CN113789771B - Ship chamber maintenance draining and water filling system and method of ship lift - Google Patents

Ship chamber maintenance draining and water filling system and method of ship lift Download PDF

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Publication number
CN113789771B
CN113789771B CN202111076662.3A CN202111076662A CN113789771B CN 113789771 B CN113789771 B CN 113789771B CN 202111076662 A CN202111076662 A CN 202111076662A CN 113789771 B CN113789771 B CN 113789771B
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China
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water
pipeline
ship
gap
chamber
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CN113789771A (en
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闫晓青
齐俊麟
汤伟毕
金锋
李然
陈冬元
王向东
袁松
彭享文
黄晓欢
肖前
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Three Gorges Navigation Authority
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Three Gorges Navigation Authority
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02C—SHIP-LIFTING DEVICES OR MECHANISMS
    • E02C1/00—Locks or dry-docks; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass
    • E02C1/06—Devices for filling or emptying locks
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02C—SHIP-LIFTING DEVICES OR MECHANISMS
    • E02C1/00—Locks or dry-docks; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass
    • 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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  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lift Valve (AREA)

Abstract

A ship lift chamber maintenance draining and water filling system and method thereof mainly comprises: the ship chamber gap water filling and discharging and water depth adjusting system, the water supply system, the water discharging system and the ship chamber water filling and discharging butt joint device. And the water supply system and the water discharge system are communicated with the ship chamber gap water filling and discharging system and the water depth adjusting system through the ship chamber water filling and discharging butt joint device. The water supply system comprises a water intake, a water supply pipeline, a water inlet maintenance gate valve, a water inlet piston type flow regulating valve, a plurality of manual butterfly valves and a water drainage piston type flow regulating valve. The drainage system comprises a drainage pipeline, a drainage piston type flow regulating valve, a water collecting well and the like. The invention provides a ship lift cabin overhaul draining and water filling system and a method thereof, which realize the ship cabin overhaul draining and water filling processes by designing a water supply system, a water draining system and a water replenishing and draining butt joint device which are matched with a ship cabin water filling and draining and water depth adjusting system, and have the characteristics of high integration level, convenient system installation and overhaul and the like.

Description

Ship chamber maintenance draining and water filling system and method of ship lift
Technical Field
The invention relates to the field of maintenance of ship lift chamber equipment of a hub navigation building, in particular to a ship lift chamber maintenance draining and water filling system and a method thereof.
Background
The ship lift is a navigation building constructed by ships through channels in order to overcome the concentrated water level difference of the channels, and the ships need to be communicated with a cabin water body of the ship lift through the channels when passing through the ship lift. When the ship lift chamber equipment needs to be overhauled, the ship lift is required to be stopped in a navigation mode, the chamber water body is drained, then the equipment is overhauled, and after the equipment is overhauled, the ship chamber is filled with water and debugged, and then the navigation operation is recovered.
The patent with the application number of '201811384671.7' relates to a water replenishing and draining system and a water replenishing and draining method for a ship lift cabin, and is an invention patent which is issued by the company in 2018. This patent suffers from the following drawbacks:
1) The invention relates to a cabin water replenishing and draining method in a patent with the application number of '201811384671.7', which is a process for performing cabin water replenishing and draining by aiming at a specific cabin water replenishing and draining butt joint device, and does not relate to a water supply system and a water draining system, in particular to a water draining system completely.
Disclosure of Invention
The invention aims to solve the technical problem of providing a ship lift cabin maintenance draining and water filling system and a method thereof, which realize the ship cabin maintenance draining and water filling process and have the characteristics of high integration level, convenient system installation and maintenance and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a ship lift cabin overhaul draining and water filling system comprises a cabin gap water filling and draining and water depth adjusting system, a water supply system, a drainage system and a cabin water filling and draining butt joint device; the water supply system and the drainage system are both communicated with a ship chamber gap filling and draining water and a water depth adjusting system through a ship chamber water supply and drainage butt joint device;
the water depth adjusting system comprises a P1 pipeline, a P2 pipeline, a P3 pipeline, a P4 pipeline, a P5 pipeline and a P6 pipeline;
the P1 pipeline penetrates through the bottom of the ship chamber, one end of the P1 pipeline is provided with an upstream gap water port, the other end of the P1 pipeline is provided with a downstream gap water port, and the upstream gap water port and the downstream gap water port extend into the bottom of the chamber head groove and are connected with a sealed water channel at the bottom of the chamber head groove;
the P2 pipelines and the P3 pipelines are arranged in cavities of two main longitudinal beams of the ship chamber structure in an anti-symmetric manner, the P2 pipelines are arranged on the upstream side of the ship chamber, and the P3 pipelines are arranged on the downstream side of the ship chamber; one end of the P2 pipeline is provided with an upstream clearance water port, the other end of the P3 pipeline is provided with an upstream ship chamber water port, one end of the P3 pipeline is provided with a downstream clearance water port, and the other end of the P3 pipeline is provided with a downstream ship chamber water port;
the P4 pipeline communicates the upstream gap water port end of the P2 pipeline with the upstream gap water port end of the P1 pipeline;
the P5 pipeline communicates the downstream clearance water port end of the P3 pipeline with the downstream clearance water port end of the P1 pipeline;
one end of the P6 pipeline is communicated with the upstream of the P1 pipeline, and the other end of the P6 pipeline is communicated or disconnected with the ship chamber water supply and drainage butt joint device;
the water supply system comprises a water supply pipeline, the water supply pipeline is horizontally and vertically arranged on a lock wall at the inner side of a tower column of the ship lift, and a water inlet working gate valve, a manual butterfly valve and a drainage piston type flow regulating valve are arranged on the water supply pipeline;
the drainage system comprises a drainage pipeline, one end of the drainage pipeline is communicated with a drainage piston type flow regulating valve of the water supply system, the other end of the drainage pipeline is connected with a water collecting well, the water collecting well is the lowest elevation of the ship lift building, and the water body is discharged to a downstream channel through a drainage pump;
the ship chamber water supply and drainage butt joint device comprises a vertical direction stroke adjusting mechanism, a horizontal direction stroke adjusting mechanism, an angle and stroke deviation compensating mechanism and a connecting hose. The vertical direction stroke adjusting mechanism realizes the lifting motion of a lifting platform in the mechanism by rotating a first hand wheel, and adjusts the height of the connecting hose in the vertical direction; the device is characterized in that a horizontal stroke adjusting mechanism is installed on the lifting platform, horizontal extension and retraction of a supporting plate in the mechanism are realized by rotating a second hand wheel, the horizontal angle of a connecting hose is adjusted, an angle and stroke deviation compensating mechanism is installed on the supporting plate, and a shock absorbing joint in the angle and stroke deviation compensating mechanism is connected with a water replenishing and draining joint of a ship lift cabin.
