Coal seam self-adaptive pressure relief drill hole arrangement method and device based on high static load identification
By adaptively adjusting the drilling spacing and azimuth angle, combined with the accurate prediction of high static load peaks, the problem of poor impact ground pressure prevention and control effect caused by the non-uniform distribution of the elastic properties in coal seams in traditional technology is solved, and the full pressure relief of coal seams and the improvement of impact ground pressure treatment effect is achieved.
Patent Information
- Application Number
- CN202510407073.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2045-04-02
AI Technical Summary
The drilling spacing and azimuth angle in the traditional pressure relief drilling construction parameters are fixed, and it is impossible to accurately deal with the non-uniform distribution of the elastic properties in the coal seam, resulting in poor impact pressure prevention and control effect.
By obtaining the monitoring data of n arranged drill holes before the K-th drill holes to be arranged in the coal seam, calculating the impulse index, adaptively adjusting the drilling distance and azimuth angle, accurately predicting the peak position of high static loads, updating the fitting curve, and determining the adaptive drilling arrangement plan.
The targeting and effectiveness of drilling position arrangement is improved, sufficient pressure relief of coal seams is achieved, and the impact ground pressure treatment effect is improved.
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Figure CN119914290A_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of coal mining, and in particular to a method and device for arranging coal seam self-adaptive pressure relief drilling holes based on high static load identification. Background Art
[0002] In the related art, in order to avoid the risk of rock burst during coal mining as much as possible, drilling holes in the coal seam is usually used to reduce the elastic energy accumulated in the coal seam, thereby reducing the risk of rock burst caused by the accumulation of elastic energy. At present, the drilling spacing and azimuth in the traditional pressure relief drilling construction parameters are fixed, but the elastic energy accumulated in the coal seam is not evenly distributed, and the degree of elastic energy accumulation in different areas and directions is different, resulting in different impact hazards in different areas and directions. Therefore, the use of this method to carry out construction work is out of touch with the actual distribution of rock burst hazards, and it is impossible to achieve the purpose of accurate and sufficient pressure relief of the coal seam, resulting in poor prevention and control of rock burst. Summary of the invention
[0003] In order to overcome the problems existing in the related art, the present disclosure provides a method and device for arranging coal seam adaptive pressure relief drilling holes based on high static load identification.
[0004] According to a first aspect of an embodiment of the present disclosure, a method for arranging coal seam adaptive pressure relief drilling holes based on high static load identification is provided, comprising: Acquire the monitoring data of n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculate the impulse induction index of each of the n arranged boreholes according to the monitoring data; the impulse induction index is used to indicate the degree of static load accumulation in the high static load accumulation area in the borehole; K is an integer greater than 2; n is an integer greater than 2 or equal to 2 and less than K; the n arranged boreholes are all arranged boreholes within a preset range from the Kth borehole; Determining an adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole; the K-2th borehole, the K-1th borehole, and the Kth borehole are arranged in sequence; Determining a hole opening position of the Kth borehole according to a first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient; Determine the hole depth position corresponding to the high static load peak of each of the n arranged drill holes, perform fitting processing on the hole depth position corresponding to each of the n arranged drill holes, and obtain a first fitting curve and a fitting function corresponding to the first fitting curve; Predicting the high static load peak position corresponding to the opening position of the Kth borehole according to the opening position and the fitting function; updating the first fitting curve using the high static load peak position to obtain an updated first fitting curve; A perpendicular line of the updated first fitting curve is generated based on the hole position, and the azimuth of the Kth borehole is determined according to the perpendicular line; the Kth borehole is arranged according to the hole position and the azimuth, K is assigned a value of K+1, and the step of obtaining the monitoring data of each of the n arranged boreholes before the Kth borehole to be arranged in the coal seam is returned to execute until all drilling operations of the coal seam are completed.
[0005] In some embodiments of the present application, each hole depth position in the borehole corresponds to a set of monitoring data; and the step of calculating the impulse induction index of each of the n arranged boreholes according to the monitoring data includes: For each of the n arranged boreholes, the following steps are performed respectively: For each hole depth position in the borehole, calculating the static load accumulation index of the hole depth position according to the monitoring data corresponding to the hole depth position; Fitting the static load accumulation index corresponding to each hole depth position to obtain a second fitting curve; The second fitting curve is derived once, and the static load accumulation index corresponding to the hole depth position whose derivative result is less than or equal to the preset threshold is selected as the stable value; wherein the static load accumulation index corresponding to the hole depth position is a non-static load index peak value; Generate a vertical line of the longitudinal axis through the stable value, and use the area formed by the intersection of the vertical line and the first fitting curve as a high static load accumulation area; The high static load accumulation area is integrated and calculated to obtain the impulse induction index.
[0006] In some embodiments of the present application, determining the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole includes: Calculating the difference between the impulse induction index of the K-1th borehole and the K-2th borehole to obtain the change of the impulse induction index; The spacing adaptive adjustment coefficient B is calculated using the following formula: K : B K =-1* HRBI / HRBI K-1 in, HRBI is the change in the impulse index. K-1 is the impulse index of the K-1th borehole.
[0007] In some embodiments of the present application, determining the opening position of the Kth borehole according to the first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient includes: The second hole spacing D between the Kth borehole and the K-1th borehole is calculated by the following formula: K : D K =(1+B K ) * D K-1 Among them, B K is the spacing adaptive adjustment coefficient, D K-1 is the first hole spacing between the K-1th borehole and the K-2th borehole; Get the position coordinates of the K-1th drilling hole, and according to the position coordinates and the second hole spacing D K Determine the opening position of the Kth drill hole.
[0008] In some embodiments of the present application, in the step of obtaining the position coordinates of the K-1th borehole, according to the position coordinates and the second hole spacing D K Before determining the opening position of the Kth borehole, the method further includes: When the second hole spacing is less than or equal to the preset minimum drilling spacing value, assigning the second hole spacing to the minimum drilling spacing value; When the second hole spacing is greater than or equal to a preset maximum drilling spacing, the second hole spacing is assigned the maximum drilling spacing.
