A mine liquid supply system monitoring method

By installing flow meters on key pipelines of the downhole fluid supply system and collecting and analyzing data, the problems of leakage and inaccurate concentration in the downhole fluid supply system were solved, real-time monitoring and automatic alarm were achieved, costs and pollution were reduced, and safe fluid use was ensured.

CN118602307BActive Publication Date: 2026-08-25ZHENGZHOU HENGDA INTELLIGENT CONTROL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202410754991.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2026-08-25
Estimated Expiration
2044-06-12

AI Technical Summary

Technical Problem

Leaks and inaccurate solution concentrations in hydraulic pipelines of underground mining fluid supply systems lead to resource waste and environmental pollution. Furthermore, the lack of real-time monitoring makes timely maintenance impossible, increasing production costs and posing safety hazards.

Method used

Flow meters are installed on key pipelines of the liquid supply system. Through data acquisition and calculation, the flow rate and liquid concentration are monitored in real time. Data analysis and feedback are performed using controllers and monitoring devices to detect leaks and abnormalities in a timely manner, and to achieve automatic alarm and maintenance.

Benefits of technology

It enables real-time monitoring of the downhole fluid supply system, reduces resource waste, lowers production costs, reduces environmental pollution, ensures safe fluid use, and achieves the goal of economical and reasonable fluid use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of mine liquid supply system monitoring method, mine liquid supply system includes water treatment system, emulsion proportioning system, crossheading pipeline system, working face hydraulic support system, main station, substation, controller, remote monitoring device, ground monitoring device, its characterized in that, the method includes the steps of setting flowmeter on each pipeline, the steps of calculating the amount of various liquid consumption, the steps of judging the situation of liquid consumption and the steps of displaying the situation of liquid consumption etc., the present application uses flowmeter to monitor the flow of each pipeline, and obtains the amount of liquid consumption and the concentration of liquid preparation, simultaneously, by comparing with the set value, it judges whether there is leakage, whether the equipment fails, whether the proportioning of emulsion meets the setting, so that the management personnel can quickly understand the use of underground mine liquid supply system, quickly judge and handle, achieve the goals of safe liquid use, economic liquid use, reasonable liquid use, optimized liquid use etc., thereby reduce production cost, and reduce environmental pollution.
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Description

Technical Field

[0001] This invention relates to a monitoring method for a mine fluid supply system, belonging to the field of coal mine electromechanical monitoring technology. Background Technology

[0002] The management of working media in underground working faces has always been a major challenge. Numerous leaks, bursts, and inaccurate solution concentrations in underground hydraulic pipelines not only waste significant amounts of water, emulsions, and emulsified oils, increasing the production cost per ton of coal, but also pollute groundwater due to the large leaks. Currently, the lack of real-time monitoring prevents workers from promptly identifying and addressing these issues, further increasing production costs and contributing to environmental pollution and safety accidents. Summary of the Invention

[0003] The purpose of this invention is to provide a monitoring method for a mining fluid supply system, so as to solve the problem that workers cannot know and repair problems in a timely manner when they occur in the existing mining fluid supply system.

[0004] To solve the above problems, the monitoring method for a mining fluid supply system involved in this invention adopts the following technical solution: A monitoring method for a mining fluid supply system, wherein the mining fluid supply system includes a water treatment system, an emulsion proportioning system, a roadway inlet, return, and spray pipeline system, a working face hydraulic support system, a substation, a controller, a master station, a remote centralized control device, and a ground monitoring device, the method comprising the following steps:

[0005] a. Install the first and second flow meters on the inlet and outlet pipes of the water treatment system;

[0006] Install the third and fourth flow meters on the oil inlet and liquid outlet pipes of the emulsion mixing system, respectively;

[0007] A fifth flow meter is installed at the end of the main inlet pipe of the roadway located at the entrance of the coal mining face;

[0008] A sixth flow meter is installed at the beginning of the return pipeline in the roadway located at the entrance of the coal mining face;

[0009] A seventh flow meter is installed at the end of the main water inlet pipe of the roadway located at the entrance of the coal mining face;

[0010] Eighth and ninth flow meters are installed on the inlet and return fluid lines of the hydraulic support at the working face.

[0011] b. The substation collects instantaneous flow data from the first flow meter at regular intervals, and then performs data calculations using the following formula:

[0012]

[0013] Where V 原 Let Q be the cumulative amount of raw water within n equal time intervals Δt. 原i Q represents the instantaneous flow rate of raw water collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 原1 Q 原2 Q 原n The instantaneous raw water flow rate is collected from the first flow meter over n time intervals Δt.

[0014] The substation collects instantaneous flow data from the second flow meter at regular intervals, and then performs data calculations using the following formula:

[0015]

[0016] Where V 纯 Let Q be the cumulative amount of pure water over n equal time intervals Δt. 纯i Q represents the instantaneous flow rate of pure water collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 纯1 Q 纯2 Q 纯n The instantaneous flow rate of pure water is collected from the second flow meter over n time intervals Δt.

[0017] The substation collects instantaneous flow data from the third flow meter at regular intervals, and then performs data calculations using the following formula:

[0018]

[0019] Where V 油 Let Q be the cumulative amount of emulsified oil over n equal-duration time intervals Δt. 油i Q represents the instantaneous flow rate of emulsified oil collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 油1 Q 油2 Q 油n The instantaneous flow rate of emulsified oil is collected from the third flow meter over n time intervals Δt.

[0020] The substation collects instantaneous flow data from the fourth flow meter at regular intervals, and then performs data calculations using the following formula:

[0021]

[0022] Where V 液 Let Q be the cumulative amount of emulsion over n equal time intervals Δt. 液i Q represents the instantaneous flow rate of the emulsion collected at any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 液1 Q 液2 Q 液nThe instantaneous flow rate of the emulsion is collected from the fourth flow meter over n time intervals Δt.

