CN100387806C - Gas preventing and control navigation system for coal mine production mine - Google Patents
Gas preventing and control navigation system for coal mine production mine Download PDFInfo
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- CN100387806C CN100387806C CNB2005100178560A CN200510017856A CN100387806C CN 100387806 C CN100387806 C CN 100387806C CN B2005100178560 A CNB2005100178560 A CN B2005100178560A CN 200510017856 A CN200510017856 A CN 200510017856A CN 100387806 C CN100387806 C CN 100387806C
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Abstract
The present invention relates to a gas prevention and control navigation system for coal mine production mines, which is realized by the following steps: relatively independent static information and dynamic information of mine environmental monitoring system information 110 are integrated, the static information and the dynamic information of mine excavating engineering system information 120 are integrated, relatively independent static information and dynamic information of mine ventilation system management information 130 are integrated, and relatively independent static information and dynamic information of gas geological information 140 are integrated; an actual gas isoline of a working surface is mined to be displayed on a digitized mining engineering plan and to be made a connection comparison with an analysis model library and an analysis method library of an identification analytical judgement unit 200, a GIS index system database is built, a gas prevention and management index system and a corresponding parameter critical index system are established, the supervision and reminder of daily management are conducted with a contrast method, and standard and limit exceeding parameters and positions thereof are displayed to give an acoustic-optic prewarning, and are displayed by visualized pictures and texts on the GIS digitized mining engineering plan, so the gas prevention and control navigation system for coal mine production mines is realized.
Description
One. technical field:
The present invention relates to a kind of system that gas explosion causes mine disaster that prevents and treats, particularly relate to a kind of coal mine production mine gas preventing and control air navigation aid.
Two, background technology:
As everyone knows, China is a big coal country, the output of coal accounts for the No. 1 in the world, coal is China's main energy sources simultaneously, nearly 900,000,000 peasants' in the vast rural area of China clothing, food, live, the provisional capital provides the energy by coal, keep normal life, thermal power generation has accounted for significant proportion in China's supply of electric power, mainly utilize coal to send heat energy, be converted into electric energy again, be engaged in the numerous scientific and technical personnel of coal mining industries and numerous miners development to Chinese national economy, huge contribution has been made in the industrial or agricultural modernization, in a sense, the numerous scientific and technical personnel and the coal miner that are engaged in coal mining industries have composed the heroic and moving song of praise of a first another head with their blood and sweat, for the mankind's material progress and cultural and ideological progress has been made irreplaceable contribution.Yet mine disaster causes very big stress constantly for scientific and technical personnel and miner, the scientific and technical personnel that are engaged in mining for a long time are that very big effort has been made in the mine disaster that prevents the gas explosion generation, the beginning of the eighties in last century, China has successively introduced a collection of safety monitoring system from Poland, France, Germany, Britain and the U.S. etc., has equipped the part colliery; When introducing, by digestion, absorb and, successively develop KJ2, KJ4, KJ8, KJ10, KJ13, KJ19, KJ38, KJ66, KJ75, KJ80, KJ92 monitoring system, and used in a large number in China in conjunction with the actual conditions of China's coal-mine.Practice shows that safety monitoring system is that crucial effect has been played in Safety of Coal Mine Production and management, and each innings ore deposit is as a great safety equipment.Along with electronic technology, the needs of the fast development of computer hardware technique and enterprise's self-growth, the KJ90 that released one after another again of domestic each main R﹠D institution and manufacturer, KJ95, KJ101, KJF2000, monitoring system such as KJ4/KJ2000 and KJG2000, and MSNM, safety of coal mines synthesization and digitalized network management system for monitoring such as WEBGIS, all these monitoring and controlling system major functions have: (1) Environmental Monitoring: mainly monitor the operating condition of each toxic and harmful and work plane under the coal mine, as methane, carbon monoxide, oxygen concentration, wind speed, negative pressure, temperature etc.(2) main ventilation equipment, facility monitoring: comprise main ventilation fan operational factor, huge fan start-stop, main air door switch, gas suction pump operational factor etc.(3) far distance controlled power down function, these electronic monitoring and control systems can only use at present relatively independently.