And a V1 electric butterfly valve and a V8 electric butterfly valve are arranged on the P1 pipeline close to the upstream gap water gap and the downstream gap water gap.
V2 electric butterfly valve, V3 electric butterfly valve, V4 electric butterfly valve, V5 electric butterfly valve, first check valve, first exhaust valve, V6 electric butterfly valve, second check valve, first depth of water regulating pump, first manual butterfly valve are installed in proper order on the P2 pipeline between from upstream end clearance mouth of a river to the upstream end ship railway carriage or compartment mouth of a river.
And a V9 electric butterfly valve, a V10 electric butterfly valve, a V11 electric butterfly valve, a V12 electric butterfly valve, a third check valve, a second exhaust valve, a V13 electric butterfly valve, a fourth check valve, a second water depth adjusting water pump and a second manual butterfly valve are sequentially arranged on the P3 pipeline from the downstream clearance water gap to the downstream ship chamber water gap.
And a water level detection system is arranged in the ship chamber gap water filling and discharging and water depth adjusting system and comprises a plurality of sets of pressure type water level meters, a plurality of sets of first pressure type water level meters are symmetrically arranged on two sides in the ship chamber at equal intervals, and a plurality of sets of second pressure type water level meters are arranged in a water collecting well of the drainage system.
The water supply pipeline is provided with a water inlet overhaul gate valve at the front end, and the top of the vertical section of the water supply pipeline is provided with an exhaust valve.
A ship lift cabin maintenance draining method comprises the following steps:
step 1): the ship chamber of the ship lift runs to the lowest elevation allowed by design, the ship chamber driving system is stopped, and the ship chamber is in a locked state;
step 2): adjusting the position of the ship chamber water replenishing and draining butt joint device, communicating one end of the ship chamber water replenishing and draining butt joint device with a manual butterfly valve with a proper height through a flange, and communicating the other end of the ship chamber water replenishing and draining butt joint device with a V7 electric butterfly valve on a P6 pipeline through a flange;
step 3): opening a V7 electric butterfly valve and a manual butterfly valve on a P6 pipeline, checking the connection and sealing conditions of the pipeline, if the pipeline has a water leakage phenomenon, checking and sealing the pipeline again, and if the connection and sealing performance of the pipeline is good, performing the next step;
and step 4): adjusting the operation mode of the ship chamber gap water filling and water depth adjusting system to an overhauling operation mode, opening a V3 electric butterfly valve, a V4 electric butterfly valve, a V10 electric butterfly valve and a V11 electric butterfly valve on a P2 pipeline and a P3 pipeline respectively while operating, opening a first manual butterfly valve on the P2 pipeline and a second manual butterfly valve on the P3 pipeline, then opening a drainage piston type flow adjusting valve, starting drainage of the ship chamber, and adjusting the drainage speed by adjusting the opening of the drainage piston type flow adjusting valve;
and step 5): the water level values of a plurality of sets of second pressure type water level meters arranged in a water collecting well of the drainage system are monitored in the drainage process, the water depth of the water collecting well reaches the designed water level of a starting drainage pump, and the drainage pump starts to pump water normally. Wherein h is 1 Water level of water collecting well is less than or equal to h 2 When the water pump is started, starting a drainage pump; when h is 2 Water level of water collecting well is less than or equal to h 3 When the water is discharged, the two draining pumps are started; when h is generated 3 H is less than or equal to water level of water collecting well 4 Starting three draining pumps, and so on; when the water level of the water collecting well is less than h, the plurality of draining pumps are shut down, and the water level of the water collecting well reaches h 1 When the system is used, a plurality of drainage pumps are started alternately;
step 6): when water in the ship chamber drains to the ship chamber butt joint locking mechanism and the safety mechanism to act and take effect, the whole action flow of the ship chamber butt joint locking mechanism and the safety mechanism is focused on, after a rotating screw of the ship chamber safety mechanism is locked with a nut column, whether the rotating screw of the ship chamber safety mechanism slides relative to the nut column or not is regularly observed, and if the rotating screw slides relative to the nut column, an emergency measure is taken for treatment;
step 7): after the water in the ship chamber is drained, closing a V3 electric butterfly valve, a V4 electric butterfly valve, a V10 electric butterfly valve and a V11 electric butterfly valve on the P2 pipeline and a P3 pipeline, wherein a first manual butterfly valve on the P2 pipeline and a second manual butterfly valve on the P3 pipeline are normally opened;
step 8): closing the V7 electric butterfly valve and the water discharge piston type flow control valve on the P6 pipeline, removing the connection of the cabin water supply and discharge butt joint device with the manual butterfly valve and the V7 electric butterfly valve, regularly inspecting the states of the rotating screw rod and the nut column of the cabin safety mechanism, and finishing the cabin maintenance and drainage flow.
