3539 results about "Crusher" patented technology

The utility model discloses a horizontal crusher, which relates to the technical field of processing equipment and comprises a base, vibration motors are symmetrically mounted at the bottom end of the base, a collecting box is mounted at one end of the base, a shell is fixedly connected to the upper end of the base, a feed hopper is mounted at the upper end of the shell, vibration plates are symmetrically mounted at the upper end of the interior of the shell, and a feeding hopper is mounted at the lower end of the shell. The opposite ends of the vibrating plates are provided with vibrating strips, the bottom ends of the vibrating plates are provided with a U-shaped screening cover and a sliding mechanism, one end of the shell is provided with a driving motor, the output end of the driving motor is rotationally connected with a rotating rod through a rotating shaft, and the outer side of the rotating rod is symmetrically provided with crushing hammers; and elastic lock mechanisms are symmetrically installed on the outer sides of the rotating rods, and a dust removal mechanism is installed at one end of the shell. Due to the adoption of the structure, the crusher is convenient for a user to use, and the crushing effect and efficiency are improved.

The invention relates to the field of anti-blocking control methods for crushers, in particular to an intelligent anti-blocking feeding control method and system for a crusher, and the method comprises the steps: initializing rated working parameters of the crusher; the current of a main motor, the speed of a feeding belt and the material level of a crushing cavity are collected in real time; the current change rate is calculated according to the current of the main motor, whether the current change rate is larger than a threshold value or not is judged, if yes, preventive speed reduction is executed, and meanwhile the size of a discharging opening is enlarged; if not, entering the next step; calculating a dynamic control quantity according to the weight coefficient, the current of the main motor, the speed of the feeding belt and the material level of the crushing cavity; controlling the crusher according to the dynamic control quantity; the system comprises a detection module, a control decision module and an execution module. The material blocking risk can be reduced in the material blocking germination period, and the anti-blocking effect is improved.

The utility model relates to the technical field of ore crushing, and discloses a crusher for mineral separation, which comprises a base, a crushing barrel, a blanking barrel, a shearing crushing assembly, an extruding crushing assembly, a grinding assembly and a rotary driving assembly, the crushing barrel is arranged to perform princess installation on the shearing crushing assembly, the extrusion crushing assembly and the grinding assembly, so that ores are sequentially subjected to shearing crushing, extrusion crushing and grinding, the whole process is integrally performed, repeated operation is not needed, the processing efficiency of the equipment is improved, and smoke dust is effectively reduced.

The purpose of this invention is to provide a method for preparing cemented backfill materials based on response surface methodology using composite activating coal gasification slag. This method belongs to the field of mining engineering technology. Based on sorting and removing impurities from the coal gasification slag and drying it, the invention obtains ultrafine powder of the coal gasification slag for preparing the backfill material through ball milling. Then, coal gangue is crushed and screened using a crusher to obtain coarse, medium, and fine aggregates for the backfill material. Finally, cement, ultrafine coal gasification slag powder, coal gangue aggregate, activator, and water are mixed evenly to prepare the cemented backfill material. This invention not only solves the problem of low activity of coal gasification slag volcanic ash but also effectively controls the shortage of cemented backfill materials and high backfilling costs during cemented backfill mining, ensuring sustainable development. Furthermore, it effectively utilizes the widely accumulated coal gasification slag, reducing pollution and large-scale land occupation of the surrounding environment.

The invention relates to the technical field of jet milling, in particular to a jet milling control method for a fluidized bed jet mill. The method comprises the following steps: acquiring the scattered particle weight increment of large particles and the fine weight increment of fine particles between adjacent sampling moments; dividing into an initial increasing stage and a uniform increasing stage according to the numerical value change of the weight increment of the scattered particles at the maximum value position; in the initial increasing stage, the retention degree is determined according to the trend change of the small weight increment; the drag force degree is determined according to the numerical comparison of the fine weight increment and the granular weight increment in the initial increasing stage and the uniform increasing stage; and determining an adjustment coefficient of the jet milling pressure by combining the retention degree and the drag force degree at the current moment, and regulating and controlling the jet milling pressure at the current moment according to the adjustment coefficient. The airflow crushing pressure can be adjusted and controlled more objectively and reasonably, and the airflow crushing efficiency is effectively improved.