[0023] The substation collects instantaneous flow data from the fifth flow meter at regular intervals, and then performs data calculations using the following formula:

[0024]

[0025] Where V 顺进 Let Q be the cumulative amount of liquid entering the main feedwater in the feedwater channel within n equal time intervals Δt. 顺进i Q represents the instantaneous flow rate of the main inlet of the feedwater in the feedwater channel, collected for any time interval Δt, where Δt is the time interval for collecting adjacent instantaneous flow rate values; 顺进1 Q 顺进2 Q 顺进n The instantaneous flow rate of the main inlet of the channel is collected over n time intervals Δt from the fifth flow meter.

[0026] The substation collects instantaneous flow data from the sixth flow meter at regular intervals, and then performs data calculations using the following formula:

[0027]

[0028] Where V 顺回 Let Q be the cumulative amount of main return liquid in the feedwater channel within n equal time intervals Δt. 顺回i Q represents the instantaneous flow rate of the main return fluid in the downcomer channel, collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 顺回1 Q 顺回2 Q 顺回n The instantaneous flow rate of the main return liquid in the channel is collected over n time intervals Δt from the sixth flow meter.

[0029] The substation collects instantaneous flow data from the seventh flow meter at regular intervals, and then performs data calculations using the following formula:

[0030]

[0031] Where V 顺水 Let Q be the cumulative water usage for spraying along the chutes within n equal time intervals Δt. 顺水i Q represents the instantaneous flow rate of water used for spraying along the channel, collected at any time interval Δt, where Δt is the time interval for collecting adjacent instantaneous flow rates; 顺水1 Q 顺水2 Q 顺水n The instantaneous flow rate of water used for spraying along the channel is collected over n time intervals Δt from the seventh flow meter.

[0032] The controller collects instantaneous flow data from the eighth flow meter at regular intervals, and then performs data calculations using the following formula:

[0033]

[0034] Where V 支架进 Q represents the cumulative liquid inflow into the working face support within n equal time intervals Δt; 支架进i Q represents the instantaneous flow rate of the working face support collected at any time interval Δt, where Δt is the time interval between adjacent instantaneous flow rate collections; 支架进1 Q 支架进2 Q 支架进n The instantaneous flow rate of the working face support for liquid inflow is collected from the eighth flow meter over n time intervals Δt.

[0035] The controller collects instantaneous flow data from the ninth flow meter at regular intervals, and then performs data calculations using the following formula:

[0036]

[0037] Where V 支架回 Q represents the cumulative amount of liquid returning to the working face support within n equal time intervals Δt; 支架回i Q represents the instantaneous flow rate of liquid returning to the working face support, collected at any time interval Δt, where Δt is the time interval between adjacent instantaneous flow rate collections; 支架回1 Q 支架回2 Q 支架回n The instantaneous flow rate of liquid returning to the working face support is collected over n time intervals Δt from the ninth flow meter.

[0038] The substation collects flow meter data Q 油 and Q 液 Perform data calculations using the following formula:

[0039] P 瞬 =Q 油 / Q 液

[0040] Where P 瞬 Q represents the instantaneous concentration of the emulsion mixing system. 油 Q represents the instantaneous oil feed rate of the emulsion mixing system. 液 The instantaneous output flow rate of the emulsion mixing system;

[0041] The substation performs data calculations using the following formula:

[0042] V 工作面耗液量 =V 顺进 -V 顺回 ;

[0043] Where V 顺进 V represents the cumulative value of the main inlet flow rate in the channel. 顺回 V represents the cumulative value of the return liquid volume in the downcomer channel. 工作面耗液量 The total liquid consumption of the feeder station is calculated using the following formula:

[0044] V 支架耗液量 =V支架进 -V 支架回 .

[0045] Where V 支架进 V is the cumulative fluid inflow of the hydraulic support system. 支架回 V represents the cumulative return fluid volume of the hydraulic support system at the working face. 支架耗液量 This represents the total fluid consumption of the hydraulic support system at the working face.

[0046] c. The controller receives the instantaneous flow data Q from the eighth flow meter. 支架进 Perform data analysis and feedback:

[0047] When the hydraulic support system at the working face is not working, Q 支架进 If the value is greater than 0, then there is a leak;

[0048] When Q 支架进 =0, then there is no leakage;

[0049] When a leak occurs, the monitoring device will sound an alarm to prompt immediate repair. Once repair is complete, when Q... 支架进 =0, alarm message cleared;

[0050] d. Total fluid consumption V of the hydraulic support system at the working face by the controller 支架耗液量, Perform data analysis and feedback:

[0051] When V 支架耗液量 >V 01 Then there will be a leak;

[0052] When V 支架耗液量 =V 01 Then there was no leak.

[0053] When a leak occurs, the monitoring device will sound an alarm to prompt timely repairs.

[0054] When the maintenance is completed, when V 支架耗液量 =V 01, The alarm message will then be cleared.

[0055] Where V 01 To set the normal fluid consumption for functions such as unloading and backwashing of the coal mining face support, the specific value is determined based on the actual fluid consumption of the unloading and backwashing functions.

[0056] e. Similarly, the total inflow V of the branch station into the channel... 顺水 With the set value V 02 Perform data analysis and feedback:

[0057] When V 顺水 >V 02 If so, there is a leak in the spray pipe;

[0058] When V 顺水=V 02 If no data is leaked, the result will be transmitted to the local monitoring system.

[0059] In the event of a leak, the monitoring device will sound an alarm to prompt timely repairs. Once repairs are completed, V 顺水 =V 02 The alarm message will then be cleared.

[0060] Where V 02 This refers to the normal water consumption of the spraying equipment at the coal mining face; the specific value is the water consumption of the spraying equipment.