A method for draining and filling water in the maintenance of a ship chamber of a ship lift comprises the following steps:
step 1): after the equipment in the ship chamber is overhauled, and the cleaning of tools, materials, sundries and the like in the ship chamber is finished, the ship chamber is ready to be filled with water;
step 2): adjusting the position of the ship chamber water replenishing and draining butt joint device, communicating one end of the ship chamber water replenishing and draining butt joint device with a manual butterfly valve with a proper height through a flange, and communicating the other end of the ship chamber water replenishing and draining butt joint device with a V7 electric butterfly valve on a P6 pipeline through a flange;
and step 3): adjusting the operation mode of the ship chamber gap water filling and draining and water depth adjusting system to an overhauling operation mode, and simultaneously opening a V3 electric butterfly valve, a V4 electric butterfly valve, a V5 electric valve, a V6 electric valve on the P2 pipeline and a V10 electric butterfly valve, a V11 electric butterfly valve, a V12 electric valve and a V13 electric valve on the P3 pipeline;
step 4): opening a water inlet overhaul gate valve and a water inlet piston type flow regulating valve of a water supply system, filling water and exhausting gas for a water supply pipeline, finally opening a manual butterfly valve and a V7 electric butterfly valve on a P6 pipeline, starting filling water in a ship chamber, and regulating the water filling speed by regulating the water inlet piston type flow regulating valve;
step 5): a plurality of sets of first pressure type water level meters are symmetrically arranged at equal intervals on two sides in the ship chamber to monitor the water level of the ship chamber and record the water level;
step 6): when the water level of the ship chamber reaches the designed water depth, the ship chamber safety mechanism is observed to act, after the safety mechanism is reset, the water inlet piston type flow regulating valve is closed, and then the manual butterfly valve and the V7 electric butterfly valve on the P6 pipeline are closed in sequence;
step 7): after the water filling is finished, the positions of the safety mechanism and the locking mechanism are adjusted, 4 driving point liquid-gas spring limit switches are removed, position marks are made, a ship cabin control room is logged in an in-situ control station maintenance mode, a maintenance mode single system operates 4 driving point liquid-gas springs to be pressurized, and whether the safety mechanism screw teeth are restored to the middle positions of the nut post screw teeth or not is observed on site while the liquid-gas springs are pressurized;
step 8): pressurizing the liquid-gas spring to the proper position, observing the positions of the screw teeth of the safety mechanism and the screw teeth of the nut column, and installing 4 driving point liquid-gas spring limit switches back according to the marked positions;
step 9): the maintenance mode single system operates 4 driving points to dock the locking mechanism and unlock, check whether the screw thread of the rotating screw of the safety mechanism recovers to the middle position of the screw thread of the nut column, if not, repeatedly execute the actions of locking and unlocking of the docking locking mechanism until the screw thread of the rotating screw of the safety mechanism recovers to the middle position of the screw thread of the nut column;
step 10): checking travel deviations of four driving points of the ship chamber, and if the travel deviations exceed a design value, adjusting according to a ship chamber posture adjustment process flow;
step 11): and after the leveling of the ship chamber is finished, all the on-site stations are adjusted to a centralized control mode, the ship chamber is operated in the centralized control mode to carry out upstream and downstream butt joint once respectively, and the water filling process of the ship chamber is finished.
The invention relates to a ship lift chamber maintenance draining and water filling system and a method thereof, which have the following technical effects:
1) The invention is based on the ship lift cabin structure and equipment arrangement, the cabin gap water filling and discharging and water depth adjusting system is matched with the water supply system and the water discharging system for use, and the water filling and discharging butt joint device is utilized to realize the cabin maintenance draining and water filling processes, and the system has the characteristics of high integration level, convenient system installation and maintenance and the like.
2) The ship lift cabin draining and water filling system is designed as a hot standby system, when the ship lift operates normally, the cabin gap water filling and draining and water depth adjusting system is disconnected with the water supply system and the water draining system, and the ship cabin gap water filling and draining and water depth adjusting system performs the functions of gap water filling and water depth adjusting when the ship lift is in butt joint with the lock head. When the ship compartment needs to be drained and overhauled, the water supply system, the drainage system and the water filling and draining and water depth adjusting system are communicated through the water filling and draining and water depth adjusting system butt joint device, and the ship compartment is drained and filled through corresponding valves of the switch. The equipment utilization rate is improved, and the cost investment of the ship lift maintenance equipment is greatly reduced.
