CN103061743A - High-depth winze shaft blocking state observation monitoring method - Google Patents
High-depth winze shaft blocking state observation monitoring method Download PDFInfo
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- CN103061743A CN103061743A CN2012105270313A CN201210527031A CN103061743A CN 103061743 A CN103061743 A CN 103061743A CN 2012105270313 A CN2012105270313 A CN 2012105270313A CN 201210527031 A CN201210527031 A CN 201210527031A CN 103061743 A CN103061743 A CN 103061743A
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Abstract
The invention provides a high-depth winze shaft blocking state observation monitoring method. An observe cannon hole communicated with a high-depth winze is drilled, a flowing situation of ore in the high-depth winze when the ore is placed is observed through a voice and video frequency monitoring system after the high-depth winze is blocked, a vertical distance between a falling ore face and a central position of a cross position of the observe cannon hole and the high-depth winze, quantity of ore reserve is calculated, and the vertical distance between an ore face and the central position of the cross position of the observe cannon hole and the high-depth winze meets a setting distance requirements; a blocking position of the ore in the high-depth winze is measured; a blocking arc in a high-depth winze shaft is monitored, and stability degree of the blocking arc is judged. The high-depth winze shaft blocking state observation monitoring method provides scientific and reasonable basis for preparing a scheme to dredge the winze, and greatly improves safety work environment and labor strength of operating personnel and is accurate in ore placing control.
Description
Technical field
The invention belongs to the metallurgical mine technical field, relate to a kind of method of monitoring advanced drop shaft, particularly a kind of advanced pass blockage observation monitor method.
Background technology
Usually adopt the mode of production of the advanced drop shaft transportation of advantages such as thering is small investment, equipment is few, cost low and production capacity is large in the mining process.But in process of production advanced drop shaft also can often stop up, the accident such as landslide, have a strong impact on mine and produce, also to personal safety, bring great threat.
Generally by connection roadway, observe the blockage of drop shaft, but the existence of lateral pressure while flowing due to ore in pit shaft in the Pass drawing process makes the junction of drop shaft and connection roadway substantially block, and just can be observed after needing to be cut clearly.Yet, owing to can't judging the drop shaft block part in advance, when ore drawing to connecting taxiway base plate place is difficult to estimate to stop up the following ore faces of arch in pit shaft, often need ore drawing on one side, adopt artificial inserted link method to be surveyed on one side, until the ore faces in pit shaft put just can clear up Cha， ore deposit, the ore deposit quarrel cleaning of stopping up connection roadway to connecting taxiway base plate place after again by manual observation drop shaft stopping state.And, in ore drawing, artificial detection, cleaning ore deposit quarrel and in stopping up the whole process of observing, once the operating personnel is directly exposed in the scope of the huge air-shock wave injury formed after the slump of obstruction arch, can't ensure operating personnel's personal safety.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the purpose of this invention is to provide a kind of advanced pass blockage observation monitor method, ore drawing process, obstruction arch active situation and the local borehole wall of pass are monitored, made operating personnel's construction operation in security context.
For achieving the above object, the technical solution adopted in the present invention is: a kind of advanced pass blockage observation monitor method, after adopting the audio frequency and video monitoring system to stop up advanced drop shaft, pit shaft stops up arch and observes monitoring, for the scheme of formulating the dredging drop shaft provides scientific and reasonable reliable basis, ore drawing is controlled and is accurately put in place, reduced the security risk of the obstruction of observation drop shaft and drop shaft dredging work, this observation monitor method specifically carries out according to the following steps;
Step 1: from the horizontal return airway adjacent with advanced drop shaft to advanced drop shaft Drilling connection roadway, construction chamber and observe the big gun hole; Make to observe big gun hole one end and be connected with the construction chamber, the other end is connected with advanced drop shaft; Observe blasthole diameter and need meet the demand that video camera, sound pick-up and follow-up plugging handling explosive are placed of placing;
