EP2247828A1 - Procédé pour assurer la commande d'installations d'exploitation par taille, en tenant compte de ressources en air de mine et de ressources de climatisation - Google Patents

Procédé pour assurer la commande d'installations d'exploitation par taille, en tenant compte de ressources en air de mine et de ressources de climatisation

Info

Publication number
EP2247828A1
EP2247828A1 EP08715854A EP08715854A EP2247828A1 EP 2247828 A1 EP2247828 A1 EP 2247828A1 EP 08715854 A EP08715854 A EP 08715854A EP 08715854 A EP08715854 A EP 08715854A EP 2247828 A1 EP2247828 A1 EP 2247828A1
Authority
EP
European Patent Office
Prior art keywords
resources
weather
monitored
longwall
computer unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08715854A
Other languages
German (de)
English (en)
Inventor
Martin Junker
Walter HERMÜLHEIM
Detlef Rother
Armin Friederich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAG AG
Original Assignee
RAG AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RAG AG filed Critical RAG AG
Publication of EP2247828A1 publication Critical patent/EP2247828A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F3/00—Cooling or drying of air
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/006—Ventilation at the working face of galleries or tunnels

Definitions

  • the invention relates to a method for controlling the extraction capacity of coal mined hard coal mining operations, both of a single longwall operation as well as in a combination of several run in a contiguous mine building Streb rehearsalen together.
  • the weather and air-conditioning resources to be supplied to an individual long-distance operation represent a limitation or limitation of the production capacity.
  • These weather and climate-related resources consist essentially of the influencing variables of the fresh weather to be supplied to a longwall operation, the refrigeration capacity of refrigeration systems used and the established gas extraction, with the aforementioned factors influence each other in part.
  • the weather speed must not exceed values of 4 m / s in the stretches and 6 m / s in the stretches, whereby, depending on the available cross sections, the amount of weather to be transmitted is limited.
  • the mountain temperature as well as the installed, preferably electrical power essentially determine the need for refrigeration capacity to be provided to ensure a physiologically acceptable climate for the operator, and finally, a limit of 1% and 1, 5% of methane in the weather flow, exceeding this will result in automatic shutdowns.
  • the methane concentration is in turn also dependent on the transmitted amount of weather as a dilution factor and can be further influenced or controlled by the operation of a gas extraction, the effectiveness of which is in turn dependent on the arrangement and the state of Gasabsaugebohrlöchern.
  • the invention is therefore based on the object of specifying a method of the aforementioned type, by means of which the best possible utilization of the extraction capacity of longwall coal mining operations is feasible.
  • the target data for the weather and air conditioning supply of a planned long-distance operation are determined at an assumed plan flow.
  • the installed capacity, the outgassing behavior of the seam to be recovered and the prevailing mountain temperature outgassing and climate forecasting calculations are performed depending on the planned production yield, with technical feasibility limits such as maximum permissible weather speeds, maximum possible cooler dimensions in relation to the longwall Track dimensions, maximum economically acceptable cold water mass flows and a maximum realizable vacuum in the gas extraction are observed.
  • the feasibility of the supply is also to be considered on the basis of the resources available in the mine building, taking into account the supply of further plants.
  • the first step is for the individual longwall operation
  • the first step is for the individual longwall operation
  • Both increased demand and shortage of individual long-distance farms can be compensated in an automated process by appropriate control by the computer unit across several Streb compassione, so that with the invention, the advantage of a performance optimization on the recovery capacity of an entire mine is possible.
  • Individual influencing factors such as the amount of weather, cooling capacity and gas extraction can also be regulated for individual long-distance farms as well as for several long-term farms.
  • the influencing variables for the weather and air-conditioning resources are individually monitored in the computer unit within setpoint / actual analyzes, and an automatic readjustment of the respective influencing variable takes place before reaching a set limit value for an individual influencing variable.
  • a priority list for the automated change of the supply of individual Streb compassionen is stored with weather and air conditioning resources;
  • the priority list can be freely parameterized as a function of the actual state of the individual longwall farms connected to a corresponding supply equalization.
  • the incoming actual data in the computer unit is subjected to a plausibility check for the exceeding of customary data deviations and that a fault message is generated in the presence of such deviations.
  • a plausibility check for the exceeding of customary data deviations and that a fault message is generated in the presence of such deviations.
  • the case may occur that one or more sensors fail or indicate significantly different signal sizes within a short transmission interval.
  • it can be determined in the computer unit whether the values transmitted by the sensors are within given limits. If there is a system-relevant disturbance, the system error can be logged and displayed.
  • the weather speed is monitored by means of at individual points in the longwall or the downstream sections.
  • the concentration of methane is monitored on the weather current, as well as the voltage applied to a gas manifold negative pressure as well as the discharged via a gas manifold volume flow and / or the methane concentration in the gas extraction.
  • the actual data determined in each case provide an indication of the respective current consumption of weather and air-conditioning resources which is to be compared with the corresponding desired data stored in the computer unit.