3) The water inlet piston type flow regulating valve and the water discharge piston type flow regulating valve are arranged at the front end and the terminal of the water supply system, flow can be accurately controlled in the ship chamber draining and water filling process, ship chamber draining and water filling efficiency, stress release of a ship chamber draining metal structure and slow loading of a ship chamber water filling metal structure are considered, the ship chamber structure is prevented from being damaged due to ship chamber draining and water filling, and draining and water filling efficiency is effectively guaranteed.
4) The ship chamber water replenishing and discharging butt joint device can realize butt joint of ship chamber water replenishing and discharging with a water depth adjusting system, a water supply system and a water discharging system when the ship chamber is stopped at any elevation through adjustment of the main hoisting mechanism, the transverse adjusting mechanism, the fine adjusting hoisting mechanism, the longitudinal adjusting mechanism and the like, also has a ship chamber emergency water replenishing and discharging function, and has the characteristics of wide application range, convenience in operation and the like.
5) According to the invention, the water level detection system is arranged in the water collecting well of the drainage system, so that the automatic detection of the water level of the water collecting well is realized, the drainage pumps with different quantities are started according to different water levels of the water collecting well, the automation level of the drainage system is improved, and the optimal pumping working condition of the drainage pumps is ensured.
6) The ship chamber gap water filling and draining system and the water depth adjusting system are communicated through a plurality of pipelines, a plurality of electric butterfly valves, a plurality of exhaust valves, a plurality of check valves, 2 gap water pumps and 2 water depth adjusting water pumps through flanges, the ship lift operates through switching on and off different electric butterfly valves, the gap water pumps and the water depth adjusting water pumps, one set of system realizes multiple functions of ship lift chamber gap water filling, gap water draining, pipeline gap water pumping, ship chamber water replenishing, ship chamber water draining and the like, and the ship lift has the characteristics of high system integration level, compact structural arrangement, cost saving, high efficiency and the like.
7) The ship lift cabin gap water filling and discharging and water depth adjusting system is arranged on an upstream system and a downstream system, the two systems work simultaneously during normal operation, the efficiency is improved, partial equipment of the system can be mutually standby when in failure, and a single system operates, so that the reliability and the safety of the operation of the ship lift are improved.
8) The drainage system and the water filling system are respectively provided with the maintenance valve, the valves in the drainage system and the water filling system or the drainage pump can be conveniently disassembled for maintenance when faults occur, and other systems do not need to be stopped during maintenance. The drainage system and the water filling system are also provided with a pressure reducing valve and an exhaust valve, so that the impact of water flow on the valve and the water pump can be reduced.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
Figure 2 is a schematic diagram of the drainage system of the present invention.
Figure 3 is a schematic diagram of the drainage system of the present invention.
FIG. 4 is a schematic diagram of a system for filling water into the ship chamber and adjusting water depth.
Fig. 5 is a layout diagram of the water level detection system of the ship chamber of the invention.
Fig. 6 is a front view of the water supply and drainage docking device of the ship chamber.
Fig. 7 is the left side view of the ship box water supply and drainage butt joint device of the invention.
Figure 8 is a schematic view of the structure of the ship chamber of the invention.
Fig. 9 is a schematic view showing the working state of the water filling and depth adjusting system in the cabin gap (cabin drainage) during the cabin water filling of the present invention.
Fig. 10 is a schematic view showing the operation state of the ship chamber gap water filling and water depth adjusting system (ship chamber water filling) during the ship chamber water discharging of the present invention.
FIG. 11 is a schematic view of the working state of the docking device for water supply and drainage of the ship chamber during water supply.
FIG. 12 is a schematic view of the working state of the docking device for water supply and drainage of the ship chamber during drainage.
Detailed Description
As shown in fig. 1, a ship lift chamber service draining and filling system includes: the ship chamber gap water filling and discharging and water depth adjusting system 1, the water supply system 2, the water discharging system 3 and the ship chamber water filling and discharging butt joint device 4. The water supply system 2 and the drainage system 3 are both communicated with the ship chamber gap filling and draining water and the water depth adjusting system 1 through a ship chamber water supply and drainage butt joint device 4.
As shown in fig. 4, specifically, the cabin gap water filling and depth adjusting system 1 is disposed in the cabin bottom and the main stringers on both sides, and includes a P1 pipeline 101, a P2 pipeline 102, a P3 pipeline 103, a P4 pipeline 104, a P5 pipeline 105, and a P6 pipeline 106. The P1 pipeline 101, the P2 pipeline 102, the P3 pipeline 103, the P4 pipeline 104, the P5 pipeline 105, the P6 pipeline 106, a plurality of electric butterfly valves, a plurality of check valves, 2 water depth adjusting water pumps, a gap water port, a ship chamber water port 1012 and 2 manual butterfly valves are communicated through flanges.
The P1 pipeline 101 penetrates through the bottom of the ship chamber, the two ends of the P1 pipeline 101 are provided with gap water openings, and the gap water openings at the two ends of the ship chamber are connected with the sealed water channel at the bottom of the chamber head groove. The two gap water gaps are respectively an upstream gap water gap 1011-1 and a downstream gap water gap 1011-2. A V1 electric butterfly valve 107-01 and a V8 electric butterfly valve 107-08 are sequentially arranged on the P1 pipeline 101 between the upstream gap water gap 1011-1 and the downstream gap water gap 1011-2, one end of a P6 pipeline 106 is communicated with the upstream of the P1 pipeline 101, the other end of the P6 pipeline extends to the outer side of the main longitudinal beam on the south side of the ship compartment, and the end part of the P1 pipeline is provided with a V7 electric butterfly valve 107-07.