The coal mine excavation engineering system is the space back-up system that mine is produced, and is the main place of digging operation.Formed one by the key tunnel of continuous mine network system ground arrival sub-terrain mines (coal) layer, that constitute by go down the hill on pit shaft, the big lane of level, the exploiting field and stope etc. respectively.By the confined space that this key tunnel network system is provided, underground operators turnover and delay digging operation place, necessary fresh air input and pernicious gas output, the underground work place equipment needed thereby material of personnel are supplied, final products (coal) carry earthward and a series of normal and improper digging activities in production such as down-hole disaster prevention and rescue are just launched.The conventional art expression way of coal mine excavation engineering system is by mining engineering technician manual drawing " coal mine excavation engineering plan view ", at present, begun to apply the digitlization ore deposit diagram technology of " space information system is surveyed on ground, colliery " compilation " coal mine excavation engineering plan view " in some state-owned emphasis collieries, this technology will be the important prerequisite of coal mine production mine gas preventing and control airmanship for enforcement of the present invention.The application of digitlization ore deposit figure at present remains relatively independent, can not share with other monitoring systems to be used.
A distinguishing feature of coal mine excavation engineering system is: the space-time of down-hole mining operation constantly continues to increase and changes, and another distinguishing feature is that the colliery digging operation is directly in the face of underground natural geological disaster (water, gas, ore deposit pressure etc.) threat.Also must predict, prevent and evade the underground natural geological disaster when therefore the coal mine excavation engineering system must satisfy functional requirement effectively.The application of current mine mining operation system remains relatively independent, can not share with other monitoring systems to be used.
The ventilation network of mine ventilation management system is the lifeline of down-hole, the normal operation of its safety is the basic assurance that downhole safety is produced, be characterized in that ventilation network is very huge, complicated, disaster factors is a lot, crash analysis, prediction and rescue are extremely difficult, in case accident takes place, be difficult to for the moment place and correlation circumstance that the grasp accident takes place, understand fully the various situations such as ventilation network in place, disaster area and relevant area thereof in time, rapidly, exactly, the control room rapidly, is correctly made decisions and rescues chance calamity personnel to play an important role.
Mine ventilation system comprises airway (comprising downcast, returnairshaft, airway), ventilation equipment (distinguished and admirable control device such as air door, air regulator, air crossing, airtight, air measuring station) and ventilation fan (comprising main air blower, local blower fan).The application of current mine ventilation system remains relatively independent, can not share with other monitoring systems to be used.
Now, coal mine gas research is the difficult point and the hot spot technology of the whole world main producing coal country coal mining.The one, it is the major obstacle of restriction safety of coal mines, highly efficient and productive exploitation that gas is gushed out; The 2nd, coal and gas are outstanding to be the threat of Safety of Coal Mine Production maximum; The 3rd, the drawing-off gas atmosphere causes serious greenhouse effect; The 4th, gas is important energy, and China's gas resources occupies the third place in the world.How utilizing gas resources also is important research direction.The coalbed gas geology rule is that gas is gushed out, the important rule that gas is outstanding.Watt phase content, outburst amount size and coal and the outstanding control that is subjected to the geologic-tectonic evolution condition of gas take place, and exist tangible subregion, divide and be with feature.Application plate theory of construction and Tectonic Evolution theory, accomplish Region control mining area, Mining Area Control field with "nine squares", exploiting field, the distribution of getting high gas bearing district, coal seam, High Ground Stress Areas, extrusion shearing failure zone clear is the ingredient of the key technology of gas prediction and improvement.
The mine gas geological map is to be geographical base map with mining area master's mining coal seam base plate contour map, reflects that mainly mining area structural evolution effect preserves, composes the control of depositing to gas; The fracture of different directions is subjected to the control of structural evolution to coal and gas outburst risk; Each field with "nine squares" is residing construction location in the structure of mining area; The pressure property turned round structural belt and extruding, shear action form the structure coal and cause the division in complex structure district; The distribution and the prediction case in coal and gas outburst danger district, gas emission isopleth etc.
The getting working face gas-geologic map is gas Its Preventive Measures and the gas drainage under suction measure directly faced, will be along with the digging process, at any time collect, put in order and fill out all geologic informations of painting gas monitor data and exposure, especially to edit and record at any time the varied in thickness of craven fault and structure coal, the gas emission of establishment coal road and section is with differently change curve and the coal and the gas outbursts Prediction desired value variation diagram of quality factor, and gas outburst risk is forecast at any time.The application of coalbed gas geology and gas-geologic map at present remains relatively independent, can not share with other monitoring systems to be used, and the common problem that exists of above-mentioned technology is:
(1). current spatial data can not effectively be realized interdepartmental sharing, and with stored in file format, can not share by the interdepartmental graphical information in colliery with figure for now domestic mine geographical information system.As when ventilating department establishment ventilation plan, the tunnel that need repeat of the up-to-date mining operation product face figure that provides of survey department is put in order and ventilation legend symbol interpolation work over the ground.
