CN214423330U - Ship lock water-saving system - Google Patents
Ship lock water-saving system Download PDFInfo
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- CN214423330U CN214423330U CN202120061002.7U CN202120061002U CN214423330U CN 214423330 U CN214423330 U CN 214423330U CN 202120061002 U CN202120061002 U CN 202120061002U CN 214423330 U CN214423330 U CN 214423330U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The utility model discloses a ship lock water-saving system, which comprises a lock chamber system, a water delivery system and a water storage system; the water storage system is arranged on two sides or one side of the lock chamber system; the water delivery system is arranged on two sides of the lower part of the lock chamber system or one side of the lower part of the lock chamber system; the lock chamber system comprises a lock chamber, a lock chamber upstream working door, a lock chamber downstream working door and a lock chamber bottom water inlet and outlet pipe; the working door at the upstream of the lock chamber is arranged at the front end of the lock chamber; the downstream working door of the lock chamber is arranged at the rear end of the lock chamber; the water inlet and outlet pipe at the bottom of the lock chamber is arranged at the bottom of the lock chamber. The utility model discloses a water storage tank and water delivery corridor's combined action can utilize more than 50% water in the lock chamber repeatedly, realizes the purpose of water economy resource on the basis of guaranteeing lock normal operating, reduces lock running cost. The utility model discloses the operational mode to water-saving lock has explained, provides simple convenient operation operational mode.
Description
Technical Field
The utility model belongs to the technical field of water conservancy system structure, concretely relates to ship lock water-saving system structure.
Background
Along with the development of domestic hydropower construction, the large storehouses of high dams are increased day by day, and the shipping sustainable development of the original channel is also required to be concerned in the process of water conservancy and hydropower construction and propulsion. Therefore, a new navigation dam-crossing facility is required to be built on most river water retaining buildings so as to recover and meet the shipping requirements of the gold waterway. The ship lock accounts for the largest proportion in the current-stage navigation building, the ship lock needs to obtain water from an upstream reservoir through a water delivery system so as to realize the fluctuation of the water level in a lock chamber, the consumption of water resources of the reservoir is caused in the operation process, particularly the operation water consumption of a high-water-head single-stage ship lock and a high-water-head multi-stage ship lock is huge, and meanwhile, the power generation benefit of a reservoir power station is also influenced. Therefore, the reduction of the water consumption of the ship lock has great significance for the comprehensive development and utilization of water resources, energy conservation and emission reduction.
Disclosure of Invention
The big not enough to the ship lock water consumption, the utility model provides a ship lock water-saving system and application method thereof recycles the indoor water body of lock under the prerequisite of guaranteeing the ship lock safety and stability operation, reduces the ship lock water consumption.
The utility model adopts the following technical scheme to realize.
A ship lock water-saving system comprises a lock chamber system, a water delivery system and a water storage system;
the water storage system is arranged on two sides or one side of the lock chamber system; the water delivery system is arranged on two sides of the lower part of the lock chamber system or one side of the lower part of the lock chamber system;
the lock chamber system comprises a lock chamber 1, a lock chamber upstream working door 6, a lock chamber downstream working door 7 and a lock chamber bottom water inlet and outlet pipe 8; the lock chamber upstream working door 6 is arranged at the front end of the lock chamber 1; a lock chamber downstream working door 7 is provided at the rear end of the lock chamber 1; the water inlet and outlet pipe 8 at the bottom of the lock chamber is arranged at the bottom of the lock chamber 1;
the water delivery system comprises a water delivery system upstream working door 2, a water delivery corridor 10 and a water delivery system downstream working door 12; the height of the working door 2 at the upstream of the water delivery system is greater than that of the working door 12 at the downstream of the water delivery system; a water delivery gallery 10 is arranged between the water delivery system upstream working door 2 and the water delivery system downstream working door 12; the water delivery gallery 10 is connected with a water inlet pipe 8 and a water outlet pipe 8 at the bottom of the lock chamber;
the water storage system comprises a communication pipeline 11 and water storage units arranged in multiple layers, and the communication pipeline 11 is arranged from top to bottom; each layer of water storage unit comprises a water storage bin, a control valve 9 and a water storage bin branch pipe 13; the water storage bin branch pipe 13 is arranged at the bottom of the water storage bin, and the control valve 9 is arranged on the water storage bin branch pipe 13; joints are arranged at different heights of the communicating pipeline 11 and are respectively connected with the branch pipes 13 of the water storage bin at each layer.