The P2 pipeline 102 and the P3 pipeline 103 are arranged in the cavity of the main longitudinal beams of the ship chamber structure in an anti-symmetric mode.
The P2 pipeline 102 is arranged on the upstream side of the ship chamber, one end of the P2 pipeline 102 is an upstream gap water gap 1011-1, and the other end is an upstream ship chamber water gap 1012-1. A V2 electric butterfly valve 107-02, a V3 electric butterfly valve 107-03, a V4 electric butterfly valve 107-04, a V5 electric butterfly valve 107-05, a first check valve 108-01, a first exhaust valve 109-01, a V6 electric butterfly valve 107-06, a second check valve 108-02, a first water depth adjusting water pump 1010-01 and a first manual butterfly valve 1014-01 are sequentially arranged between the upstream end gap water gap 1011-1 and the upstream end ship chamber water gap 1012-1 of the P2 pipeline 102.
The P3 pipeline 103 is arranged at the downstream side of the ship compartment, one end of the P3 pipeline 103 is a downstream gap water gap 1011-2, and the other end is a downstream ship compartment water gap 1012-2. V9 electric butterfly valve 107-09, V10 electric butterfly valve 107-10, V11 electric butterfly valve 107-11, V12 electric butterfly valve 107-12, third check valve 108-03, second exhaust valve 109-02, V13 electric butterfly valve 107-13, fourth check valve 108-04, second water depth adjusting water pump 1010-02 and second manual butterfly valve 1014-02 are sequentially arranged between the downstream clearance water gap 1011-2 and the downstream ship chamber water gap 1012-2 of the P3 pipeline 103.
The P4 pipeline 104 is used for communicating the upstream gap water gap 1011-1 end of the P2 pipeline 102 with the upstream gap water gap 1011-1 end of the P1 pipeline 101.
The P5 pipeline 105 is used for communicating the downstream gap water gap 1011-2 end of the P3 pipeline 103 with the downstream gap water gap 1011-2 end of the P1 pipeline 101.
As shown in fig. 3 and 5, the water level detecting system 1013 includes 16 sets of pressure type water level gauges, 14 sets of first pressure type water level gauges 1013-01 are symmetrically arranged at equal intervals on two sides in the ship compartment, and 2 sets of second pressure type water level gauges 1013-02 are arranged in the water collecting well 302 of the drainage system 3.
The first check valve 108-01, the second check valve 108-02, the third check valve 108-03 and the fourth check valve 108-04 which are arranged on the P2 pipeline 102 and the P3 pipeline 103 can realize one-way flow of water in the pipelines, so that the water backflow or water hammer damage to the water depth adjusting water pump is avoided.
The first exhaust valve 109-01 and the second exhaust valve 109-02 which are arranged on the P2 pipeline 102 and the P3 pipeline 103 can exhaust air in the P2 pipeline 102 and the P3 pipeline 103, so that the draining and water filling time is shortened, and the draining and water filling efficiency of the ship chamber is improved.
The first manual butterfly valve 1014-01 and the second manual butterfly valve 1014-02 installed on the P2 pipeline 102 and the P3 pipeline 103 and the water inlet service gate valve 203 arranged on the water supply system 2 are in a normally open state when the ship lift operates normally. When the water inlet piston type flow regulating valves 204, the manual butterfly valves 205, the water discharge piston type flow regulating valves 206 and the like on the P2 pipelines 102 and the P3 pipelines 103 need to be dismantled and overhauled, the first manual butterfly valves 1014 or the water inlet overhauling gate valves 203 are closed, the valves and the water pumps can be overhauled quickly without draining the water in the ship compartment, and the overhauling efficiency is improved.
As shown in fig. 1, the water supply system 2 includes a water intake 201, a water supply pipeline 202, a water intake maintenance gate valve 203, a water intake piston type flow control valve 204, a plurality of manual butterfly valves 205, a water discharge piston type flow control valve 206 and an exhaust valve 207, the water supply pipeline 202 is horizontally and vertically arranged on the inner gate wall of the tower column of the ship lift, the water supply pipeline 202 is communicated with the valves, the water intake maintenance gate valve 203 is located at the front end of the system, the water intake working gate valve 204 is arranged next to the water intake maintenance gate valve 203, the water discharge piston type flow control valve 206 is arranged at the tail end of the water supply system, the exhaust valve 207 is located at the top of the vertical section of the water supply pipeline 202, and the manual butterfly valves 205 are uniformly distributed on the water supply pipeline 202 between the water intake piston type flow control valve 204 and the water discharge piston type flow control valve 206.
The intake port 201 of the water supply system 2 takes pure water from a water plant or reservoir and leads to the top of the tower of the ship lift through a water supply line 202, and the piston-type flow regulating valve 206 regulates the flow of the water discharge line 301 in communication with the water supply line 202 vertically arranged on the lock wall inside the tower of the ship lift.
As shown in fig. 2-3, the drainage system 3 includes a drainage pipe 301, a water collection well 302, a plurality of drainage pumps 303, an inspection valve 304, a pressure reducing valve 305 and a drainage port 306, wherein the drainage pipe 301 is in flange communication with the drainage piston type flow control valve 206 of the water supply system 2 to drain the compartment to the water collection well 302, the water collection well 302 is at the lowest elevation of the ship lift building, and water flows through the inspection valve 304, the pressure reducing valve 305 and finally to the downstream channel through the drainage port 306 by the plurality of drainage pumps 303.