Step 2: after advanced drop shaft stops up, for the ore ore faces below block part in advanced drop shaft being put to observing below the big gun hole, need the Controlled ore drawing process, the observation of ore ore faces in pass is controlled, concrete grammar is:
1) the big gun hole is observed in dredging, sets up the video system that comprises sound pick-up, monitor, computer and the video camera of bringing into focus;
2) according to video camera front, sound pick-up after order, video camera and sound pick-up are sent into successively and are observed in the big gun hole, video camera is put to apart from observing big gun hole and 300～500mm position, advanced drop shaft intersection, adjusts the position of video camera, the video/audio debugging is normally;
The mobility status of ore while 3) by video system, observing ore drawing in advanced drop shaft, when advanced drop shaft ore ore faces is put to observing the big gun hole when following, stop ore drawing, measure in advanced drop shaft ore faces after transferring apart from the vertical distance of observing big gun hole and center, advanced drop shaft intersection; According to the needs of processing advanced drop shaft, set under ore faces and fall behind the vertical distance that distance is observed big gun hole and center, advanced drop shaft intersection, the Chu Kuangliang of bonding unit height drop shaft, calculate corresponding ore drawing amount, carry out quantitative ore drawing according to the ore drawing amount calculated, make the ore faces in advanced drop shaft meet the required distance of setting apart from the vertical distance of observing big gun hole and center, advanced drop shaft intersection, stop ore drawing;
5) according to advanced drop shaft production run record data, from the advanced drop shaft actual blockage time, start to put to till observing below the big gun hole to ore faces, calculate the blocking position of ore in advanced drop shaft by emitting ore amount and the advanced drop shaft storage ore deposit measurement of unit cross section;
Step 3: when ore faces is put to desired location in advanced drop shaft, the arch of the obstruction in advanced pass is monitored, by finishing analysis, monitored data, the degree of stability of arch is stopped up in judgement, and the formulation of stopping up processing scheme for drop shaft provides foundation; Concrete grammar is as follows:
1) open computer, the audio signal input computer that the video information of camera acquisition and sound pick-up gather;
2) check and analyze the information of collecting, and audio signal is converted into to waveform signal, by playback peak shape signal, the size dropped according to stone and time interval judgement drop shaft stop up the active situation of arch, and the stability of arch is stopped up in qualitative analysis.
The present invention observes monitor method by connection roadway, construction chamber and peep hole are set, and set up audio frequency, video facility to the control of ore drawing process, the monitoring of obstruction arch active situation and the work such as observation of the local borehole wall of pass, found out the reason that drop shaft stops up and caves in, for from formulating scientific and reasonable drop shaft maintenance scheme, providing technical guarantee, fundamentally eliminated production hidden danger.And make the construction operation of operating personnel in security context, avoided the generation of personal injury accident, blank that can't qualitative observation and analysis after having filled up domestic mine simultaneously advanced pass being stopped up.
The accompanying drawing explanation
Fig. 1 is after advanced drop shaft stops up, the structural representation formed from outside to supplementary observation engineerings such as this profundity ore pass construction contact wells.
Fig. 2 is that in the embodiment of the present invention, drop shaft is observed the condition diagram of Pass drawing after stopping up by observing the big gun hole.
Fig. 3 is that ore faces is put the condition diagram observed when following to observing the big gun hole in drop shaft shown in Fig. 2.
Fig. 4 is that the audio signal process gathered by the audio pickup device is processed the oscillogram formed.
In Fig. 1: 1. advanced drop shaft, 2. ventilation lane, 3. connection roadway, 4. the construction chamber, 5. observe big gun hole, 6. ventilating shaft.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Usually the raw ore that adopts advanced drop shaft transportation to exploit out in the mining process, the advantage such as have that small investment, equipment are few, cost low and production capacity is large, but the accidents such as advanced drop shaft also can often stop up, landslide, have a strong impact on the production in mine, also to personal safety, brings great threat.In order to find out, drop shaft stops up and the reason of landslide, fundamentally eliminates production hidden danger, is necessary pass is carried out to observation and analysis, in order to formulate scientific and reasonable drop shaft maintenance scheme.