The invention relates to the technical field of mine beneficiation, and discloses a placer movable type gravity separation system and method, and the placer movable type gravity separation system comprises a movable type bearing base, an impact crusher, a spiral classifier and a plurality of parallel shaking tables; a spiral classifier is matched with an intelligent concentration monitoring system. The intelligent concentration monitoring system is composed of an ore pulp concentration sensor, a flow sensor, a PLC and an electric adjusting valve. The feeding end of each shaking table is connected with the discharging end of the spiral classifier through a flow dividing pipeline, and a flow distributing valve is arranged on the flow dividing pipeline. A damping device and crawler-type moving wheels are integrated at the bottom of the movable bearing base, the whole machine is in communication connection with the equipment through a central control cabinet, and data communication and material conveying closed-loop linkage of the raw material crushing unit, the ore pulp grading and concentration regulation and control unit, the multi-machine parallel gravity separation unit, the movable operation regulation and control unit and the central control unit are achieved. The intelligent control framework has the advantages of being accurate in ore pulp concentration regulation and control, high in treatment capacity and stable and reliable in moving operation.

A horizontal shaft impact crusher and method for adjusting the same is provided. The crusher housing has an inlet for receiving material to be crushed and an outlet for material that has been crushed. The crusher housing includes an impeller, which is mounted on a horizontal shaft and which is operative for rotating around a horizontal axis, a curtain against which material accelerated by the impeller may be crushed, and an adjustment device including an adjustment bar for adjusting the position of the curtain relative to the impeller, a cross beam to which the adjustment bar is connected, the crossbeam being adjustable relative to the impeller, and a drive cylinder arranged for displacing the cross beam to set the position of the curtain relative to the impeller. The drive cylinder includes an internally mounted sensor to measure the curtain position relative to the impeller.

The invention discloses a heat treatment device for crusher parts and a using method thereof, and relates to the technical field of heat treatment. To solve efficiency problems; the device specifically comprises a base; a stand column is fixed to the outer wall of the top of the center of the base through bolts, a rotating ring is rotationally connected to the outer wall of the stand column, and three supporting arms in an equal-angle circular array are arranged on the outer wall of the rotating ring. A clamping mechanism used for clamping and fixing a shaft is arranged at the end of the supporting arm, a high-frequency heating mechanism and a cooling mechanism are arranged on the top of the base, and the high-frequency heating mechanism is fixed to the base through a support. By arranging the rotatable supporting arm and cooperating with the high-frequency heating mechanism and the cooling mechanism, the whole device has three stations of feeding and discharging, high-frequency heating and spray cooling, and the three stations are circularly arranged, so that feeding and discharging, heating and cooling can be synchronously and crossly carried out, and the heat treatment efficiency is improved.

The invention discloses electric carbon product grinding equipment, and relates to the field of grinding equipment, the electric carbon product grinding equipment comprises a machine body, a crushing mechanism is arranged at the top of the machine body, a conveying mechanism is mounted at the bottom of the crushing mechanism, a feeding mechanism is arranged between the conveying mechanism and the machine body, and a grinding mechanism is mounted in the machine body. A large batch of electric carbon raw materials of different sizes are put into the equipment at a time, the mixed raw materials are preliminarily crushed through the crushing rollers, the feeding efficiency is remarkably improved, the labor cost is reduced, the electric carbon raw materials which are not fully crushed are automatically returned to the crushing area through the conveying mechanism to be subjected to secondary treatment, and the production efficiency is improved. A cam is arranged in the conveying mechanism to drive a movable plate to be opened and closed at high frequency, carbon raw materials can be pushed and prevented from being blocked, deep crushing of the raw materials is achieved through cooperation of rotation of an inner barrel and an outer barrel and multi-stage grinding media, meanwhile, impact force generated when the grinding media fall drives a spring type screen to vibrate autonomously, and powder is prevented from sticking and blocking screen holes without additional power. And smooth discharging is ensured.

The utility model discloses crushing equipment for ore crushing. The crushing equipment comprises a crushing rack, and the top of the crushing rack is provided with a constraint assembly and a compression-resistant assembly; the restraining assembly comprises a middle table, a first contact table, a second contact table and a plurality of rubber battens, the first contact table is fixedly arranged on one side of the middle table, and the second contact table is fixedly arranged on the other side of the middle table; the compression-resistant assembly comprises two U-shaped reinforcing plates and two triangular reinforcing plates, the tops of the two U-shaped reinforcing plates are fixedly connected with the bottom of the first contact table, damage to equipment and ores caused by single-time impact is reduced, the speed generated by gravity in the falling process of the ores is reduced, a rubber batten has elasticity and flexibility, and the service life of the rubber batten is prolonged. When ore is in contact with the rubber battens, the rubber battens can absorb kinetic energy of the ore through elastic deformation of the rubber battens, impact force between the ore and equipment is relieved, counter-acting force opposite to the falling direction of the ore is generated, and therefore the falling speed of the ore is reduced.