[0009] In some embodiments of the present application, after obtaining the azimuth angle of the Kth borehole according to the angle between the vertical line and the direction of the tunnel, the method further includes: When the azimuth angle does not fall within a preset azimuth angle interval, the azimuth angle is assigned a preset angle; the preset angle is a value closest to the azimuth angle between the maximum value and the minimum value of the preset azimuth angle interval.
[0010] According to a second aspect of an embodiment of the present disclosure, a coal seam adaptive pressure relief drilling arrangement device based on high static load identification is provided, comprising: A calculation unit is used to obtain monitoring data of n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculate the impulse induction index of each of the n arranged boreholes according to the monitoring data; the impulse induction index is used to indicate the degree of static load accumulation in the high static load accumulation area in the borehole; K is an integer greater than 2; n is an integer greater than 2 or equal to 2 and less than K; the n arranged boreholes are all arranged boreholes within a preset range from the Kth borehole; A first determining unit is used to determine an adaptive adjustment coefficient of a spacing between the Kth borehole and the K-1th borehole according to respective impulse induction indexes of the K-1th borehole and the K-2th borehole; the K-2th borehole, the K-1th borehole, and the Kth borehole are arranged in sequence; A second determining unit, configured to determine a hole opening position of the Kth borehole according to a first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient; A fitting unit, used to determine the hole depth position corresponding to the high static load peak of each of the n arranged drill holes, and perform fitting processing on the hole depth position corresponding to each of the n arranged drill holes to obtain a first fitting curve and a fitting function corresponding to the first fitting curve; A third determination unit is used to predict the high static load peak position corresponding to the opening position of the Kth borehole according to the opening position and the fitting function; An updating unit, configured to update the first fitting curve using the high static load peak position to obtain an updated first fitting curve; A generating unit is used to generate a perpendicular line of the updated first fitting curve based on the opening position, and determine the azimuth of the Kth borehole according to the perpendicular line; an arranging unit is used to arrange the Kth borehole according to the borehole position and the azimuth, assign K a value of K+1, and return to execute the step of obtaining the monitoring data of each of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, until all drilling operations of the coal seam are completed.
[0011] According to a third aspect of an embodiment of the present disclosure, an electronic device includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, the method described in any one of the first aspects is implemented.
[0012] According to a fourth aspect of an embodiment of the present disclosure, there is provided a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the method according to any one of the first aspects is implemented.
[0013] According to a fifth aspect of an embodiment of the present disclosure, a computer program product is provided, comprising a computer program, wherein the computer program implements the method as described in any one of the first aspects when executed by a processor.
[0014] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: by acquiring the monitoring data of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, calculating the impulse induction index of each of the n arranged boreholes according to the monitoring data; determining the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole; determining the opening position of the Kth borehole according to the first hole spacing and the spacing adaptive adjustment coefficient between the K-1th borehole and the K-2th borehole; determining the position of each of the n arranged boreholes According to the hole depth position corresponding to the peak value of the high static load, the hole depth positions corresponding to each of the n arranged boreholes are fitted to obtain a first fitting curve and a fitting function corresponding to the first fitting curve; according to the hole opening position and the fitting function, the high static load peak position corresponding to the opening position of the Kth borehole is predicted; the first fitting curve is updated using the high static load peak position to obtain an updated first fitting curve; a perpendicular line of the updated first fitting curve is generated based on the hole opening position, and the azimuth angle of the Kth borehole is determined according to the perpendicular line; the Kth borehole is arranged according to the hole opening position and the azimuth angle. The spacing adaptive adjustment coefficient is determined by using the impulse induction index of adjacent boreholes, so that the hole spacing between the borehole to be arranged and the adjacent boreholes can be adaptively adjusted according to the spacing adaptive adjustment coefficient, and the high static load distribution gradient in the static load concentration area of the borehole to be arranged is predicted by fitting the high static load peak position, so that the azimuth is determined by using the vertical line of the fitting curve, and the boreholes to be arranged are arranged according to the borehole spacing and azimuth determined adaptively, which improves the targeting and effectiveness of the borehole position arrangement, and can fully relieve the pressure on the coal seam, thereby improving the effect of rock burst control.
[0015] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.
[0017] Figure 1 It is a flow chart showing a method for adaptively arranging pressure-relief drilling holes in coal seams based on high static load identification according to an exemplary embodiment.
[0018] Figure 2 It is a schematic diagram of the second fitting curve proposed in the embodiment of the present application.
[0019] Figure 3 It is a schematic diagram of the first fitting curve proposed in the embodiment of the present application.
[0020] Figure 4It is a static load distribution cloud diagram proposed in the embodiment of the present application.
[0021] Figure 5 It is a plan view of the drilling arrangement before the adaptive adjustment proposed in the embodiment of the present application.
[0022] Figure 6 It is a plan view of the drilling arrangement after adaptive adjustment proposed in the embodiment of the present application.
[0023] Figure 7 It is a block diagram of a coal seam adaptive pressure relief drilling arrangement device based on high static load identification according to an exemplary embodiment.
[0024] Figure 8 It is a block diagram of a device for a method for adaptively arranging pressure-relief drilling holes in a coal seam based on high static load identification according to an exemplary embodiment.
[0025] Reference numerals 11 - high static load accumulation area; 12 - high static load peak position; 13 - first fitting curve. DETAILED DESCRIPTION
[0026] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with some aspects of the present invention as detailed in the appended claims.
[0027] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present disclosure. The singular forms "a", "an" and "the" used in the embodiments of the present disclosure and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.
[0028] It should be understood that although the terms first, second, third, etc. may be used to describe various information in the disclosed embodiments, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the disclosed embodiments, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the words "if" and "if" as used herein may be interpreted as "at" or "when" or "in response to determination".
[0029] In addition, various forms of processes shown in the embodiments of the present disclosure may be used to reorder, add or delete steps. For example, the steps described in the present application may be performed in parallel, sequentially or in different orders, as long as the desired results of the technical solution disclosed in the present disclosure can be achieved, and this document does not limit this.
