53 results about "TEX-explosive" patented technology

The present application relates to the technical field of charging system, especially to a remote control hole searching charging system and method for on-site mixed emulsion explosive truck, the guide ball is arranged in the scheme to provide guidance for the medicine delivery work of the charging pipe, the guide ball is installed through the cooperation of the support body, the placing groove cavity and the limiting cap body, so that the guide ball is convenient to disassemble, on this basis, the cleaning brush is arranged at the end of the limiting cap body, when the guide ball rolls, the dust and other impurities adhered to the guide ball are cleaned, so that the problem of jamming of the guide ball is avoided, furthermore, the position of the guide ball is adjusted according to the caliber of the blast hole through the adjusting assembly, that is, the diameter of the annular guide ball is matched with the blast hole, and the position of the guide ball is adjusted through the rotation of the inner threaded adjusting ring, so that the working flexibility is better.

The present application relates to the technical field of tunnel blasting, in particular to a kind of energy-gathering tube smooth blasting tool and construction process.The tool includes tool main body, and the tool main body includes installation strip;Explosive roll is equipped at the side wall of installation strip;Explosive roll includes sleeve, and sleeve inside is equipped with energy-gathering tube;The one end of energy-gathering tube that extends sleeve is equipped with energy-gathering cover;Energy-gathering tube side wall is equipped with strip-shaped hole;The distance between the side wall of both ends of strip-shaped hole gradually increases from the one end of energy-gathering tube close to energy-gathering cover to the other end of energy-gathering tube.The process includes S1, mark installation hole position;S2, drill installation hole;S3, energy-gathering tube assembly;S4, middle explosive roll production;S5, bottom explosive roll production;S6, explosive roll installation;S7, hole drilling;S8, connection, detonation;For the defects in the prior art, the present application can solve the problem that the amount of powder is reduced after the energy-gathering tube is loaded into the emulsified explosive shell, and the explosion power of emulsified explosive can be improved under the condition that the amount of powder is not convenient.

The present application provides a kind of open-air blasting hole net parameter determination method, device, electronic equipment and detection system, belongs to blasting engineering technical field.The method comprises: S1, obtains the rock mass explosibility parameter of target blast area, initial hole net parameter;S2, the parameters obtained and blasting energy parameters are input into numerical simulation model, and output prediction result;S3, obtains the measured result according to the current hole net parameter execution blasting;S4, according to the measured result and prediction result, corrects the parameters of numerical simulation model;S5, optimizes hole net parameter;S6, based on the iteration control of multi-objective optimization repeatedly executes S2-S5, and the first preset number of iterations control executes S2-S5, subsequent iteration control only executes S2 and S5;Until the prediction boulder rate exceeds the first threshold value, stop iteration, and the optimal hole net parameter with the prediction boulder rate less than the first threshold value is determined as target hole net parameter.The method is used to solve the problem of high explosive specific consumption in related art.

This application discloses a method and related apparatus for loading explosives in a radioactive mine, relating to the field of mineral mining. The method includes: acquiring borehole layering data in a radioactive mine, the borehole layering data including at least one radioactivity intensity of the borehole and the depth range corresponding to each radioactivity intensity; identifying the mineral grade type corresponding to each radioactivity intensity and determining the target explosive density corresponding to the mineral grade type; adjusting the current explosive density so that the density difference between the current explosive density and the target explosive density is no greater than a preset threshold; during the density adjustment process, determining the current explosive density based on the current color signal of the explosive; and loading the density-adjusted explosive within the depth range corresponding to each radioactivity intensity. This application determines the explosive density distribution in the borehole through radioactivity intensity, achieving dynamic adjustment and control of the explosive density, effectively improving the explosive loading accuracy and blasting effect.

