CN104614770A - Exploration device and method of resource gobs - Google Patents
Exploration device and method of resource gobs Download PDFInfo
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- CN104614770A CN104614770A CN201510037465.9A CN201510037465A CN104614770A CN 104614770 A CN104614770 A CN 104614770A CN 201510037465 A CN201510037465 A CN 201510037465A CN 104614770 A CN104614770 A CN 104614770A
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Abstract
The invention discloses an exploration device of resource gobs. The exploration device of the resource gobs is convenient to operate and reliable in exploration result, and can achieve rapid and precise exploration of the remaining gobs of a city sinking area, a mine collapse area and the like, generated after resources are extracted and exploited. The exploration device of the resource gob comprises a shallow earthquake scattering device, a drill hole number imaging device and a microprocessor, wherein the shallow earthquake scattering device comprises a signal collector and a data processing unit, earthquake wave excitation data is obtained through the signal collector, data obtained by earthquake scattering grid intervals and the data processing unit is used to arrange an earthquake wave excitation orthogonal net array, earthquake scattering profile data is obtained through shock excitation, an earthquake scattering three dimensional orthogonal space diagram is built through the microprocessor by using a synthetic aperture migration imaging technology, and then the earthquake scattering three dimensional orthogonal space diagram is used to analyze structure of stratums and fractures and distribution of the gobs. Optimal drilling points are set, and the drill hole number imaging device is used to reconstruct three dimensional distribution bodies, analyze the size and distribution of the gobs, and obtain specific positions and ranges of the gobs. The invention further provides a method which uses the exploration device of the resource gobs.
Description
Technical field
The invention belongs to the technical field of subsurface investigation, relate to a kind of prospecting apparatus and method of resource goaf particularly.
Background technology
At present, the detection of opening, taking out the goaf of causing both at home and abroad to resource mainly adopts earthquake and electromagnetism two kinds of technology.Seismic technology is two and three dimensions reflection seismic art mainly; Electromagnetic method comprises: CSAMT, transient electromagnetic, high-density electric, conductivity etc.The outstanding advantages of seismic technology is that resolution is high, investigation depth large, accurate positioning, is the prefered method of Mined-Out Areas.Electromagnetic method is not suitable for the Mined-Out Areas on the low or lack of water stratum of stratum water percentage, and its result exists the low and limitation of accuracy rate.Current seismic method is based upon on reflection seismic theoretical foundation, does not have electromagnetic method to be widely used, except the higher factor of working cost, also relevant with the limitation of seismic reflection method.
Prospecting by boring method is one detection method the most intuitively, but boreholes drilling is " a peephole view " after all, and the shortcoming that range of control is little is also apparent, so there is no use in the field of detecting in resource goaf.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of prospecting apparatus of resource goaf is provided, it is easy to operate, probe result is reliable, can realize resource take out, exploit the depression of rear city, cave-in areas etc. leave over dead zone quick, precisely verify.
Technical solution of the present invention is: the prospecting apparatus in this resource goaf, and this device comprises shallow earthquake scattering device, boring digital imaging apparatus, microprocessor; Shallow earthquake scattering device comprises signal picker and data processing unit;
Seismic event excited data is obtained, according to earthquake scatter grid spacing and data by signal picker
The data placement seismic event that processing unit obtains encourages orthogonal net battle array, obtains earthquake fall apart by impulsing
Penetrate cross-sectional data, adopt synthetic aperture migration and imaging techniques, set up earthquake by microprocessor
Scattering three-dimensional orthogonal stereographic map, analyzes stratum, rift structure and goaf distribution;
Arrange according to the seismic scattering three-dimensional orthogonal stereographic map built and optimize boring point, by boring digital imaging apparatus reconstruct goaf distributed in three dimensions body, analyze goaf distribution and volume, thus obtain particular location and the scope thereof in goaf.
