CN117890462A - Mining sump liquid mud double-position monitoring system and monitoring method - Google Patents
Mining sump liquid mud double-position monitoring system and monitoring method Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 187
- 239000007788 liquid Substances 0.000 title claims abstract description 163
- 238000005065 mining Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 556
- 238000004458 analytical method Methods 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 24
- 230000002159 abnormal effect Effects 0.000 claims description 16
- 238000004364 calculation method Methods 0.000 claims description 15
- 239000003245 coal Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Abstract
The invention discloses a mining sump liquid mud double-position monitoring system and a monitoring method, which relate to the technical field of mining sump liquid mud monitoring.
Description
Technical Field
The invention relates to the technical field of mining sump liquid mud monitoring, in particular to a mining sump liquid mud double-position monitoring system and a monitoring method.
Background
The mining sump liquid mud refers to sediment formed by deposition of wastes and pollutants generated in the production process of mines at the bottom of the sump, and when the liquid mud thickness exceeds a certain limit, the safety problems such as blockage of equipment in the sump, blockage or leakage of pipelines and the like can be caused, and even accidents are caused. Monitoring the liquid mud in the sump in time can prevent these potential safety risks. Meanwhile, the change trend of the liquid mud thickness can help to make a proper maintenance plan, and the normal operation of the water sump is ensured.
At present, the on-line monitoring content of the water sump of the coal mine is limited to the monitoring of the water level, the dynamic monitoring of the coal slime accumulation is not carried out, most mines still adopt manual experience to judge the coal slime accumulation degree of the water sump more vaguently and regularly carry out dredging, the effective capacity, the liquid slime thickness and the like of the water sump are difficult to be ensured to be in a specified range, and certain potential safety hazards exist. Therefore, the liquid mud and the water level of the water sump of the coal mine are necessary to be monitored and analyzed, so that the safety state in the water sump is monitored, the safety of the water sump is guaranteed, and meanwhile, a basis is provided for dredging the water sump, so that the safety and the economical efficiency of a mine drainage system are improved.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a mining sump liquid mud double-position monitoring system and a mining sump liquid mud double-position monitoring method.
In order to solve the technical problems, the invention adopts the following technical scheme: in a first aspect, the invention provides a mining sump liquid mud dual-position monitoring system, comprising the following modules: the system comprises a water sump monitoring module, a server and an execution terminal; the server comprises a safety analysis module, a sump regulation analysis module and a water level regulation module.
The water sump monitoring module is used for distributing each monitoring time point according to a preset time interval in the monitoring process of the water sump, further monitoring the liquid mud and the water level corresponding to each monitoring time point in the water sump, and obtaining the liquid mud information and the water level information corresponding to each monitoring time point in the water sump.
The safety analysis module is used for calculating the safety value of the water sump at each monitoring time point according to the liquid mud information and the water level information corresponding to each monitoring time point in the water sump, analyzing the safety state of the water sump at each monitoring time point, and recording the monitoring time point as a regulation time point if the safety state of the water sump at a certain monitoring time point is in an abnormal state, so that each regulation time point is obtained.
The water level regulation module is used for recording each regulation time point with the regulation mode being the water level regulation mode as each water control time point, further analyzing the water level regulation capacity of the water sump corresponding to each water control time point and carrying out corresponding regulation.
The execution terminal is used for executing corresponding operations according to the safety state of the water sump at each monitoring time point, the regulation and control mode of the water sump at each regulation and control time point and the water level regulation and control capacity of the water sump corresponding to each water control time point.
Preferably, the liquid mud information corresponding to each monitoring time point in the water sump comprises liquid mud concentration, content of various chemical components and liquid mud thickness of each collecting point.
The liquid level information corresponding to each monitoring time point in the water sump comprises the highest water level height, the lowest water level height and the water level capacity.
Preferably, the safety state of the analysis water sump at each monitoring time point is analyzed by the following specific analysis process: extracting the content of various chemical components, the concentration of the liquid mud and the thickness of the liquid mud at each collecting point from the liquid mud information corresponding to each monitoring time point in the water sump, and extracting the permissible content of various chemical components, the permissible liquid mud concentration, the permissible liquid mud thickness and the reference liquid mud thickness change rate from the database, so as to calculate the liquid mud safety value corresponding to each monitoring time point of the water sump, wherein the liquid mud safety value is recorded as , t represents the number corresponding to each monitoring time point, and t=1, 2.