[0030] In the related technology, in order to avoid the risk of rock burst during coal mining as much as possible, drilling holes in the coal seam is usually used to reduce the elastic energy accumulated in the coal seam, thereby reducing the risk of rock burst caused by excessive elastic energy. At present, the drilling spacing and azimuth in the traditional pressure relief drilling construction parameters are fixed, but the elastic energy accumulated in the coal seam is not evenly distributed, and the degree of rock burst danger in different areas and directions is also different. Therefore, the use of this method to carry out construction work is out of touch with the actual distribution of rock burst dangers, and the purpose of accurate and sufficient pressure relief of the coal seam cannot be achieved, resulting in poor prevention and control of rock burst.
[0031] In order to solve the above problems, the present invention provides a method and device for arranging coal seam adaptive pressure relief boreholes based on self-height static load identification, by obtaining the monitoring data of each of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculating the respective impulse induction indexes of the n arranged boreholes according to the monitoring data; determining the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole; determining the opening position of the Kth borehole according to the first hole spacing and the adaptive adjustment coefficient of the spacing between the K-1th borehole and the K-2th borehole; and determining the pressure relief borehole position of the Kth borehole. Determine the hole depth position corresponding to the high static load peak of each of n arranged boreholes, perform fitting processing on the hole depth position corresponding to each of the n arranged boreholes, and obtain a first fitting curve and a fitting function corresponding to the first fitting curve; predict the high static load peak position corresponding to the opening position of the Kth borehole according to the opening hole position and the fitting function; update the first fitting curve using the high static load peak position to obtain an updated first fitting curve; generate a perpendicular line of the updated first fitting curve based on the opening hole position, and determine the azimuth angle of the Kth borehole according to the perpendicular line; arrange the Kth borehole according to the opening hole position and the azimuth angle. The spacing adaptive adjustment coefficient is determined by using the impulse induction index of adjacent boreholes, so that the hole spacing between the borehole to be arranged and the adjacent boreholes can be adaptively adjusted according to the spacing adaptive adjustment coefficient, and the high static load distribution gradient in the static load concentration area of the borehole to be arranged is predicted by fitting the high static load peak position, so that the azimuth is determined by using the vertical line of the fitting curve, and the boreholes to be arranged are arranged according to the borehole spacing and azimuth determined adaptively, which improves the targeting and effectiveness of the borehole position arrangement, and thus can fully relieve the pressure on the coal seam and improve the effect of rock burst control.
[0032] Figure 1 is a flow chart of a method for arranging coal seam self-adaptive pressure relief drilling holes based on self-height static load identification according to an exemplary embodiment. Figure 1 As shown, it should be noted that the method for self-adaptive pressure relief drilling arrangement in coal seams based on self-height static load identification in the embodiment of the present disclosure is applied to the self-adaptive pressure relief drilling arrangement device in coal seams based on self-height static load identification. Figure 1 As shown, the method may include the following steps: Step 101, obtaining the monitoring data of n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculating the impulse induction index of each of the n arranged boreholes according to the monitoring data.
[0033] Among them, the impulse induction index is used to indicate the degree of static load accumulation in the high static load accumulation area in the borehole; K is an integer greater than 2; n is an integer greater than 2 or equal to 2 and less than K; the n arranged boreholes are all the arranged boreholes within the preset range from the Kth borehole.
[0034] In one embodiment, the monitoring data may include any of the following data: Coal powder weight, rotation speed, torque, propulsion force, propulsion speed.
[0035] It can be understood that in order to more accurately locate the specific opening position of the Kth borehole to be arranged, that is, the distance between the Kth borehole to be arranged and the previous borehole, the static load accumulation degree of the n arranged boreholes (that is, the drilling operation has been completed) within a preset range from the Kth borehole can be evaluated first, and an impulse induction index that can evaluate the static load accumulation degree of the high static load accumulation area in the borehole is obtained, so as to determine the distance between the Kth borehole and the previous borehole.
[0036] It should be noted that when arranging the first drill hole and the second drill hole, the drill holes may be arranged according to a preset fixed value.
[0037] In some embodiments of the present application, each hole depth position in the borehole corresponds to a set of monitoring data, and the calculation of the impulse induction index of each of the n arranged boreholes according to the monitoring data proposed in step 101 may specifically include the following steps: For each of the n arranged boreholes, perform the following steps: Step a1: for each hole depth position in the borehole, calculate the static load accumulation index of the hole depth position according to the monitoring data corresponding to the hole depth position.
[0038] It is understood that the static load accumulation index is used to evaluate the degree of static load accumulation at a certain depth in a borehole.
[0039] In some embodiments of the present application, weights can be configured for each monitoring data according to a preset weight configuration method, and the monitoring data at the same hole depth position are weighted summed based on the configured weights to obtain a static load accumulation index.
[0040] As an example of a possible implementation, the CRITIC objective weighting method may be used to configure weights for each monitoring data.
[0041] Step a2, performing fitting processing on the static load accumulation index corresponding to each hole depth position to obtain a second fitting curve.
[0042] The horizontal axis corresponding to the second fitting curve is the drilling depth, and the vertical axis corresponding to the second fitting curve is the static load accumulation index.
[0043] In one embodiment, the second fitting curve is as follows Figure 2 As shown, the drilling depth is used as the horizontal coordinate, the static load accumulation index is used as the vertical coordinate, and the static load accumulation index corresponding to each hole depth position is fitted to obtain a second fitting curve.
[0044] Step a3, taking a derivative of the second fitting curve, and selecting the static load accumulation index corresponding to the hole depth position whose derivative result is less than or equal to the preset threshold as the stable value; wherein the static load accumulation index corresponding to the hole depth position is the non-static load index peak value.
[0045] Step a4, generating a vertical line of the vertical axis through the stable value, and taking the area formed by the intersection of the vertical line and the first fitting curve as the high static load accumulation area.
[0046] In one embodiment, the preset threshold is 0 or close to 0.