(2). in wide area network, can not realize the dynamic queries of the real time data of figure and attribute.Existing mine geographical information system graphics edition function is that mine amount body is made, more easily to drawing aspect, mine than the aspects such as amateur mine graphics software of AIITOCAD, but figure can not show in T+M or can only check with static data in T+M, can not browse dynamic data by Terminal Server Client, can not on T+M, show the real-time monitored data that shows monitoring system among the figure, so the inquiry that reaches Remote Dynamic figure and data of sharing of colliery all departments geological information becomes the key issue that the digitlization colliery will solve.CN1438405A, application number: 03102494.7, denomination of invention is: " a kind of method that is used to prevent the coal mine gas coal-dust explosion ", it has proposed to adopt the air flowing dynamics principle of balanced cavitation erosion pore pressure difference method can eliminate the methane accumulation in back firedamp layer and tunnel fast, this patent application has proposed the method for preventing and treating of gas from certain part of certain angle, still do not have discovery to carry out the report of the research of coal mine production mine gas preventing and control air navigation aid on the whole at present.
Three. summary of the invention:
The objective of the invention is: utilize ground to survey space management information generalized information system, based on digitlization ore deposit figure, monitoring mining system, coal mine excavation engineering system, mine ventilation system, mine gas geology are added on the digitlization mining engineering plan, judge and realize coal mine production mine gas preventing and control air navigation aid by debating to know.
Technical scheme of the present invention is: a kind of coal mine production mine gas preventing and control air navigation aid, comprise the Active/Web GIS technology of utilizing, on the platform base of the ground survey spatial geographic information GIS of system, adopt multi-level Ciient/Server structure, Ethernet, ATM and Data Interchange Technology, Environmental Monitoring information 110 to coal mine production mine, coal mine excavation engineering information 120, mine ventilation system management information 130, mine gas geological information 140 is handled, the data in each its space of entity description in space are surveyed on the whole or local ground of its mine that collects by the hardware and software typing of computer, adopt the coordinate string, geometric data, graph data is expressed the position that each entity in the space is surveyed on described mine ground, shape, the measurement information of distance, adopt character string, various code signs, the attribute data of statistic is expressed described mine ground and is surveyed the relation data between each different entities in the space, set up the link information between each entity in the mine, on the digitlization mining engineering plan of described coal mine production mine, show the data acquisition in survey space, described mine ground, store, management, computing, the visual picture and text of analysis and judgement, static state and multidate information that mine environmental monitoring system information 110 is relatively independent are integrated, each monitoring point in mine laneway, stand, processing is revealed in the probe mounting position, and monitor numerical value in real time, capital equipment in the mine laneway, facility, processing is revealed in the position, and work condition state numerical value monitored, by the multi-source data interface with debate the corresponding connection of knowing in the judging unit 200 in index system storehouse, comparison, and be presented on the digitlization mining engineering plan; The static state and the multidate information of coal mine excavation engineering system information 120 is integrated, make up the digitlization mining engineering plan, colliery underworkings, equipment, facility, probe are reduced to after point, line, surface, this class of body have the geographical entity of three-dimensional key element, encode by unified geographical coordinate, realization is qualitative to it, location and quantitative description and expression, the coal-winning machine heading end is carried out a displacement activation processing, the coal-face attribute is pressed progress linear displacement activation processing, and be presented on the digitlization mining engineering plan, press the certain hour charting and upgrade; Static state and multidate information that mine ventilation system management information 130 is relatively independent are integrated, processing is revealed in various ventilation equipments position in the tunnel, periodic monitoring state parameter and numerical value, by the multi-source data interface with debate that the index system storehouse of knowing in the judging unit 200 is corresponding, comparison, judgement, and be presented on the digitlization mining engineering plan; Static state and multidate information that coalbed gas geology information 140 is relatively independent are integrated, with the high gas of the prediction in mine field with "nine squares" district, the outburst danger district, the outstanding edge activation processing that threatens the district, and with the actual gas isopleth of getting working face, be presented on the digitlization mining engineering plan, and with debate the analytical model storehouse of knowing analysis and judgement unit 200, the analytical method storehouse connects comparison, make up GIS and debate the assessment indicator system database of knowing judging unit 150, according to Safety of Coal Mine Production, set up the different index systems and the critical index system of relevant parameter of gas preventing and control administrative provisions, make up dangerous matter sources analytical model storehouse according to the gas zoning plan, according to the topological inclusion relation between spatial object between point and the face, the creation analysis method base, debate the knowledge safe distance with shortest path, with heading end or title driving point is the center of circle, with safe distance is radius, heading end whenever moves once and just draws circle once, if with the corresponding high gas of prediction district in the analytical model storehouse, the outburst danger district, the outstanding district's activation edge that threatens has intersection point, remind or report to the police, or be benchmark with the coal-face activation of wire, whenever move once all that translation is once forward with safe distance, if with the gas height, the activation edge in prominent district has intersection point, remind or early warning, daily management is monitored and reminded with method of comparison, regularly detect to upgrade and detect board, exceed the time limit not detect renewal, remind forecast immediately, show and the acousto-optic early warning with transfinite to exceeding standard parameter and position thereof of method of comparison, and be presented on the GIS digitlization mining engineering plan with visual picture and text.