The highest water level height, the lowest water level height and the water level capacity are extracted from the liquid level information corresponding to each monitoring time point in the water sump, the reference water level height interval and the reference water level capacity interval in the water sump are extracted from the database, and then the water level safety value corresponding to each monitoring time point of the water sump is calculated and recorded as .
According to a calculation formula , a safety value corresponding to the t monitoring time point of the water sump is obtained, wherein/> 、/> is a set weight factor of the liquid mud safety value and a set weight factor of the water level safety value respectively.
Comparing the safety value corresponding to the water sump at each monitoring time point with a preset safety value threshold, if the safety value corresponding to the water sump at a certain monitoring time point is larger than the preset safety value threshold, judging that the safety state of the water sump at the monitoring time point is in a normal state, otherwise, judging that the safety state of the water sump at the monitoring time point is in an abnormal state, and judging that the safety state of the water sump at each monitoring time point is in a abnormal state.
Preferably, the calculating the liquid mud safety value corresponding to each monitoring time point of the water sump comprises the following specific calculating process: obtaining a liquid mud safety value/> corresponding to each t monitoring time point of the water sump according to a calculation formula , wherein/> represents the allowable content of the i-th chemical component, 、/>、/> represents the allowable liquid mud concentration, the allowable liquid mud thickness and the reference liquid mud thickness change rate respectively,/> represents the i-th chemical component content corresponding to the t monitoring time point in the water sump, and/> represents the liquid mud concentration corresponding to the t monitoring time point in the water sump, the value of/(、/>) is the thickness of the liquid mud corresponding to the j-th collection point at the t-th and t-1-th monitoring time points in the water sump, the value of/() is the interval duration between the monitoring time points, the weight factor of the chemical component content, the weight factor of the liquid mud concentration, the weight factor of the liquid mud thickness and the weight factor of the liquid mud thickness change rate are respectively set by the/> 、/>、/>、/>, i represents the numbers of each type of chemical component, i=1, 2..n, j represents the numbers of each collection point, j=1, 2..m, n, m are any integer greater than 2.
Preferably, the calculating the water level safety value corresponding to each monitoring time point of the water sump comprises the following specific calculating process: the highest water level height, the lowest water level height and the water level capacity corresponding to each monitoring time point in the water sump are respectively marked as 、/> and/> , the upper limit value and the lower limit value of the water sump reference water level height interval in the database are respectively marked as/> 、/>, and the upper limit value and the lower limit value of the water sump reference water level capacity interval in the database are respectively marked as/> 、/>.
According to a calculation formula , a water level safety value/> corresponding to the t-th monitoring time point of the water sump is obtained, wherein/> 、/>、/>、/> is respectively a set weight factor of the highest water level height, a set weight factor of the lowest water level capacity and a set weight factor of the highest water level capacity.
Preferably, the analysis water sump is in a regulation mode at each regulation time point, and the specific analysis process is as follows: comparing the liquid mud safety value corresponding to the water sump at each regulation time point with a preset liquid mud safety value, and judging that the regulation mode corresponding to the water sump at the regulation time point is a dredging mode if the liquid mud safety value corresponding to the water sump at a certain regulation time point is smaller than the preset liquid mud safety value.
Comparing the water level safety value corresponding to the water sump at each regulation time point with a preset water level safety value, and if the water level safety value corresponding to the water sump at a certain regulation time point is smaller than the preset water level safety value, judging that the regulation mode corresponding to the water sump at the regulation time point is a water level regulation mode, and analyzing the regulation mode of the water sump at each regulation time point in the mode.
Preferably, the water level control capacity of the analysis water bin corresponding to each water control time point is determined by the following specific analysis process: obtaining the liquid mud thickness of the water sump at each water control time point corresponding to each collecting point, obtaining the liquid mud average thickness of the water sump at each water control time point through average calculation, further comparing the liquid mud average thickness of the water sump at each water control time point with the reference liquid mud thickness corresponding to each reference water level capacity stored in the database, and if the liquid mud average thickness of the water sump at a certain water control time point is the same as the reference liquid mud thickness corresponding to a certain reference water level capacity, taking the reference water level capacity as the target water level capacity of the water sump at the water control time point, thereby obtaining the target water level capacity of the water sump at each water control time point.
