Fast calculating method for water priming and draining process of multi-stage ship lock

Abstract

The invention discloses a fast calculating method for a water priming and draining process of a multi-stage ship lock. The water priming and draining process is calculated and optimized automatically through a computer, and a water draining process calculating method, a water priming process calculating method and a temporary target calculating method are combined, so that the fast calculation of the water priming and draining process of the ship lock is achieved. The water draining process calculating method is used on the condition that a targeted water level can be achieved only by draining part of water in existing lock chambers; the water priming process calculating method is used on the condition that the targeted water level can be achieved by drawing water from upstream approach channel to the lock chamber; and the temporary target calculating method is fused into the water priming process calculating method and the water draining process calculating method to optimize the water priming and draining process. According to the fast calculating method for the water priming and draining process of the multi-stage ship lock, the water priming and draining reality of the ship lock is considered, and the automatic calculation and optimization of the process is achieved; work tasks of ship lock managers are greatly reduced; and an automation and informatization management process of the ship lock is accelerated.

Description

technical field [0001] The invention relates to the field of ship lock navigation, in particular to a fast calculation method for multi-stage ship lock water filling and drainage processes. Background technique [0002] In the daily operation of multi-stage ship locks, by switching the discharge valves, the lock chambers alternately appear at the high operating water level and the operating low water level. Then the fourth lock chamber is discharged from the high water level to the low water level and the level of the fifth lock chamber, and the fifth lock chamber rises to the high water level, and the ship sails from the fifth lock chamber to the fourth lock chamber...and so on, and finally sails upstream, and the ships step by step The purpose of crossing the dam is achieved through the lock chamber, and vice versa. [0003] However, when multi-stage ship locks are overhauled and the number of operating stages is changed, there will be abnormal water levels. The target ca...

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Problems solved by technology

[0003] However, when multi-stage ship locks are overhauled and the number of operating stages is changed, there will be abnormal water levels. The target cannot be achieved by simply leveling the water level of adjacent lock chambers. It requires a multi-step and accurate water filling and drainage process to reach the target water level.

In addition, since the water body can only be discharged from upstream to downstream, coupled with structural and equipment factors, there are restrictions on the minimum and maximum water levels of each lock chamber, the maximum head difference between adjacent lock chambers, and the water head difference between a lock chamber and the upstream water level. , manual calculation of the water filling and drainage process is not only tedious and error-prone, but also difficult to calculate the optimal solution, especially when some conditions and requirements change temporarily, all must be recalculated, consuming a lot of time and energy

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