Described coal mine production mine gas preventing and control air navigation aid, each monitoring point in the tunnel, stand, probe is the gas monitor station, gas pumping station, gas probe, pressure probe, the wind speed probe, the carbon monoxide probe, temp probe, oxygen probe and corresponding monitoring parameter value thereof, main fan operation parameter, portable blower is opened, stop, main air door is opened, close the gas pumping station operational factor, long distance power down function state of a control, set up unified coordinate system, basic roadway network comprises pit shaft, the big lane of level, go down the hill on the exploiting field and the key tunnel of mine network that stope constitutes, the seat earth isohypse, exploiting field, old dead zone, the position of current digging area, shape, distance, to adopting the strong point, the charting of face day is upgraded, and guarantees that the getting working face position is timely, accurately, be presented at reliably on the digitlization mining engineering plan; Ventilation network comprises airway, downcast, and returnairshaft, ventilation equipment comprise air door, air regulator, air crossing, airtight air measuring station, ventilation equipment comprise the promptly main fan of main air blower, and local blower fan is a portable blower, reveals processing, the monitor state parameter is set up index plate, detects, controls, manages, detect high, prominent gas district measuring point, gas is gushed out a little unusually, high gas stress face, stone head is taken off development end, the roadway linking point, gas detection point, pressure tap parameter and parameter value.
Described coal mine production mine gas preventing and control air navigation aid, debate index system storehouse and the relevant parameter threshold index system of knowing analysis and judgement unit 200, be included in gas density control index in the varying environment, the threshold index, temperature index, the carbonomonoxide concentration index, target oxygen concentration in the air, the monitoring periods index, the wind speed index, monitor as gas density, coal-face in present low gas and highly gassy mine will be installed methane transducer, promptly pop one's head in, gas alarming concentration 〉=1.0%CH4, outage concentration 〉=1.5%CH4, telegram in reply concentration＜1.0%CH4, and for example the gas probe is installed at coal petrography and gas projecting mine coal-face, gas alarming concentration 〉=0.5%CH4, the gas probe is installed in the gas pumping station output pipe when utilizing gas, gas alarming concentration 〉=30%CH4, a series of regulation threshold data, carrying out shortest path with spatial analysis in the analytical model storehouse judges, promptly adopt the shortest path labeling method, in the network of digging tunnel, seek to reach home or the optimal route scheme of two known points from starting point, determine that back production point distance is high, the beeline of prominent gas concentration zones, when heading end or coal-face apart from height, the extraneous activation of wire of prominent gas concentration zones or tomography has intersection point, during its safe distance≤100 meter, immediately sound, light is reminded, when heading end or coal-face apart from height, during extraneous activation of wire≤50 of prominent gas concentration zones or tomography meter, immediately sound, light is reported to the police, in the analytical method storehouse, comprise judgement with spatial analysis, in comprising analytic approach, promptly determine the topological inclusion relation of spatial object between point and the face, adopt the plumb line algorithm, determine a little, whether there is containment relationship between the face, whether run into tomography so that determine coal-face, the analysis in high gas district, to gas, temperature, carbon monoxide, pressure, wind speed, the real-time monitored data of oxygen, carry out the whether comparison of overcritical value of index with numerical analysis method, if be judged as "No", then only show absolute fix and numerical value, if be judged as "Yes", then carry out sound, light is reported to the police, display alarm position and numerical value; Daily management is monitored and reminded with method of comparison, as airtight, air door, air measuring station, leak out a little, the survey cycle in ten days is upgraded the monitoring board, and expiration is surveyed, or detects board and do not upgrade, and reminds forecast immediately, shows on GIS digitlization mining engineering plan.