As shown in fig. 6, the docking device 4 for water supply and drainage of the ship compartment comprises a vertical stroke adjusting mechanism 401, a horizontal stroke adjusting mechanism 402, an angle and stroke deviation compensating mechanism 403 and a connecting hose 404. The vertical direction stroke adjusting mechanism 401 realizes the lifting motion of a lifting platform 4012 in the mechanism by rotating a first hand wheel 4011, and adjusts the height of the connecting hose 404 in the vertical direction; a horizontal stroke adjusting mechanism 402 is installed on the lifting platform 4012, the second hand wheel 4021 is rotated to horizontally stretch and retract a supporting plate 4022 in the mechanism, the horizontal angle of a connecting hose is adjusted, an angle and stroke deviation compensating mechanism 403 is installed on the supporting plate 4022, and a shock absorbing joint 4031 in the angle and stroke deviation compensating mechanism 403 is connected with a ship supply and drainage joint of a ship lift cabin.
Example 1:
referring to fig. 1-7 and 9, a method for chamber draining using a ship lift chamber service draining and water filling system is described in detail, comprising the following steps:
step 1): the ship chamber of the ship lift runs to the lowest elevation of 62m allowed by design, the ship chamber driving system is stopped, and the ship chamber is in a locked state;
step 2): adjusting the position of the ship chamber water replenishing and draining butt joint device, and communicating one end of the ship chamber water replenishing and draining butt joint device with a manual butterfly valve 205 with a proper elevation through a flange, and communicating the other end of the ship chamber water replenishing and draining butt joint device with a V7 electric butterfly valve 107-07 on a P6 pipeline 106 through a flange;
step 3): opening the V7 electric butterfly valve 107-07 and the manual butterfly valve 205 on the P6 pipeline 106, checking the pipeline connection sealing condition, if the pipeline has a water leakage phenomenon, checking the pipeline again for sealing, and if the pipeline connection sealing performance is good, performing the next step;
step 4): adjusting the operation mode of the ship chamber gap water filling and water depth adjusting system 1 to an overhauling operation mode, simultaneously opening a V3 electric butterfly valve 107-03 on a P2 pipeline 102, a V4 electric butterfly valve 107-04 and a V10 electric butterfly valve 107-10 and a V11 electric butterfly valve 107-11 on a P3 pipeline 103, opening a first manual butterfly valve 1014-01 on the P2 pipeline 102 and a second manual butterfly valve 1014-02 on the P3 pipeline 103, then opening a drainage piston type flow adjusting valve 206, starting drainage of the ship chamber, and adjusting the drainage speed by adjusting the opening degree of the drainage piston type flow adjusting valve 206;
step 5): in the drainage process, the water level value of 2 sets of pressure type water level meters 1013-02 arranged in a water collection well of a drainage system is mainly monitored, the water depth of the water collection well reaches the water level of a designed starting drainage pump 303, the drainage pump 303 is normally started to pump water, and when the water level of the water collection well is not less than 3.5m and is less than 4m, one drainage pump 303 is started; when the water level of the water collecting well is more than or equal to 4m and less than 6m, starting the two draining pumps 303; when the water level of the water collecting well is less than or equal to 6m, three draining pumps 303 are started; when the water level of the water collecting well is less than 2.5m, the three draining pumps 303 are shut down, and when the water level of the water collecting well reaches 3.5m, the three draining pumps 303 are started alternately;
step 6): when water in the ship chamber is drained to the ship chamber butt joint locking mechanism and the safety mechanism to act and take effect, the whole process of the action of the ship chamber butt joint locking mechanism and the safety mechanism is focused on, after a rotating screw rod of the ship chamber safety mechanism is locked with a nut column, whether the rotating screw rod of the ship chamber safety mechanism slides relative to the nut column or not is regularly observed, and if the rotating screw rod of the ship chamber safety mechanism slides relative to the nut column, an emergency measure is taken for treatment;
step 7): after the water in the ship chamber is drained, closing the V3 electric butterfly valve 107-03, the V4 electric butterfly valve 107-04 on the P2 pipeline 102, the V10 electric butterfly valve 107-10 and the V11 electric butterfly valve 107-11 on the P3 pipeline 103, and keeping the first manual butterfly valve 1014-01 on the P2 pipeline 102 and the second manual butterfly valve 1014-02 on the P3 pipeline 103 in a normally open state;
step 8): closing the V7 electric butterfly valve 107-07 and the drainage piston type flow regulating valve 206 on the P6 pipeline 106, removing the cabin water replenishing and draining butt joint device 4 and the manual butterfly valve 205, connecting the V7 electric butterfly valve 107-07, regularly inspecting the states of a rotating screw and a nut column of the cabin safety mechanism, and finishing the cabin maintenance and draining process.