And comparing the target water level capacity of the water sump at each water control time point with a water sump reference water level capacity interval stored in the database, and taking the difference value between the target water level capacity of the water sump at a water control time point and the water level capacity of the water sump as the water level regulation capacity if the target water level capacity of the water sump at a certain water control time point is within the water sump reference water level capacity interval.
If the target water level capacity of the water sump at a certain water control time point is larger than the upper limit value of the water sump reference water level capacity section, taking the difference value between the upper limit value of the water sump reference water level capacity section and the water level capacity as the water level regulation capacity, and if the target water level capacity of the water sump at a certain water control time point is smaller than the lower limit value of the water sump reference water level capacity section, taking the difference value between the lower limit value of the water sump reference water level capacity section and the water level capacity as the water level regulation capacity.
In a second aspect, the invention provides a mining sump liquid mud double-position monitoring method, which comprises the following steps: step one, monitoring a water sump: and arranging each monitoring time point according to a preset time interval in the monitoring process of the water sump, further monitoring the liquid mud and the water level corresponding to each monitoring time point in the water sump, and obtaining the liquid mud information and the water level information corresponding to each monitoring time point in the water sump.
Step two, safety analysis: according to the liquid mud information and the water level information corresponding to each monitoring time point in the water sump, calculating the safety value of the water sump at each monitoring time point, analyzing the safety state of the water sump at each monitoring time point, and if the safety state of the water sump at a certain monitoring time point is in an abnormal state, marking the monitoring time point as a regulation time point, thereby obtaining each regulation time point.
Step three, water sump regulation and control analysis: and acquiring a liquid mud safety value and a water level safety value corresponding to the water sump at each regulation time point, and further analyzing the regulation mode of the water sump at each regulation time point, wherein the regulation mode comprises a dredging mode and a water level regulation mode.
Step four, water level regulation: and recording each regulation time point with the regulation mode being the water level regulation mode as each water control time point, further analyzing the water level regulation capacity of the water bin corresponding to each water control time point, and carrying out corresponding regulation.
Step five, operation execution: and executing corresponding operations according to the safety state of the water sump at each monitoring time point, the regulation mode of the water sump at each regulation time point and the water level regulation capacity of the water sump corresponding to each water control time point.
The invention has the beneficial effects that: the invention provides a mining sump liquid mud double-position monitoring system and a monitoring method, which monitor liquid mud and water level in a sump through a double-frequency ultrasonic sensor, further analyze the safety state of the sump, analyze the regulation mode of the sump when the sump is in an abnormal state, control the sump to start dredging when the regulation mode is dredging, analyze the water level regulation capacity in the sump when the regulation mode is water level regulation, and control the addition or discharge of water, thereby solving the problem of fuzzy analysis of manual experience in the prior art, greatly improving the accuracy of sump liquid mud monitoring, guaranteeing the safety of the sump, reducing the safety risk in the sump, ensuring the normal operation of the sump, and improving the accuracy of dredging control in the sump, thereby improving the safety and economical efficiency of a mine drainage system.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the system structure of the present invention.
FIG. 2 is a flow chart of the steps of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, in a first aspect, the present invention provides a mining sump mud dual-position monitoring system, including: the system comprises a water sump monitoring module, a server, an execution terminal and a database; the server comprises a safety analysis module, a sump regulation analysis module and a water level regulation module.
The water sump monitoring module is used for distributing each monitoring time point according to a preset time interval in the monitoring process of the water sump, further monitoring the liquid mud and the water level corresponding to each monitoring time point in the water sump, and obtaining the liquid mud information and the water level information corresponding to each monitoring time point in the water sump.
Among the above, the liquid mud information corresponding to each monitoring time point in the water sump comprises the liquid mud concentration, the content of various chemical components and the liquid mud thickness of each collecting point.
The chemical components include sulfuric acid, mercury, etc.
The liquid level information corresponding to each monitoring time point in the water sump comprises the highest water level height, the lowest water level height and the water level capacity.