All generally to observe the blockage of advanced drop shaft by connection roadway, but there is lateral pressure while flowing due to ore in advanced pass in advanced Pass drawing process, the junction of drop shaft and connection roadway is blocked basically, needs just can be observed after clear quarrel.Yet, when clear quarrel, owing to can't judging the drop shaft block part in advance, when ore drawing to connecting taxiway base plate place is difficult to estimate to stop up the following ore faces of arch in pit shaft, often need ore drawing on one side, on one side adopt artificial inserted link method to be surveyed, until ore faces put just can clear up Cha， ore deposit, the ore deposit quarrel cleaning of stopping up connection roadway to connecting taxiway base plate place after again by manual observation drop shaft stopping state.In ore drawing, artificial detection, cleaning ore deposit quarrel and in stopping up the whole process of observing, once the operating personnel forms in the scope of huge air-shock wave injury after being directly exposed to the slump of obstruction arch, cause operating personnel's personal safety to ensure.Therefore, when advanced drop shaft occurs to stop up, stop up the arch action message for collecting in detail advanced drop shaft, the advanced drop shaft of analysis-by-synthesis stops up the stability of arch, safe coefficient while with qualitative evaluation, processing advanced drop shaft obstruction construction, and provide design considerations for formulating advanced drop shaft obstruction processing scheme, be necessary advanced drop shaft is monitored.And system effectively observation and monitoring technique are not taked in current domestic mine after advanced pass is stopped up.In order to overcome above-mentioned problems of the prior art, the invention provides a kind of advanced pass blockage observation monitor method, by connection roadway, construction chamber and peep hole are set, and set up audio frequency, video facility and carry out the work such as observation to the control of ore drawing process, the monitoring of stopping up the arch active situation and the local borehole wall of pass, make operating personnel's construction operation in security context.The present invention observes monitor method specifically carry out according to the following steps:
Step 1: from the horizontal return airway 2 adjacent with advanced drop shaft 1 to advanced drop shaft 1 Drilling connection roadway 3, one end of connection roadway 3 communicates with horizontal return airway 2, the other end Drilling construction chamber 4 of connection roadway 3, observe big gun hole 5 from construction chamber 4 towards the sidewall Drilling of advanced drop shaft 1; Observe big gun hole 5 one ends and be connected with construction chamber 4, the other end is connected with advanced drop shaft 1.Connection roadway 3, construction chamber 4 and observation big gun hole 5 are arranged at and are easy to approach advanced drop shaft 1 and are convenient to process the position that advanced drop shaft 1 stops up.Observe the demand that big gun hole 5 diameters should be as far as possible little and satisfied placement video camera, sound pick-up and follow-up plugging handling explosive are placed, generally get 70～100mm; Observe big gun hole 5 downward-sloping, observing the axis in big gun hole 5 and the angle of horizontal direction is 30 °～45 °; Observing big gun hole 5 hole walls should be smooth, facilitates putting into and extracting out of video camera and sound pick-up.
For example: Hei Gou ore deposit 2# drop shaft connection roadway as shown in Figure 1 and the layout of observing the big gun hole.From horizontal return airway 2 to advanced drop shaft 1 Drilling connection roadway 3 successively, construction chamber 4 and observe big gun hole 5, observe big gun hole 5 and be connected with advanced drop shaft 1, the angle of observation big gun hole 5 axis and horizontal direction is 30 °.
Step 2: after advanced drop shaft 1 stops up, ore ore faces below block part in advanced drop shaft 1 is put to observing the big gun hole below 5, in order to follow-up obstruction arch is carried out to monitoring and the explosion treatment of stability, this just need to carry out the control of ore drawing process, the observation that is ore ore faces in pass is controlled, and concrete grammar is:
1) adopt stock to disclose hole, the ore deposit quarrel of observing the 5 interior obstructions of big gun hole is dredged, big gun hole 5 is observed in cleaning, sets up the video system that comprises sound pick-up, monitor, computer and the video camera of bringing into focus; Monitor is arranged near the home Pass drawing system, is convenient to dispatch ore drawing work;
Video camera adopts the all-in-one infrared camera that carries the LED infrared lamp, and focal length is 3.6mm or 6mm.
2) according to video camera front, sound pick-up after order, video camera and sound pick-up are sent in observation big gun hole 5 successively, video camera is put to distance observation big gun hole 5 and advanced drop shaft 1 300～500mm position, intersection, the position of the Image Adjusting video camera shown according to monitor, the video/audio debugging is normal;
3) during advanced drop shaft 1 interior ore drawing, observe the mobility status of advanced drop shaft 1 interior ore by video system, put to observing big gun hole 5 when following when advanced drop shaft 1 ore ore faces, observe big gun hole 5 and will become sky;
As, after in upper example, said Hei Gou ore deposit 2# drop shaft stops up, from observing the blocked situation of this drop shaft of observing in big gun hole 5 as shown in Figure 2, can find out that drop shaft is stopped up by ore.After this Pass drawing, the ore ore faces drops to observes the big gun hole below 5, and the situation in the drop shaft of now observing by video camera as shown in Figure 3, be can't see the ore ore faces from observing in big gun hole 5.