Further, the multilayer water storage unit of the utility model has the number of layers more than or equal to 2.
Further, the water storage bin that contains among the multilayer water storage unit, the difference in height greater than or equal to water storage bin height of the highest water level in superiors water storage bin top surface and lock chamber 1.
Further, multilayer water storage unit in the water storage storehouse that contains, minimum water storage tank bottom surface and 1 interior minimum water level difference of floodgate room are more than or equal to the water storage tank height.
Further, the utility model discloses the indoor biggest water charge of floodgate is equal to the floodgate indoor portion volume between the highest navigation water level in upper reaches and the lowest navigation water level in low reaches.
Further, water storage system set up when the both sides of lock chamber system, for the symmetry setting.
Further, the water delivery system is arranged on the two sides of the lower part of the lock chamber system and is symmetrically arranged.
Further, the utility model discloses water storage storehouse and lock chamber 1 on be provided with level sensor.
Furthermore, the control valve 9 of the present invention is an electric control valve, and is connected to a computer terminal; the liquid level sensor is also connected with the computer terminal.
According to the using method of the ship lock water saving system, the using method of the utility model comprises the steps of enabling ships in the lock chamber 1 to pass downstream:
step 1) opening an upstream working door 2 of a water delivery system, injecting water into the lock chamber 1, and stopping injecting water after controlling the water level in the lifting lock chamber 1 to be level with the upstream water level;
step 2) opening the upstream working door 6 of the lock chamber, enabling the ship to enter the lock chamber 1, and closing the upstream working door 6 of the lock chamber;
step 3) opening a control valve 9 of the topmost water storage cabin, and allowing water flow to flow from the lock chamber 1 to the topmost water storage cabin under the action of pressure difference; after the water storage cabin of the layer is filled with water, the layer control valve 9 is closed;
step 4), opening a control valve 9 of the secondary top water storage cabin, and allowing water flow to flow from the lock chamber 1 to the secondary top water storage cabin under the action of pressure difference; after the water storage cabin of the layer is filled with water, the layer control valve 9 is closed;
step 5), operating according to the above steps until the water storage bin at the bottommost layer is full, and closing the layer of control valve 9;
step 6) due to the operations of the steps 3), 4) and 5), the water in the lock chamber 1 sequentially flows into the water storage bins arranged from top to bottom, and the ship position is moved downwards along with the reduction of the liquid level in the lock chamber 1;
and 7) if more water bodies still exist in the lock chamber 1 after the step 6) is finished, opening a water inlet and outlet pipe 8 at the bottom of the lock chamber and a downstream working door 12 of a water delivery system, discharging the redundant water bodies to enable the water level of the lock chamber 1 to be flush with the downstream water level, opening the downstream working door 7 of the lock chamber, enabling the ship to enter a downstream river channel, closing the downstream working door 7 of the lock chamber, and finishing the step that the ship passes downstream.
The use method of the utility model comprises the following steps:
step 8) opening a downstream working door 12 of the water delivery system to control the water level in the reduction lock chamber 1 to be level with the downstream water level,
step 9), opening the downstream working door 7 of the lock chamber, enabling the ship to enter the lock chamber 1, and closing the downstream working door 7 of the lock chamber;
step 10), opening a control valve 9 of the bottommost water storage cabin, and allowing water flow to flow from the water storage cabin to the lock chamber 1 under the action of pressure difference; after all the water in the water storage cabin at the bottommost layer enters the lock chamber, closing the layer of control valve 9;
step 11), opening a control valve 9 of a secondary bottom layer water storage cabin, and enabling water flow to flow from the layer water storage cabin to the lock chamber 1 under the action of pressure difference; closing the layer of control valve 9 after all the water in the layer of cabin enters the lock chamber;
step 12), the operation is carried out according to the above steps, and the control valve 9 at the top layer is closed until the water storage bin at the top layer is full;
step 13) due to the operation of 10), 11) and 12), water in the water storage bins arranged from bottom to top flows into the lock chamber 1 in sequence, and the ship position is lifted along with the lifting of the liquid level in the lock chamber 1;
and 14) if the water in the lock chamber 1 is insufficient after the step 13) is finished, opening a water inlet and outlet pipe 8 at the bottom of the lock chamber and an upstream working door 2 of a water delivery system, supplementing the water in the lock chamber 1 to enable the water level of the lock chamber 1 to be flush with the upstream water level, opening an upstream working door 6 of the lock chamber, enabling the ship to enter an upstream river channel, closing the upstream working door 6 of the lock chamber, and finishing the upstream passing of the ship.