[0061] f. Similarly, for substations V 顺进 Perform data analysis and feedback:

[0062] When V 顺进 <V 03 This indicates a leak in the inlet pipe of the channel;

[0063] When V 顺进 =V 03 This indicates that there is no leakage in the inlet pipe of the channel;

[0064] In the event of a leak, the monitoring system will issue an alarm to prompt timely repairs. Once repairs are completed, the data will be restored to V. 顺进 =V 03, The alarm message will then be cleared.

[0065] Where V 03 This refers to the outlet flow rate of the emulsion pump station.

[0066] g. Similarly, the substations are for V 顺回 Perform data analysis and feedback:

[0067] When V 04 <V 顺回 This indicates a leak in the return line of the channel.

[0068] When V 顺回 =V 04 This indicates that there is no leakage in the return pipeline of the channel;

[0069] In the event of a leak, the monitoring system will issue an alarm to prompt timely repairs. Once repairs are completed, the data will be restored to V. 顺回 =V 04 At this point, the alarm message is cleared.

[0070] V 04 The flow rate at the end of the main return fluid pipeline in the coal mining face roadway;

[0071] h. Similarly, substations are related to V 顺水 Perform data analysis and feedback:

[0072] When V 顺水 <V05 This indicates a leak in the spray pipe along the trench.

[0073] When V 顺水 =V 05 This indicates that there is no leakage in the spray pipe along the trench;

[0074] In case of leakage, the monitoring system will issue an alarm to prompt timely repair. After repair, the data will be restored to V. 顺水 =V 05 At this point, the alarm message is cleared.

[0075] Where V 05 The flow rate is the flow rate of the spray pump station at the beginning of the spray pipeline in the trench.

[0076] i. The substation will receive the instantaneous oil inflow Q from the emulsion mixing station. 油 and instantaneous outflow rate Q 液 Perform data analysis and feedback:

[0077] When Q 油 <Q 01 Then there will be a leak.

[0078] When Q 油 =Q 01 Therefore, there was no leak;

[0079] In the event of a leak, the monitoring system will issue an alarm to prompt timely repair. Once repair is complete, the data will be restored to Q. 油 =Q 01 At this point, the alarm message is cleared.

[0080] When Q 液 <(Q) 01 +Q 02 If this happens, there will be a leak.

[0081] When Q 液 =(Q 01 +Q 02 (This indicates that there was no leak;)

[0082] In case of leakage, the monitoring system will issue an alarm to prompt timely repair. After repair, the data will be restored to Q. 液 =(Q 01 +Q 02 At this point, the alarm message will be cleared.

[0083] Q 01 Let Q be the oil pump flow rate, where Q is the flow rate of the oil pump. 02 This refers to the water pump flow rate;

[0084] k. The data acquisition substation will prepare the emulsion solution concentration P. 瞬 Perform data analysis and feedback:

[0085] When P瞬 =P0, then the emulsion preparation station's preparation system is operating normally;

[0086] When P 瞬 >P0 or P 瞬 <P 0, This is abnormal; the local monitoring system should adjust the oil inlet flow rate Q of the mixing device. 03 To achieve P 瞬

[0087] =P0;

[0088] Where P0 is the set concentration of the solution, and Q 03 This is the set oil inlet flow rate.

[0089] The aforementioned substations and controllers will upload the data collected by the flow meters and the data obtained from the analysis feedback to the main station.

[0090] The main station displays the received flow meter data and the data obtained from parsing and feedback on the main station monitoring interface.

[0091] The local monitoring master station uploads the data collected by the flow meter and the data obtained from the analysis feedback to the remote centralized control device.

[0092] The remote control device displays the received flow meter data and the data obtained from the analysis feedback on the remote control interface.

[0093] The remote control device uploads the received flow meter data and the data obtained from the analysis feedback to the ground monitoring device.

[0094] The ground monitoring device displays the data collected by the flow meter and the data obtained from the analysis feedback on the ground monitoring device interface.

[0095] This invention uses flow meters to monitor the flow rate of each pipeline and obtains the liquid consumption, water consumption, oil consumption, and liquid concentration. Through data calculation and analysis feedback, it can determine whether there is a leak, whether the power equipment has malfunctioned, and whether the emulsion ratio meets the settings. This allows managers to quickly understand the usage of the underground mining liquid supply system, make rapid judgments and handle issues, and achieve the goals of safe, economical, rational, and optimized liquid use, thereby reducing production costs and environmental pollution. Attached Figure Description

[0096] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below:

[0097] Figure 1 This is a schematic diagram of the flow monitoring system for a mining liquid supply system according to a specific embodiment of the present invention;

[0098] Figure 2 This is a schematic diagram of the flow monitoring system for the emulsion proportioning system according to a specific embodiment of the present invention;

[0099] Figure 3 This is a schematic diagram of the flow monitoring of the main inlet and outlet liquid and spray pipeline in the culvert according to a specific embodiment of the present invention;

[0100] Figure 4 This is a schematic diagram of the inlet and outlet liquid flow monitoring of the working face support system according to a specific embodiment of the present invention;

[0101] Figure 5 This is a schematic diagram of the flow monitoring of raw water and pure water in water treatment according to a specific embodiment of the present invention. Detailed Implementation

[0102] To make the technical objectives, technical solutions, and beneficial effects of the present invention clearer, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention; that is, the described embodiments are merely some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0103] Specific embodiments of the monitoring method for mine fluid supply systems involved in this invention, combined with Figures 1-5 The method includes the following steps:

[0104] The first step is to install flow meters on the mining liquid supply system and monitor the flow of each system.