4) ore faces in advanced drop shaft 1 is transferred and is stopped ore drawing when observing big gun hole 5 with upper/lower positions, measures in advanced drop shaft 1 ore faces after transferring apart from observing the vertical distance of big gun hole 5 with advanced drop shaft 1 center, intersection; According to the needs of processing advanced drop shaft 1, set under ore faces and fall behind the vertical distance that distance is observed big gun hole 5 and advanced drop shaft 1 center, intersection, the Chu Kuangliang of bonding unit height drop shaft, calculate corresponding ore drawing amount, carry out quantitative ore drawing according to the ore drawing amount calculated, make the ore faces in advanced drop shaft 1 meet the required distance of setting apart from the vertical distance of observing big gun hole 5 and advanced drop shaft 1 center, intersection, stop ore drawing;
5) according to advanced drop shaft 1 production run record data, from the advanced 1 actual blockage time of drop shaft start to ore faces put to observe the big gun hole below 5 till, measure the blocking position of calculating advanced drop shaft 1 interior ore by emitting ore amount and unit cross section advanced drop shaft 1 storage ore deposit, use in order to subsequent treatment;
Step 3: when the interior ore faces of advanced drop shaft 1 is put to desired location, just need to carry out the monitoring of long period to the arch of the obstruction in advanced drop shaft 1 pit shaft, by monitoring the finishing analysis of data, the degree of stability of arch is stopped up in judgement, and the formulation of stopping up processing scheme for drop shaft provides foundation; Concrete grammar is as follows:
1) open computer, the audio signal input computer that the video information of camera acquisition and sound pick-up gather is also deposited, and carries out unmanned observation and monitors, and ordinary circumstance was by every two days monitoring periods;
2) information of being collected from the computer copy by the technician, information is checked to analysis, because the computer listening period is longer, the information content that copy is collected is also larger, for convenient search, audio signal is converted into to waveform signal, as shown in Figure 4, by playback peak shape signal, can hear and stop up the sound that the upper stone of arch drops, and the active situation of the size dropped according to stone and time interval judgement drop shaft obstruction arch, audio signal is strong, what play out is loud, and the stone dropped is also just relatively large; Drop interval time of stone is long, illustrates that to stop up arch relatively stable, and interval time is short, and poor stability, come qualitative analysis to stop up the stability of arch with this.
Connect example, after Hei Gou ore deposit 2# drop shaft stops up from observing big gun hole 5 and listening to and stop up audio signal that the arch ore falls and be converted into waveform signal, by this waveform signal of playback, see the crest occurred in waveform signal, the sound that is positioned at this crest place (a corresponding time point) produced while being exactly the ore whereabouts.
Processing after Hei Gou ore deposit 2# drop shaft stops up, from November, 2007, adopted the present invention to observe monitor method, from observing, monitors and analysis result, and it is comparatively desirable that effect is monitored in observation, and the processing scheme formulation that is drop shaft provides reliable foundation.As table 1, in the serious plugging handling statistics of 2# drop shaft, the obstruction on April 5th, 2008, October 10 and December 31, the obstruction arch of snoop results reflection is in active stage, stop up the arch Natural care in the situation that almost do not take measures, and, in other explosion treatment repeatedly, snoop results is to stop up skewback originally to stablize, in processing procedure, the situation of arch slump does not occur to stop up.
The serious plugging handling statistical form of table 1 2# drop shaft
The observation that the present invention observes monitor method adopt the audio frequency and video monitoring system to carry out the rear pit shaft obstruction of advanced drop shaft obstruction arch is monitored, for the scheme of formulating the dredging drop shaft provides scientific and reasonable reliable basis, greatly reduce the security risk of the obstruction of observation drop shaft and drop shaft dredging work simultaneously, there is significant social benefit.And, adopt the audio frequency and video monitoring system to carry out advanced drop shaft 1 and stop up the technology that rear ore drawing is controlled, greatly improved operating personnel's safe working environment and labour intensity, ore drawing is controlled and is accurately put in place.