The invention discloses jaw crushing equipment for refractory material raw material processing, which belongs to the field of jaw crushers, and is characterized in that an upper crankshaft, a lower crankshaft, a reinforcing piston and an impact part are arranged on a fixed jaw plate mechanism by simulating the principle of an impact drill, so that the upper crankshaft and the lower crankshaft can be driven to rotate when a belt pulley I rotates; the reinforcing piston is promoted to reciprocate in the piston stroke channel, the impact pile section of the impact piece at the corresponding position in the piston stroke channel is continuously impacted in a reciprocating mode, the impact piece is driven to continuously reciprocate on the fixed jaw plate body, and finally the end of the impact rod continuously impacts the interior of a crushing cavity of the jaw crusher box body; and materials in the middle section position in the crushing cavity are impacted, and the crushing efficiency of the materials is improved.

The utility model relates to an efficient and environment-friendly machine-made fine sand production system which comprises a bar type feeder, a screen feed opening of the bar type feeder is connected to a linear vibrating screen I, and a screen feed opening of the bar type feeder is connected to a jaw crusher; a feed opening of the jaw crusher and an oversize feed opening of the linear vibrating screen I are connected to the intermediate crushing cone crusher, and a feed opening of the intermediate crushing cone crusher is connected to the linear vibrating screen II; screen discharge ports of the linear vibrating screen I and the linear vibrating screen II are connected to a trough type sand washer, a clean sand outlet of the trough type sand washer is connected to a rod mill, and a discharge port of the rod mill is connected to a high-frequency dewatering screen. A slurry outlet of the groove type sand washer and a slurry opening of the high-frequency dewatering screen are sequentially connected to a high-efficiency thickener and a plate-and-frame filter press. The dry-wet combined sand making process system is high in sand forming rate, quality indexes such as mud content, water content, grading and stone powder content of finished product sand can be well controlled in the sand making process, and the quality of finished product machine-made fine sand is improved.

The invention relates to the technical field of intelligent control, and discloses an intelligent hammer crusher control method and system based on artificial intelligence. The method comprises the steps that material characteristics are analyzed through near-infrared scanning, and vibration and acoustic signals are collected to obtain crushing state data; analyzing the energy conversion efficiency and the particle size distribution condition according to the data, and evaluating the crushing efficiency and the product quality; calculating the ratio of the optimal hammerhead linear speed to the feeding rate based on the evaluation result; and the optimization parameters are converted into equipment control signals to realize self-adaptive adjustment. The technical problems that traditional vibrating screen fixed parameter control cannot adapt to multi-coal-type changes, the multi-target constraint problems that screening efficiency and energy consumption are difficult to balance in the parameter optimization process, and a precise matching mechanism is lacked for control parameters and material characteristics are solved.

This application relates to the field of earthwork turning and drying, and in particular to an earthwork turning and drying device and method, including an earthwork turning and drying device and a turning and drying method. The turning and drying device includes a rake mounted on a vehicle body, a grabbing mechanism, a grabbing drive, a crushing mechanism, a crushing mechanism movement drive, a drying mechanism, and a turning mechanism. The turning and drying method includes screening, grabbing large soil clods, crushing soil clods, drying, primary drying, mixing, and secondary drying. The earthwork turning and drying device provided by this application uses a rake to screen the earthwork, uses a crushing mechanism to crush large soil clods, and uses a drying mechanism to dry the earthwork, which facilitates the evaporation of moisture in the earthwork and improves the turning and drying efficiency.

The invention relates to the technical field of production quality traceability, in particular to a barite powder production quality traceability-oriented data fusion method and a barite powder production quality traceability-oriented data fusion system. The method comprises the following steps: collecting mineral parameters of barite ores in raw ore sampling points as raw ore batch data; collecting monitoring data of the crusher; according to raw ore batch data and crusher monitoring data, the granularity change condition of barite is determined; collecting control data of the grinding device; determining the grain size refining condition of the barite according to the control data of the grinding device and the grain size change condition of the barite; dry packaging control data and packaging weighing results are collected; calculating the final particle size of the product based on the barite particle size refining condition, the drying packaging control data and the packaging weighing result; predicting a target quality index according to the final granularity of the product; and comparing index differences between the target quality index and the actually obtained quality inspection data of the finished product one by one so as to execute difference traceability. According to the invention, the quality controllability and tracing efficiency of barite powder production can be improved.