[0105] 1.1: Install the first and second flow meters on the inlet and outlet pipes of the water treatment system;

[0106] 1.2: Install the third and fourth flow meters on the oil inlet and liquid outlet pipelines of the emulsion mixing system, respectively;

[0107] 1.3: Install a fifth flow meter at the end of the main inlet pipe of the roadway located at the entrance of the coal mining face;

[0108] 1.4: Install a sixth flow meter at the beginning of the return pipeline of the roadway located at the entrance of the coal mining face;

[0109] 1.5: Install a seventh flow meter at the end of the spray pipe in the roadway at the entrance of the coal mining face;

[0110] 1.6: Eighth and ninth flow meters are installed on the inlet and return hydraulic lines of the hydraulic support system at the working face. (See attached diagram.) Figure 1In the diagram, the first flow meter is flow meter F1, the second flow meter is flow meter F2, the third flow meter is flow meter F3, the fourth flow meter is flow meter F4, the fifth flow meter is flow meter F5, the sixth flow meter is flow meter F6, the seventh flow meter is flow meter F7, the eighth flow meter is flow meter F8, and the ninth flow meter is flow meter F9.

[0111] The second step is: each substation in the local monitoring device performs calculations on the uploaded traffic monitoring data.

[0112] 2.1: Substation S1 collects instantaneous flow data from the first flow meter at regular intervals, and then performs data calculations using the following formula:

[0113]

[0114] Where V 原 Let Q be the cumulative amount of raw water within n equal time intervals Δt. 原i Q represents the instantaneous flow rate of raw water collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 原1 Q 原2 Q 原n The instantaneous raw water flow rate is collected from the first flow meter over n time intervals Δt.

[0115] 2.2: Substation S1 collects instantaneous flow data from the second flow meter at regular intervals, and then performs data calculations using the following formula:

[0116]

[0117] Where V 纯 Let Q be the cumulative amount of pure water over n equal time intervals Δt. 纯i Q represents the instantaneous flow rate of pure water collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 纯1 Q 纯2 Q 纯n The instantaneous flow rate of pure water is collected from the second flow meter over n time intervals Δt.

[0118] 2.3: Substation S2 collects instantaneous flow data from the third flow meter at regular intervals, and then processes the data using the following formula.

[0119] Operations:

[0120]

[0121] Where V 油 Let Q be the cumulative amount of emulsified oil over n equal-duration time intervals Δt. 油i Q represents the instantaneous flow rate of emulsified oil collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 油1 Q油2 Q 油n The instantaneous flow rate of emulsified oil is collected from the third flow meter over n time intervals Δt.

[0122] 2.4: Substation S2 collects instantaneous flow data from the fourth flow meter at regular intervals, and then processes the data using the following formula.

[0123] Operations:

[0124]

[0125] Where V 液 Let Q be the cumulative amount of emulsion over n equal time intervals Δt. 液i Q represents the instantaneous flow rate of the emulsion collected at any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 液1 Q 液2 Q 液n The instantaneous flow rate of the emulsion is collected from the fourth flow meter over n time intervals Δt.

[0126] 2.5: Substation S3 collects instantaneous flow data from the fifth flow meter at regular intervals, and then processes the data using the following formula.

[0127] Operations:

[0128]

[0129] Where V 顺进 Let Q be the cumulative amount of liquid entering the main feedwater in the feedwater channel within n equal time intervals Δt. 顺进i Q represents the instantaneous flow rate of the main inlet of the feedwater in the feedwater channel, collected for any time interval Δt, where Δt is the time interval for collecting adjacent instantaneous flow rate values; 顺进1 Q 顺进2 Q 顺进n The instantaneous flow rate of the main inlet of the channel is collected over n time intervals Δt from the fifth flow meter.

[0130] 2.6: Substation S3 collects instantaneous flow data from the sixth flow meter at regular intervals, and then processes the data using the following formula.

[0131] Operations:

[0132]

[0133] Where V 顺回 Let Q be the cumulative amount of main return liquid in the feedwater channel within n equal time intervals Δt. 顺回i Q represents the instantaneous flow rate of the main return fluid in the downcomer channel, collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 顺回1 Q 顺回2 Q 顺回nThe instantaneous flow rate of the main return liquid in the channel is collected over n time intervals Δt from the sixth flow meter.

[0134] 2.7: Substation S3 collects instantaneous flow data from the seventh flow meter at regular intervals, and then processes the data using the following formula.

[0135] Operations:

[0136]

[0137] Where V 顺水 Let Q be the cumulative water usage for spraying along the chutes within n equal time intervals Δt. 顺水i Q represents the instantaneous flow rate of water used for spraying along the channel, collected at any time interval Δt, where Δt is the time interval for collecting adjacent instantaneous flow rates; 顺水1 Q 顺水2 Q 顺水n The instantaneous flow rate of water used for spraying along the channel is collected over n time intervals Δt from the seventh flow meter.

[0138] 2.8: Controller C1 collects the instantaneous flow data of the eighth flow meter at regular intervals, and then processes the data using the following formula.

[0139] Operations:

[0140]

[0141] Where V 支架进 Q represents the cumulative liquid inflow into the working face support within n equal time intervals Δt; 支架进i Q represents the instantaneous flow rate of the working face support collected at any time interval Δt, where Δt is the time interval between adjacent instantaneous flow rate collections; 支架进1 Q 支架进2 Q 支架进n The instantaneous flow rate of the working face support for liquid inflow is collected from the eighth flow meter over n time intervals Δt.

[0142] 2.9: Controller C1 collects the instantaneous flow data of the ninth flow meter at regular intervals, and then processes the data using the following formula.

[0143] Operations:

[0144]

[0145] Where V 支架回 Q represents the cumulative amount of liquid returning to the working face support within n equal time intervals Δt; 支架回i Q represents the instantaneous flow rate of liquid returning to the working face support, collected at any time interval Δt, where Δt is the time interval between adjacent instantaneous flow rate collections; 支架回1 Q 支架回2 Q 支架回n The instantaneous flow rate of liquid returning to the working face support is collected over n time intervals Δt from the ninth flow meter.