In a specific embodiment, the monitoring of the liquid mud and the water level corresponding to each monitoring time point in the water sump is performed as follows: collecting the concentration of the liquid mud corresponding to each monitoring time point in the water bin through a turbidity meter; and collecting the content of various chemical components corresponding to each monitoring time point in the water sump through a water quality detector.
When the water sump is empty, an image of the water sump is acquired, a three-dimensional model of the water sump is built, a plurality of acquisition points are arranged at preset positions in the water sump, then a double-frequency ultrasonic sensor is installed on each acquisition point, when the water sump is used, the liquid mud thickness of each monitoring time point in the water sump corresponding to each acquisition point is acquired through each double-frequency ultrasonic sensor, the liquid mud thickness of each monitoring time point corresponding to each acquisition point is led into the three-dimensional model of the water sump, the running state of the water sump is simulated, the three-dimensional model of the water sump at each monitoring time point is obtained, and then the highest water level height, the lowest water level height and the water level capacity corresponding to each monitoring time point are obtained from the three-dimensional model of the water sump at each monitoring time point.
The dual-frequency ultrasonic sensor uses the propagation characteristics of ultrasonic waves at different frequencies to determine the thickness of the liquid mud by measuring the reflection and propagation time of the ultrasonic waves. The dual-frequency ultrasonic sensor can dynamically adjust measurement parameters according to the density, viscosity and other characteristics of the liquid mud so as to improve the accuracy and stability of measurement. The self-adaptive adjustment can ensure that the thickness of the liquid mud can be effectively measured under different working conditions, and the accuracy of a measurement result is improved.
The safety analysis module is used for calculating the safety value of the water sump at each monitoring time point according to the liquid mud information and the water level information corresponding to each monitoring time point in the water sump, analyzing the safety state of the water sump at each monitoring time point, and recording the monitoring time point as a regulation time point if the safety state of the water sump at a certain monitoring time point is in an abnormal state, so that each regulation time point is obtained.
In a specific embodiment, the safety state of the analysis water sump at each monitoring time point is specifically analyzed as follows: extracting the content of various chemical components, the concentration of the liquid mud and the thickness of the liquid mud at each collecting point from the liquid mud information corresponding to each monitoring time point in the water sump, and extracting the permissible content of various chemical components, the permissible liquid mud concentration, the permissible liquid mud thickness and the reference liquid mud thickness change rate from the database, so as to calculate the liquid mud safety value corresponding to each monitoring time point of the water sump, wherein the liquid mud safety value is recorded as , t represents the number corresponding to each monitoring time point, and t=1, 2.
In the above, the calculating the liquid mud safety value corresponding to each monitoring time point of the water sump specifically comprises the following steps: according to a calculation formula , a liquid mud safety value/> corresponding to each t monitoring time point of the water sump is obtained, wherein/> represents the allowable content of the i-th chemical component, and/> 、/>、/> represents the allowable liquid mud concentration, the allowable liquid mud thickness and the reference liquid mud thickness change rate respectively,/> represents the i-th chemical component content corresponding to the t monitoring time point in the water sump,/> represents the liquid mud concentration corresponding to the t monitoring time point in the water sump,/> 、/> represents the liquid mud thickness corresponding to the j-th collecting point in the water sump respectively,/> represents the interval duration between the monitoring time points, and/> 、/>、/>、/> represents the weight factor of the set chemical component content, the weight factor of the liquid mud thickness and the weight factor of the liquid mud thickness change rate respectively, i represents the number of each chemical component, i=1, 2..n, j represents the number of each t monitoring time point in the water sump, j=1, j=2...
It should be noted that 、/>、/>、/> is greater than 0 and less than 1.
The highest water level height, the lowest water level height and the water level capacity are extracted from the liquid level information corresponding to each monitoring time point in the water sump, the reference water level height interval and the reference water level capacity interval in the water sump are extracted from the database, and then the water level safety value corresponding to each monitoring time point of the water sump is calculated and recorded as .