The utility model discloses a ditching and fertilizing device for planting, which comprises a mounting plate, a fertilizing mechanism is arranged at the bottom of the mounting plate, supporting legs are arranged at the bottom of the mounting plate, a soil covering mechanism is arranged on the inner side of the supporting leg on one side, and a crushing mechanism is arranged at the bottom end of the supporting leg on the other side. And the crushing mechanism and the fertilizing mechanism are provided with a transmission mechanism. According to the utility model, the crushing mechanism is arranged and can be linked through the fertilization mechanism and the transmission mechanism, and the crushing wheel is driven to perform pre-crushing treatment on the ground, so that the adjustable ditching structure performs ditching operation on the land, and the pre-crushing treatment is adopted, so that the soil is looser; furthermore, the adjustable ditching structure can move more quickly for ditching, the ditching efficiency is greatly improved, meanwhile, through belt transmission linkage, only one group of driving mechanism is needed, the equipment cost is saved, the electric energy is saved, and the use efficiency of the adjustable ditching structure is higher.

The invention provides a neodymium iron boron melt-spinning cooling device based on a double-sided forced cooling device and a refining method. The neodymium iron boron melt-spinning cooling device comprises a copper wheel cooling unit, a liquid argon forced cooling unit, a drum-type cooler and a crusher. Carrying out melt-spinning forming on the neodymium-iron-boron melt through a high-speed rotating copper wheel, and realizing primary cooling through a sticking roller surface; a liquid argon nozzle array is arranged above the free surface of the melt-spinning sheet, liquid argon is sprayed at an angle of 30-60 degrees, and secondary forced cooling is formed; and then entering a drum-type cooler for heat conduction cooling, and finally treating by a crusher. According to the device, a double-face cooling system of the roller pasting face and the free face is constructed, the cooling efficiency is effectively improved, the grain size is refined, the heavy rare earth adding amount is reduced, and the device is suitable for preparing the high-performance neodymium-iron-boron magnet.

The utility model relates to the related technical field of building construction, in particular to a building gravel material uniform stirring device which comprises a stirring box, a discharging port is formed in the bottom of the stirring box, a feeding port is formed in the top of the stirring box, and a rectangular plate is arranged at the center of the top of the feeding port. Under the cooperative action of the discharging port, the feeding port, the rectangular plate, the L-shaped supporting frame, the gear box, the valve and the crushing mechanism, a user can crush large-size gravel while adding the gravel into the stirring box through the feeding port, so that the size of the gravel is uniform, the situation that the gravel mixing effect is poor is avoided, and the service life of the gravel is prolonged. The problems that an existing building gravel material uniform stirring device does not have the function of crushing large-size gravel, so that part of the gravel cannot be fully mixed with concrete due to the large size, and the mixing effect is poor when the stirring device stirs and mixes the gravel material are solved.

The invention relates to the technical field of quartz sand processing, and discloses a quartz sand washing pulverizer which comprises a frame body, a lower cleaning box is arranged on the frame body, a spiral conveyor is arranged on the inner side of the lower cleaning box, a top plate is arranged at the top of the frame body, a pre-cleaning box is arranged at the bottom of the top plate, and a feeding mechanism is arranged between the lower cleaning box and the pre-cleaning box. A flow guide mechanism and a crushing mechanism are arranged at the pre-cleaning box, the flow guide mechanism comprises a first driver and a flow guide rotating table, the flow guide rotating table is rotationally hung at the bottom of the top plate, the crushing mechanism comprises a second driver and a crushing frustum, the crushing frustum rotates in the pre-cleaning box, and the feeding mechanism conveys materials in the pre-cleaning box to the lower cleaning box. According to the device, through the integrated design of pre-cleaning, crushing, deep cleaning and material conveying, the problems that in existing quartz sand processing, procedure connection is not smooth, particles are not uniform, cleaning is not thorough, resources are wasted, and secondary pollution is caused are effectively solved.

The invention provides a fan blade multi-stage crushing device which comprises a first-stage belt conveyor, a first-stage shredding machine, a second-stage belt conveyor, a second-stage shredding machine, a third-stage belt conveyor and a crusher which are sequentially arranged, and the first-stage belt conveyor, the second-stage belt conveyor and the third-stage belt conveyor are all obliquely arranged; the shredding machine comprises a feeding hopper, a shredding bin and a discharging hopper, two cutting rollers meshed with each other are connected into the shredding bin, the discharging granularity of the second-stage shredding machine is smaller than that of the first-stage shredding machine, and the smashing machine is arranged below the discharging end of the third-stage belt conveyor. By arranging the multi-stage belt conveyors and the shredding machine, the fineness of particles crushed by the fan blades can be improved, the subsequent separation operation of light materials and heavy materials is facilitated, the working efficiency is improved, and the crusher cannot be damaged.