Described coal mine production mine gas preventing and control air navigation aid, the real-time monitoring system that Minepit environment detection system information 110 is used is KJ90, or KJ95, or KJ101, or KJF2000, or KJ4/KJ2000, or KJG2000, or safe synthesization monitoring system MSNM, or digitalized network management system for monitoring WEBGIS, monitor gas substation probe data in real time, the gas drainage under suction pump discharge, pressure, concentration data, the air velocity transducer data, pressure sensor data, carbon monoxide transducer data, oxidation sensing data, each capital equipment facility floor data in the mine, comprise the ventilation fan operational factor, far distance controlled power down function state parameter, at regular intervals, upgrade once as actual measurement scanning in 30 seconds, and data are presented on the digitlization mining engineering plan by GIM wireless transmission or Optical Fiber Transmission.
Described coal mine production mine gas preventing and control air navigation aid, the digitlization mining engineering plan of GIS is a benchmark, dose various ventilation equipments by newly-built, each gas areal geology parameter, each monitors gas equipment and indispensable monitoring actual measurement parameter means and content, form gas preventing and control navigation system, utilize the kind of GIS technology ventilation legend symbol and the attribute of title figure layer, kind according to each title legend symbol, realization is to main fan, secondary fan, air regulator, air crossing, air measuring station, ventilation measuring point, airtight, leak out and a little dose and delete, typing to its index plate data, retouching operation, finish the ventilating fan monitoring form, secondary fan's monitoring form, the air door monitoring form, the air regulator monitoring form, the air crossing monitoring form, the air measuring station monitoring form, airtight monitoring form, the typing of a series of monitoring form data of a monitoring form of leaking out, revise, delete and dose operation, and finish audit to related data, inquiry and comparative analysis are judged, to main gas monitor substation, gas pumping station, stone drifting exposed coal face, the heavily stressed development end of high gas, pressure tap, high gas district, the gas bearing capacity isopleth, gas is gushed out unusually, projecting point, the outstanding district that threatens, the outburst danger district, the roadway linking point, the typing of gas detection point index plate data, revise, delete and dose operation, finish gas probe calibration monitoring form, the gas drainage system monitoring form, stone drifting exposed coal face monitoring form, the heavily stressed development end monitoring form of high gas, high gas district monitoring form, the driving face gas curve generation table of gushing out, back production face gas prediction curve generates table, the outstanding district's monitoring form that threatens, outburst danger district monitoring form, gas detection point monitoring form, connect the typing of monitoring form data, revise, the deletion and dose operation, finish the audit of related data, inquiry, compare of analysis and judgement.
Positive beneficial effect of the present invention is:
1. the design uniqueness of coal mine production mine gas preventing and control air navigation aid of the present invention, advanced practical.The present invention takes the lead in coal mining geology measurement space information, the monitoring mining system information, coal mine excavation engineering system information, mine ventilation system information, mine gas geological information and daily management information, produce, environment, the real-time status parameter is by debating on the integrated digitlization mining engineering plans that is added to such as knowing judgement, with visual graphics context mode the Real-time and Dynamic analyzing and diagnosing is carried out in the digging activity in production at mine scene, monitoring management, round Realization mine and the various composite factors of digging operation face are to the prediction of gas preventing and control, forecast, early warning, the prevention navigation feature, intuitively, science, reliably, and practical.
2. the integrated prior art of the present invention, the airmanship in fields such as aviation is transplanted in Safety of Coal Mine Production, apply to mine gas prevention and control through secondary development, realization is to the decision-making treatment of debating knowledge, control, prevention of the major hidden danger gas of Coal Production mining environment, at different levelsly manage commander, making a strategic decision provides rapid and reliable technical support.
3. coal mine production mine gas preventing and control air navigation aid of the present invention, software data structure is reasonable, is easy to expand, and is connected with business relations between system, and it both can closely be connected, again can dispersion treatment, also can be used in combination, satisfy the flexible needs of enterprise.
4. coal mine production mine gas preventing and control air navigation aid of the present invention, adopt centralized management, the distributed treatment data pattern, system's realization data are once imported, the overall situation is shared, meet consumers' demand, isomeric data is exchanged visits, total data is unified storage administration in the SQLewer200 of background database manager system, can strengthen information sharing, and realize mine gas prevention and control management information, be implemented in line analysis and online process decision-making, adopt the Act-ivex+webGIS technology to be implemented in real-time oversight mine gas prevention and control management on the gas preventing and control system drawing, and the realization classification is examined the police that disappears, evaluation, signature processing hidden danger, management responsibility is distinct, and management process is rigorous.
5. the present invention combines the various influence factors of mine gas prevention and control, systematically monitor the gas burst area comprehensively, mine disaster is eliminated in bud, in case have an accident, gas preventing and control navigation system for coal mine production mine of the present invention can intuitively, clearly show the site of an accident and scope, the reason of meeting accident.Gas preventing and control navigation system for coal mine production mine of the present invention has been obtained good effect in the use of inventor unit, has high application value.