Claims (6)
1. an advanced pass blockage is observed monitor method, after adopting the audio frequency and video monitoring system to stop up advanced drop shaft, pit shaft stops up arch and observes monitoring, for the scheme of formulating the dredging drop shaft provides scientific and reasonable reliable basis, ore drawing is controlled and is accurately put in place, reduced the security risk of the obstruction of observation drop shaft and drop shaft dredging work, it is characterized in that, this observation monitor method specifically carries out according to the following steps;
Step 1: from the horizontal return airway adjacent with advanced drop shaft to advanced drop shaft Drilling connection roadway, construction chamber and observe the big gun hole; Make to observe big gun hole one end and be connected with the construction chamber, the other end is connected with advanced drop shaft; Observe blasthole diameter and need meet the demand that video camera, sound pick-up and follow-up plugging handling explosive are placed of placing;
Step 2: after advanced drop shaft stops up, for the ore ore faces below block part in advanced drop shaft being put to observing below the big gun hole, need the Controlled ore drawing process, the observation of ore ore faces in pass is controlled, concrete grammar is:
1) the big gun hole is observed in dredging, sets up the video system that comprises sound pick-up, monitor, computer and the video camera of bringing into focus;
2) according to video camera front, sound pick-up after order, video camera and sound pick-up are sent into successively and are observed in the big gun hole, video camera is put to apart from observing big gun hole and 300～500mm position, advanced drop shaft intersection, adjusts the position of video camera, the video/audio debugging is normally;
The mobility status of ore while 3) by video system, observing ore drawing in advanced drop shaft, when advanced drop shaft ore ore faces is put to observing the big gun hole when following, stop ore drawing, measure in advanced drop shaft ore faces after transferring apart from the vertical distance of observing big gun hole and center, advanced drop shaft intersection; According to the needs of processing advanced drop shaft, set under ore faces and fall behind the vertical distance that distance is observed big gun hole and center, advanced drop shaft intersection, the Chu Kuangliang of bonding unit height drop shaft, calculate corresponding ore drawing amount, carry out quantitative ore drawing according to the ore drawing amount calculated, make the ore faces in advanced drop shaft meet the required distance of setting apart from the vertical distance of observing big gun hole and center, advanced drop shaft intersection, stop ore drawing;
5) according to advanced drop shaft production run record data, from the advanced drop shaft actual blockage time, start to put to till observing below the big gun hole to ore faces, calculate the blocking position of ore in advanced drop shaft by emitting ore amount and the advanced drop shaft storage ore deposit measurement of unit cross section;
Step 3: when ore faces is put to desired location in advanced drop shaft, the arch of the obstruction in advanced pass is monitored, by finishing analysis, monitored data, the degree of stability of arch is stopped up in judgement, and the formulation of stopping up processing scheme for drop shaft provides foundation; Concrete grammar is as follows:
1) open computer, the audio signal input computer that the video information of camera acquisition and sound pick-up gather;
2) check and analyze the information of collecting, and audio signal is converted into to waveform signal, by playback peak shape signal, the size dropped according to stone and time interval judgement drop shaft stop up the active situation of arch, and the stability of arch is stopped up in qualitative analysis.
2. advanced pass blockage observation monitor method according to claim 1, is characterized in that, observe the big gun hole in described step 1 downward-sloping, observing the axis in big gun hole and the angle of horizontal direction is 30 °～45 °.
3. advanced pass blockage observation monitor method according to claim 1, is characterized in that, in described step 2, video camera adopts the all-in-one infrared camera that carries the LED infrared lamp.
4. advanced pass blockage observation monitor method according to claim 3, is characterized in that, the focal length of described video camera is 3.6mm or 6mm
.
5. advanced pass blockage observation monitor method according to claim 1, is characterized in that, in described step 2, the sensitivity of sound pick-up should be able to accurately gather the small sound of recording in advanced pass.
6. advanced pass blockage observation monitor method according to claim 1, is characterized in that, in described step 3, monitoring while stopping up arch every two days is a monitoring period.
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| CN109356653A (en) * | 2018-11-01 | 2019-02-19 | 云南昆钢电子信息科技有限公司 | A kind of drop shaft depth measurement device and method |
| CN109798811A (en) * | 2018-12-26 | 2019-05-24 | 长沙矿山研究院有限责任公司 | A method of cleaning filling vertical tube condenses obturation |
| CN113756822A (en) * | 2020-04-28 | 2021-12-07 | 雷波明信实业发展有限公司 | High-pass shaft blocking condition observation system and observation method |
| CN114165282A (en) * | 2021-11-09 | 2022-03-11 | 湖南柿竹园有色金属有限责任公司 | Method for safely treating underground suspension arch large block |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114165282A (en) * | 2021-11-09 | 2022-03-11 | 湖南柿竹园有色金属有限责任公司 | Method for safely treating underground suspension arch large block |
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