  • the soli-actual comparison can then be used to introduce appropriate changes in the supply of individual plants with weather and climate-related resources in an automated form.
  • at least several long-distance farms are to work around in the mine of a mine with a central refrigeration and a central gas extraction. It is assumed according to an embodiment of the invention that a strut A produces a metrologically detected raw coal flow in the order of its planned flow rate, which is usually recognized below the technically possible production maximum.
  • Sensors detect the concentration of methane gas at various points of the Abwetterstroms, so that with the data determined there, for example, reference variables M l, M2, M3 .... are recorded for the control of the weather and air conditioning resources. Furthermore, the voltage applied to the gas manifold negative pressure and also the methane concentration of the effluent in the gas manifold gas flow is detected, also the weather volume flows in the stratified operation associated routes. As further reference variables, the physical quantities for estimating the climate sum values determined in a manner known per se are also determined at selected locations with KLI 1, KLI 2, KLI 3. The weather volume flow required for the current operating state is adjusted with the aid of an OR combination of the reference variables M1, M2, M3 ...
  • a further control step for example, negative pressure and volumetric flow rate of the gas evacuation are then readjusted with regard to the optimal mixture composition for subsequent utilization of the extracted methane, as long as this does not affect the reference variables for the control of the weather and air conditioning resources.
  • negative pressure and volumetric flow rate of the gas evacuation are then readjusted with regard to the optimal mixture composition for subsequent utilization of the extracted methane, as long as this does not affect the reference variables for the control of the weather and air conditioning resources.
  • free weather and climate engineering resources of the aforementioned type are used for a total optimization of the mining power of the mine.
  • the cold water flow rates are automatically controlled so that the first possible complete in all ongoing longwall mining operations of the respective operating condition of the Streb jose triggered basic requirements are met.
  • Defaults for the control behavior for demand deviations up or down can be freely programmed in the sense of a priority list. This can manifest itself, for example, in a shutdown or re-allocation of long-distance farms or in a supply of climatically demanding farms with excess cold water. The same applies mutatis mutandis to the weather volume flows recorded as actual data.
  • a reduction in the total weather or cold water quantities at a partial load driven by the overall system mine can also be represented by the procedure according to the invention, unless there are technological reasons for a uniform loading of the weather or refrigeration machines used.
  • a raw coal flow stream-specific outgassing and climate forecast for the progressive Creation created by means of the first in the planning stage stored in the computer unit target data as specifications for the actual control are constantly updated.
  • These updated setpoints are correlated in the computer unit with the actual values actually determined. Differences found here can either directly indicate a specific individual deviation as the cause of the difference. In such a case identified individual deviation, for example, an automatic troubleshooting can be initiated, such as an automatic cleaning of a cooler with a drop in the cold water return temperature.
  • a checklist with notes and error messages can be created in the computer unit, on the basis of which a regulation of the associated reference variables as well as of the thus superimposed reference variables takes place. After the adjustment and, if necessary, restoration of the condition, any remaining deviations can be systematically stored in a database of the computer unit and used for a regular recalibration of the prognosis of outgassing and climate behavior used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Air Conditioning Control Device (AREA)
  • Feedback Control In General (AREA)
  • Ventilation (AREA)

Abstract

L'invention concerne un procédé pour assurer la commande du rendement d'installations d'exploitation par taille guidées dans des mines de houille souterraines, selon lequel, en raison des données à établir pour l'équipement en machines des installations d'exploitation par taille, ainsi que pour les paramètres de gisements applicables pour les zones exposées devant être parcourues par les différentes installations d'exploitation par taille, les besoins en ressources en air et en ressources de climatisation de chaque installation d'exploitation par taille, en capacité de refroidissement à maintenir des installations de refroidissement utilisées, ainsi qu'en aspiration de gaz à mettre en place, sont déterminés comme grandeurs d'influence pour une quantité de refoulement planifiée de l'installation d'exploitation par taille concernée, sous forme de données théoriques à stocker dans une unité de calcul sur la base d'air à acheminer. Pendant le fonctionnement continu, les données réelles concernant la quantité de refoulement de charbon brut ainsi que celles concernant l'air parcourant chaque installation d'exploitation par taille et celles concernant la capacité de refroidissement fournie ainsi que celles concernant l'aspiration de gaz sont détectées au moyen de capteurs mis en place et sont transmises à l'unité de calcul. En cas d'identification de besoins supplémentaires en ressources en air et en ressources de climatisation, les besoins sont couverts par mise en place d'un report des ressources excédentaires mises à disposition d'autres installations d'exploitation par taille. En cas d'identification de besoins moindres, les ressources excédentaires sont reportées sur d'autres installations d'exploitation par taille présentant des demandes correspondantes.
EP08715854A 2008-02-19 2008-02-19 Procédé pour assurer la commande d'installations d'exploitation par taille, en tenant compte de ressources en air de mine et de ressources de climatisation Withdrawn EP2247828A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/001267 WO2009103308A1 (fr) 2008-02-19 2008-02-19 Procédé pour assurer la commande d'installations d'exploitation par taille, en tenant compte de ressources en air de mine et de ressources de climatisation