Additionally provide a kind of method adopting the prospecting apparatus in this resource goaf, comprise the following steps:
(1) choose resource to take out, exploit critical regions, determine formation lithology and hydrogeological situation;
(2) according to formation lithology and hydrogeological situation, calculate seismic scattering mesh spacing λ/3, wherein λ=VT, λ are wavelength, and V is velocity of wave, and T is the cycle;
(3) the data placement seismic event obtained according to earthquake scatter grid spacing and data processing unit encourages orthogonal net battle array, seismic scattering cross-sectional data is obtained by impulsing, adopt synthetic aperture migration and imaging techniques, set up seismic scattering three-dimensional orthogonal stereographic map by microprocessor, analyze stratum, rift structure and goaf distribution;
(4) according to the seismic scattering three-dimensional orthogonal stereographic map built, determine doubtful goaf particular location and distribution situation, arrange and optimize boring point;
(5) according to optimization boring point, by boring digital imaging apparatus reconstruct goaf distributed in three dimensions body, analyze goaf distribution and volume, thus obtain particular location and the scope thereof in goaf.
The present invention adopts shallow earthquake scattering device and boring digital imaging apparatus, first determines net battle array mesh spacing, lays some surveys line formation seismic event and encourages orthogonal net battle array; By the seismic scattering stratigraphic section data obtaining every bar survey line that impulse, generate three-dimensional orthogonal stereographic map; And then optimization boring point is set; Digital imagery scanning is carried out in following utilization boring, obtains boring digital picture and data result, obtains goaf and specifically distributes and the information such as volume; Finally, the range and position obtaining goaf defines; Therefore easy to operate, the method for surveying of this prospecting apparatus is simple, and probe result is reliable, can realize resource take out, exploit the depression of rear city, cave-in areas etc. leave over dead zone quick, precisely verify.
Accompanying drawing explanation
Fig. 1 shows the process flow diagram adopted according to the method for the prospecting apparatus in resource goaf of the present invention.
Fig. 2 shows the schematic diagram adopted according to a specific embodiment of the method for the prospecting apparatus in resource goaf of the present invention.
Embodiment
The prospecting apparatus in this resource goaf, this device comprises shallow earthquake scattering device, boring digital imaging apparatus, microprocessor; Shallow earthquake scattering device comprises signal picker and data processing unit;
Seismic event excited data is obtained, according to earthquake scatter grid spacing and data by signal picker
The data placement seismic event that processing unit obtains encourages orthogonal net battle array, obtains earthquake fall apart by impulsing
Penetrate cross-sectional data, adopt synthetic aperture migration and imaging techniques, set up earthquake by microprocessor
Scattering three-dimensional orthogonal stereographic map, analyzes stratum, rift structure and goaf distribution;
Arrange according to the seismic scattering three-dimensional orthogonal stereographic map built and optimize boring point, by boring digital imaging apparatus reconstruct goaf distributed in three dimensions body, analyze goaf distribution and volume, thus obtain particular location and the scope thereof in goaf.
In addition, described signal picker has 24 passages, sampling interval 20 microsecond, sampling length 120K.
In addition, described boring digital imaging apparatus comprises laser probe, cable, orientation lever, compass and microcomputer; This laser probe comprises generating laser and laser pickoff, measurement range 100m, precision 5cm, speed of rotation 60 °/s.
As shown in Figure 1, additionally provide a kind of method adopting the prospecting apparatus in this resource goaf, comprise the following steps:
(1) choose resource to take out, exploit critical regions, determine formation lithology and hydrogeological situation;
(2) according to formation lithology and hydrogeological situation, calculate seismic scattering mesh spacing λ/3, wherein λ=VT, λ are wavelength, and V is velocity of wave, and T is the cycle;
(3) the data placement seismic event obtained according to earthquake scatter grid spacing and data processing unit encourages orthogonal net battle array, seismic scattering cross-sectional data is obtained by impulsing, adopt synthetic aperture migration and imaging techniques, set up seismic scattering three-dimensional orthogonal stereographic map by microprocessor, analyze stratum, rift structure and goaf distribution;
(4) according to the seismic scattering three-dimensional orthogonal stereographic map built, determine doubtful goaf particular location and distribution situation, arrange and optimize boring point;
(5) according to optimization boring point, by boring digital imaging apparatus reconstruct goaf distributed in three dimensions body, analyze goaf distribution and volume, thus obtain particular location and the scope thereof in goaf.