[0146] 2.10: Substation S2 collects flow meter data Q 油 and Q 液 Perform data calculations using the following formula:

[0147] P 瞬 =Q 油 / Q 液

[0148] Where P 瞬 Q represents the instantaneous concentration of the emulsion mixing system. 油 Q represents the instantaneous oil feed rate of the emulsion mixing system. 液 The instantaneous output flow rate of the emulsion mixing system;

[0149] 2.11: Substation S3 performs data calculations using the following formula:

[0150] V 工作面耗液量 =V 顺进 -V 顺回 ;

[0151] Where V 顺进 V represents the cumulative value of the main inlet flow rate in the channel. 顺回 V represents the cumulative value of the return liquid volume in the downcomer channel. 工作面耗液量 Given a total liquid consumption of 2.12 in the feedwater, controller C1 performs data calculations using the following formula:

[0152] V 支架耗液量 =V 支架进 -V 支架回 .

[0153] Where V 支架进 V is the cumulative fluid inflow of the hydraulic support system. 支架回 V represents the cumulative return fluid volume of the hydraulic support system at the working face. 支架耗液量 This represents the total fluid consumption of the hydraulic support system at the working face.

[0154] 3.1: Instantaneous flow data Q transmitted by controller C1 from the eighth flow meter 支架进 Perform data analysis and feedback:

[0155] When the hydraulic support system at the working face is not working, Q 支架进 If the value is greater than 0, then there is a leak;

[0156] When Q 支架进 =0, then there is no leakage;

[0157] When a leak occurs, the monitoring device will sound an alarm to prompt immediate repair. Once repair is complete, when Q... 支架进 =0, alarm message cleared;

[0158] 3.2: The total fluid consumption V of the hydraulic support system at the working face controlled by controller C1. 支架耗液量, Perform data analysis and feedback:

[0159] When V 支架耗液量 >V 01 Then there will be a leak;

[0160] When V 支架耗液量 =V 01 Then there was no leak.

[0161] When a leak occurs, the monitoring device will sound an alarm to prompt timely repairs.

[0162] When the maintenance is completed, when V 支架耗液量 =V 01, The alarm message will then be cleared.

[0163] Where V 01 To set the normal fluid consumption for functions such as unloading and backwashing of the coal mining face support, the specific value is determined based on the actual fluid consumption of the unloading and backwashing functions.

[0164] 3.3: Similarly, the total inflow V of substation S3 to the gutter 顺水 With the set value V 02 Perform data analysis and feedback:

[0165] When V 顺水 >V 02 If so, there is a leak in the spray pipe;

[0166] When V 顺水 =V 02 If no data is leaked, the result will be transmitted to the local monitoring system.

[0167] In the event of a leak, the monitoring device will sound an alarm to prompt timely repairs. Once repairs are completed, V 顺水 =V 02 The alarm message will then be cleared.

[0168] Where V 02 This refers to the normal water consumption of the spraying equipment at the coal mining face; the specific value is the water consumption of the spraying equipment.

[0169] 3.4: Similarly, substation S3 corresponds to V 顺进 Perform data analysis and feedback:

[0170] When V 顺进 <V 03 This indicates a leak in the inlet pipe of the channel;

[0171] When V 顺进 =V 03 This indicates that there is no leakage in the inlet pipe of the channel;

[0172] In the event of a leak, the monitoring system will issue an alarm to prompt timely repairs. Once repairs are completed, the data will be restored to V. 顺进 =V 03, The alarm message will then be cleared.

[0173] Where V 03 This refers to the outlet flow rate of the emulsion pump station.

[0174] 3.5: Similarly, substation S3 corresponds to V. 顺回 Perform data analysis and feedback:

[0175] When V 04 <V 顺回 This indicates a leak in the return line of the channel.

[0176] When V 顺回 =V 04 This indicates that there is no leakage in the return pipeline of the channel;

[0177] In the event of a leak, the monitoring system will issue an alarm to prompt timely repairs. Once repairs are completed, the data will be restored to V. 顺回 =V 04 At this point, the alarm message is cleared.

[0178] V 04 The flow rate at the end of the main return fluid pipeline in the coal mining face roadway;

[0179] 3.6: Similarly, for substations, V 顺水 Perform data analysis and feedback:

[0180] When V 顺水 <V 05 This indicates a leak in the spray pipe along the trench.

[0181] When V 顺水 =V 05 This indicates that there is no leakage in the spray pipe along the trench;

[0182] In case of leakage, the monitoring system will issue an alarm to prompt timely repair. After repair, the data will be restored to V. 顺水 =V 05 At this point, the alarm message is cleared.

[0183] Where V 05 The flow rate is the flow rate of the spray pump station at the beginning of the spray pipeline in the trench.

[0184] 3.7: Substation S2 will control the instantaneous oil inflow rate Q of the emulsion mixing station. 油 and instantaneous outflow rate Q 液 Perform data analysis and feedback:

[0185] When Q 油 <Q 01 Then there will be a leak.

[0186] When Q 油 =Q 01 Therefore, there was no leak;

[0187] In the event of a leak, the monitoring system will issue an alarm to prompt timely repair. Once repair is complete, the data will be restored to Q. 油 =Q 01 At this point, the alarm message is cleared.

[0188] When Q 液 <(Q) 01 +Q 02 If this happens, there will be a leak.

[0189] When Q 液 =(Q 01 +Q 02 (This indicates that there was no leak;)

[0190] In case of leakage, the monitoring system will issue an alarm to prompt timely repair. After repair, the data will be restored to Q. 液 =(Q 01 +Q 02 At this point, the alarm message will be cleared.