By arranging the water storage cabin, part of water in the lock chamber 1 is collected, and meanwhile, the consumption of concrete in the side wall of the lock chamber 1 can be reduced, so that the effects of optimizing the engineering quantity and reducing the cost are achieved; meanwhile, the dead weight of the lock chamber is reduced, the earthquake inertia force is reduced, and the stability of the lock chamber is further improved.
Through the structural arrangement of water filling and draining in the water storage cabin, the working water heads of the valve and the gate in the ship lock can be reduced, the problem of cavitation of the valve under the high water head is avoided, the equipment type selection requirement is reduced, and the operation safety is improved.
The water storage cabins can be arranged on each layer according to the through water storage cabins, and can also be arranged on each layer according to a plurality of independent water storage cabins, and the volume and the shape can be flexibly selected. Meanwhile, the requirement of the structure size of the lock chamber 1 is combined, the water storage cabin can be arranged on the inner side or the outer side of the lock chamber 1 on the premise of ensuring the absolute elevations of the first layer and the third layer, and the arrangement optimization space is extremely large.
The liquid level sensors are arranged on the side wall of the lock chamber 1 and the upper and lower bottom plates of the water storage cabins and used for judging the relation between the water level in the lock chamber 1 and the water level in each layer of the water storage cabins and further transmitting the opening and closing information of the control valve 9.
The beneficial effects of the utility model reside in that:
(1) by adjusting the arrangement layer number of the water storage cabins, the utilization rate of the water body in the shaft can be correspondingly improved, and the utilization rate can reach 100% under an ideal condition. By combining the rationality of construction and operation, the system is primarily provided with three layers of water storage cabins, and the water body utilization rate is more than 50%.
(2) By arranging the water storage cabin, the consumption of concrete in the side wall of the lock chamber can be reduced, and the effects of optimizing the engineering quantity and reducing the cost are achieved; meanwhile, the dead weight of the lock chamber is reduced, the earthquake inertia force is reduced, and the stability of the lock chamber is further improved.
(3) By arranging the water storage tank, the working water heads of the valve and the gate in the ship lock can be reduced, the problem of cavitation of the valve under the high water head is avoided, the equipment type selection requirement is reduced, and the operation safety is improved.
Drawings
Fig. 1 is a plan view of embodiment 1 of the present invention;
fig. 2 is a longitudinal sectional view of embodiment 1 of the present invention;
fig. 3 is a cross-sectional view of embodiment 1 of the present invention.
In the figure: the water delivery system comprises a lock chamber (1), a water delivery system upstream working door (2), a third-layer water storage cabin (3), a second-layer water storage cabin (4), a first-layer water storage cabin (5), a lock chamber upstream working door (6), a lock chamber downstream working door (7), a lock chamber bottom water inlet and outlet pipe (8), a control valve (9), a water delivery gallery (10), a communicating pipeline (11) and a water delivery system downstream working door (12).
Detailed Description
The method is further described in detail below with reference to the figures and the detailed description. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The operation principle of the present invention will be described in detail with reference to the accompanying drawings. As shown in figures 1 to 3.