[0047] In one embodiment, the preset threshold value may be a static load accumulation index corresponding to a position where the derivative of the second fitting curve is 0 or close to 0 as a stable value, a perpendicular line is drawn from the point on the second fitting curve corresponding to the stable value to the vertical axis, and the area formed by the intersection of the perpendicular line and the first fitting curve is taken as a high static load accumulation area.
[0048] Step a5, performing integral calculation on the second fitting curve corresponding to the high static load accumulation area to obtain the impact induction index.
[0049] In one embodiment, Figure 2 As shown in the figure, a vertical auxiliary line is drawn from the static load stability value of 0.4 to the ordinate. The area formed by the intersection of the vertical auxiliary line and the first fitting curve is the shaded area in the figure. The area of the shaded area is integrated to obtain the high static load accumulation area impact induced index HRBI. The larger the value of this index, the higher the impact risk of the high static load accumulation area.
[0050] Step 102, determining an adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole.
[0051] The K-2th drilling hole, the K-1th drilling hole and the Kth drilling hole are arranged in sequence.
[0052] In some embodiments of the present application, step 103 may specifically include the following steps: Calculate the difference between the impulse induction index of the K-1th borehole and the K-2th borehole to obtain the change of the impulse induction index; The following formula is used to calculate the spacing adaptive adjustment coefficient B K : B K =-1* HRBI / HRBI K-1 in, HRBI is the change in the impulse index. K-1 is the impulse index of the K-1th borehole.
[0053] It can be understood that in order to accurately determine the static load accumulation degree of the Kth borehole in its high static load accumulation area, the change in the impulse index between the K-1th borehole and the K-2th borehole, which are closer to it, can be determined first, and the change in the static load accumulation degree can be reflected according to the proportion of the change in the impulse index in the impulse index of the K-1th borehole, that is, through the adaptive adjustment coefficient B K Accurately quantify the change in the degree of static load accumulation, and then adjust the coefficient B based on the adaptive K To accurately calculate the opening position of the Kth drilling hole.
[0054] Step 103, determining the opening position of the Kth borehole according to the first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient.
[0055] In one embodiment, since the accumulation degree of static load in adjacent areas usually changes gradually and does not usually change suddenly, the adaptive adjustment coefficient B that can reflect the change of the accumulation degree of static load can be used as a basis based on the first hole spacing between the K-1th hole and the K-2th hole before the Kth hole. K To determine the opening position of the Kth drill hole, so that the opening position of the drill hole can be adaptively adjusted according to the static load accumulation.
[0056] In some embodiments of the present application, step 103 may specifically include the following steps: Step b1, calculate the second hole spacing D between the Kth drilling hole and the K-1th drilling hole by the following formula: K : D K =(1+B K ) * D K-1 Among them, B K is the spacing adaptive adjustment coefficient, D K-1 is the first hole spacing between the K-1th drilled hole and the K-2th drilled hole.
[0057] It is understandable that in B K When the value is negative, the hole spacing is shortened. K If the value is positive, the hole spacing will increase.
[0058] Step b2, obtain the position coordinates of the K-1th drilling hole, and calculate the distance D between the second hole and the position coordinates according to the distance D between the second hole and the K Determine the opening position of the Kth drilling hole.
[0059] In one embodiment, the direction of the tunnel is determined as the x-axis, and the direction of the perpendicular line to the tunnel is determined as the y-axis. After obtaining the position coordinates (x1, y1) of the K-1th borehole, the opening position of the Kth borehole is (x1+B K , y1).
[0060] In some embodiments of the present application, before step b2, the following steps may be specifically included: When the second hole spacing is less than or equal to the preset minimum drilling spacing value, assigning the second hole spacing to the minimum drilling spacing value; When the second hole spacing is greater than or equal to the preset maximum drilling spacing value, the second hole spacing is assigned the maximum drilling spacing value.
[0061] In one embodiment, in order to control the spacing between two adjacent bore holes within a certain range and avoid the situation where the hole spacing is too large or too small, the minimum bore hole spacing and the maximum bore hole spacing can be set in advance according to actual needs. When the second hole spacing is less than or equal to the preset minimum bore hole spacing, the second hole spacing is assigned to the minimum bore hole spacing. When the second hole spacing is greater than or equal to the preset maximum bore hole spacing, the second hole spacing is assigned to the maximum bore hole spacing.
[0062] Step 104, determining the hole depth position corresponding to the high static load peak of each of the n arranged drill holes, performing fitting processing on the hole depth position corresponding to each of the n arranged drill holes, and obtaining a first fitting curve and a fitting function corresponding to the first fitting curve.
[0063] It should be noted that drilling construction is generally carried out in advance of the working face by a certain distance, and the degree of static load accumulation in the drilling construction area is related to the advance distance from the working face, that is, as the mining of the working face advances, the degree of static load accumulation in the drilling construction area in front of the working face will change. The first fitting curve can represent the distribution of the high static load peak position in the direction of the roadway, and the high static load peak position corresponding to the Kth drilling hole opening position to be arranged can be determined based on the distribution.
[0064] In addition, the adjustment basis of the borehole azimuth is the distribution fitting curve of the high static load position in the direction of the tunnel that is updated in real time. If the high static load peak position data of the borehole far away from the current borehole is involved in updating the fitting curve, and then adjusting the azimuth of the current borehole, the calculation result of the borehole azimuth will lose timeliness. Therefore, at every preset distance, the previous high static load peak position data should be eliminated, and the distribution fitting curve of the high static load position in the direction of the tunnel should be refitted, that is, only the data corresponding to the arranged boreholes within the preset distance of the current borehole to be arranged are fitted. Step 105, based on the hole opening position and the fitting function, predict the predicted hole depth position corresponding to the high static load peak position corresponding to the hole opening position of the Kth borehole.
[0065] Step 105: predicting the high static load peak position corresponding to the hole opening position of the Kth drill hole according to the hole opening position and the fitting function.