[0191] Q 01 Let Q be the oil pump flow rate, where Q is the flow rate of the oil pump. 02 This refers to the water pump flow rate;

[0192] 3.8: Data acquisition substation S2 will adjust the emulsion concentration P. 瞬 Perform data analysis and feedback:

[0193] When P 瞬 =P0, then the emulsion preparation station's preparation system is operating normally;

[0194] When P 瞬 >P0 or P 瞬 <P 0, This is abnormal; the local monitoring system should adjust the oil inlet flow rate Q of the mixing device. 03 To achieve P 瞬

[0195] =P0;

[0196] Where P0 is the set concentration of the solution, and Q 03 This is the set oil inlet flow rate.

[0197] The substation and controller upload the received flow meter data and the data obtained from the analysis feedback to the main station.

[0198] The main station displays the received flow meter data and the parsed feedback data on the main station monitoring interface.

[0199] The local monitoring master station uploads the data collected by the flow meter and the parsed feedback data to the remote centralized control device.

[0200] The remote control device displays the received flow meter data and the parsed feedback data on the remote control interface.

[0201] The remote control device uploads the received flow meter data and the parsed feedback data to the ground monitoring device and displays it on the ground monitoring device interface.

[0202] Upon receiving signals indicating pipeline leaks, emulsion mixing station pipeline leaks, or abnormal mixing concentrations, the controller, substations, master station, remote centralized control device, and ground monitoring device issue alarms and prompt for maintenance. The alarm prompts are cleared once the maintenance is completed and the data is restored to meet the set value comparison requirements.

[0203] Specifically, the method for monitoring the flow rate of mining fluid supply involves the following steps: the raw water flow monitoring data, calculation and analysis data, and feedback of the water treatment system are uploaded by the data acquisition substation S1 to the main station 1, the remote centralized control device 2, and the ground monitoring device 3. The main station 1, the remote centralized control device 2, and the ground monitoring device 3 receive the uploaded data and display it on the local monitoring interface, the remote centralized control interface, and the ground monitoring interface, respectively, for users to view and analyze, facilitating personnel management of the raw water treatment system in the underground mine.

[0204] Specifically, the mining fluid supply flow monitoring method involves the following: the monitoring data, calculation and analysis data, and feedback of the oil inlet and outlet flow of the emulsion mixing system are uploaded by the data acquisition substation S2 to the main station 1, the remote centralized control device 2, and the ground monitoring device 3. The main station 1, the remote centralized control device 2, and the ground monitoring device 3 receive the uploaded data and display it on the local monitoring interface, the remote centralized control interface, and the ground monitoring interface, respectively, for users to view and analyze, facilitating personnel to monitor and manage the emulsion mixing operation status.

[0205] Specifically, the method for monitoring the flow rate of mine fluid supply involves the following: the flow rate data, analytical data, and feedback from the monitored fluid inlet pipeline system, fluid return pipeline system, and water inlet pipeline system in the mine roadway are uploaded by substation S3 to main station 1, remote control device 2, and ground monitoring device 3. Main station 1, remote control device 2, and ground monitoring device 3 receive the uploaded data and display it on their respective local monitoring interface, remote control interface, and ground monitoring interface for user review and analysis. This allows for timely and accurate understanding of the operation of the mine roadway pipelines, fluid and water consumption at the working face, and pipeline leakage. In case of abnormal emergencies, timely repairs and handling are also possible.

[0206] Specifically, the method for monitoring the flow rate of liquid supply in mines involves the following: the flow rate, analyzed data, and feedback from the inlet and outlet pipelines of the working face support system are uploaded by controller C1 to the main station 1, the remote control device 2, and the ground monitoring device 3. The main station 1, the remote control device 2, and the ground monitoring device 3 receive the uploaded data and display it on the local monitoring interface, the remote control interface, and the ground monitoring interface, respectively, for users to view and analyze. This allows for real-time monitoring of the daily liquid consumption of the working face support and whether there are any leaks, and timely repair and handling of any abnormal or sudden situations.

[0207] The controller C1, substations S1, S2, S3, main station 1, remote centralized control device 2, and ground monitoring device 3 can all issue warnings and provide feedback upon receiving signals such as pipeline leaks or abnormal concentrations in the emulsion mixing station, prompting for maintenance. The alarm will be cleared once maintenance is completed and the data is restored to meet the set value comparison requirements. This flow monitoring allows management personnel to promptly understand the fault status of the underground mine fluid supply system and quickly make judgments and handle them. Remote monitoring facilitates timely understanding of the status of the underground fluid supply system, providing reference and basis for the automated management of the mine fluid supply system, and achieving the goals of safe, economical, rational, and optimized fluid use.

[0208] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0209] The various set data in the above embodiments are based on ideal values ​​under conditions of no leakage and no malfunction, and are obtained after adjustments based on a limited number of experimental results and production experience. These data can be obtained by those skilled in the art without any creative effort.

[0210] The signal transmission, reception, early warning, feedback, and programming in the above embodiments are all mature technologies, and will not be described in detail here.

[0211] The flow meters used in the system are commercially available components. The full name of the controller is: Hydraulic Support Electro-hydraulic Control Device Controller, model: ZDYZ-Z(F); the full name of the substation is: Intrinsically Safe Control Substation for Mining, model: KJF12; the full name of the master station is: Intrinsically Safe Control Master Station for Mining, model: KJZ12. All of these are commercially available components.

[0212] The remote centralized control device 2 and the ground monitoring device 3 are general systems. Any existing system that can receive data, display the results on the screen, and alarm when an abnormal signal is received can be used. There are many such systems, which will not be described in detail here.

