Intelligent liquid supply method and system for fully-mechanized coal mining face

A technology of fully mechanized mining face and liquid supply, applied in mining equipment, mining equipment, earthwork drilling, etc., can solve the problems of complex and inability to supply liquid and liquid supply system on demand, and achieve the effect of avoiding time delay
CN108518243AActive Publication Date: 2018-09-11BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
Publication Date
2018-09-11

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Abstract

The invention provides an intelligent liquid supply method and system for a fully-mechanized coal mining face. The method includes the steps of acquiring the estimated action and estimated action timeof a support of the fully-mechanized coal mining face; obtaining a liquid supply demand according to the estimated action of the support, and obtaining a flow demand and / or a pressure demand according to the liquid supply demand in combination with the current moment and the estimated action time; outputting a control signal corresponding to the flow demand and / or the pressure demand before the estimated action time. Emulsified liquid can be provided for the support according to the amount of emulsified liquid needed by the action which the support is about to execute, so that demand-based liquid supply is realized; besides, as the liquid supply action is responded to before the estimated action time, the needed emulsified liquid can be provided for the support in time, and time delay isavoided.
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Description

technical field

[0001] The invention relates to the technical field of hydraulic control of a fully mechanized mining face, in particular to an intelligent liquid supply method and system for a fully mechanized mining face. Background technique

[0002] At present, the liquid supply system used in the fully mechanized mining face includes multiple emulsion pumps, multiple spray pumps, and multiple liquid tanks, which are used for the safe support and movement of the hydraulic support of the fully mechanized mining face, and the spraying and dust reduction of the coal mining machine. and equipment cooling. At present, the maximum liquid supply flow rate of a single emulsion pump is 630L / min, and the maximum flow rate of a single spray pump is 1000L / min. Through a centralized distributed or centralized control system, single pump operation and multi-pump linkage control are realized; through frequency converter and Electromagnetic unloading valve, as well as pressure feedback...

Claims

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