In the above, the water level safety value corresponding to each monitoring time point of the water sump is calculated, and the specific calculation process is as follows: the highest water level height, the lowest water level height and the water level capacity corresponding to each monitoring time point in the water sump are respectively marked as 、/> and/> , the upper limit value and the lower limit value of the water sump reference water level height interval in the database are respectively marked as/> 、/>, and the upper limit value and the lower limit value of the water sump reference water level capacity interval in the database are respectively marked as/> 、/>.
According to a calculation formula , a water level safety value/> corresponding to the t-th monitoring time point of the water sump is obtained, wherein/> 、/>、/>、/> is respectively a set weight factor of the highest water level height, a set weight factor of the lowest water level capacity and a set weight factor of the highest water level capacity.
It should be noted that 、/>、/>、/> is greater than 0 and less than 1.
According to a calculation formula , a safety value corresponding to the t monitoring time point of the water sump is obtained, wherein/> 、/> is a set weight factor of the liquid mud safety value and a set weight factor of the water level safety value respectively.
It should be noted that 、/> is greater than 0 and less than 1.
Comparing the safety value corresponding to the water sump at each monitoring time point with a preset safety value threshold, if the safety value corresponding to the water sump at a certain monitoring time point is larger than the preset safety value threshold, judging that the safety state of the water sump at the monitoring time point is in a normal state, otherwise, judging that the safety state of the water sump at the monitoring time point is in an abnormal state, and judging that the safety state of the water sump at each monitoring time point is in a abnormal state.
The water sump regulation and control analysis module is used for acquiring a liquid mud safety value and a water level safety value corresponding to each regulation time point of the water sump, and further analyzing regulation and control modes of the water sump at each regulation time point, wherein the regulation and control modes comprise a dredging mode and a water level regulation and control mode.
In a specific embodiment, the analysis of the regulation mode of the water sump at each regulation time point is as follows: comparing the liquid mud safety value corresponding to the water sump at each regulation time point with a preset liquid mud safety value, and judging that the regulation mode corresponding to the water sump at the regulation time point is a dredging mode if the liquid mud safety value corresponding to the water sump at a certain regulation time point is smaller than the preset liquid mud safety value.
Comparing the water level safety value corresponding to the water sump at each regulation time point with a preset water level safety value, and if the water level safety value corresponding to the water sump at a certain regulation time point is smaller than the preset water level safety value, judging that the regulation mode corresponding to the water sump at the regulation time point is a water level regulation mode, and analyzing the regulation mode of the water sump at each regulation time point in the mode.
The water level regulation module is used for recording each regulation time point with a regulation mode being a water level regulation mode as each water control time point, further analyzing the water level regulation capacity of the water bin corresponding to each water control time point and carrying out corresponding regulation;
in a specific embodiment, the water level control capacity of the analysis water sump at each water control time point is determined according to the following specific analysis process: obtaining the liquid mud thickness of the water sump at each water control time point corresponding to each collecting point, obtaining the liquid mud average thickness of the water sump at each water control time point through average calculation, further comparing the liquid mud average thickness of the water sump at each water control time point with the reference liquid mud thickness corresponding to each reference water level capacity stored in the database, and if the liquid mud average thickness of the water sump at a certain water control time point is the same as the reference liquid mud thickness corresponding to a certain reference water level capacity, taking the reference water level capacity as the target water level capacity of the water sump at the water control time point, thereby obtaining the target water level capacity of the water sump at each water control time point.
And comparing the target water level capacity of the water sump at each water control time point with a water sump reference water level capacity interval stored in the database, and taking the difference value between the target water level capacity of the water sump at a water control time point and the water level capacity of the water sump as the water level regulation capacity if the target water level capacity of the water sump at a certain water control time point is within the water sump reference water level capacity interval.
If the target water level capacity of the water sump at a certain water control time point is larger than the upper limit value of the water sump reference water level capacity section, taking the difference value between the upper limit value of the water sump reference water level capacity section and the water level capacity as the water level regulation capacity, and if the target water level capacity of the water sump at a certain water control time point is smaller than the lower limit value of the water sump reference water level capacity section, taking the difference value between the lower limit value of the water sump reference water level capacity section and the water level capacity as the water level regulation capacity.
If the water level control capacity is negative, this indicates that water is discharged, and if the water level control capacity is positive, this indicates that water is added.