The present invention adopts shallow earthquake scattering device and boring digital imaging apparatus, first determines net battle array mesh spacing, lays some surveys line formation seismic event and encourages orthogonal net battle array; By the seismic scattering stratigraphic section data obtaining every bar survey line that impulse, generate three-dimensional orthogonal stereographic map; And then optimization boring point is set; Digital imagery scanning is carried out in following utilization boring, obtains boring digital picture and data result, obtains goaf and specifically distributes and the information such as volume; Finally, the range and position obtaining goaf defines; Therefore easy to operate, the method for surveying of this prospecting apparatus is simple, and probe result is reliable, can realize resource take out, exploit the depression of rear city, cave-in areas etc. leave over dead zone quick, precisely verify.
In addition, in described step (2), V=2000m/s ~ 3000m/s, T=0.002s.
In addition, in described step (2), mesh spacing is 1.5m.
In addition, in described step (4), preferentially drill as principle with maximum goaf, arrange and optimize boring point.
As shown in Figure 2, whole implementation process is: digital imagery → goaf distributed in three dimensions body → goaf range and position → proposition control measures is determined → holed in shallow earthquake scattering cross section → structure three-dimensional orthogonal stereographic map → doubtful goaf.Specific implementation process is as follows:
1. collection, analysis project geology and Hydrogeological Work achievement, choose resource and take out, exploit critical regions, determine formation lithology and hydrogeological situation.
2., in conjunction with goaf lithology distributions feature, (λ=VT, gets λ/3, wherein to calculate seismic scattering mesh spacing, λ is wavelength, and V is velocity of wave, and T is the cycle, sand, mud stone velocity of wave get V=2000m/s ~ 3000m/s, and cycle T gets 0.002s, and mesh spacing gets 1.5m).
3. arrange seismic event excitation net battle array, according to different earthquake scattering cross section data, adopt synthetic aperture migration and imaging techniques, set up seismic scattering three-dimensional orthogonal stereographic map, analyze stratum, rift structure and goaf distribution.
4. according to building seismic scattering three-dimensional orthogonal stereographic map, determining doubtful goaf particular location and distribution situation, preferentially drilling as principle with maximum goaf, optimize boring point and arrange.
5. according to the plan of establishment of optimization boring point, utilize boring digital imaging technology, reconstruct goaf distributed in three dimensions body, analyzes the information such as goaf distribution and volume, finds out particular location and the scope thereof in goaf.
6. formed based on shallow earthquake scattering and the boring Exhausted area prospecting technology that combines of digital imagery and scope definition method, proposition dead zone be meticulous, quick detection and scope definition technical scheme.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. the prospecting apparatus in resource goaf, is characterized in that: this device comprises shallow earthquake scattering device, boring digital imaging apparatus, microprocessor; Shallow earthquake scattering device comprises signal picker and data processing unit;
Seismic event excited data is obtained by signal picker, orthogonal net battle array is encouraged according to the data placement seismic event that earthquake scatter grid spacing and data processing unit obtain, seismic scattering cross-sectional data is obtained by impulsing, adopt synthetic aperture migration and imaging techniques, set up seismic scattering three-dimensional orthogonal stereographic map by microprocessor, analyze stratum, rift structure and goaf distribution;
Arrange according to the seismic scattering three-dimensional orthogonal stereographic map built and optimize boring point, by boring digital imaging apparatus reconstruct goaf distributed in three dimensions body, analyze goaf distribution and volume, thus obtain particular location and the scope thereof in goaf.
2. the prospecting apparatus in resource goaf according to claim 1, is characterized in that: described signal picker has 24 passages, sampling interval 20 microsecond, sampling length 120K.
3. the prospecting apparatus in resource goaf according to claim 1, is characterized in that: described boring digital imaging apparatus comprises laser probe, cable, orientation lever, compass and microcomputer; This laser probe comprises generating laser and laser pickoff, measurement range 100m, precision 5cm, speed of rotation 60 °/s.
4. adopt a method for the prospecting apparatus in resource goaf according to claim 1, it is characterized in that: comprise the following steps:
(1) choose resource to take out, exploit critical regions, determine formation lithology and hydrogeological situation;
(2) according to formation lithology and hydrogeological situation, calculate seismic scattering mesh spacing λ/3, wherein λ=VT, λ are wavelength, and V is velocity of wave, and T is the cycle;
(3) the data placement seismic event obtained according to earthquake scatter grid spacing and data processing unit encourages orthogonal net battle array, seismic scattering cross-sectional data is obtained by impulsing, adopt synthetic aperture migration and imaging techniques, set up seismic scattering three-dimensional orthogonal stereographic map by microprocessor, analyze stratum, rift structure and goaf distribution;
(4) according to the seismic scattering three-dimensional orthogonal stereographic map built, determine doubtful goaf particular location and distribution situation, arrange and optimize boring point;
(5) according to optimization boring point, by boring digital imaging apparatus reconstruct goaf distributed in three dimensions body, analyze goaf distribution and volume, thus obtain particular location and the scope thereof in goaf.