The utility model relates to the technical field of waste recycling, and discloses a film trimming waste recycling structure which comprises a support which is a device body and used for supporting a device, a smashing assembly which is arranged on the top of the support and used for smashing and recycling waste, and a feeding assembly which is arranged on the top of the support and used for feeding the waste. The feeding assembly is arranged on the outer wall of the smashing assembly and used for transporting thin film waste, the smashing assembly comprises a fan and a smashing machine, the fan is arranged on the outer wall of the support, and the smashing machine is arranged on the top of the support. According to the utility model, when the thin film waste is crushed, wind power is guided into the venturi, so that a siphon reaction is triggered, the waste at the bottom of the venturi can be guided into the crusher to be crushed, and then crushed particles are discharged through the fan; the problem that in the prior art, when waste is recycled, a crusher needs to be independently placed, and consequently cost is increased is solved, cost expenditure is reduced, and working efficiency is improved.

A testing device for measuring oil, gas and water contents in rock has a heating desorption unit that has a sample chamber for placing a rock sample to be detected, a crushing mechanism arranged within the sample chamber, and a heating mechanism. The heating desorption unit crushes and heats the rock sample in a sealed manner to achieve gas analysis and desorption analysis of oil and water contained therein, thus obtaining components to be detected. The device further has a cold trap collection unit in communication with the sample chamber, a light hydrocarbon capture unit in communication with the cold trap collection unit, a gas measuring unit in communication with the light hydrocarbon capture unit for measuring and calculating a gas volume; and a central control unit for controlling the testing device.

The invention discloses an architectural ceramic wetting and powdering production system, which relates to the technical field of ceramic production systems, and comprises two main process links of dry grinding and fine powder wetting, and wet ball milling and fine powder wetting. Wherein dry grinding comprises a raw material storing and batching device, raw materials in the raw material storing and batching device are classified through dry and wet raw materials, hard stone raw materials are fed into a column crusher to be crushed, and a vertical mill or a dry ball mill is selected according to the comprehensive moisture difference of the raw materials in the formula; a feeding machine in the wet ball milling is communicated with a wet ball mill, the wet ball mill is communicated with a slurry tank, and powder in the slurry tank is treated to obtain dry fine powder; fine powder wetting comprises a wetting tower, powder of the wetting tower is fed into a drum screen, and the drum screen feeds the powder into a self-flowing type powder waking bin. According to the invention, the selection of the vertical mill or the dry ball mill can be determined according to the water content in the raw material formula, and the dry fine powder is wetted by the wetting tower, so that compared with a traditional wetting mode, the wetting tower can more uniformly wet the dry fine powder.

The utility model relates to the technical field of crushers, in particular to a glass bottle crusher which comprises a crushing mechanism, a dust removal mechanism and a collecting mechanism, the dust removal mechanism is arranged on one vertical side of the crushing mechanism, the interiors of the dust removal mechanism and the crushing mechanism are mutually communicated, and a discharging box is arranged at the bottom of the crushing mechanism. A material guide plate used for controlling the moving direction of broken glass is arranged in the material discharging box, the collecting mechanism is arranged below one end of a material outlet of the material guide plate, and the material discharging box is communicated with the interior of the crushing mechanism. The dust removal mechanism is arranged, power generated when the driving assembly rotates is utilized, a first belt wheel, a transmission belt and a second belt wheel are matched to drive a rotating shaft to rotate, when the rotating shaft rotates, a bent blade is driven to rotate through a mounting roller, and then dust generated during crushing is absorbed into a dust collection box; and finally, discharging and collecting are conducted through the exhaust pipe, the equipment manufacturing cost is reduced, organic linkage is formed, starting and stopping do not need to be independently controlled, and the operation difficulty is reduced.