The execution terminal is used for executing corresponding operations according to the safety state of the water sump at each monitoring time point, the regulation and control mode of the water sump at each regulation and control time point and the water level regulation and control capacity of the water sump corresponding to each water control time point.
When the safety state of the water sump at a certain monitoring time point is in an abnormal state, the early warning device of the execution terminal carries out abnormal early warning prompt; and displaying the regulation mode of the water sump at each regulation time point and the water level regulation capacity of the water sump corresponding to each water control time point in a display device of the execution terminal, and carrying out water level regulation prompt on an early warning device of the execution terminal when the water sump is regulated according to the corresponding water level regulation capacity at a certain water control time point.
The database is used for storing allowable content, allowable liquid mud concentration, allowable liquid mud thickness and reference liquid mud thickness change rate of various chemical components in the water sump, storing a reference water level height interval and a reference water level capacity interval in the water sump, and storing reference liquid mud thickness corresponding to each reference water level capacity.
Referring to fig. 2, in a second aspect, the present invention provides a mining sump liquid mud dual-position monitoring method, which includes the following steps: step one, monitoring a water sump: and arranging each monitoring time point according to a preset time interval in the monitoring process of the water sump, further monitoring the liquid mud and the water level corresponding to each monitoring time point in the water sump, and obtaining the liquid mud information and the water level information corresponding to each monitoring time point in the water sump.
Step two, safety analysis: according to the liquid mud information and the water level information corresponding to each monitoring time point in the water sump, calculating the safety value of the water sump at each monitoring time point, analyzing the safety state of the water sump at each monitoring time point, and if the safety state of the water sump at a certain monitoring time point is in an abnormal state, marking the monitoring time point as a regulation time point, thereby obtaining each regulation time point.
Step three, water sump regulation and control analysis: and acquiring a liquid mud safety value and a water level safety value corresponding to the water sump at each regulation time point, and further analyzing the regulation mode of the water sump at each regulation time point, wherein the regulation mode comprises a dredging mode and a water level regulation mode.
Step four, water level regulation: and recording each regulation time point with the regulation mode being the water level regulation mode as each water control time point, further analyzing the water level regulation capacity of the water bin corresponding to each water control time point, and carrying out corresponding regulation.
Step five, operation execution: and executing corresponding operations according to the safety state of the water sump at each monitoring time point, the regulation mode of the water sump at each regulation time point and the water level regulation capacity of the water sump corresponding to each water control time point.
According to the embodiment of the invention, the liquid mud and the water level in the water sump are monitored through the double-frequency ultrasonic wave, so that the safety state of the water sump is analyzed, when the water sump is in an abnormal state, the regulation mode of the water sump is analyzed, when the regulation mode is dredging, the water sump is controlled to start dredging, when the regulation mode is water level regulation, the water level regulation capacity in the water sump is analyzed, the addition or the discharge of water is controlled, the problem of fuzzy analysis of the manual experience in the prior art is solved, the accuracy of monitoring the liquid mud in the water sump is greatly improved, the safety of the water sump is ensured, the safety risk in the water sump is reduced, the normal operation of the water sump is ensured, and meanwhile, the accuracy of dredging control in the water sump is improved, so that the safety and the economical efficiency of a mine drainage system are improved.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of the invention or beyond the scope of the invention as defined in the description.
Claims (8)
1. The mining sump liquid mud double-position monitoring system is characterized by comprising the following modules: the system comprises a water sump monitoring module, a server and an execution terminal; the server comprises a safety analysis module, a sump regulation analysis module and a water level regulation module;
The water sump monitoring module is used for distributing each monitoring time point according to a preset time interval in the monitoring process of the water sump, further monitoring the liquid mud and the water level corresponding to each monitoring time point in the water sump, and obtaining the liquid mud information and the water level information corresponding to each monitoring time point in the water sump;
The safety analysis module is used for calculating the safety value of the water sump at each monitoring time point according to the liquid mud information and the water level information corresponding to each monitoring time point in the water sump, analyzing the safety state of the water sump at each monitoring time point, and recording the monitoring time point as a regulation time point if the safety state of the water sump at a certain monitoring time point is in an abnormal state, so as to obtain each regulation time point;
The water sump regulation analysis module is used for acquiring a liquid mud safety value and a water level safety value corresponding to each regulation time point of the water sump, and further analyzing a regulation mode of the water sump at each regulation time point, wherein the regulation mode comprises a dredging mode and a water level regulation mode;
The water level regulation module is used for recording each regulation time point with a regulation mode being a water level regulation mode as each water control time point, further analyzing the water level regulation capacity of the water bin corresponding to each water control time point and carrying out corresponding regulation;
The execution terminal is used for executing corresponding operations according to the safety state of the water sump at each monitoring time point, the regulation and control mode of the water sump at each regulation and control time point and the water level regulation and control capacity of the water sump corresponding to each water control time point.