A ship lock water-saving system comprises a lock chamber system, a water delivery system and a water storage system;
the water storage system is arranged on two sides or one side of the lock chamber system; the water delivery system is arranged on two sides of the lower part of the lock chamber system or one side of the lower part of the lock chamber system;
the lock chamber system comprises a lock chamber 1, a lock chamber upstream working door 6, a lock chamber downstream working door 7 and a lock chamber bottom water inlet and outlet pipe 8; the lock chamber upstream working door 6 is arranged at the front end of the lock chamber 1; a lock chamber downstream working door 7 is provided at the rear end of the lock chamber 1; the water inlet and outlet pipe 8 at the bottom of the lock chamber is arranged at the bottom of the lock chamber 1;
the water delivery system comprises a water delivery system upstream working door 2, a water delivery corridor 10 and a water delivery system downstream working door 12; the height of the working door 2 at the upstream of the water delivery system is greater than that of the working door 12 at the downstream of the water delivery system; a water delivery gallery 10 is arranged between the water delivery system upstream working door 2 and the water delivery system downstream working door 12; the water delivery gallery 10 is connected with a water inlet pipe 8 and a water outlet pipe 8 at the bottom of the lock chamber;
the water storage system comprises a communication pipeline 11 and water storage units arranged in multiple layers, and the communication pipeline 11 is arranged from top to bottom; each layer of water storage unit comprises a water storage bin, a control valve 9 and a water storage bin branch pipe 13; the water storage bin branch pipe 13 is arranged at the bottom of the water storage bin, and the control valve 9 is arranged on the water storage bin branch pipe 13; joints are arranged at different heights of the communicating pipeline 11 and are respectively connected with the branch pipes 13 of the water storage bin at each layer.
Further, the multilayer water storage unit of the utility model has the number of layers more than or equal to 2.
Further, the water storage bin that contains among the multilayer water storage unit, the difference in height greater than or equal to water storage bin height of the highest water level in superiors water storage bin top surface and lock chamber 1.
Further, multilayer water storage unit in the water storage storehouse that contains, minimum water storage tank bottom surface and 1 interior minimum water level difference of floodgate room are more than or equal to the water storage tank height.
Further, the utility model discloses the indoor biggest water charge of floodgate is equal to the floodgate indoor portion volume between the highest navigation water level in upper reaches and the lowest navigation water level in low reaches.
Further, water storage system set up when the both sides of lock chamber system, for the symmetry setting.
Further, the water delivery system is arranged on the two sides of the lower part of the lock chamber system and is symmetrically arranged.
Further, the utility model discloses water storage storehouse and lock chamber 1 on be provided with level sensor.
Furthermore, the control valve 9 of the present invention is an electric control valve, and is connected to a computer terminal; the liquid level sensor is also connected with the computer terminal.
According to the using method of the ship lock water saving system, the using method of the utility model comprises the steps of enabling ships in the lock chamber 1 to pass downstream:
step 1) opening an upstream working door 2 of a water delivery system, injecting water into the lock chamber 1, and stopping injecting water after controlling the water level in the lifting lock chamber 1 to be level with the upstream water level;
step 2) opening the upstream working door 6 of the lock chamber, enabling the ship to enter the lock chamber 1, and closing the upstream working door 6 of the lock chamber;
step 3) opening a control valve 9 of the topmost water storage cabin, and allowing water flow to flow from the lock chamber 1 to the topmost water storage cabin under the action of pressure difference; after the water storage cabin of the layer is filled with water, the layer control valve 9 is closed;
step 4), opening a control valve 9 of the secondary top water storage cabin, and allowing water flow to flow from the lock chamber 1 to the secondary top water storage cabin under the action of pressure difference; after the water storage cabin of the layer is filled with water, the layer control valve 9 is closed;
step 5), operating according to the above steps until the water storage bin at the bottommost layer is full, and closing the layer of control valve 9;
step 6) due to the operations of the steps 3), 4) and 5), the water in the lock chamber 1 sequentially flows into the water storage bins arranged from top to bottom, and the ship position is moved downwards along with the reduction of the liquid level in the lock chamber 1;
and 7) if more water bodies still exist in the lock chamber 1 after the step 6) is finished, opening a water inlet and outlet pipe 8 at the bottom of the lock chamber and a downstream working door 12 of a water delivery system, discharging the redundant water bodies to enable the water level of the lock chamber 1 to be flush with the downstream water level, opening the downstream working door 7 of the lock chamber, enabling the ship to enter a downstream river channel, closing the downstream working door 7 of the lock chamber, and finishing the step that the ship passes downstream.