[0066] In one embodiment, the fitting function is y=f(x), and the hole position is taken as the value of x and substituted into the fitting function to obtain the y value, that is, the high static load peak position corresponding to the hole position of the Kth borehole is obtained, wherein the high static load peak position is the position where the high static load peak corresponding to the hole position is located.
[0067] Step 106: Update the first fitting curve using the high static load peak position to obtain an updated first fitting curve.
[0068] In one embodiment, the predicted hole depth position and the hole depth positions corresponding to the respective high static load peaks of the n arranged boreholes may be refitted to obtain an updated first fitting curve.
[0069] In one embodiment, Figure 3As shown, borehole 4 is the borehole to be arranged currently, and boreholes 1 to 3 are the boreholes that have been completed. The coordinates of the position 12 corresponding to the high static load peak of each borehole from borehole 1 to borehole 3 are determined, and the above three position coordinates are fitted to obtain a distribution fitting curve of the high static load peak position in the direction of the tunnel, that is, the above first fitting curve 13, and the fitting function corresponding to the first fitting curve 13. The opening position of borehole 4 is brought into the fitting function to predict the high static load peak position corresponding to the opening position of borehole 4, and the high static load peak position corresponding to the opening position of borehole 4 and the hole depth positions of the high static load peaks of boreholes 1 to boreholes 3 are fitted to obtain an updated first fitting curve.
[0070] like Figure 4 As shown, based on the first fitting curve at the location of the high static load peak in the direction of the tunnel, the static load accumulation degree in the area corresponding to the first fitting curve gradually decreases in the directions on both sides with the curve as the center position, and the static load distribution cloud map in the area can be obtained according to the static load accumulation degree.
[0071] In some embodiments of the present application, a nonlinear regression fitting method can be used to fit the hole depth positions corresponding to each of the n arranged boreholes to obtain a first fitting curve, and then the determination coefficient of the first fitting curve is calculated. The fitting regression effect is judged according to the size of the determination coefficient. When the determination coefficient is greater than or equal to the preset coefficient value, the step of generating a vertical line of the first fitting curve based on the hole position is performed; when the determination coefficient is less than the preset coefficient value, it indicates that there may be geological structures in the area that cause a sudden change in the static load distribution. At this time, drilling is performed in a direction perpendicular to the direction of the tunnel. In addition, in order to avoid the sudden static load peak position data from affecting the subsequent fitting process, starting from the next borehole to be arranged, the hole depth positions corresponding to each of the n arranged boreholes are no longer used for fitting, that is, re-fitting starts from the next borehole to be arranged.
[0072] Step 107 , generating a perpendicular line of the updated first fitting curve based on the hole positions, and determining the azimuth of the Kth borehole according to the perpendicular line.
[0073] The vertical line includes the opening position.
[0074] It can be understood that the traditional drilling method is to drill directly in a direction perpendicular to the direction of the tunnel. In the embodiment of the present application, in order to more fully relieve the pressure on the coal seam and reduce the degree of static load accumulation, the hole depth positions corresponding to the high static load peak values of different boreholes are fitted, and the distribution of the high static load peak values of the current K-th borehole position and the neighboring area is predicted based on the first fitting curve obtained by fitting. The first fitting curve is further updated according to the prediction result, so that the updated fitting curve includes the high static load peak position corresponding to the K-th borehole position, and the opening position of the K-th borehole is based on the first fitting curve obtained by fitting. Draw a vertical line to the first fitting curve after update, and use the direction of the vertical line as the borehole azimuth to drill a hole. At this time, the borehole azimuth direction is the gradient direction of the static load increase, and the borehole corresponding to this azimuth has the best pressure relief effect. Therefore, the vertical line direction is the azimuth of the Kth borehole after adjustment, and the angle between the vertical line direction and the direction perpendicular to the tunnel direction is the adjustment angle (usually, the borehole azimuth is the vertical direction of the tunnel direction, and the adjustment direction is set to be positive counterclockwise and negative clockwise). Drilling in the above direction can maximize the pressure relief of the coal seam and effectively improve the prevention and control effect of rock burst.
[0075] For example, if Figure 5 and Figure 6 As shown, the drilling direction before the azimuth angle adaptive adjustment is perpendicular to the direction of the tunnel, the spacing between borehole 1 and borehole 2 is 300 mm, the induction index of the high static load accumulation area of borehole 1 and borehole 2 is 10, and the spacing of borehole 3 is not adjusted, and the opening position of borehole 3 is determined; according to the coordinates 12 of the corresponding positions of the high static load peaks of boreholes 1 and 2, the distribution fitting curve of the static load peak positions of boreholes 1 and 2 in the direction of the tunnel is obtained (that is, the first fitting curve 13), according to the opening position of borehole 3, the high static load peak position corresponding to the opening position of borehole 3 is predicted, and the distribution fitting curve is updated. A vertical line is drawn from the opening position of borehole 3 to the curve to obtain the azimuth angle of borehole 3 after adjustment, and the azimuth angle adjustment angle is 1.7°. The above is a comprehensive determination of the opening position and azimuth angle of borehole 3.
[0076] Then, borehole 3 is constructed, and the high static load accumulation area induction index of borehole 3 is obtained to be 12, and the adaptive adjustment coefficient of borehole 4 spacing is -1*(12-10) / 10=-0.2. Then the spacing between borehole 4 and borehole 3 is adjusted from 300mm to 300*(1-0.2)=240mm, and the opening position of borehole 4 is determined; the actual high static load peak position of borehole 3 is obtained, and the distribution fitting curve of the high static load positions of boreholes 1, 2 and 3 in the direction of the roadway is updated. According to the opening position of borehole 4, the high static load peak position corresponding to the opening position of borehole 4 is predicted, and the distribution fitting curve is updated. A vertical line is drawn from the opening position of borehole 4 to the curve to obtain the adjusted azimuth of borehole 4, and the azimuth adjustment angle is 0.5°. The above is the comprehensive determination of the opening position and azimuth of borehole 4.
[0077] In some embodiments of the present application, after step 107, the method may further include: When the azimuth angle is greater than the preset angle, the azimuth angle is assigned the preset angle.