2. The mining sump liquid mud double-position monitoring system according to claim 1, wherein the liquid mud information corresponding to each monitoring time point in the sump comprises liquid mud concentration, various chemical component content and liquid mud thickness of each collecting point;
The liquid level information corresponding to each monitoring time point in the water sump comprises the highest water level height, the lowest water level height and the water level capacity.
3. The mining sump mud double-position monitoring system according to claim 1, wherein the safety state of the analysis sump at each monitoring time point is as follows:
extracting the content of various chemical components, the concentration of the liquid mud and the thickness of the liquid mud at each collecting point from the liquid mud information corresponding to each monitoring time point in the water sump, extracting the permissible content of various chemical components, the permissible liquid mud concentration, the permissible liquid mud thickness and the reference liquid mud thickness change rate from the database, further calculating the liquid mud safety value corresponding to each monitoring time point of the water sump, and recording the liquid mud safety value as , wherein t represents the number corresponding to each monitoring time point, and t=1, 2.
Extracting the highest water level height, the lowest water level height and the water level capacity from the liquid level information corresponding to each monitoring time point in the water sump, extracting a reference water level height interval and a reference water level capacity interval in the water sump from a database, and further calculating a water level safety value corresponding to each monitoring time point of the water sump, and marking as ;
According to a calculation formula , a safety value/> corresponding to the t monitoring time point of the water sump is obtained, wherein/> 、/> is a set weight factor of the liquid mud safety value and a set weight factor of the water level safety value respectively;
Comparing the safety value corresponding to the water sump at each monitoring time point with a preset safety value threshold, if the safety value corresponding to the water sump at a certain monitoring time point is larger than the preset safety value threshold, judging that the safety state of the water sump at the monitoring time point is in a normal state, otherwise, judging that the safety state of the water sump at the monitoring time point is in an abnormal state, and judging that the safety state of the water sump at each monitoring time point is in a abnormal state.
4. The mining sump liquid mud double-position monitoring system according to claim 3, wherein the liquid mud safety value corresponding to each monitoring time point of the sump is calculated by the following specific calculation process:
Obtaining a liquid mud safety value/> corresponding to each t monitoring time point of the water sump according to a calculation formula , wherein/> represents the allowable content of the i-th chemical component, 、/>、/> represents the allowable liquid mud concentration, the allowable liquid mud thickness and the reference liquid mud thickness change rate respectively,/> represents the i-th chemical component content corresponding to the t monitoring time point in the water sump, and/> represents the liquid mud concentration corresponding to the t monitoring time point in the water sump, the method comprises the steps that/(、/>) respectively represents the liquid mud thickness of the jth and the (t-1) th monitoring time points corresponding to the jth collecting point in the water sump, represents the interval duration between the monitoring time points,/(、/>、/>、/>) respectively represents the weight factors of the set chemical component content, the liquid mud concentration, the liquid mud thickness and the liquid mud thickness change rate, i represents the number of each chemical component, i=1, 2..n, j represents the number of each collecting point, and j=1, 2..m, n and m are all arbitrary integers larger than 2.
5. The mining sump liquid mud double-position monitoring system according to claim 3, wherein the water level safety value corresponding to each monitoring time point of the sump is calculated by the following specific calculation process:
the highest water level height, the lowest water level height and the water level capacity corresponding to each monitoring time point in the water sump are respectively marked as 、 and/> , the upper limit value and the lower limit value of the water sump reference water level height interval in the database are respectively marked as/> 、/>, and the upper limit value and the lower limit value of the water sump reference water level capacity interval in the database are respectively marked as/> 、/>;
according to a calculation formula , a water level safety value/> corresponding to the t-th monitoring time point of the water sump is obtained, wherein/> 、/>、/>、/> is respectively a set weight factor of the highest water level height, a set weight factor of the lowest water level capacity and a set weight factor of the highest water level capacity.