6. the present invention has effectively realized the interdepartmental information sharing in spatial data mine, alleviate interdepartmental labour intensity significantly, overcome the drawback of the former duplication of labour, realize sharing and Remote Dynamic figure and digital inquiry of colliery all departments geological informations, improved operating efficiency greatly.
Four. description of drawings:
Fig. 1 is a coal mine production mine gas preventing and control air navigation aid general structure block diagram;
Fig. 2 is that the conceptual framework of GIS constitutes block diagram;
Fig. 3 knows judging unit logic theory block diagram for debating;
Fig. 4 is a kind of coal mine monitoring system information (KJ95 system) structural representation block diagram;
Fig. 5 is certain mine A ventilation system structural representation;
Fig. 6-1 is one of certain mine digitlization mining operation plane partial schematic diagram;
Fig. 6-2 is two of certain mine digitlization mining operation plane partial schematic diagram;
Fig. 7 is a certain face of certain mine A and high gas district safe distance reminding alarm structural representation;
Fig. 8 is that a certain digging operation face of certain mine A gas isopleth generates schematic diagram;
Fig. 9 is certain mine A ventilation equipment safety monitoring management system schematic diagram;
Figure 10 is a typical mine gas geological map;
Figure 11 is the gas-geologic map of a typical getting working face.
Five. the specific embodiment:
Embodiment: certain coal mine production mine gas preventing and control air navigation aid, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6-1, Fig. 6-2, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, wherein, Fig. 1, Fig. 2, Fig. 3 block diagram.
Fig. 4 obtains the block diagram of the various probe sensor parameter values of underworkings for certain coal mine uses the KJ95 monitoring system, probe sensor in the down-hole has the gas probe, the wind speed probe, temp probe, the carbon monoxide probe, the oxygen probe, motion switch, the sound and light alarm case, the serial expander, general wind station, various information reach the ground monitoring substation through fiber optic, again through the ground light terminal, be connected with standby monitoring host computer with monitoring host computer through interface, monitoring host computer reaches the industrial television giant-screen to monitor message respectively, the electronic display curtain, mimic panel, main control computer is connected with Fast Ethernet, and insert leaders' at different levels terminal computer, for leaders' at different levels commanding and decision-making provides platform.
Fig. 6-1, Fig. 6-2 is combined as certain mine digitlization mining engineering plan, shown network, ventilation system network, Coal Transport network, getting working face and the various sensor in the key tunnel of digging among the figure, ventilation equipment, facility installation site, as
Windburn door forever,
Air damper,
Windbreak, airtight,
It is fresh distinguished and admirable,
It is weary distinguished and admirable,
Transmission line,
Firedamp sensor,
Booster,
Outstation,
Air velocity transducer,
The CO sensor,
B/P EGR Back Pressure Transducer EGR,
Cutoff instrument,
The start-stop sensor,
The air door switch sensor,
The feed sensor,
The extraction monitoring sensor, temperature pick up, oxygen sensor, the parameter of which sensor transfinites, exceeds standard, and sound and light alarm shows immediately, and display parameter value and acousto-optic alert locations.
Acousto-optic is reminded sound and light alarm, caution when distance is 50 meters when being 100 meters of extraneous hot line safe distances in getting working face or coal-winning machine heading end distance high gas area among Fig. 7.
Fig. 8 is that A ore deposit getting working face isopleth generates schematic block diagram, has obviously shown upper and lower pair of lane, some location gas value among the figure than higher position, and has marked the high gas band of coal face part.
Fig. 9 is A ore deposit local ventilation installation security management system for monitoring monitoring effect figure, to the position of exceeding the time limit the not detect prompting of exceeding the time limit, CO is exceeded standard among the figure, and its position of acousto-optic early warning and parameter value, index plate position display are carried out in transfiniting of 35 ℃ of temperature.
Figure 10 is the gas-geologic map in somewhere, A ore deposit, has shown high gas district, stratum breaking band position among the figure, and gas threatens the district, outstanding gas point position, and gas is given prominence to the time, parameter value, gas test point, gas isopleth.
Figure 11 is the gas-geologic map of a certain face in A ore deposit.
