 1 The structure of the ship lock 100 generally includes an upper gate 110, a lower gate 120, an upstream water transfer valve 130, a downstream water transfer valve 140, and a lock chamber 150 located between the upper gate 110 and the lower gate 120. The lower gate 120 is arranged close to the open sea area, and the upper gate 110 is arranged close to the inland water area. The upstream water transfer valve 130 is arranged close to the upper gate 110, and the downstream water transfer valve 140 is arranged close to the lower gate 120. The upstream water transfer valve 130 is used to realize water filling and discharge between the lock chamber 150 and the inland water area, and the downstream water transfer valve 140 is used to realize water filling and discharge between the lock chamber 150 and the open sea area.

[0028] An embodiment of the present application provides a ship lock water supply and drainage system, which is suitable for estuaries. The system includes a ship lock 100 and a reservoir 200. The ship lock 100 includes a lock chamber 150. The reservoir 200 is arranged on one side of the ship lock 100. A connecting corridor 210 connecting the reservoir 200 and the lock chamber 150 is provided between the water reservoir 200 and the ship lock 100. A connecting valve 220 for controlling the opening and closing of the connecting corridor 210 is provided on the connecting corridor 210. An outer gate 230 is provided on the side of the water reservoir 200 close to the open sea area.

[0029] In the ship lock water supply and drainage system of the present application, when the water level in the outer sea area rises to high tide, the water levels in the lock chamber 150 and the reservoir 200 are at low tide. At this time, if the first ship in the outer sea area needs to enter the inland waters, the downstream water supply valve 140 is first opened to fill the lock chamber 150 with water. After the water level in the lock chamber 150 is flush with the water level in the outer sea area, the downstream water supply valve 140 is closed and the gate of the lower lock head 120 is opened. The first ship in the outer sea area enters the lock chamber 150 through the gate of the lower lock head 120; thereafter, the connecting valve 220 of the connecting corridor 210 is opened to allow the water in the lock chamber 150 to flow into the reservoir 200. After the water level in the lock chamber 150 is flush with the water level in the outer sea area, the downstream water supply valve 140 is closed and the gate of the lower lock head 120 is opened. The first ship in the outer sea area enters the lock chamber 150 through the gate of the lower lock head 120. After the water level is flush with the water level of the reservoir 200, the connecting valve 220 is closed; thereafter, it is determined whether the water level of the lock chamber 150 is consistent with the water level of the inland river. If the water level in the lock chamber 150 is flush with the water level of the inland river water area, the gate of the upper lock head 110 can be opened to allow the first ship to enter the inland river water area; if there is a water level difference between the water level in the lock chamber 150 and the water level of the inland river water area, the upstream water transfer valve 130 is opened to connect the inland river water area with the lock chamber 150, and the lock chamber 150 is filled with or discharged water according to the water level difference until the water level of the inland river water area is flush with the water level of the lock chamber 150. After that, the gate of the upper lock head 110 can be opened to allow the first ship to enter the inland river water area.

[0030] If a second ship in the inland waters enters the open sea, the first ship can enter the lock chamber 150 after the gate of the upper lock head 110 is opened. After the first ship enters the inland waters and the second ship enters the lock chamber 150, the gate of the upper lock head 110 is closed. Then, the downstream water supply valve 140 is opened to fill the lock chamber 150 with water until the water level in the lock chamber 150 is the same as the water level in the open sea. Alternatively, the outer gate 230 and connecting valve 220 of the reservoir 200 can be opened simultaneously to fill the lock chamber 150 with water through the reservoir 200, thereby increasing the filling speed and shortening the filling time. After the water level in the lock chamber 150 is the same as the water level in the open sea, the downstream water supply valve 140, the outer gate 230, and the connecting valve 220 are closed, and the gate of the lower lock head 120 is opened, and the second ship can enter the open sea. This allows ships to enter and exit the river estuary.

[0031] Wait until the outer sea waters enter the final stage of low tide. At this time, the gate of the lower sluice head 120 and the outer gate 230 of the reservoir 200 can be opened to allow the salt water stored in the lock chamber 150 and the reservoir 200 to flow into the outer sea. When the water level of the reservoir 200 reaches the same level as that of the outer sea, the gate of the lower sluice head 120 and the outer gate 230 of the reservoir 200 are closed to wait for the next high tide.