[0213] Finally, it should be noted that the above embodiments are only for illustration and not for limiting the technical solutions of the present invention. Any equivalent substitutions, modifications or partial substitutions that do not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A monitoring method for a mine fluid supply system, the mine fluid supply system comprising a water treatment system, an emulsion proportioning system, a roadway inlet, return, and spray pipeline system, a working face hydraulic support system, substations, a controller, a master station, a remote centralized control device, and a ground monitoring device, characterized in that, The method includes the following steps: a. Install the first and second flow meters on the inlet and outlet pipes of the water treatment system; Install the third and fourth flow meters on the oil inlet and liquid outlet pipes of the emulsion mixing system, respectively; A fifth flow meter is installed at the end of the main inlet pipe of the roadway located at the entrance of the coal mining face; A sixth flow meter is installed at the beginning of the return pipeline in the roadway located at the entrance of the coal mining face; A seventh flow meter is installed at the end of the main water inlet pipe of the roadway located at the entrance of the coal mining face; Eighth and ninth flow meters are installed on the inlet and return pipelines of the hydraulic support at the working face; b. The substation collects instantaneous flow data from the first flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 原 Let Q be the cumulative amount of raw water within n equal time intervals Δt. 原i The instantaneous flow rate of raw water collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; Q 原1 Q 原2 Q 原n The instantaneous raw water flow rate is collected from the first flow meter over n time intervals Δt. The substation collects instantaneous flow data from the second flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 纯 Let Q be the cumulative amount of pure water over n equal time intervals Δt. 纯i Q represents the instantaneous flow rate of pure water collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 纯1 Q 纯2 Q 纯n The instantaneous flow rate of pure water is collected from the second flow meter over n time intervals Δt. The substation collects instantaneous flow data from the third flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 油 Let Q be the cumulative amount of emulsified oil over n equal-duration time intervals Δt. 油i Q represents the instantaneous flow rate of emulsified oil collected for any time interval Δt, where Δt is the collection duration between adjacent instantaneous flow rate values; 油1 Q 油2 Q 油n The instantaneous flow rate of the emulsified oil is collected from the third flow meter over n time intervals Δt. The substation collects instantaneous flow data from the fourth flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 液 Let Q be the cumulative amount of emulsion over n equal time intervals Δt. 液i Q represents the instantaneous flow rate of the emulsion collected at any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 液1 Q 液2 Q 液n The instantaneous flow rate of the emulsion is collected from the fourth flow meter over n time intervals Δt. The substation collects instantaneous flow data from the fifth flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 顺进 Let Q be the cumulative amount of liquid entering the main feedwater in the feedwater channel within n equal time intervals Δt. 顺进i Q represents the instantaneous flow rate of the main inlet of the feedwater in the feedwater channel, collected for any time interval Δt, where Δt is the time interval for collecting adjacent instantaneous flow rate values; 顺进1 Q 顺进2 Q 顺进n The instantaneous flow rate of the main inlet in the channel is collected over n time intervals Δt from the fifth flow meter; The substation collects instantaneous flow data from the sixth flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 顺回 Let Q be the cumulative amount of main return liquid in the feedwater channel within n equal time intervals Δt. 顺回i Q represents the instantaneous flow rate of the main return fluid in the downcomer channel, collected for any time interval Δt, where Δt is the collection time interval between adjacent instantaneous flow rate values; 顺回1 Q 顺回2 Q 顺回n The instantaneous flow rate of the main return liquid in the channel is collected over n time intervals Δt from the sixth flow meter; The substation collects instantaneous flow data from the seventh flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 顺水 Let Q be the cumulative water usage for spraying along the chutes within n equal-duration intervals Δt. 顺水i Q represents the instantaneous flow rate of water used for spraying along the channel, collected at any time interval Δt, where Δt is the time interval for collecting adjacent instantaneous flow rates. 顺水1 Q 顺水2 Q 顺水n The instantaneous flow rate of water used for spraying along the channel is collected over n time intervals Δt from the seventh flow meter; The controller collects instantaneous flow data from the eighth flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 支架进 Q represents the cumulative liquid inflow into the working face support within n equal time intervals Δt; 支架进i Q represents the instantaneous flow rate of the working face support collected at any time interval Δt, where Δt is the time interval between adjacent instantaneous flow rate collections; 支架进1 Q 支架进2 Q 支架进n The instantaneous flow rate of liquid entering the working face support is collected from the eighth flow meter over n time intervals Δt. The controller collects instantaneous flow data from the ninth flow meter at regular intervals, and then performs data calculations using the following formula: , Where V 支架回 Q represents the cumulative amount of liquid returning to the working face support within n equal time intervals Δt; 支架回i Q represents the instantaneous flow rate of liquid returning to the working face support, collected at any time interval Δt, where Δt is the time interval between adjacent instantaneous flow rate collections; 支架回1 Q 支架回2 Q 支架回n The instantaneous flow rate of liquid returning to the working face support is collected over n time intervals Δt from the ninth flow meter; The substation collects flow meter data Q 油 and Q 液 Perform data calculations using the following formula: P 瞬 =Q 油 / Q 液 Where P 瞬 Q represents the instantaneous concentration of the emulsion mixing system. 油 Q represents the instantaneous oil feed rate of the emulsion mixing system. 液 The instantaneous output flow rate of the emulsion mixing system; The substation performs data calculations using the following formula: V 工作面耗液量 =V 顺进 -V 顺回 ; Where V 顺进 V represents the cumulative value of the main inlet flow rate in the channel. 