Example 2:
referring to fig. 1-7 and 8, a detailed description will be made of a method for filling a ship chamber with water by using a ship lift chamber maintenance draining and filling system, which comprises the following steps:
step 1): after the equipment in the ship chamber is overhauled, the cleaning of tools, materials, sundries and the like in the ship chamber is finished, and the ship chamber is ready to be filled with water;
step 2): adjusting the position of the ship chamber water supply and drainage butt joint device 4, and communicating one end of the ship chamber water supply and drainage butt joint device 4 with a manual butterfly valve 205 with a proper elevation through a flange, and communicating the other end of the ship chamber water supply and drainage butt joint device 4 with a V7 electric butterfly valve 107-07 on a P6 pipeline 106 through a flange;
step 3): adjusting the operation mode of the cabin gap water filling and water depth adjusting system 1 to a maintenance operation mode, and simultaneously opening a V3 electric butterfly valve 107-03, a V4 electric butterfly valve 107-04, a V5 electric valve 107-05, a V6 electric valve 107-06 on a P2 pipeline 102 and a V10 electric butterfly valve 107-10, a V11 electric butterfly valve 107-11, a V12 electric valve 107-12 and a V13 electric valve 107-13 on a P3 pipeline 103;
step 4): opening a water inlet overhaul gate valve 203 and a water inlet piston type flow regulating valve 204 of the water supply system 2, filling water and exhausting gas to a water supply pipeline 202, finally opening a manual butterfly valve 205 and a V7 electric butterfly valve 107-07 on a P6 pipeline 106, starting filling water to a ship chamber, and regulating the water filling speed by regulating the water inlet piston type flow regulating valve 204;
step 5): the water level of the ship chamber is monitored and recorded by observing that 14 sets of pressure type water level meters 1013-01 are symmetrically arranged at equal intervals on the two sides in the ship chamber;
step 6): when the water level of the ship chamber reaches the designed water depth, the operation of the ship chamber safety mechanism is observed, after the safety mechanism is reset, the water inlet piston type flow regulating valve 204 is closed, and then the manual butterfly valve 205 and the V7 electric butterfly valve 107-07 on the P6 pipeline 106 are closed in sequence;
step 7): after the water filling is finished, the positions of the safety mechanism and the locking mechanism are adjusted, 4 driving point liquid-gas spring limit switches are removed (the safety mechanism acts after the water in the ship chamber is drained, the ship chamber moves upwards, and the limit switches cannot automatically reset), and position marks are made;
step 8): pressurizing the liquid-gas spring to the proper position, observing the positions of the screw teeth of the safety mechanism and the screw teeth of the nut column, and installing 4 driving point liquid-gas spring limit switches back according to the marked positions;
step 9): the maintenance mode single system operates 4 driving point butt joint locking mechanisms to unlock, checks whether the screw teeth of the rotating screw of the safety mechanism are recovered to the middle position of the screw teeth of the nut column, if the middle position is not recovered, repeatedly executes the locking and unlocking actions of the butt joint locking mechanism until the screw teeth of the rotating screw of the safety mechanism are recovered to the middle position of the screw teeth of the nut column;
step 10): checking travel deviations of four driving points of the ship chamber, and if the travel deviations exceed a design value, adjusting according to a ship chamber posture adjustment process flow;
step 11): and after the leveling of the ship chamber is finished, all the on-site stations are adjusted to a centralized control mode, the ship chamber is operated in the centralized control mode to carry out upstream and downstream butt joint once respectively, and the water filling process of the ship chamber is finished.

Claims (3)

1. The utility model provides a ship lift cabin overhauls drainage and water filling system which characterized in that: comprises a ship chamber gap water filling and discharging and water depth adjusting system (1), a water supply system (2), a water discharging system (3) and a ship chamber water filling and discharging butt joint device (4); the water supply system (2) and the drainage system (3) are communicated with the ship chamber gap filling and draining water and the water depth adjusting system (1) through a ship chamber water supply and drainage butt joint device (4);
the ship compartment gap water filling and discharging and water depth adjusting system (1) comprises a P1 pipeline (101), a P2 pipeline (102), a P3 pipeline (103), a P4 pipeline (104), a P5 pipeline (105) and a P6 pipeline (106);
the P1 pipeline (101) penetrates through the bottom of the ship chamber, one end of the P1 pipeline (101) is provided with an upstream gap water gap (1011-1), the other end of the P1 pipeline is provided with a downstream gap water gap (1011-2), and the upstream gap water gap (1011-1) and the downstream gap water gap (1011-2) extend into the bottom of the chamber head groove and are connected with a sealed water channel at the bottom of the chamber head groove;
p2 pipelines (102) and P3 pipelines (103) are arranged in cavities of two main stringers of the ship chamber structure in an anti-symmetric manner, the P2 pipelines (102) are arranged on the upstream side of the ship chamber, and the P3 pipelines (103) are arranged on the downstream side of the ship chamber; one end of the P2 pipeline (102) is provided with an upstream clearance water gap (1011-1), the other end is provided with an upstream ship chamber water gap (1012-01), one end of the P3 pipeline (103) is provided with a downstream clearance water gap (1011-2), and the other end is provided with a downstream ship chamber water gap (1012-2);
the P4 pipeline (104) communicates the upstream gap water gap (1011-1) end of the P2 pipeline (102) with the upstream gap water gap (1011-1) end of the P1 pipeline (101);