[0032] During the operation of the above-mentioned ship lock water supply and drainage system, the water storage function of the water reservoir 200 is utilized to discharge the salt water in the lock chamber 150 into the water reservoir 200, which can prevent a large amount of salt water from entering the inland river water area, effectively reduce the cost of salt prevention, reduce the energy consumption of desalination, and be economical and environmentally friendly. At low tide, the outer gate 230 can be opened to discharge the salt water in the water reservoir 200 and the lock chamber 150 into the open sea water area, and flush out the silt accumulated in the outer sea area, thereby reducing the silt accumulation in the outer sea area. Therefore, the ship lock 100 water supply system in this application utilizes the filling, discharging, storage and discharge functions of the water reservoir 200 to realize the external circulation of salt water in the outer sea area, reduce the amount of salt water entering the inland river water area, reduce the amount of fresh water entering the outer sea area, and thereby reduce the flocculation and siltation caused by the fusion of different water bodies. At the same time, the water reservoir 200 can also assist the gate of the lower lock head 120 to fill the lock chamber 150 with water at the same time, which can effectively increase the filling speed, shorten the filling time of the ship lock 100, improve the safety of ship navigation, and increase the passing capacity of the ship lock 100.

[0033] It should be noted that the above-mentioned estuary not only refers to the estuary of a river entering the sea, but also refers to the estuary of a river or other water body entering the sea.

[0034] In a possible implementation, there are multiple connecting corridors 210 .

[0035] In the above implementation process, setting up multiple connecting corridors 210 can effectively increase the speed of filling and draining water between the ship lock 100 and the water reservoir 200, shorten the filling and draining time of the ship lock 100, improve the safety of ship navigation, and increase the passing capacity of the ship lock 100.

[0036] In a possible implementation, a sand flushing device 250 is provided in the water reservoir 200 to loosen the silt deposited on the bottom of the water reservoir 200 .

[0037] In the above implementation process, when the tide is almost out, the ship lock 100 and the reservoir 200 release water to the open sea area and the sand flushing device 250 is opened. The sand flushing device 250 loosens the silt at the bottom of the reservoir 200, and the silt and water are discharged into the open sea area together.

[0038] In one possible implementation, an inner gate 240 is provided at one end of the reservoir 200 close to the inland river waters.

[0039] In the above implementation process, during floods, there are periods of large amounts of water being discarded. The inner gate 240 and the outer gate 230 of the reservoir 200 can be opened simultaneously, which can not only flush the reservoir 200 and the downstream, but also increase the water discharge capacity of the hub and reduce the flood discharge pressure during the flood season.

[0040] In a possible implementation, the above-mentioned ship lock water supply and drainage system further includes anti-scouring facilities, which are arranged upstream and / or downstream of the water reservoir.

[0041] In the above implementation process, the installation of anti-scouring facilities can prevent the lock drainage system from being damaged by floods.

[0042] In a possible implementation, there are at least two ship locks 100 , and two adjacent ship locks 100 share a water reservoir 200 .

[0043] In the above implementation process, when setting up a double-line or multi-line ship lock 100, two adjacent ship locks 100 share a water reservoir 200, which can reduce engineering pressure and lower the construction cost of the ship lock water supply and drainage system.

[0044] Please refer to Figure 2 The embodiment of the present application further provides a water supply and drainage method, which is applicable to a ship lock water supply and drainage system, wherein the ship lock water supply and drainage system includes a ship lock 100 and a water reservoir 200, wherein the ship lock 100 includes an upper gate 110, a lower gate 120, an upstream water supply valve 130, a downstream water supply valve 140, and a lock chamber 150 located between the upper gate 110 and the lower gate 120, wherein the lower gate 120 is located between the upper gate 110 and the open sea area, the upstream water supply valve 130 is arranged near the upper gate 110, and the downstream water supply valve 140 is arranged near the lower gate 120; the water reservoir 200 is arranged on one side of the ship lock 100, and a connecting corridor 210 is arranged between the water reservoir 200 and the ship lock 100, connecting the water reservoir 200 and the lock chamber 150, and a connecting valve 220 is arranged on the connecting corridor 210 for controlling the opening and closing of the connecting corridor 210; the method includes:

[0045] S210: When the water level in the outer sea area is at high tide and there is a first ship in the outer sea area waiting to enter the inland waters, the downstream water supply valve 140 is opened until the water level in the lock chamber 150 is flush with the water level in the outer sea area and then closed, and the gate of the lower lock head 120 is opened to allow the first ship in the outer sea area to enter the lock chamber 150.

[0046] S220: After closing the gate of the lower gate head 120, open the connecting valve 220 until the water level of the gate chamber 150 is flush with the water level of the reservoir 200 and then close it.

[0047] S230: Determine whether the water level of the lock chamber 150 is the same as the water level of the inland river water area.

[0048] If the water level in the lock chamber 150 is level, the gate of the upper lock head 110 is opened, and the first ship in the lock chamber 150 enters the inland river waters; if the water level in the lock chamber 150 is not level, the upstream water supply valve 130 is opened until the water level in the lock chamber 150 is level with the water level in the inland river waters and then closed, and then the gate of the upper lock head 110 is opened, and the first ship in the lock chamber 150 enters the inland river waters.