The utility model belongs to the field of tunneling blasting technology, especially improve the blasting structure of large section tunneling footage, including the big diameter empty hole of setting in the center part of roadway section and the 6 auxiliary empty holes of the circular array distribution setting with big diameter empty hole as the center, the diameter of big diameter empty hole is 4 5 times of auxiliary empty hole diameter, through the former cut -groove hole is omitted, change for the big diameter empty hole of being located in the center of auxiliary empty hole, make the utilization ratio of blast hole effectively improve, explosive unit consumption reduces, and the tunneling cost reduces, and the blasting frequency is reduced, can reduce the dust, vibration harm, reduce the security risk, avoid the cut -groove hole construction rock burst risk, with the big diameter deep hole cut -groove way, the cycle footage of roadway blasting excavation is larger, and the cycle footage is stable, and the tunneling construction efficiency is greatly improved, and the overall application effect is good.

The utility model discloses a continuous charge structure based on blasting technique, including precharge device, the utility model discloses a precharge device has been set up, through the explosive roll filling is put into the inside of blasting cylinder main part, finally, the blasting cable is led out from the outlet, and the use blasting cylinder main part can assemble the explosive roll in advance and then insert into the blast hole, avoid the scattered explosive roll and get stuck somewhere inside the blast hole, ensure that the explosive roll is filled in place in the blast hole once, improve the charge operation efficiency, through setting up the compacting structure in the inside of upper cylinder section, after the explosive roll and blasting cylinder main part are filled, hold the handle and rotate the screw base into the inside of upper cylinder section and with internal thread rotation joint, the pressing plate passes through the upper cylinder section and inserts into the inside of extension section and carries out the explosive roll that is tightly packed and is filled, avoid the explosive roll and move in the blasting cylinder main part, and the explosive roll is not detonated in the specified position in the blast hole.

The utility model relates to the technical field of explosive charging, and disclose a kind of underground mine powdery explosive charging equipment, including bottom plate, the top of bottom plate is fixedly connected with fixed frame, fixed sleeve is connected with charging barrel in the inside of fixed frame, the top of charging barrel is fixedly connected with connecting frame, the inner surface of connecting frame is movably connected with sliding plate, the left side of connecting frame is fixedly connected with servo motor.The utility model sets up servo motor, first rotation axis, eccentric rod, vertical rod and hollow rod, starts servo motor, so that first rotation axis drives eccentric rod to rotate, at this time, eccentric rod extrudes and pushes vertical rod, so that vertical rod drives sliding plate to move vertically upward under the limiting action of connecting frame, so that second rotation axis and stirring rod are vertically vibrated while being rotated and dispersed, to reduce dead angle of dispersion, improve the stirring and dispersion effect of stirring rod.

The application discloses a target fixing device capable of realizing penetration and explosion test mode switching, which comprises a rectangular support base and a rectangular clamping seat. The support base is capable of transverse distance adjustment and locking at two adjacent sides, the clamping seat is formed by hinging three I-shaped steels of a right-angle steel, a first clamping arm and a second clamping arm, the right-angle steel is hinged to the non-movable side of the base to realize 0-90° overturning, the two-stage clamping arms slide along the I-shaped steel groove and are locked by a slide pin-groove hole-screw rod, different size test plates can be quickly fastened, the telescopic supporting legs are hinged to the clamping seat, the legs are erected during horizontal test and explosives are hung on the upper part of the legs, the legs are locked on the ground during vertical test, and one leg is used for two purposes to complete mode switching. The penetration and explosion test can be continuously carried out by one-time clamping, the repeated disassembly and assembly errors are eliminated, the cycle is shortened, and the cost is reduced.