Publications (1)

Publication Number Publication Date
EP2247828A1 true EP2247828A1 (fr) 2010-11-10

Family

ID=40219426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715854A Withdrawn EP2247828A1 (fr) 2008-02-19 2008-02-19 Procédé pour assurer la commande d'installations d'exploitation par taille, en tenant compte de ressources en air de mine et de ressources de climatisation

Country Status (5)

Country Link
US (1) US8380345B2 (fr)
EP (1) EP2247828A1 (fr)
CN (1) CN101970799A (fr)
AU (1) AU2008351277B2 (fr)
WO (1) WO2009103308A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022116B (zh) * 2009-09-23 2013-04-10 中国神华能源股份有限公司 用于连采设备的配套方法和系统
WO2015084363A1 (fr) 2013-12-05 2015-06-11 Hewlett-Packard Development Company, L.P. Identification d'un modèle de surveillance pour un service géré sur la base d'un accord sur le niveau de service
CN114528624B (zh) * 2022-02-16 2024-11-05 黄河勘测规划设计研究院有限公司 一种输水明渠水流加速方法及系统

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GB1494549A (en) * 1975-03-14 1977-12-07 Coal Ind Determining the concentration of sulphur in coal
GB1592616A (en) * 1977-06-21 1981-07-08 Coal Ind Bunkering system
DE2733405C3 (de) * 1977-07-23 1982-03-04 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Meßvorrichtung, insbesondere für untertage eingesetzte Walzenschrämmaschinen
DE3619216A1 (de) 1986-06-07 1987-12-10 Siemag Transplan Gmbh Verfahren und vorichtung zur kuehlung von untertaegigen grubenbauen und/oder der dort eingebauten maschinen
DE3729140A1 (de) * 1987-09-01 1989-03-09 Hense & Partner Ges Fuer Edv S System zum untertageabbau von mineralien
DE3729410A1 (de) 1987-09-03 1989-03-16 Diehl Gmbh & Co Laseroptisches abschlusselement
US4952000A (en) * 1989-04-24 1990-08-28 Thin Seam Miner Patent B.V., The Netherlands Method and apparatus for increasing the efficiency of highwall mining
US4968098A (en) * 1989-09-11 1990-11-06 Atlantic Richfield Company Coal seam discontinuity sensor and method for coal mining apparatus
DE4025551A1 (de) * 1989-09-25 1991-04-04 Spies Klaus Verfahren und vorrichtung zum steuern von gewinnungs- und vortriebsmaschinen laengs eines schnitthorizontes zwischen kohle und gestein
DE3941290A1 (de) * 1989-12-14 1991-06-20 Bochumer Eisen Heintzmann Verfahren fuer die ueberwachung und steuerung von betriebsablaeufen in einem bergmaennischen untertagebetrieb und ueberwachungs- und steuereinrichtung dazu
DE4040345C1 (en) 1990-12-17 1992-04-09 Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De Support frame for mining - has cooler with air blower in support frame and canopy with chamber for cooler
PL317871A1 (en) * 1995-04-26 1997-04-28 Arch Mineral Corp Apparatus for and method of continually mining coal
GB2325015B (en) * 1995-04-26 1999-02-17 Arch Mineral Corp Apparatus and method for continuous mining
DE10300387A1 (de) * 2003-01-09 2004-07-22 Udo Adam Verfahren zum Langfrontabbau von Flözflächen im Steinkohlenbergbau
DE10331909A1 (de) 2003-07-04 2005-01-20 Rheinmetall W & M Gmbh ABC-Sensoreinrichtung

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Also Published As

Publication number Publication date
AU2008351277B2 (en) 2011-07-14
WO2009103308A1 (fr) 2009-08-27
CN101970799A (zh) 2011-02-09
US8380345B2 (en) 2013-02-19
US20110029138A1 (en) 2011-02-03
AU2008351277A1 (en) 2009-08-27

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