顺回 V represents the cumulative value of the return liquid volume in the downcomer channel. 工作面耗液量 Total liquid consumption in the channel The substation performs data calculations using the following formula: V 支架耗液量 =V 支架进 -V 支架回 ; Where V 支架进 V is the cumulative fluid inflow of the hydraulic support system. 支架回 V represents the cumulative return fluid volume of the hydraulic support system at the working face. 支架耗液量 This represents the total fluid consumption of the hydraulic support system at the working face. c. The controller receives the instantaneous flow data Q from the eighth flow meter. 支架进 Perform data analysis and feedback: When the hydraulic support system at the working face is not working, Q 支架进 If the value is greater than 0, then there is a leak; When Q 支架进 If the value is 0, then there is no leakage; When a leak occurs, the monitoring device will sound an alarm to prompt immediate repair. Once repair is complete, when Q... 支架进 =0, alarm message cleared; d. Total fluid consumption V of the hydraulic support system at the working face by the controller 支架耗液量, Perform data analysis and feedback: When V 支架耗液量 >V 01 Then there will be a leak; When V 支架耗液量 =V 01 Then there was no leak. When a leak occurs, the monitoring device will sound an alarm to prompt timely repairs. When the maintenance is completed, when V 支架耗液量 =V 01, The alarm message will then be cleared. Where V 01 To set the normal fluid consumption for functions such as unloading and backwashing of the coal mining face support, the specific value is determined based on the actual fluid consumption of the unloading and backwashing functions. e. Similarly, the total inflow V of the branch station into the channel... 顺水 With the set value V 02 Perform data analysis and feedback: When V 顺水 >V 02 If so, there is a leak in the spray pipe; When V 顺水 =V 02 If no data is leaked, the result will be transmitted to the local monitoring system. In the event of a leak, the monitoring device will sound an alarm to prompt timely repairs. Once repairs are completed, V 顺水 =V 02 The alarm message will then be cleared. Where V 02 This refers to the normal water consumption of the spraying equipment at the coal mining face; the specific value is the water consumption of the spraying equipment. f. Similarly, for substations V 顺进 Perform data analysis and feedback: When V 顺进 <V 03 This indicates a leak in the inlet pipe of the channel; When V 顺进 =V 03 This indicates that there is no leakage in the inlet pipe of the channel; In the event of a leak, the monitoring system will issue an alarm to prompt timely repairs. Once repairs are completed, the data will be restored to V. 顺进 =V 03, The alarm message will then be cleared. Where V 03 This refers to the outlet flow rate of the emulsion pump station. g. Similarly, the substations are for V 顺回进行 Data analysis and feedback: When V 04 <V 顺回 This indicates a leak in the return line of the channel. When V 顺回 =V 04 This indicates that there is no leakage in the return pipeline of the channel; In the event of a leak, the monitoring system will issue an alarm to prompt timely repairs. Once repairs are completed, the data will be restored to V. 顺回 =V 04 The alarm message will then be cleared. V 04 The flow rate at the end of the main return fluid pipeline in the coal mining face roadway; h. Similarly, substations are related to V 顺水 Perform data analysis and feedback: When V 顺水 <V 05 This indicates a leak in the spray pipe along the trench. When V 顺水 =V 05 This indicates that there is no leakage in the spray pipe along the trench; In case of leakage, the monitoring system will issue an alarm to prompt timely repair. After repair, the data will be restored to V. 顺水 =V 05 The alarm message will then be cleared. Where V 05 The flow rate is the flow rate of the spray pump station at the beginning of the spray pipeline in the trench. i. The substation will receive the instantaneous oil inflow Q from the emulsion mixing station. 油 and instantaneous outflow rate Q 液 Perform data analysis and feedback: When Q 油 <Q 01 Then there will be a leak. When Q 油 =Q 01 Therefore, there was no leak; In the event of a leak, the monitoring system will issue an alarm to prompt timely repair. Once repair is complete, the data will be restored to Q. 油 =Q 01 The alarm message will then be cleared. When Q 液 < (Q) 01 +Q 02 If so, there will be a leak. When Q 液 = (Q) 01 +Q 02 (This indicates that there was no leak.) In case of leakage, the monitoring system will issue an alarm to prompt timely repair. After repair, the data will be restored to Q. 液 = (Q) 01 +Q 02 At this point, the alarm message is cleared. Q 01 Let Q be the oil pump flow rate, where Q is the flow rate of the oil pump. 02 This refers to the water pump flow rate; k. The data acquisition substation will prepare the emulsion solution concentration P. 瞬 Perform data analysis and feedback: When P 瞬 If P0 = 0, then the emulsion preparation station's preparation system is operating normally. When P 瞬 >P0 or P 瞬 <P 0, This is abnormal; the local monitoring system should adjust the oil inlet flow rate Q of the mixing device. 03 To achieve P 瞬 =P0; Where P0 is the set concentration of the solution, and Q 03 This is the set oil inlet flow rate.

2. The monitoring method for a mine fluid supply system according to claim 1, characterized in that, The aforementioned substations and controllers will upload the data collected by the flow meters and the data obtained from the analysis feedback to the main station.

3. The monitoring method for a mine fluid supply system according to claim 2, characterized in that, The main station displays the received flow meter data and the data obtained from parsing and feedback on the main station monitoring interface.

4. The monitoring method for a mine fluid supply system according to claim 3, characterized in that, The local monitoring master station uploads the data collected by the flow meter and the data obtained from the analysis feedback to the remote centralized control device.

5. The monitoring method for a mine fluid supply system according to claim 4, characterized in that, The remote control device displays the received flow meter data and the data obtained from the analysis feedback on the remote control interface.

6. The monitoring method for a mine fluid supply system according to claim 5, characterized in that, The remote control device uploads the received flow meter data and the data obtained from the analysis feedback to the ground monitoring device.

7. The monitoring method for a mine fluid supply system according to claim 6, characterized in that, The ground monitoring device displays the data collected by the flow meter and the data obtained from the analysis feedback on the ground monitoring device interface.

Citation Information

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