15results about How to "Improve blasting effect" patented technology

The invention discloses a drilling blasting explosive energy transfer mode design and a data simulation method thereof, and relates to the technical field of blasting engineering.The drilling blasting explosive energy transfer mode design method comprises the steps that a rock sample is manufactured, mechanical parameters of the rock sample are tested, and the type of the rock is determined; respectively carrying out bursting tests on the multiple groups of rock samples; measuring, contrastively analyzing the average crushing particle size, the boulder rate and the total seismic wave energy of the central areas of the multiple groups of rock samples; establishing an explosive blasting energy transfer evaluation system, and determining an explosive column installation scheme; the data simulation method comprises the following steps: determining a blasting energy attenuation coefficient, an eccentric influence factor and an explosive energy transfer coefficient of a rock sample; establishing a blasting explosive energy transfer model and an explosive explosion energy density calculation formula; verifying and correcting an explosive explosion energy density calculation formula; the blasting effect can be predicted, the on-site trial blasting frequency is reduced, and the cost is reduced.

This application relates to the field of food processing technology, specifically disclosing a freeze-resistant lava-filled popping bead, its preparation method, and its application. The freeze-resistant lava-filled popping bead comprises an inner core liquid, a popping bead wall material liquid, a curing liquid, and a storage liquid. The inner core liquid comprises the following raw materials in parts by weight: 80-120 parts white sugar, 3-6 parts calcium salt, 30-60 parts edible alcohol, and 41-68 parts water. The preparation method is as follows: white sugar, calcium salt, edible alcohol, and water are mixed until dissolved to obtain the inner core liquid; alginate, glycerin, pectin, and acidic substances are mixed with water until dissolved to obtain the popping bead wall material liquid; calcium salt, chitosan, and water are mixed evenly to obtain the curing liquid; fructose syrup, edible alcohol, and water are mixed evenly to obtain the storage liquid; the inner core liquid is added dropwise to the popping bead wall material liquid for a coating reaction; excess adhesive is filtered out and washed away; the bead is then placed in the curing liquid and the storage liquid in sequence; after packaging and high-temperature sterilization, the finished product is obtained. It has the advantage of bursting and lava-filled core when eaten frozen.

The application discloses a method, device and equipment for arranging blast holes in an underground mine and a storage medium. The method comprises: obtaining blast hole arrangement parameters, which represent parameter requirements related to blasting in the underground mine; generating a blast hole feasible region based on blast hole design accuracy, coordinates of a core point of a drilling machine, the blast hole arrangement parameters and a blasting space range of the underground mine, the blast hole feasible region comprising blast hole positions of a plurality of blast holes; obtaining a blast hole arrangement scheme based on the blast hole feasible region and a set blasting optimization model; and wherein the blasting optimization model takes the sum of error values between hole bottom distances of the blast holes and average hole bottom distances as an optimization target, and the blast hole arrangement scheme comprises target blast hole positions selected from the blast hole feasible region. The blast holes in the underground mine can be optimally arranged in combination with blasting boundary space constraints and parameter requirements related to blasting, thereby maximizing the uniformity of hole bottom distances between the blast holes.

The invention belongs to the technical field of tunnel engineering, and particularly relates to a tunnel blasting scheme design method and system based on a database technology. According to the scheme, a hybrid architecture historical blasting case database comprising structured data and spatial data is constructed, and a progressive retrieval engine and a scheme generation algorithm are combined; the innovation of tunnel blasting design from experience dependence to data driving is realized; according to the scheme, structural features such as blasting parameters and geologic features are deeply fused with spatial features, a proposed progressive retrieval engine is combined, the spatial query efficiency is effectively improved, meanwhile, the matching degree of a reference case and an actual scene is improved, and meanwhile, the matching efficiency of the reference case and the actual scene is improved. According to the scheme, a tunnel blasting scheme generation normal form integrating benchmark maintenance, parameter optimization and expert verification is provided, so that the accuracy of the generation scheme is guaranteed, and meanwhile, the generation scheme can better adapt to an actual scene.

The utility model relates to operation equipment technical field especially, it is tunnel blasthole operation equipment with multi -way stuffing function. It mainly aims at the traditional tunnel blasthole stuffing adopts the pipeline perpendicular to tunnel wall, because the quantity of tunnel blasthole is many, the position is complex, leads to this mode to be difficult to flexibly aim at the blasthole of non - perpendicular or tricky position, there is the problem that the operation is complicated, the efficiency is low, and the following technical scheme is proposed, including the fixed pipe of setting in blasthole one side, the fixed pipe is away from blasthole one end and is provided with the guide pipe, the steering assembly is connected in the fixed pipe with the guide pipe between, the steering assembly is used for adjusting the orientation of guide pipe, the medicine pushing mechanism is installed in the fixed pipe side, the medicine pushing mechanism is used for pushing the medicine bag and inserts it into the blasthole, the let - go component is arranged on the medicine pushing mechanism, and the let - go component is used for letting - go. The utility model has improved the convenience and quality of stuffing operation, and has enhanced the blasting effect and construction safety.