The use method of the utility model comprises the following steps:
step 8) opening a downstream working door 12 of the water delivery system to control the water level in the reduction lock chamber 1 to be level with the downstream water level,
step 9), opening the downstream working door 7 of the lock chamber, enabling the ship to enter the lock chamber 1, and closing the downstream working door 7 of the lock chamber;
step 10), opening a control valve 9 of the bottommost water storage cabin, and allowing water flow to flow from the water storage cabin to the lock chamber 1 under the action of pressure difference; after all the water in the water storage cabin at the bottommost layer enters the lock chamber, closing the layer of control valve 9;
step 11), opening a control valve 9 of a secondary bottom layer water storage cabin, and enabling water flow to flow from the layer water storage cabin to the lock chamber 1 under the action of pressure difference; closing the layer of control valve 9 after all the water in the layer of cabin enters the lock chamber;
step 12), the operation is carried out according to the above steps, and the control valve 9 at the top layer is closed until the water storage bin at the top layer is full;
step 13) due to the operation of 10), 11) and 12), water in the water storage bins arranged from bottom to top flows into the lock chamber 1 in sequence, and the ship position is lifted along with the lifting of the liquid level in the lock chamber 1;
and 14) if the water in the lock chamber 1 is insufficient after the step 13) is finished, opening a water inlet and outlet pipe 8 at the bottom of the lock chamber and an upstream working door 2 of a water delivery system, supplementing the water in the lock chamber 1 to enable the water level of the lock chamber 1 to be flush with the upstream water level, opening an upstream working door 6 of the lock chamber, enabling the ship to enter an upstream river channel, closing the upstream working door 6 of the lock chamber, and finishing the upstream passing of the ship.
By arranging the water storage cabin, part of water in the lock chamber 1 is collected, and meanwhile, the consumption of concrete in the side wall of the lock chamber 1 can be reduced, so that the effects of optimizing the engineering quantity and reducing the cost are achieved; meanwhile, the dead weight of the lock chamber is reduced, the earthquake inertia force is reduced, and the stability of the lock chamber is further improved.
Through the structural arrangement of water filling and draining in the water storage cabin, the working water heads of the valve and the gate in the ship lock can be reduced, the problem of cavitation of the valve under the high water head is avoided, the equipment type selection requirement is reduced, and the operation safety is improved.
The water storage cabins can be arranged on each layer according to the through water storage cabins, and can also be arranged on each layer according to a plurality of independent water storage cabins, and the volume and the shape can be flexibly selected. Meanwhile, the requirement of the structure size of the lock chamber 1 is combined, the water storage cabin can be arranged on the inner side or the outer side of the lock chamber 1 on the premise of ensuring the absolute elevations of the first layer and the third layer, and the arrangement optimization space is extremely large.
The liquid level sensors are arranged on the side wall of the lock chamber 1 and the upper and lower bottom plates of the water storage cabins and used for judging the relation between the water level in the lock chamber 1 and the water level in each layer of the water storage cabins and further transmitting the opening and closing information of the control valve 9.
Through two kinds of running state analysis, the water storage cabin plays and deposits the water effect when the lock chamber sluices, and the water storage cabin plays the moisturizing effect when the lock chamber fills water, and the equal full load operation in water storage cabin under two kinds of states for the water consumption of ship lock reduces to more than 50% of former design, has improved water resource utilization efficiency.
Taking a 500t ship lock as an example for analysis, the difference between the upstream and downstream navigation water levels is 30m, the effective size in the lock chamber 1 is 120m × 12m × 4m (length × width × draft), the wall thickness of the lock chamber 1 is 12m, and the inner height is 38 m. The water requirement of each operation of the ship lock is 43000m3The water storage cabins are arranged according to four layers initially. When the cross section of the water storage cabin is 8 multiplied by 4m, the total water storage capacity of the water storage cabins at two sides of the lock chamber is 43000m3The water saving efficiency is 30720/43000-71%. Accordingly, the amount of concrete with the same volume can be reduced, and the stability requirement of the side wall of the lock chamber under the earthquake effect is improved.