[0078] It is understandable that in order to avoid interference with other adjacent boreholes due to excessive azimuth, a preset angle can be set in advance according to actual needs. When the azimuth is greater than the preset angle, the azimuth is assigned to the preset angle to improve the rationality of the drilling arrangement.
[0079] Step 108, arrange the Kth borehole according to the borehole position and azimuth, assign K to K+1, and return to execute step 101 until all drilling operations of the coal seam are completed.
[0080] It should be noted that all the drill holes in the above-mentioned coal seam refer to all the drill holes belonging to the same row in the coal seam, that is, the opening positions of all the above-mentioned drill holes can form a straight line parallel to the direction of the tunnel after being connected.
[0081] According to the adaptive pressure relief drilling arrangement of coal seams based on self-height static load identification proposed in the embodiment of the present disclosure, by obtaining the monitoring data of each of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, the impulse induction index of each of the n arranged boreholes is calculated according to the monitoring data; the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole is determined according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole; the opening position of the Kth borehole is determined according to the first hole spacing and the adaptive adjustment coefficient of the spacing between the K-1th borehole and the K-2th borehole; the n arranged boreholes are determined according to the impulse induction index of each of the n-1th borehole and the K-2th borehole. Arrange the hole depth positions corresponding to the high static load peak values of each drill hole, perform fitting processing on the hole depth positions corresponding to each of the n arranged drill holes, and obtain a first fitting curve and a fitting function corresponding to the first fitting curve; predict the high static load peak position corresponding to the opening position of the Kth drill hole according to the hole opening position and the fitting function; update the first fitting curve using the high static load peak position to obtain an updated first fitting curve; generate a perpendicular line of the updated first fitting curve based on the hole opening position, and determine the azimuth angle of the Kth drill hole according to the perpendicular line; arrange the Kth drill hole according to the hole position and the azimuth angle. The spacing adaptive adjustment coefficient is determined by using the impulse induction index of adjacent boreholes, so that the hole spacing between the borehole to be arranged and the adjacent boreholes can be adaptively adjusted according to the spacing adaptive adjustment coefficient, and the high static load distribution gradient in the static load concentration area of the borehole to be arranged is predicted by fitting the high static load peak position, so that the azimuth is determined by using the vertical line of the fitting curve, and the boreholes to be arranged are arranged according to the borehole spacing and azimuth determined adaptively, which improves the targeting and effectiveness of the borehole position arrangement, and thus can fully relieve the pressure on the coal seam and improve the prevention and control effect of rock burst.
[0082] Figure 7 1 is a block diagram of a coal seam adaptive pressure relief drilling arrangement device based on self-height static load identification according to an exemplary embodiment. Figure 7 The device includes a calculation unit 701, a first determination unit 702, a second determination unit 703, a fitting unit 704, a third determination unit 705, an updating unit 706, a generating unit 707 and an arranging unit 708.
[0083] The calculation unit 701 is used to obtain the monitoring data of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculate the impulse induction index of each of the n arranged boreholes according to the monitoring data; the impulse induction index is used to indicate the degree of static load accumulation in the high static load accumulation area in the borehole; K is an integer greater than 2; n is an integer greater than 2 or equal to 2 and less than K; the n arranged boreholes are all the arranged boreholes within a preset range from the Kth borehole; The first determining unit 702 is used to determine the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole; the K-2th borehole, the K-1th borehole and the Kth borehole are arranged in sequence; The second determining unit 703 is used to determine the opening position of the Kth borehole according to the first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient; A fitting unit 704 is used to determine the hole depth position corresponding to the high static load peak of each of the n arranged drill holes, and perform fitting processing on the hole depth position corresponding to each of the n arranged drill holes to obtain a first fitting curve and a fitting function corresponding to the first fitting curve; The third determination unit 705 is used to predict the high static load peak position corresponding to the opening position of the Kth borehole according to the opening position and the fitting function; An updating unit 706 is used to update the first fitting curve using the high static load peak position to obtain an updated first fitting curve; A generating unit 707 generates a vertical line of the updated first fitting curve based on the opening position, and determines the azimuth of the Kth borehole according to the vertical line; Arrangement unit 708 is used to arrange the Kth borehole according to the drilling position and azimuth, assign K to K+1, and return to execute the step of obtaining the monitoring data of the n arranged boreholes before the Kth borehole to be arranged in the coal seam until all drilling operations in the coal seam are completed.
[0084] In some embodiments of the present application, each hole depth position in the borehole corresponds to a set of monitoring data, and the first determination unit 702 is specifically used to: For each of the n arranged boreholes, perform the following steps: For each hole depth position in the borehole, the static load accumulation index at the hole depth position is calculated according to the monitoring data corresponding to the hole depth position; Fitting the static load accumulation index corresponding to each hole depth position to obtain a second fitting curve; The second fitting curve is derived once, and the static load accumulation index corresponding to the hole depth position whose derivative result is greater than, less than or equal to the preset threshold is selected as the stable value; wherein the static load accumulation index corresponding to the hole depth position is the non-static load index peak value; A vertical line of the vertical axis is generated through the stable value, and an area formed by the intersection of the vertical line and the first fitting curve is used as a high static load accumulation area; The induced impact index is obtained by integrating the high static load accumulation area.
[0085] In some embodiments of the present application, the second determining unit 703 is specifically configured to: Calculate the difference between the impulse induction index of the K-1th borehole and the K-2th borehole to obtain the change of the impulse induction index; The following formula is used to calculate the spacing adaptive adjustment coefficient B K : B K =-1* HRBI / HRBI K-1 in, HRBI is the change in the impulse index. K-1 is the impulse index of the K-1th borehole.
[0086] In some embodiments of the present application, the second determining unit 703 is specifically configured to: The second hole spacing D between the Kth drill hole and the K-1th drill hole is calculated by the following formula K : D K =(1+B K ) * D K-1 Among them, B K is the spacing adaptive adjustment coefficient, D K-1 is the first hole spacing between the K-1th borehole and the K-2th borehole; Get the position coordinates of the K-1th drilling hole, and calculate the distance D between the position coordinates and the second hole. K Determine the opening position of the Kth drilling hole.