6. The mining sump liquid mud double-position monitoring system according to claim 1, wherein the analysis of the regulation mode of the sump at each regulation time point comprises the following specific analysis processes:
Comparing the liquid mud safety value corresponding to the water sump at each regulation time point with a preset liquid mud safety value, and judging that the regulation mode corresponding to the water sump at the regulation time point is a dredging mode if the liquid mud safety value corresponding to the water sump at a certain regulation time point is smaller than the preset liquid mud safety value;
Comparing the water level safety value corresponding to the water sump at each regulation time point with a preset water level safety value, and if the water level safety value corresponding to the water sump at a certain regulation time point is smaller than the preset water level safety value, judging that the regulation mode corresponding to the water sump at the regulation time point is a water level regulation mode, and analyzing the regulation mode of the water sump at each regulation time point in the mode.
7. The mining sump liquid mud double-position monitoring system according to claim 1, wherein the water level regulation capacity of the analysis sump corresponding to each water control time point is specifically analyzed as follows:
obtaining the liquid mud thickness of the water sump at each water control time point corresponding to each collecting point, obtaining the liquid mud average thickness of the water sump at each water control time point through average calculation, further comparing the liquid mud average thickness of the water sump at each water control time point with the reference liquid mud thickness corresponding to each reference water level capacity stored in a database, and if the liquid mud average thickness of the water sump at a certain water control time point is the same as the reference liquid mud thickness corresponding to a certain reference water level capacity, taking the reference water level capacity as the target water level capacity of the water sump at the water control time point, thereby obtaining the target water level capacity of the water sump at each water control time point;
Comparing the target water level capacity of the water sump at each water control time point with a water sump reference water level capacity interval stored in a database, and taking the difference value between the target water level capacity of the water sump at a water control time point and the water level capacity of the water sump as the water level regulation capacity if the target water level capacity of the water sump at a certain water control time point is within the water sump reference water level capacity interval;
If the target water level capacity of the water sump at a certain water control time point is larger than the upper limit value of the water sump reference water level capacity section, taking the difference value between the upper limit value of the water sump reference water level capacity section and the water level capacity as the water level regulation capacity, and if the target water level capacity of the water sump at a certain water control time point is smaller than the lower limit value of the water sump reference water level capacity section, taking the difference value between the lower limit value of the water sump reference water level capacity section and the water level capacity as the water level regulation capacity.
8. A mining sump mud double-position monitoring method using the mining sump mud double-position monitoring system according to any one of claims 1 to 7, characterized by comprising the steps of:
Step one, monitoring a water sump: arranging each monitoring time point according to a preset time interval in the monitoring process of the water sump, and further monitoring the liquid mud and the water level corresponding to each monitoring time point in the water sump to obtain liquid mud information and water level information corresponding to each monitoring time point in the water sump;
Step two, safety analysis: according to the liquid mud information and the water level information corresponding to each monitoring time point in the water sump, calculating the safety value of the water sump at each monitoring time point, analyzing the safety state of the water sump at each monitoring time point, and if the safety state of the water sump at a certain monitoring time point is in an abnormal state, marking the monitoring time point as a regulation time point, thereby obtaining each regulation time point;
Step three, water sump regulation and control analysis: acquiring a liquid mud safety value and a water level safety value corresponding to each regulation time point of the water sump, and further analyzing a regulation mode of the water sump at each regulation time point, wherein the regulation mode comprises a dredging mode and a water level regulation mode;
Step four, water level regulation: recording each regulation time point with the regulation mode being the water level regulation mode as each water control time point, further analyzing the water level regulation capacity of the water bin corresponding to each water control time point, and carrying out corresponding regulation;
Step five, operation execution: and executing corresponding operations according to the safety state of the water sump at each monitoring time point, the regulation mode of the water sump at each regulation time point and the water level regulation capacity of the water sump corresponding to each water control time point.
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