The utility model discloses a blasthole hole protector, including the protection pipe and the cornice, the protection pipe is the cylindrical shape of inside hollow, and the protection pipe includes the first sheath and the second sheath, the connecting edge of first sheath and second sheath realizes detachable connection through the connecting component, the top outside welding of first sheath has the cornice A, the right side welding of second sheath top has the cornice B. The utility model passes through the protection cylinder of steel material and makes, can effectively block the collapse of the rock and soil around the hole mouth, avoids the problem of insufficient hole depth, does not need secondary perforation or secondary crushing, significantly reduces manpower, consumable and time, and first sheath and second sheath are detachably installed through the connecting component, solve the condition of taking out the protection cylinder and taking out the explosive, through being equipped with the fixed component between two cornices, not only through the connecting component between two sheaths, but also through the connection of fixed component, realize the installation firm and the dismounting function of protection cylinder, improve the overall stability of protection cylinder further.

The utility model discloses a kind of blast hole charging structure for mining blasting, it is related to mining exploitation technical field.The utility model includes support assembly, by bottom plate and fixed frame component, fixed frame is fixedly connected in the top of bottom plate;It also includes charging assembly, by charging pipe and stop tube component, charging pipe is set to the inside of bottom plate, stop tube is set to the bottom of bottom plate.The utility model has beneficial effect for: by setting support assembly, it is convenient for staff to place and disassemble this device, to facilitate extrusion and sealing to blast hole, improve the practicability of this device, by setting charging assembly, it is convenient for staff to extrude explosive in blast hole, improve its compactness, simultaneously, it is convenient for sealing to blast hole, prevent foreign matter from entering blast hole inside.

The embodiment of the application is suitable for the technical field of mining, and provides a tailings disposal scheme generation method, device and computer equipment, the method comprising: determining an associated ore body of a formed empty field; determining a single-shot explosive quantity and a blasting distance for blasting the associated ore body, the blasting distance being a distance between a blasting point and a center point of the formed empty field; calculating a required heap strength for resisting blasting of the associated ore body according to the single-shot explosive quantity and the blasting distance; and determining a tailings disposal scheme for filling the formed empty field according to the heap strength. The above method can determine a tailings disposal scheme in combination with parameters of a planned blasting operation, thereby preventing the influence of the blasting operation on the empty field used for disposing tailings.

The invention provides a method for determining the detonation speed of an explosive used for tunnel caving blasting by considering the influence of ground stress, and belongs to the technical field of blasting engineering and rock mass mechanics. Comprising the steps of obtaining rock mass mechanical parameters, blasting parameters and crustal stress data; establishing a stress analysis model based on ground stress and a blasting design drawing; establishing a crustal stress redistribution model caused by a cut cavity in the model, calculating radial pressure stress generated by crustal stress redistribution among the caving holes, and drawing a polar coordinate graph; establishing a collapse inter-hole explosion stress superposition model, and calculating circumferential tensile stress generated by explosion at the central points of the two holes; and based on the dynamic tensile strength and stress state of the rock, establishing a strength criterion for forming the inter-hole through crack, and deducing and solving the minimum explosive detonation speed required by the criterion. The blasting joint forming quality is effectively improved, back break is controlled, surrounding rock damage is reduced, and the safety, economical efficiency and reliability of blasting engineering are improved.

This invention discloses a eutectic explosive for laser-initiated detonation and its preparation method. The basic structure of the eutectic explosive includes one CL-20 molecule, two DATNBI molecules, and two acetonitrile molecules. The unit cell parameters of the eutectic explosive are α = 94.764°, β = 95.065°, γ = 107.066°, Z = 2, belonging to the monoclinic crystal system, space group P-1. The CL-20 / DATNBI eutectic of this invention exhibits low insensitivity and good thermal stability. It can be used as a new generation of metal-free laser-initiated explosives through a molecular-level hierarchical detonation structure, showing promising application prospects in the field of laser-initiated detonation.