[0087] In some embodiments of the present application, the second determining unit 703 is further configured to: When the second hole spacing is less than or equal to the preset minimum drilling spacing value, assigning the second hole spacing to the minimum drilling spacing value; When the second hole spacing is greater than or equal to the preset maximum drilling spacing value, the second hole spacing is assigned the maximum drilling spacing value.
[0088] In some embodiments of the present application, the device may further include an assignment unit for assigning the azimuth angle to a preset angle when the azimuth angle does not fall within a preset azimuth angle interval; the preset angle is the value closest to the azimuth angle between the maximum value and the minimum value of the preset azimuth angle interval.
[0089] Regarding the device in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be elaborated here.
[0090] According to the coal seam adaptive pressure relief drilling arrangement device based on self-height static load identification proposed in the embodiment of the present disclosure, by obtaining the monitoring data of each of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, the impulse induction index of each of the n arranged boreholes is calculated according to the monitoring data; the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole is determined according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole; the opening position of the Kth borehole is determined according to the first hole spacing and the adaptive adjustment coefficient of the spacing between the K-1th borehole and the K-2th borehole; the nth boreholes are determined. The hole depth positions corresponding to the high static load peak values of the arranged boreholes are fitted to obtain a first fitting curve and a fitting function corresponding to the first fitting curve; the high static load peak position corresponding to the opening position of the Kth borehole is predicted according to the opening hole position and the fitting function; the first fitting curve is updated using the high static load peak position to obtain an updated first fitting curve; a perpendicular line of the updated first fitting curve is generated based on the opening hole position, and the azimuth angle of the Kth borehole is determined according to the perpendicular line; the Kth borehole is arranged according to the borehole position and the azimuth angle. The spacing adaptive adjustment coefficient is determined by using the impulse induction index of adjacent boreholes, so that the hole spacing between the borehole to be arranged and the adjacent boreholes can be adaptively adjusted according to the spacing adaptive adjustment coefficient, and the high static load distribution gradient in the static load concentration area of the borehole to be arranged is predicted by fitting the high static load peak position, so that the azimuth is determined by using the vertical line of the fitting curve, and the boreholes to be arranged are arranged according to the borehole spacing and azimuth determined adaptively, which improves the targeting and effectiveness of the borehole position arrangement, and thus can fully relieve the pressure on the coal seam and improve the prevention and control effect of rock burst.
[0091] Figure 8 800 is a block diagram of a device for a method for self-adaptive decompression drilling arrangement of coal seams based on self-height static load identification according to an exemplary embodiment. For example, the device 800 may be an electronic device, such as a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
[0092] Reference Figure 8 , the device 800 may include one or more of the following components: a processing component 802 , a memory 804 , a power component 806 , a multimedia component 808 , an audio component 810 , an input / output (I / O) interface 812 , a sensor component 814 , and a communication component 816 .
[0093] The processing component 802 generally controls the overall operation of the device 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above-mentioned method. In addition, the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components. For example, the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.
[0094] The memory 804 is configured to store various types of data to support operations on the device 800. Examples of such data include instructions for any application or method operating on the device 800, contact data, phone book data, messages, pictures, videos, etc. The memory 804 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
[0095] The power component 806 provides power to the various components of the device 800. The power component 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 800.
[0096] The multimedia component 808 includes a screen that provides an output interface between the device 800 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and / or a rear camera. When the device 800 is in an operating mode, such as a shooting mode or a video mode, the front camera and / or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
[0097] The audio component 810 is configured to output and / or input audio signals. For example, the audio component 810 includes a microphone (MIC), and when the device 800 is in an operating mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal. The received audio signal can be further stored in the memory 804 or sent via the communication component 816. In some embodiments, the audio component 810 also includes a speaker for outputting audio signals.
[0098] I / O interface 812 provides an interface between processing component 802 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
[0099] The sensor assembly 814 includes one or more sensors for providing various aspects of status assessment for the device 800. For example, the sensor assembly 814 can detect the open / closed state of the device 800, the relative positioning of components, such as the display and keypad of the device 800, and the sensor assembly 814 can also detect the position change of the device 800 or a component of the device 800, the presence or absence of user contact with the device 800, the orientation or acceleration / deceleration of the device 800, and the temperature change of the device 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
[0100] The communication component 816 is configured to facilitate wired or wireless communication between the device 800 and other devices. The device 800 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
[0101] In an exemplary embodiment, the apparatus 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the above methods.
[0102] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 804 including instructions, and the instructions can be executed by the processor 820 of the device 800 to perform the above method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
[0103] In an exemplary embodiment, a computer program product is also provided, comprising a computer program, which implements the above method when executed by the processor 820 of the device 800.
[0104] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. The present disclosure is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The description and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.
[0105] It should be understood that the present invention is not limited to the exact construction that has been described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims
1. A method for arranging coal seam self-adaptive pressure relief drilling holes based on high static load identification, characterized in that: include: Acquire the monitoring data of n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculate the impulse induction index of each of the n arranged boreholes according to the monitoring data; the impulse induction index is used to indicate the degree of static load accumulation in the high static load accumulation area in the borehole; K is an integer greater than 2; n is an integer greater than 2 or equal to 2 and less than K; the n arranged boreholes are all arranged boreholes within a preset range from the Kth borehole; According to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole, an adaptive adjustment coefficient of the spacing between the K-2th borehole and the K-1th borehole is determined; the K-2th borehole, the K-1th borehole and the K-2th borehole are arranged in sequence; Determining a hole opening position of the Kth borehole according to a first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient; Determine the hole depth position corresponding to the high static load peak of each of the n arranged drill holes, perform fitting processing on the hole depth position corresponding to each of the n arranged drill holes, and obtain a first fitting curve and a fitting function corresponding to the first fitting curve; Predicting the high static load peak position corresponding to the opening position of the Kth borehole according to the opening position and the fitting function; updating the first fitting curve using the high static load peak position to obtain an updated first fitting curve; generating a perpendicular line of the updated first fitting curve based on the opening position, and determining the azimuth of the Kth borehole according to the perpendicular line; Arrange the Kth borehole according to the opening position and the azimuth, assign K a value of K+1, and return to execute the step of obtaining the monitoring data of the n arranged boreholes before the Kth borehole to be arranged in the coal seam until all drilling operations of the coal seam are completed.