5. method according to claim 4, is characterized in that: in described step (2), V=2000m/s ~ 3000m/s, T=0.002s.
6. method according to claim 5, is characterized in that: in described step (2), and mesh spacing is 1.5m.
7. method according to claim 6, is characterized in that: in described step (4), preferentially drill as principle with maximum goaf, arranges and optimizes boring point.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589094A (en) * | 2015-12-16 | 2016-05-18 | 辽宁工程技术大学 | Detection device and detection method for unidentified gob |
| CN109029343A (en) * | 2018-06-29 | 2018-12-18 | 青岛理工大学 | Method for determining unknown goaf range and old goaf residual settlement |
| CN109343107A (en) * | 2018-09-30 | 2019-02-15 | 中国葛洲坝集团易普力股份有限公司 | A kind of accurate and safe bore detecting method in goaf |
| CN110318734A (en) * | 2019-06-25 | 2019-10-11 | 江西理工大学 | A kind of method and system suitable for close the goaf information collection |
| CN110348568A (en) * | 2019-07-16 | 2019-10-18 | 山东科技大学 | A kind of deep Mined-Out Areas method suitable for strong electromagnetic area |
| CN110531406A (en) * | 2019-08-20 | 2019-12-03 | 北京科技大学 | The accurate method for surveying of disease and device are lain concealed in a kind of underground |
| CN115993103A (en) * | 2023-03-22 | 2023-04-21 | 中国矿业大学(北京) | Goaf volume determination method and goaf volume determination device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589094A (en) * | 2015-12-16 | 2016-05-18 | 辽宁工程技术大学 | Detection device and detection method for unidentified gob |
| CN109029343A (en) * | 2018-06-29 | 2018-12-18 | 青岛理工大学 | Method for determining unknown goaf range and old goaf residual settlement |
| CN109029343B (en) * | 2018-06-29 | 2021-08-24 | 青岛理工大学 | Method for determining unknown goaf range and old goaf residual settlement |
| CN109343107A (en) * | 2018-09-30 | 2019-02-15 | 中国葛洲坝集团易普力股份有限公司 | A kind of accurate and safe bore detecting method in goaf |
| CN109343107B (en) * | 2018-09-30 | 2020-05-08 | 中国葛洲坝集团易普力股份有限公司 | Precise and safe drilling detection method for goaf |
| CN110318734A (en) * | 2019-06-25 | 2019-10-11 | 江西理工大学 | A kind of method and system suitable for close the goaf information collection |
| CN110348568A (en) * | 2019-07-16 | 2019-10-18 | 山东科技大学 | A kind of deep Mined-Out Areas method suitable for strong electromagnetic area |
| CN110348568B (en) * | 2019-07-16 | 2021-02-23 | 山东科技大学 | Deep goaf detection method suitable for strong electromagnetic interference area |
| CN110531406A (en) * | 2019-08-20 | 2019-12-03 | 北京科技大学 | The accurate method for surveying of disease and device are lain concealed in a kind of underground |
| CN115993103A (en) * | 2023-03-22 | 2023-04-21 | 中国矿业大学(北京) | Goaf volume determination method and goaf volume determination device |
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Effective date of registration: 20160205 Address after: 100037 Beijing, Xicheng District, one hundred million Zhuang Street, No. 3 Applicant after: Municipal Engineering Inst. of Beijing Applicant after: BEIJING NO.6 CONSTRUCTION ENGINEERING QUALITY TEST DEPARTMENT CO., LTD. Applicant after: Beijing MRB Science & Technology Development Co., Ltd. Address before: 100037 Beijing, Xicheng District, one hundred million Zhuang Street, No. 3 Applicant before: Municipal Engineering Inst. of Beijing |
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Application publication date: 20150513 |