This invention discloses an intelligent projection positioning and drilling accuracy control system for blast holes at tunnel faces, belonging to the field of tunnel drilling and blasting construction technology. It aims to solve the technical problems of inaccurate blast hole positioning and large drilling direction deviations in existing tunnel face systems, leading to low construction efficiency. The key technical points are: the control system includes a structured light projector mounted on a tunnel drilling and blasting trolley, at least two industrial cameras, a fiber optic shape demodulation module, and a controller. A fiber optic shape sensing unit is installed inside the drill rod at the end of the drill arm of the drilling and blasting trolley; the structured light projector projects structured light, the industrial cameras acquire binocular images, the fiber optic shape demodulation module calculates the curvature and torsion angle sequence of the sensing unit, and the controller controls the drill arm drive mechanism to correct the drill bit position and direction through 3D reconstruction, coordinate comparison, and real-time deviation adjustment. This invention achieves intelligent positioning and drilling accuracy control of blast holes at tunnel faces, improving the accuracy and efficiency of tunnel drilling and blasting construction.

The utility model belongs to the technical field of blasting auxiliary devices, and particularly relates to a deep hole blasting explosive filling device which comprises an explosive filling pipe, an explosive filling device and a deep hole blasting device. The explosive filling pipe further comprises two half pipe bodies, the two half pipe bodies can be spliced to form the explosive filling pipe, and a splicing seam between the two half pipe bodies forms an explosion guiding groove. The positioning bulge is arranged in the inner wall of the half pipe body and is used for centrally fixing the emulsion explosive filled in the filling space; the connecting part comprises an extending groove part and an extending pipe part which are arranged at the two ends of the half pipe body respectively; aligning inserting grooves are formed in the inner walls of the extending groove parts, aligning inserting strips are arranged on the outer walls of the extending pipe parts, the aligning inserting grooves can be matched with the aligning inserting strips to align detonating grooves in the adjacent explosive filling pipes, and compared with the prior art, the phenomenon that blasting force is dispersed is reduced, and blasting uniformity is improved.

The utility model relates to an explosive charging device for mining blasting, which comprises an explosive tube, a fixing sleeve is sleeved outside the explosive tube, two support rods are connected outside the fixing sleeve, the top ends of the two support rods are connected with a same support frame, a fixing seat is connected in the support frame, a cylinder is arranged in the fixing seat in a penetrating manner, and the cylinder is connected with the fixing sleeve. A pneumatic clamping jaw is arranged at the bottom end of the air cylinder, two limiting clamping rings are clamped in the pneumatic clamping jaw, elastic telescopic rods are connected to the inner sides of the two limiting clamping rings, the ends, close to each other, of the two elastic telescopic rods are connected with the same limiting ring, and a medicine storage cylinder is connected into the limiting ring. The device can flexibly and accurately control the distribution position of explosives in the explosive tube through cooperation of stretching and retracting of the air cylinder and the measuring device, meanwhile, through the design of a limiting clamping ring and an elastic telescopic rod, the explosives can be rapidly limited in the explosive tube, accurate distribution of the explosives is completed, and the uniformity and accuracy of explosive distribution are ensured; therefore, the blasting effect and safety are improved.

This invention discloses a 5G-based remote data monitoring and parameter control system and method for explosive loading equipment. The system includes: a field perception layer, a data transmission layer, a remote control layer, and an execution control layer. The field perception layer includes flow sensors, pressure sensors, temperature sensors, position sensors, speed sensors, a Beidou positioning module, and a camera installed on the explosive loading equipment. These sensors are used to collect data on latex matrix flow rate, sensitizer flow rate, delivery pressure, matrix temperature, hydraulic oil temperature, explosive loading height, delivery pump speed, equipment location, and on-site environmental imagery. This invention achieves remote real-time monitoring and parameter control through 5G communication technology, integrating high-precision data acquisition, rapid data transmission, intelligent data analysis, and precise execution control. It solves many shortcomings of traditional explosive loading equipment, improves explosive loading efficiency, blasting effect, and intrinsic safety level, and provides strong technical support for the construction of smart open-pit mines.

This invention discloses a method for lubrication and drag reduction, as well as rapid static sensitization at the end of a pipeline for transporting mixed emulsion explosives. The method includes the following steps: S1, a latex matrix is ​​pumped into the pipeline using a pump, while a sensitizer is pumped into a lubrication and drag reduction device using a high-pressure plunger pump; S2, the lubrication and drag reduction device evenly distributes the sensitizer on the inner wall of the pipeline, forming a continuous lubricating film, thus achieving layered transport of the latex matrix and sensitizer; S3, the layered latex matrix and sensitizer enter a static mixer at the end of the pipeline for rapid and uniform mixing. This invention utilizes the sensitizer as a lubricant to form a lubricating film through a lubrication and drag reduction device, achieving layered transport of the latex matrix and sensitizer. This significantly reduces transport resistance, solves the problems of blockage and excessive pressure in long-distance transport pipelines, improves transport efficiency and intrinsic safety, and has significant economic and social benefits.