2. The method for arranging coal seam adaptive pressure relief drilling holes based on high static load identification according to claim 1 is characterized in that: Each hole depth position in the borehole corresponds to a set of monitoring data; The step of calculating the impulse induction index of each of the n arranged boreholes according to the monitoring data comprises: For each of the n arranged boreholes, the following steps are performed respectively: For each hole depth position in the borehole, calculating the static load accumulation index of the hole depth position according to the monitoring data corresponding to the hole depth position; Fitting the static load accumulation index corresponding to each hole depth position to obtain a second fitting curve; the horizontal axis corresponding to the second fitting curve is the drilling depth, and the vertical axis corresponding to the second fitting curve is the static load accumulation index; The second fitting curve is derived once, and the static load accumulation index corresponding to the hole depth position whose derivative result is less than or equal to the preset threshold is selected as the stable value; wherein the static load accumulation index corresponding to the hole depth position is the non-static load index peak value; Generate a vertical line of the longitudinal axis through the stable value, and use the area formed by the intersection of the vertical line and the first fitting curve as a high static load accumulation area; The high static load accumulation area is integrated and calculated to obtain the impulse induction index.
3. The method for arranging coal seam adaptive pressure relief drilling holes based on high static load identification according to claim 1 is characterized in that: The step of determining the adaptive adjustment coefficient of the spacing between the Kth borehole and the K-1th borehole according to the respective impulse induction indexes of the K-1th borehole and the K-2th borehole comprises: Calculating the difference between the impulse induction index of the K-1th borehole and the K-2th borehole to obtain the change of the impulse induction index; The spacing adaptive adjustment coefficient B is calculated using the following formula: K : B K =-1* HRBI / HRBI K-1 in, HRBI is the change in the impulse index. K-1 is the impulse index of the K-1th borehole.
4. The method for arranging coal seam adaptive pressure relief drilling holes based on high static load identification according to claim 1, characterized in that: The determining the opening position of the Kth borehole according to the first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient includes: The second hole spacing D between the Kth borehole and the K-1th borehole is calculated by the following formula: K : D K =(1+B K ) * D K-1 Among them, B K is the spacing adaptive adjustment coefficient, D K-1 is the first hole spacing between the K-1th borehole and the K-2th borehole; Get the position coordinates of the K-1th drilling hole, and according to the position coordinates and the second hole spacing D K Determine the opening position of the Kth drill hole.
5. The method for arranging coal seam adaptive pressure relief drilling holes based on high static load identification according to claim 4 is characterized in that: In the step of obtaining the position coordinates of the K-1th drilling hole, according to the position coordinates and the second hole spacing D K Before determining the opening position of the Kth borehole, the method further includes: When the second hole spacing is less than or equal to the preset minimum drilling spacing value, assigning the second hole spacing to the minimum drilling spacing value; When the second hole spacing is greater than or equal to a preset maximum drilling spacing, the second hole spacing is assigned the maximum drilling spacing.
6. The method for arranging coal seam adaptive pressure relief drilling holes based on high static load identification according to claim 1, characterized in that: After obtaining the azimuth of the Kth borehole according to the vertical line, the method further includes: When the azimuth angle does not fall within a preset azimuth angle interval, the azimuth angle is assigned a preset angle; the preset angle is a value closest to the azimuth angle between the maximum value and the minimum value of the preset azimuth angle interval.
7. An adaptive pressure relief drilling arrangement device based on coal seam high static load identification, characterized in that: include: A calculation unit is used to obtain monitoring data of n arranged boreholes before the Kth borehole to be arranged in the coal seam, and calculate the impulse induction index of each of the n arranged boreholes according to the monitoring data; the impulse induction index is used to indicate the degree of static load accumulation in the high static load accumulation area in the borehole; K is an integer greater than 2; n is an integer greater than 2 or equal to 2 and less than K; the n arranged boreholes are all arranged boreholes within a preset range from the Kth borehole; A first determination unit is used to determine an adaptive adjustment coefficient of a spacing between the Kth borehole and the K-1th borehole according to respective impulse induction indexes of the K-1th borehole and the K-2th borehole; the K-2th borehole, the K-1th borehole, and the Kth borehole are arranged in sequence; A second determining unit, configured to determine a hole opening position of the Kth borehole according to a first hole spacing between the K-1th borehole and the K-2th borehole and the spacing adaptive adjustment coefficient; A fitting unit, used to determine the hole depth position corresponding to the high static load peak of each of the n arranged drill holes, and perform fitting processing on the hole depth position corresponding to each of the n arranged drill holes to obtain a first fitting curve and a fitting function corresponding to the first fitting curve; A third determination unit predicts a high static load peak position corresponding to the opening position of the Kth borehole according to the opening position and the fitting function; An updating unit, configured to update the first fitting curve using the high static load peak position to obtain an updated first fitting curve; A generating unit is used to generate a perpendicular line of the updated first fitting curve based on the opening position, and determine the azimuth of the Kth borehole according to the perpendicular line; an arranging unit is used to arrange the Kth borehole according to the borehole position and the azimuth, assign K a value of K+1, and return to execute the step of obtaining the monitoring data of each of the n arranged boreholes before the Kth borehole to be arranged in the coal seam, until all drilling operations of the coal seam are completed.
8. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, the method according to any one of claims 1 to 6 is implemented.
9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the method according to any one of claims 1 to 6 is implemented.
10. A computer program product, comprising a computer program, characterized in that The computer program implements the method according to any one of claims 1 to 6 when executed by a processor.
Citation Information
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