The application discloses a deep hole pre-splitting blasting effect quantitative evaluation and dynamic regulation system, comprising a data acquisition and input module, an efficiency index calculation engine, an intelligent evaluation and grading module, a parameter response relationship analyzer, a dynamic optimization recommendation engine and a trend monitoring and early warning platform; the data acquisition and input module acquires microseismic energy, theoretical blasting energy, explosive quantity and an adjustment coefficient; the efficiency index calculation engine calculates a blasting efficiency index; the intelligent evaluation and grading module evaluates the blasting efficiency index; the parameter response relationship analyzer establishes a response model; the dynamic optimization recommendation engine generates a blasting parameter optimization scheme; and the trend monitoring and early warning platform tracks a sequence change of the blasting efficiency index and triggers an early warning. The application further discloses a deep hole pre-splitting blasting effect quantitative evaluation and dynamic regulation method. The application solves the defects of the prior blasting effect evaluation method, such as subjectivity, one-sidedness, weak physical correlation, low sensitivity and poor horizontal comparability.

This invention discloses a method and system for evaluating the explosiveness of minerals and rocks based on comprehensive weighting and multidimensional connection cloud, relating to the field of underground engineering technology. The method includes: establishing an evaluation index system by selecting four indicators—rock uniaxial compressive strength, rock unit weight, rock mass integrity coefficient, and explosive consumption per unit volume—to classify the explosiveness of minerals and rocks into seven levels; collecting sample data from engineering cases; determining the subjective weights of the indicators using an improved analytic hierarchy process (AHP) and the objective weights using an entropy weight method; introducing a distance function to calculate the preference coefficients of the subjective and objective weights, obtaining the comprehensive weights of the indicators; determining the multidimensional connection cloud digital characteristics of the indicators at each level based on the grading standards; calculating the comprehensive connection degree of the samples to each level using these characteristics and sample data; and determining the final explosiveness level based on the principle of maximum membership. This invention integrates subjective and objective information for comprehensive weighting and effectively handles the fuzziness and randomness in the evaluation using a multidimensional connection cloud model, improving the accuracy and reliability of the evaluation results. This invention also provides a software system for implementing this method.

This application provides a water-bag spaced-charge structure, relating to the field of blasting engineering technology. The water-bag spaced-charge structure includes: at least one height-adjustable telescopic water-bag unit, a corresponding water-stop valve assembly, and a support and positioning assembly. The water-stop valve assembly is located at the water inlet of the corresponding telescopic water-bag unit to maintain the internal seal of the telescopic water-bag unit and prevent water leakage. The support and positioning assembly supports the weight of all the telescopic water-bag units and connects to the explosive section within the blast hole, and also limits the axial displacement of all the telescopic water-bag units within the blast hole. The telescopic water-bag units form a controllable water medium interval within the explosive section of the blast hole to optimize the axial distribution of blasting energy. This water-bag spaced-charge structure allows for more convenient and flexible height adjustment, reducing on-site operational complexity and improving operational efficiency.

The application provides an explosive impact pressure testing device, and relates to the technical field of explosives and blasting engineering. The testing device simulates the hole wall where the explosive is located in the actual blasting through a testing pipe, and collects the test data of the detonation products generated after the explosion of the explosive, such as time, instantaneous impact pressure of the detonation products on the inner wall surface of the testing pipe and the like, by cooperating with an information collector. Meanwhile, the detonation products are reduced in energy carried when being discharged from the outlet end of the pressure relief pipe in the form of reverse folding and mutual collision by means of the main pressure relief channel and the auxiliary pressure relief channel, so that the testing device has good repeatability and low external impact power, reduces the high standard dependence of the testing device on the testing site, and avoids the problems of poor test repeatability, high cost, inconvenient operation and difficulty in obtaining stable and reliable data caused by the influence of factors such as geological conditions and charging parameters during the on-site blasting test.