By combining theoretical analysis, the water recycling rate can be improved by adjusting the arrangement layers of the water storage cabins in the side walls of the lock chamber, and the water saving efficiency can reach 50-100%.
The embodiment is only one of the preferable embodiments of the present invention, and the protection scope of the present invention is not limited thereto, and any changes made without departing from the scope of the present invention are within the coverage of the present invention.
The above description is only a part of the specific embodiments of the present invention (since the embodiments of the present invention cannot be exhaustive, the protection scope of the present invention is based on the description scope of the present invention and other technical essential scope), and the known specific contents or common knowledge in the scheme are not described herein too much. It should be noted that the above-mentioned embodiments do not limit the present invention in any way, and for those skilled in the art, all the technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The ship lock water-saving system is characterized by comprising a lock chamber system, a water delivery system and a water storage system;
the water storage system is arranged on two sides or one side of the lock chamber system; the water delivery system is arranged on two sides of the lower part of the lock chamber system or one side of the lower part of the lock chamber system;
the lock chamber system comprises a lock chamber (1), a lock chamber upstream working door (6), a lock chamber downstream working door (7) and a lock chamber bottom water inlet and outlet pipe (8); the lock chamber upstream working door (6) is arranged at the front end of the lock chamber (1); the downstream working door (7) of the lock chamber is arranged at the rear end of the lock chamber (1); the water inlet and outlet pipe (8) at the bottom of the lock chamber is arranged at the bottom of the lock chamber (1);
the water delivery system comprises an upstream working door (2) of the water delivery system, a water delivery gallery (10) and a downstream working door (12) of the water delivery system; the height of the upstream working door (2) of the water delivery system is greater than that of the downstream working door (12) of the water delivery system; a water delivery gallery (10) is arranged between the upstream working door (2) of the water delivery system and the downstream working door (12) of the water delivery system; the water delivery gallery (10) is connected with a water inlet pipe (8) and a water outlet pipe (8) at the bottom of the lock chamber;
the water storage system comprises a communication pipeline (11) and water storage units arranged in multiple layers, and the communication pipeline (11) is arranged from top to bottom; each layer of water storage unit comprises a water storage bin, a control valve (9) and a water storage bin branch pipe (13); the water storage bin branch pipe (13) is arranged at the bottom of the water storage bin, and the water storage bin branch pipe (13) is provided with a control valve (9); joints are arranged at different heights of the communicating pipeline (11) and are respectively connected with the branch pipes (13) of the water storage bin on each layer.
2. The ship lock water saving system of claim 1, wherein the number of the water storage units is 2 or more.
3. The ship lock water saving system of claim 1, wherein the height difference between the top surface of the uppermost water storage tank and the highest water level in the lock chamber (1) of the water storage tanks in the multi-story water storage unit is greater than or equal to the height of the water storage tank.
4. The ship lock water saving system of claim 1, wherein the water storage tanks in the multi-story water storage unit have a height difference between the bottom surface of the lowest water storage tank and the lowest water level in the lock chamber (1) which is greater than or equal to the height of the water storage tank.
5. The ship lock water saving system of claim 1, wherein the water storage system is symmetrically arranged when being arranged at both sides of the lock chamber system.
6. The ship lock water saving system of claim 1, wherein the water delivery system is symmetrically disposed when disposed at both sides of the lower portion of the lock chamber system.
7. The ship lock water saving system according to claim 1, characterized in that level sensors are arranged on the water storage bin and the lock chamber (1).
8. The ship lock water saving system according to claim 7, wherein the control valve (9) is an electric control valve and is connected with a computer terminal; the liquid level sensor is also connected with the computer terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120061002.7U CN214423330U (en) | 2021-01-11 | 2021-01-11 | Ship lock water-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120061002.7U CN214423330U (en) | 2021-01-11 | 2021-01-11 | Ship lock water-saving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214423330U true CN214423330U (en) | 2021-10-19 |
Family
ID=78055233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120061002.7U Active CN214423330U (en) | 2021-01-11 | 2021-01-11 | Ship lock water-saving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214423330U (en) |
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2021
- 2021-01-11 CN CN202120061002.7U patent/CN214423330U/en active Active
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