The invention discloses an online monitoring method and device for an ore crushing and screening processing technology, and the method comprises the steps: deploying intelligent monitoring equipment at different technology nodes, and detecting the granularity data of ore in a manner of combining 3D vision with a deep learning model; analyzing by combining material quantity data to obtain a screen mesh damage condition and a screen mesh blockage condition of a screening machine used in the pre-screening process and the screening checking process; the material quantity data and the particle size data of the discharged materials of the medium crushing process and the fine crushing process are associated with the first association model and the second association model respectively, the real-time lining plate abrasion loss and the discharge port opening degree of the crusher of the medium crushing process and the fine crushing process are obtained, and the remaining service life is determined according to the real-time lining plate abrasion loss. And adjusting the discharge port of the crusher according to the real-time opening degree of the discharge port to enable the opening degree of the discharge port to reach the preset opening degree. According to the invention, full-process quality monitoring and equipment state feedback can be realized, so that the production is more intelligent.

The utility model relates to the technical field of crushers, in particular to a hammer crusher. The device comprises a shell, and a feeding port and a discharging port are formed in the shell; the rotor hammer seat is rotationally arranged in the shell, and a plurality of hammer heads are arranged on the rotor hammer seat; the movable support is movably arranged on the shell, and the side, close to the hammer head, of the movable support is provided with an impact beating plate used for bearing materials beaten out by the hammer head; the adjusting mechanism is arranged on the shell and used for adjusting the size of a crushing gap between the movable support and the hammer head, the adjusting mechanism and the movable support are provided with a movable installation assembly in a matched mode, and the movable installation assembly is used for absorbing the corner difference generated by the movable support and the adjusting mechanism when the movable support rotates around the hinged position. The size of the crushing gap between the impact beating plate on the movable support and the hammer head is adjusted through the adjusting mechanism, and the problems that the crushing effect is poor and the crushing gap adjusting range is very small due to the fact that the crushing gap is enlarged due to abrasion of the impact beating plate and the hammer head are solved.

The invention belongs to the technical field of road maintenance machinery, and particularly relates to a material rotary crushing device and crusher. The device comprises a main support which is connected with a swing arm used for driving the main support to swing up and down, and the two sides of the main support are connected with supporting legs; the first box body is in sliding connection with the main bracket along the vertical sliding rail; the second box body is rotationally connected with the first box body, and a horizontal sliding rail is arranged on the second box body; the transverse moving support is in sliding connection with the horizontal sliding rail; and a milling device is mounted on the base. The milling device can be driven to horizontally move by sliding the transverse moving bracket along the horizontal sliding rail, so that the size of the operation radius is adjusted; the swinging arm swings to drive the main support to descend so that the supporting legs can make contact with the ground, the first box body moves along the main support to drive the milling device to move to a proper depth, and then the second box body is driven to rotate so that the milling device can be driven to rotate. According to the invention, the pavement in the operation area can be entirely broken and dismantled, and manual breaking and dismantling are not needed.

To eliminate influence of external conditions as much as possible, and control a crusher with good accuracy.SOLUTION: A crushing control system comprises: measuring means which measures power or current of electrical equipment that receives a load of a material supplied into a crushing space during operation of a crusher; calculation means (33) which calculates "material load index" that represents an amount of change of power or current per prescribed time on the basis of a measurement result of the measuring means; comparison means (34) which compares the material load index calculated by the calculation means and a preset threshold or range; and adjustment processing means (35) which adjusts a control value including a gap value of the crushing space on the basis of a comparison result of the comparison means.SELECTED DRAWING: Figure 2

The invention discloses a loading structure optimization method based on stress wave analysis in open bench blasting. The method comprises the following steps: S1, performing rock mass blasting and stress wave theoretical analysis, researching a rock mass blasting rock breaking process and a breaking mechanism, deducing rock mass blasting mechanisms under different coupling media, and analyzing the influence of different coupling media on the blasting effect; and S2, calculating the initial delay detonation time according to the delay detonation rock blasting principle, and determining the optimal delay detonation time through numerical simulation calculation and field test demonstration. According to the method, a method combining theoretical analysis, numerical simulation and field test is comprehensively applied, a scientific and systematic charging structure optimization scheme is provided for open bench blasting, wide applicability and popularization value are achieved, progress of the open bench blasting technology can be promoted, and sustainable development of the mining industry is promoted.

The utility model discloses a suspension support device for a surge bin lining plate of a crusher, which relates to the technical field of maintenance of the surge bin lining plate of the crusher, and comprises a fixed part and a protective part, and the fixed part is used for being fixedly connected to the surge bin of the crusher; the protection part is used for being detachably connected with the fixing part in a clamped mode so as to bear hitting or scouring of ore rock materials, the structure is simple, use is convenient, the labor intensity of maintenance workers is effectively relieved, and the operation efficiency is effectively improved.