Claims (5)
1. coal mine production mine gas preventing and control air navigation aid, comprise the Active/WebGIS technology of utilizing, on the platform base of the ground survey spatial geographic information GIS of system, adopt multi-level Ciient/Server structure, Ethernet, ATM and Data Interchange Technology, Environmental Monitoring information (110) to coal mine production mine, coal mine excavation engineering information (120), mine ventilation system management information (130), mine gas geological information (140) is handled, the data in each its space of entity description in space are surveyed on the whole or local ground of its mine that collects by the hardware and software typing of computer, adopt the coordinate string, geometric data, graph data is expressed the position that each entity in the space is surveyed on described mine ground, shape, the measurement information of distance, adopt character string, various code signs, the attribute data of statistic is expressed described mine ground and is surveyed the relation data between each different entities in the space, set up the link information between each entity in the mine, on the digitlization mining engineering plan of described coal mine production mine, show the data acquisition in survey space, described mine ground, store, management, computing, the visual picture and text of analysis and judgement, it is characterized in that: static state and multidate information that mine environmental monitoring information (110) is relatively independent are integrated, each monitoring point in mine laneway, stand, processing is revealed in the probe mounting position, and monitor numerical value in real time, capital equipment in the mine laneway, facility, processing is revealed in the position, and work condition state numerical value monitored, by the multi-source data interface with debate the corresponding connection of knowing in the judging unit (200) in index system storehouse, comparison, and be presented on the digitlization mining engineering plan; The static state and the multidate information of coal mine excavation engineering system information (120) is integrated, make up the digitlization mining engineering plan, colliery underworkings, equipment, facility, probe are reduced to after point, line, surface, this class of body have the geographical entity of three-dimensional key element, encode by unified geographical coordinate, realization is qualitative to it, location and quantitative description and expression, the coal-winning machine heading end is carried out a displacement activation processing, the coal-face attribute is pressed progress linear displacement activation processing, and be presented on the digitlization mining engineering plan, press the certain hour charting and upgrade; Static state and multidate information that mine ventilation system management information (130) is relatively independent are integrated, processing is revealed in various ventilation equipments position in the tunnel, periodic monitoring state parameter and numerical value, corresponding by the multi-source data interface with the index system storehouse in debating knowledge judging unit (200), comparison, judge, and be presented on the digitlization mining engineering plan: static state and multidate information that coalbed gas geology information (140) is relatively independent are integrated, with the high gas of the prediction in mine field with "nine squares" district, the outburst danger district, the outstanding edge activation processing that threatens the district, and with the actual gas isopleth of getting working face, be presented on the digitlization mining engineering plan, and with debate the analytical model storehouse of knowing analysis and judgement unit (200), the analytical method storehouse connects comparison, make up GIS and debate the assessment indicator system database of knowing judging unit (150), according to Safety of Coal Mine Production, set up the different index systems and the critical index system of relevant parameter I of gas preventing and control administrative provisions, make up dangerous matter sources analytical model storehouse according to the gas zoning plan, according to the topological inclusion relation between spatial object between point and the face, the creation analysis method base, debate the knowledge safe distance with shortest path, with heading end or title driving point is the center of circle, with safe distance is radius, heading end whenever moves once and just draws circle once, if with the corresponding high gas of prediction district in the analytical model storehouse, the outburst danger district, the outstanding district's activation edge that threatens has intersection point, remind or report to the police, or be benchmark with the coal-face activation of wire, whenever move once all that translation is once forward with safe distance, if with the gas height, the activation edge in prominent district has intersection point, remind or early warning, daily management is monitored and reminded with method of comparison, regularly detect to upgrade and detect board, exceed the time limit not detect renewal, remind forecast immediately, show and the acousto-optic early warning with transfinite to exceeding standard parameter and position thereof of method of comparison, and be presented on the GIS digitlization mining engineering plan with visual picture and text.
2. coal mine production mine gas preventing and control air navigation aid according to claim 1, it is characterized in that: in the tunnel each monitoring point, stand, probe is the gas monitor station, gas pumping station, the gas probe, pressure probe, the wind speed probe, the carbon monoxide probe, temp probe, oxygen probe and corresponding monitoring parameter value thereof, main fan operation parameter, portable blower is opened, stop, main air door is opened, close the gas pumping station operational factor, long distance power down function state of a control, set up unified coordinate system, basic roadway network comprises pit shaft, the big lane of level, go down the hill on the exploiting field and the key tunnel of mine network that stope constitutes, the seat earth isohypse, exploiting field, old dead zone, the position of current digging area, shape, distance, to the digging point, the charting of face day is upgraded, and guarantees that the getting working face position is timely, accurately, be presented at reliably on the digitlization mining engineering plan; Ventilation network comprises airway, downcast, and returnairshaft, ventilation equipment comprise air door, air regulator, air crossing, airtight air measuring station, ventilation equipment comprise the promptly main fan of main air blower, and local blower fan is a portable blower, reveals processing, the monitor state parameter is set up index plate, detects, controls, manages, detect high, prominent gas district measuring point, gas is gushed out a little unusually, high gas stress face, stone head is taken off development end, the roadway linking point, gas detection point, pressure tap parameter and parameter value.