The present application belongs to the technical field of mining, and specifically discloses a method for measuring the minimum resistance line of an open-pit metal mine under special conditions. The position of the turning point of the bench surface is determined by using a long rod and a flexible ruler, the type of the bench is determined according to the position of the turning point, and then a profile drawing of the blast hole at the position is drawn in drawing software according to the bench elevation and the charge length of the blasting design. According to the known parameters, the position of the turning point B of the bench surface in the profile drawing can be determined, and the length of the minimum resistance line can be quickly and accurately measured according to different types of benches, thereby providing an important reference for the blasting design and charge construction, controlling the blasting direction, reducing the risk of punching, effectively improving the blasting effect, and significantly optimizing the blasting design. The present application provides a safe and practical technical means for measuring the minimum resistance line of the bench deep-hole blasting of an open-pit mine, and significantly improves the blasting effect of the open-pit metal mine.

The invention discloses a point cloud fusion-based blasting area modeling method and application thereof, and the method comprises the steps: carrying out the aerial survey scanning of a blasting area through employing an unmanned plane, obtaining the terrain point cloud data of the blasting area, and generating a blasting area surface three-dimensional model; arranging blasting holes in the three-dimensional point cloud model of the surface of the blasting area, and sending hole position information of the blasting holes to a drilling machine to drill holes in corresponding positions of the blasting area; laser scanning is conducted on the interior of the blast hole, blast hole interior point cloud data containing the geological features of the hole wall of the blast hole are obtained, and a blast hole interior geological model is generated; and performing point cloud data fusion on the blast hole internal three-dimensional geologic model according to the hole position coordinates of the distributed holes in the step 2 and the blasting area surface three-dimensional model, performing geologic feature interpolation filling on model space grid points among the blasting blast holes, and establishing a blasting area three-dimensional geologic model with complete blasting area surface topography and internal geologic structure. According to the method, the geological features in the stratum of the blasting area can be more accurately obtained, and guided charging is carried out in the blasting holes according to the geological features of the blasting holes.

The invention provides an anti-blocking hole protection and smooth blasting collaborative operation system for peripheral holes of a large-section tunnel, and belongs to the technical field of tunnel construction. The method comprises the following steps: S1, determining peripheral hole arrangement parameters based on tunnel geological survey data; s2, a combined type anti-blocking hole protecting device is adopted for conducting drilling protection on peripheral holes, the anti-blocking hole protecting device is synchronously installed in the drilling process, and after drilling is completed, residual rock powder in the holes is removed through cooperation of high-pressure airflow and a rock powder collecting assembly; s3, adjusting light explosion parameters according to the rock firmness coefficient; s4, adopting a partition collaborative detonation mode, and adopting millisecond millisecond detonation for the peripheral holes and the main detonation holes; and S5, flatness detection is conducted on the tunnel slope after blasting. According to the method, integrated cooperation of anti-blocking hole protection, smooth blasting parameter optimization, detonation control and parameter closed-loop adjustment is achieved, the peripheral hole drilling quality, the smooth blasting effect and the construction efficiency are improved, the construction cost is reduced, and tunnel construction safety and structural stability are guaranteed.

The application provides a method for reducing vibration by slanting blast hole trenching blasting, which sets a starting blasting area in front of a main blasting area, and specifically comprises the following contents: (1) at least five rows of blast holes with equal depth are set in the starting blasting area, and a blast hole in the middle is taken as a middle row; all the blast holes are slanting blast holes; one half-blast hole is set in the middle row; the blast holes on both sides of the middle row are slanting blast holes which are inclined to a reference surface; (2) the total charge amount of the blast hole in the middle row is 50-60% of the hole depth; the total charge amount of the half-blast hole is one third to one half of the hole depth; the total charge amount of the blast holes on both sides of the middle row is 45-50% of the hole depth; (3) the half-blast hole is first blasted, then the blast holes in the middle row are blasted one by one, and finally the other blast holes in the starting blasting area are blasted one by one; when blasting the blast holes in the starting blasting area, the blast holes are blasted one by one with time delay. The technical scheme of the application can effectively reduce the blasting vibration intensity.

The utility model discloses a modularization carbon dioxide gas segmented blasting equipment relates to carbon dioxide blasting technical field. The utility model discloses a displacement component, the top swing joint of displacement component has clamping and pushing subassembly, the inner chamber clamping of clamping and pushing subassembly has blasting component, and the displacement component includes the frame. The frame in the displacement component of the utility model is as the bearing base, and the universal wheel gives the equipment flexible steering and the removal ability, compared with traditional large -scale equipment, need not rely on special transport tool, can directly shuttle freely in the construction site, significantly reduce transportation cost, through the telescopic adjustment of hydraulic telescopic link, can easily realize the change of placing board angle, keep horizontal bearing blasting component when transporting, reach the hole and can set up the placing board vertically, make blasting component natural perpendicular alignment hole, effectively avoid the knock -about, the problem of inclination in the carrying process, guarantee the equipment safety, improve transportation efficiency and flexibility.