This invention discloses a bench blasting method for reducing the proportion of large blocks in bedding rock mass in open-pit mines. An auxiliary blasting zone is arranged on the side of the normal blasting zone away from the bench slope of the rock mass. The width W2 of the auxiliary blasting zone is calculated using formula (1). At least one row of auxiliary blast holes is arranged within the auxiliary blasting zone, with the arrangement and spacing of the auxiliary blast holes following the normal blasting zone. The depth of each row of auxiliary blast holes is calculated using formula (2). This method utilizes auxiliary blast holes during bench blasting, effectively breaking up the rock mass in the auxiliary blasting zone. This solves the problem of large or even super-large blocks being generated by the rock mass sliding down along joint surfaces after the normal blasting of the rear rows of blast holes, effectively reducing the proportion of large blocks. The arrangement of auxiliary blast holes ensures a more uniform distribution of explosives within the rock mass to be blasted, resulting in more uniform rock mass size and a lower proportion of large blocks after blasting, which is beneficial for improving the efficiency of subsequent loading operations.

This application discloses a method, apparatus, medium, and computer equipment for determining the charging parameters of a fan-shaped blast hole. The method includes: segmenting each blast hole in the fan-shaped blast hole area to be blasted; determining the target vertical distance from the center point of the segment to the designated blast hole; adjusting the explosive quantity of the first single hole based on the target vertical distance and the target blast hole spacing; and calculating the explosive quantity and charging length of the segment. This method allows blast segments at different positions on the same blast hole to adapt to the radial spatial shape of the fan-shaped hole, avoiding the problem of irregular blasting funnel shape caused by excessive deviation in the vertical distance between the blast segment and adjacent blast holes. It also solves, to some extent, the problem of uneven explosive energy distribution caused by small hole opening spacing and large hole bottom spacing, improving the uniformity of ore size while reducing charging costs.

This invention provides a pre-fracture method for ultra-high BQ value rock masses, comprising the following steps: First, several blasting holes are opened at the working face, penetrating the ultra-high BQ value rock mass, with the blasting holes distributed in a vortex pattern around the center of the working face; second, explosives are filled into the blasting holes; third, the ends of the blasting holes are sealed; finally, the blasting holes are detonated one by one from the outside to the inside along the vortex pattern. This invention fully considers the effects of high ground stress and the characteristics of high BQ value rock masses, employing specific detonation paths, explosive structures, and sealing methods. This ensures that under the action of the explosion, the rock mass forms fissures between the blasting holes and cracks around the blasting holes, controlling the peak value of the explosive load while guaranteeing the pre-fracture effect. This method solves the technical problem of the difficulty in pre-fracture of ultra-high BQ value rock masses and is suitable for pre-fracture construction of rock masses under conditions of high ground stress and high integrity coefficient, offering advantages of high construction efficiency and low cost.

This invention provides an experimental device and method for simulating the damage characteristics of layered surrounding rock between blast holes. The device includes a support frame with Hopkinson rods at both ends. A rock mass sample is placed between the two Hopkinson rods, and a rock sample blast hole is located on one side of the sample. A baffle is placed on the blast hole, and fluid is supplied between the blast hole and the baffle. One of the Hopkinson rods strikes the blast hole, and the rock mass sample is cast using a casting mold. The device calculates the required radial and circumferential stresses, as well as the uniaxial compressive and tensile strengths, under different explosive charges, charge diameters, blast hole diameters, and distances from the calculation point to the charge center. Based on the obtained parameters, the device simulates the action of the explosive load during blast hole blasting. The device analyzes the damage characteristics of the rock sample under different blasting conditions using the calculated parameters, thereby achieving comprehensive and effective monitoring and measurement of the damage characteristics of layered surrounding rock between blast holes under blasting conditions. This method is suitable for widespread use.

The application discloses a method for simulating low-intensity damage effect of high-energy explosive by using low-energy explosive with reduced explosive quantity. The method adopts complete detonation reaction of low-energy explosive which is easy to control in experiments. By matching the energy density, the charging height and the charging cross-sectional area of the low-energy explosive, the damage effect under complete detonation of the low-energy explosive can represent the low-intensity reaction of high-energy explosive, so that the test of the low-intensity damage effect of high-energy explosive can be carried out, and the test is convenient to control. The method is suitable for different types and different structural sizes of high-energy explosive, and has good compatibility and scalability. Through test verification, the method is feasible and effective.