[0049] In one possible implementation, when the water level in the outer sea area is at high tide, there is a first ship in the outer sea area waiting to enter the inland waters and there is a second ship in the inland waters waiting to enter the outer sea area; after opening the gate of the upper lock head 110, the method further includes: the second ship in the inland waters enters the lock chamber 150; closing the gate of the upper lock head 110, opening the downstream water supply valve 140 until the water level in the lock chamber 150 is flush with the water level in the outer sea area, the second ship in the lock chamber 150 enters the outer sea area, and closing the ship lock 100 and the reservoir 200.

[0050] In one possible implementation, an outer gate 230 is provided on the side of the water reservoir 200 close to the outer sea area; the method also includes: when the outer sea area enters the end stage of low tide, opening the outer gate 230 and the downstream water supply valve 140 to discharge water to the water reservoir 200 and the lock chamber 150 to the low tide level.

[0051] In one possible implementation, a sand flushing device 250 is provided in the water reservoir 200 for loosening the silt deposited on the bottom of the water reservoir 200; opening the outer gate 230 and the downstream water supply valve 140 to discharge water from the water reservoir 200 and the lock chamber 150 to a low tide level includes: opening the sand flushing device 250, the outer gate 230 and the downstream water supply valve 140 to discharge water from the water reservoir 200 and the lock chamber 150 to a low tide level.

[0052] In one possible implementation, an inner gate 240 is provided at one end of the reservoir 200 close to the inland river waters, and the method further includes: during a flood, simultaneously opening the inner gate 240 and the outer gate 230 of the reservoir 200 .

[0053] The above are merely examples of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application. It should be noted that similar numbers and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures.

[0054] The above are only specific embodiments of the present application, but the scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

[0055] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. A water supply and drainage method, applicable to a ship lock water supply and drainage system, characterized in that: The ship lock water supply and drainage system includes a ship lock and a water reservoir. The ship lock includes an upper gate, a lower gate, an upstream water supply valve, a downstream water supply valve, and a lock chamber located between the upper gate and the lower gate. The lower gate is located between the upper gate and the open sea. The upstream water supply valve is located near the upper gate, and the downstream water supply valve is located near the lower gate. The water reservoir is located on one side of the ship lock. A connecting corridor connecting the water reservoir and the lock chamber is provided between the water reservoir and the ship lock. The connecting corridor is provided with a connecting valve for controlling the opening and closing of the connecting corridor. The method comprises: When the water level in the outer sea area is at high tide and a first ship in the outer sea area is about to enter the inland waters, the downstream water transfer valve is opened until the water level in the lock chamber is flush with the water level in the outer sea area and then closed, and the gate at the lower lock head is opened to allow the first ship in the outer sea area to enter the lock chamber; After closing the gate of the lower gate head, opening the connecting valve until the water level of the gate chamber is flush with the water level of the reservoir and then closing it; determining whether the water level of the lock chamber is flush with the water level of the inland waters; if so, opening the gate of the upper lock head, allowing the first ship in the lock chamber to sail into the inland waters; if not, opening the upstream water transfer valve until the water level of the lock chamber is flush with the water level of the inland waters, then closing it, and then opening the gate of the upper lock head, allowing the first ship in the lock chamber to sail into the inland waters; When the water level of the outer sea area is high tide, there is a first ship in the outer sea area waiting to enter the inland waters and there is a second ship in the inland waters waiting to enter the outer sea area; After the gate of the upper gate is opened, the method further includes: The second vessel in the inland waters enters the lock chamber; Close the gate of the upper lock head, open the downstream water supply valve until the water level of the lock chamber is flush with the water level of the outer sea area, the second ship in the lock chamber enters the outer sea area, and close the ship lock and the water reservoir.

2. The water supply and drainage method according to claim 1, characterized in that: An outer gate is provided on a side of the reservoir close to the outer sea area; and the method further comprises: When the outer sea area enters the final stage of low tide, the outer gate and the downstream water transfer valve are opened to discharge water from the reservoir and the lock chamber to the low tide level.

3. The water supply and drainage method according to claim 2, characterized in that: The water reservoir is provided with a sand flushing device for loosening the silt deposited on the bottom of the water reservoir; the opening of the outer gate and the downstream water delivery valve to discharge water from the water reservoir and the lock chamber to the low tide level includes: Open the sand flushing device, the outer gate and the downstream water supply valve to discharge water from the reservoir and the lock chamber to the low tide level.

4. The water supply and drainage method according to claim 2, characterized in that: An inner gate is provided at one end of the reservoir close to the inland river waters, and the method further comprises: During a flood, the inner gate and the outer gate of the reservoir are opened simultaneously.

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