3. coal mine production mine gas preventing and control air navigation aid according to claim 1, it is characterized in that: debate index system storehouse and the relevant parameter threshold index system of knowing analysis and judgement unit (200), be included in gas density control index in the varying environment, the threshold index, temperature index, the carbonomonoxide concentration index, target oxygen concentration in the air, the monitoring periods index, the wind speed index, carrying out shortest path with spatial analysis in the analytical model storehouse judges, promptly adopt the shortest path labeling method, in the network of digging tunnel, seek to reach home or the optimal route scheme of two known points from starting point, determine that back production point distance is high, the beeline of prominent gas concentration zones, when heading end or coal-face apart from height, the extraneous activation of wire of prominent gas concentration zones or tomography has intersection point, during its safe distance≤100 meter, immediately sound, light is reminded, when heading end or coal-face apart from height, during extraneous activation of wire≤50 of prominent gas concentration zones or tomography meter, immediately sound, light is reported to the police, in the analytical method storehouse, comprise judgement with spatial analysis, in comprising analytic approach, promptly determine the topological inclusion relation of spatial object between point and the face, adopt the plumb line algorithm, determine a little, whether there is containment relationship between the face, whether run into tomography so that determine coal-face, the analysis in high gas district, to gas, temperature, carbon monoxide, pressure, wind speed, the real-time monitored data of oxygen, carry out the whether comparison of overcritical value of index with numerical analysis method, if be judged as "No", then only show absolute fix and numerical value, if be judged as "Yes", then carry out sound, light is reported to the police, display alarm position and numerical value; Daily management is monitored and reminded with method of comparison, and on GIS digitlization mining engineering plan, show.
4. coal mine production mine gas preventing and control air navigation aid according to claim 1, it is characterized in that: the real-time monitoring system that Minepit environment detection system information (110) is used is KJ90, or KJ95, or KJ101, or KJF2000, or KJ4/KJ2000, or KJG2000, or safe synthesization monitoring system MSNM, or digitalized network management system for monitoring WEBGIS, monitor gas substation probe data in real time, the gas drainage under suction pump discharge, pressure, concentration data, the air velocity transducer data, pressure sensor data, carbon monoxide transducer data, oxidation sensing data, each capital equipment facility floor data in the mine, comprise the ventilation fan operational factor, far distance controlled power down function state parameter, at regular intervals, actual measurement scanning is upgraded once, and by GIM wireless transmission or Optical Fiber Transmission data is presented on the digitlization mining engineering plan.
5. according to the described coal mine production mine gas preventing and control of arbitrary claim air navigation aid in the claim 1～4, it is characterized in that: the digitlization mining engineering plan of GIS is a benchmark, dose various ventilation equipments by newly-built, each gas areal geology parameter, each monitors gas equipment and indispensable monitoring actual measurement parameter means and content, form gas preventing and control navigation system, utilize the kind of GIS technology ventilation legend symbol and the attribute of title figure layer, kind according to each title legend symbol, realization is to main fan, secondary fan, air regulator, air crossing, air measuring station, ventilation measuring point, airtight, leak out and a little dose and delete, typing to its index plate data, retouching operation, finish the ventilating fan monitoring form, secondary fan's monitoring form, the air door monitoring form, the air regulator monitoring form, the air crossing monitoring form, the air measuring station monitoring form, airtight monitoring form, the typing of a series of monitoring form data of a monitoring form of leaking out, revise, delete and dose operation, and finish audit to related data, inquiry and comparative analysis are judged, to main gas monitor substation, gas pumping station, stone drifting exposed coal face, the heavily stressed development end of high gas, pressure tap, high gas district, the gas bearing capacity isopleth, gas is gushed out unusually, projecting point, the outstanding district that threatens, the outburst danger district, the roadway linking point, the typing of gas detection point index plate data, revise, delete and dose operation, finish gas probe calibration monitoring form, the gas drainage system monitoring form, stone drifting exposed coal face monitoring form, the heavily stressed development end monitoring form of high gas, high gas district monitoring form, the driving face gas curve generation table of gushing out, back production face gas prediction curve generates table, the outstanding district's monitoring form that threatens, outburst danger district monitoring form, gas detection point monitoring form, connect the typing of monitoring form data, revise, the deletion and dose operation, finish the audit of related data, inquiry, compare of analysis and judgement.
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