The application discloses a hole-in-mixing reaction type blast hole filling device, and belongs to the technical field of mine blasting construction, which comprises a traveling car body, a multi-connecting rod adjusting structure, a blast hole filling guide rail, an explosive filling structure and a stemming plugging structure, realizes integrated continuous operation of traveling, accurate positioning, charging and plugging in the blast hole filling process, and when the device is operated, the traveling car body is moved to the vicinity of the blast hole, and the guide rail is accurately aligned with the blast hole by the multi-connecting rod adjusting structure. The stemming plugging structure first acts, so that the blast hole baffle covers the hole mouth; then, the emulsion explosive is delivered to the hole bottom by the explosive filling structure. After charging is completed, the stemming plugging structure injects two kinds of liquid raw materials into the blast hole through the supply holes on the blast hole baffle, the raw materials are mixed and reacted in the hole, and a high-strength stemming plugging layer is formed by solidification. The integrated design effectively solves the problems of low efficiency, uneven filling quality and poor safety in high-risk environment in traditional manual operation, and is especially suitable for large-scale open-pit mine blasting operation scenes.

The application discloses a kind of shallow hole blasting excavation construction methods of limestone horizontal roadway, roadway section is divided into upper section and lower section, roadway upper section is arched, and lower section is rectangular, and construction steps include: (1) roadway lower section drills parallel shallow hole;(2) roadway lower section fills explosive;(3) blasthole fills loess;(4) roadway lower section blasting excavation footage;(5) roadway upper section and lower section after slagging simultaneously drill parallel shallow hole;(6) roadway upper section and lower section fill explosive;(7) blasthole fills loess;(8) roadway upper section and lower section blasting excavation footage;Step (5) to (8) are sequentially repeated to carry out limestone horizontal roadway shallow hole blasting excavation construction.The all drilling holes in the application are parallel shallow holes, and upper section has 2 blasting free surfaces, and lower section advanced excavation can provide more free surfaces, and upper section blasting can ensure excavation footage, which greatly improves section excavation footage efficiency.

This invention provides a method for recovering residual ore from inter-pillar mining under dry backfilling conditions in goaf areas, belonging to the field of mining residual ore recovery technology. The core technology of this invention is to release the already filled waste rock from one side of the stope to form a stable slope and simultaneously create a space for compensation against inter-pillar collapse. This invention requires less preparatory work; personnel operate in a small-section roadway space excavated within the footwall of the inter-pillar, ensuring excellent safety; no special cutting work is required, avoiding construction risks; ore is released along the natural slope, reducing ore dilution and loss rates; medium-deep holes penetrate both the surrounding rock and the ore body sequentially; during blasting, explosives are only loaded into the blast holes penetrating the ore body, effectively protecting the integrity of the main roadway roof and the surrounding rock on both sides; a top-down, retreating, step-by-step operation effectively controls the stability of the surrounding rock in the goaf area, achieving efficient connection between mining, extraction, and backfilling; flexible selection of the bottom structure of single-sided or double-sided electric scraper tracks can systematically solve key problems in the recovery of similar inter-pillar residual ore.

This invention provides a controllable-depth penetration device and method. The device includes: a deep-burying module, an explosive installation module, a gas compression module, a depth detection module, and a management module. After the management module obtains the final explosion depth scale, it controls the deep-burying module to limit its movement at the final explosion depth scale, disconnects the explosive installation module from the deep-burying module, and controls the gas compression module to drive the explosive installation module to move to the final explosion depth scale inside the deep-burying module. The explosive installation module then detonates at the final explosion depth scale. This method of penetrating first and then controlling the explosive depth provides adjustable explosion depth, increasing the feasibility of achieving the optimal explosion effect. Furthermore, the management module records acceleration data during the penetration process, providing practical data reference for obtaining the optimal depth and improving the reliability of the explosion effect.