Drainage system and method

Abstract

The invention discloses a drainage system and method. The drainage system comprises a water pump set which is provided with at least two water pumps, a control mechanism for controlling the water pumpset to run, and at least one water level sensor which is used for detecting the water level information, and the water pumps in the water pump set and the water level sensors are all connected with the control mechanism; the water level sensor is used for detecting the water level information and sending the detected water level information to the control mechanism; the control mechanism is usedfor indicating the water pumps in the water pump set to conduct drainage when the water level information satisfies a preset condition. By means of the drainage system and method, when water bursts, water permeation or water gushing accidents break out in a mine, the water pump set in the drainage system can be timely started to conduct drainage, and the occurrence of safety accidents is prevented; meanwhile, through the arrangement of the at least two water pumps, when the drainage amount is not large, the two water pumps take turns to work, the starting frequency of the water pumps is reduced, the running time of the water pumps is shortened, and the equipment fault rate is lowered.

Description

technical field [0001] The invention relates to the technical field of drainage, in particular to a drainage system and method. Background technique [0002] With the high-yield and high-efficiency development of the coal industry, mine safety has become a key factor restricting coal production. The underground drainage system is one of the four major systems in coal mine production. It is responsible for the important task of removing underground water. Whether it can operate normally directly affects the safety of the entire mine production. Once the underground drainage system fails, it will not only affect the underground production, but even flood the mine, endangering the lives of production workers. [0003] At present, the underground main drainage system can be divided into two categories: manual local control system and automatic control system; among them, the problems of the manual local control system are as follows: ① This method is mainly manual control, so t...

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Problems solved by technology

Once the underground drainage system fails, it will not only affect the underground production, but even flood the mine, endangering the lives of production workers

[0003] At present, the underground main drainage system can be divided into two categories: manual local control system and automatic control system; among them, the problems of the manual local control system are as follows: ① This method is mainly manual control, so the water level detection The accuracy is not high, the operation is random, and the real-time monitoring of the water inflow and the scientific scheduling of the drainage process cannot be realized

When the water inflow suddenly increases, if the operator fails to detect and deal with it in time, it will lead to major safety accidents; ② Manual operation cannot avoid high-intensity work, especially the operation of gate valves, which has the largest labor load

Although the automatic control system partially solves the problem of the manual local control system, the control function is not perfect, and it is impossible to realize the automatic operation of "unattended" underground and the real-time monitoring and monitoring of the personnel on the well; and the equipment failure rate is relatively high

[0004] Aiming at the problem of the automatic control system, the industry has also proposed many solutions. For example, the publication number is CN106194761A, and the patent application titled "Automated Drainage System for Transfer Water Tank" uses a negative pressure water tank and a centrifugal pump to extract the transfer water through negative pressure. The liquid in the water tank saves the existing water outlet electric gate valve, water injection electric ball valve, exhaust electric ball valve and bottom valve, simplifies the structure of the automatic drainage system, is easy to repair and replace, and reduces the cost; however, the The drainage system has a single start-up method, which cannot cope with sudden water gushing, water seepage or water inrush accidents in the mine. It can only solve local drainage problems, but cannot undertake the drainage of the entire mine, and there is a problem of high equipment failure rate

[0005] For another example, the notification number is CN204041108U, and the utility model patent titled "Automated Drainage System for Rail Downhill Driving in Coal Mining Area" uses a float valve to automatically drain water, which is easy to operate and reduces accidents caused by staff forgetting to operate; however, There is also the problem of a single start-up method of the drainage system and a high failure rate of equipment, and the patent is a decentralized puddle drainage, which has relatively limited applications, such as only suitable for drainage with a depth of less than 1m

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