the P5 pipeline (105) communicates the downstream gap water gap (1011-2) end of the P3 pipeline (103) with the downstream gap water gap (1011-2) end of the P1 pipeline (101);
one end of the P6 pipeline (106) is communicated with the upstream of the P1 pipeline (101), and the other end of the P6 pipeline is communicated or disconnected with the ship chamber water supply and drainage butt joint device (4);
the water supply system (2) comprises a water supply pipeline (202), the water supply pipeline (202) is horizontally and vertically arranged on a lock wall on the inner side of a tower column of the ship lift, a water inlet piston type flow regulating valve (204), a manual butterfly valve (205) and a water discharging piston type flow regulating valve (206) are installed on the water supply pipeline (202), wherein a plurality of manual butterfly valves (205) are uniformly distributed on the water supply pipeline (202) between the water inlet piston type flow regulating valve (204) and the water discharging piston type flow regulating valve (206), and the manual butterfly valves (205) are communicated or disconnected with a ship chamber water supplementing and discharging butt joint device (4);
the drainage system (3) comprises a drainage pipeline (301), one end of the drainage pipeline (301) is communicated with a drainage piston type flow regulating valve (206) of the water supply system (2), the other end of the drainage pipeline is connected with a water collecting well (302), the water collecting well (302) is the lowest elevation of the ship lift building, and the water body is discharged to a downstream channel by the water collecting well (302) through a drainage pump (303);
the ship chamber water supply and drainage docking device (4) comprises a vertical direction stroke adjusting mechanism (401), a horizontal direction stroke adjusting mechanism (402), an angle and stroke deviation compensating mechanism (403) and a connecting hose; the vertical direction stroke adjusting mechanism (401) realizes the lifting motion of a lifting platform (4012) in the mechanism by rotating a first hand wheel (4011), and adjusts the height of the connecting hose in the vertical direction; a stroke adjusting mechanism (402) in the horizontal direction is installed on the lifting platform (4012), the horizontal extension and retraction of a supporting plate (4022) in the mechanism are realized by rotating a second hand wheel (4021), the horizontal angle of a connecting hose is adjusted, an angle and stroke deviation compensating mechanism (403) is installed on the supporting plate (4022), and a shock absorbing joint (4031) in the angle and stroke deviation compensating mechanism (403) is connected with a water replenishing and draining joint of a ship lift cabin;
a V1 electric butterfly valve (107-01) and a V8 electric butterfly valve (107-08) are arranged on the P1 pipeline (101) close to the upstream gap water gap (1011-1) and the downstream gap water gap (1011-2);
a V2 electric butterfly valve (107-02), a V3 electric butterfly valve (107-03), a V4 electric butterfly valve (107-04), a V5 electric butterfly valve (107-05), a first check valve (108-01), a first exhaust valve (109-01), a V6 electric butterfly valve (107-06), a second check valve (108-02), a first water depth adjusting water pump (1010-01) and a first manual butterfly valve (1014-01) are sequentially arranged on the P2 pipeline (102) from an upstream gap water gap (1011-1) to an upstream ship box water gap (1012-01);
a V9 electric butterfly valve (107-09), a V10 electric butterfly valve (107-10), a V11 electric butterfly valve (107-11), a V12 electric butterfly valve (107-12), a third check valve (108-03), a second exhaust valve (109-02), a V13 electric butterfly valve (107-13), a fourth check valve (108-04), a second water depth adjusting water pump (1010-02) and a second manual butterfly valve (1014-02) are sequentially arranged on the P3 pipeline (103) from a downstream clearance water gap (1011-2) to a downstream ship chamber water gap (1012-2).
2. The ship lift chamber service draining and filling system of claim 1, wherein: the water level detection system (1013) is arranged in the ship chamber gap water filling and discharging and water depth adjusting system (1), the water level detection system (1013) comprises a plurality of sets of pressure type water level meters, a plurality of sets of first pressure type water level meters (1013-01) are symmetrically arranged on two sides in the ship chamber at equal intervals, and a plurality of sets of second pressure type water level meters (1013-02) are arranged on a water collecting well (302) of the drainage system (3).
3. The ship lift chamber service draining and filling system of claim 1, wherein: a water inlet overhaul gate valve (203) is arranged at the front end of the water supply pipeline (202); an exhaust valve (207) is installed at the top of the vertical section of the water supply pipeline (202).
CN202111076662.3A 2021-09-14 2021-09-14 Ship chamber maintenance draining and water filling system and method of ship lift Active CN113789771B (en)

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CN114182712B (en) * 2021-12-16 2023-05-05 武汉武船重型装备工程有限责任公司 Water supplementing connecting pipe system for ship lift
CN115142714B (en) * 2022-04-29 2024-04-19 长江三峡通航管理局 Ship lift docking sealing frame supporting sliding block overhauling device and method

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US20020119010A1 (en) * 2001-02-26 2002-08-29 Len-Rios Felipe Antonio Ship lift system and method for transportation of ships with recycling water system in canal
CN208857807U (en) * 2018-08-10 2019-05-14 中国长江三峡集团有限公司 It is a kind of to fill sluicing and water charging system for large scale ship
CN209162790U (en) * 2018-11-20 2019-07-26 长江三峡通航管理局 A kind of ship lift ship compartment make-up and discharge system docking facilities
CN109371951B (en) * 2018-11-20 2020-07-28 长江三峡通航管理局 Ship chamber water replenishing and draining system and method for ship lift
CN113356173A (en) * 2021-04-25 2021-09-07 重庆交通大学 Method for carrying out downstream butt joint on ship lift by using floating auxiliary ship chamber
CN113184150B (en) * 2021-05-25 2023-06-06 王曰英 Large-variable buoyancy adjusting system of cross-interface marine aircraft

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