24 results about "Rock flour" patented technology

The invention discloses a geotechnical engineering drilling device, and relates to the technical field of geotechnical engineering. The geotechnical engineering drilling device comprises a vehicle body, a rotating assembly and a drilling assembly, and a rotating disc and an adjusting assembly are arranged on the vehicle body. According to the geotechnical engineering drilling device, a large amount of rock powder and dust can be generated through high-speed rotary drilling of the drilling rod, the dust can diffuse in an operation area, respiratory diseases are caused after workers inhale the dust, the sight line of a drilling point position can be blocked, and even the dust is accumulated and enters a transmission part of the drilling device to cause abrasion and shorten the service life of equipment; the cleaning function of the water pump and the annular pipe can synchronously reduce dust during drilling, dust is inhibited and washed in time through water flow or a cleaning medium, dust diffusion is avoided, the working environment is improved, the body health of workers is protected, the drilling area can be clearly exposed, operators can conveniently observe the drilling condition in real time, and the drilling efficiency is improved. Meanwhile, pollution of dust to internal parts of equipment is reduced, and the maintenance frequency and cost of the equipment are reduced.

The application discloses a kind of complex geological conditions under multi-metal ore blending unit automatic division method, comprising the following steps;Step 1: collecting rock powder test data;Step 2: the rock powder test data collected is preprocessed;Step 3: based on space geometry, find out blast pile borehole boundary point by means of-shape method, form peripheral boundary polygon, and-shape method is used to approach blast pile boundary;Step 4: the blast pile borehole boundary point is expanded outward;Step 5: by means of Voronoi diagram algorithm, blast hole is divided into tessellation polygon on the level, and the range including influence area is formed;Step 6: fine ore blending unit solution division and evaluation, the inverse ratio of the square of the distance of ore block and each ore blending center is weighted, the attribution proportion of each ore block to different unit is calculated, and ore blending unit division is realized.The application realizes the whole process automation from rock powder test data acquisition processing, boundary extraction, unit division to resource quantity estimation.

A surface mine drilling rock powder in-situ stratified sampling device relates to the technical field of mines and comprises an outer pipe body, an inner pipe body, a piston and a closing device, the inner pipe body is slidably arranged in the outer pipe body, and the piston is arranged in the inner pipe body in a drawing manner; the closing device is fixed to an opening in the lower end of the outer pipe body and comprises a baffle ring, a round pipe and a sector plate, an inner hole of the baffle ring is a stepped hole, an upper hole of the stepped hole is a round hole, a big-end-down trapezoidal hole extends from the lower end face of the round hole to the edge of the lower end of the baffle ring, and the outer ring face of the baffle ring is fixed to the inner wall of the bottom of the outer pipe body. A round pipe is arranged on the baffle ring, a plurality of fixing blocks are arranged on the round pipe at intervals, the round pipe is fixed on the baffle ring through the fixing blocks, a plurality of fan-shaped plates are arranged, the fan-shaped plates are combined to form a round structure, sleeves are fixed on the outer arc surfaces of the fan-shaped plates, and the sleeves are rotationally arranged outside the round pipe. According to the utility model, the purpose of stratified sampling is realized, and the sampling work is more accurate.

The invention belongs to the technical field of gas extraction and drainage, and discloses a negative pressure stabilizing device for gas extraction and drainage in an underground coal mine, which comprises an extraction pipeline, the lower side of the extraction pipeline is fixedly communicated with a one-way water inlet pipe, and one side, far away from the extraction pipeline, of the one-way water inlet pipe is fixedly communicated with a negative pressure drainage tank; through cooperation of the oppositely-opened shell, the dust filtering cover, the brush, the one-way water guide pipe, the sponge brush and other structures, the effect of integrating the three functions of impurity brushing, water spraying cleaning and water stain wiping is achieved, the filter screen cover is arranged outside the exhaust pipe, the situation that coal powder, rock powder and other light-weight solid impurities flow back into a pipeline along with gas flow again is avoided, and the service life of the pipeline is prolonged. When the floating ball floats upwards, the circular groove rod also moves upwards, the cambered surface extrusion block is extruded through the spiral groove to drive the oppositely-opened shell on the rotating disc to continuously rotate, and the pair of brushes located on the oppositely-opened shell abut against the inner side and the outer side of the dust filtering cover to continuously brush the inner side and the outer side of the dust filtering cover, so that the net surface is cleaned in real time.

The utility model discloses a blasthole cleaning device which comprises a base, a cleaning pump and an energy-saving device. The cleaning pump is fixedly connected to the top of the base, the dust collector is arranged on the front side of the cleaning pump, the blowing device is arranged on the rear side of the cleaning pump, the dust collection pipe is fixedly connected to the top of the dust collector, the adapter is fixedly connected to the top of the dust collection pipe, and the collecting tank is fixedly connected to the left side of the dust collector. The top of the air blowing device is fixedly connected with an air blowing pipe, the other end of the air blowing pipe is fixedly connected with a spray head, and the energy-saving device is fixedly connected to the left side of the cleaning pump and is composed of a power source, a supporting column and a solar panel. Hole blockage is effectively prevented, an automatic and mechanical cleaning mode is adopted, the cleaning efficiency is improved, it is ensured that no disintegrating slag and rock powder are left in the blast hole, dust flying is reduced, and pollution to the construction environment is reduced.

The invention relates to a coal rock identification experiment system and method.The coal rock identification experiment system comprises a working condition simulation box, a draught fan, a separating and drying module and a material bin, and the draught fan is used for supplying air into the working condition simulation box; the working condition simulation box is used for feeding pulverized coal, rock powder and water mist to form a mixed sample of dust and water mist so as to simulate the real working condition of the working face of the coal mining machine; the separating and drying module is used for carrying out gas-solid separation on the mixed sample in the working condition simulation box and carrying out drying treatment on separated dust particles; the system further comprises a detection pipe connected with the material bin, a pump unit and an LIBS detection device, the pump unit is used for mixing the dust particles in the material bin with the airflow to form gas-solid two-phase flow, and the LIBS detection device is used for detecting the dust particles in the gas-solid two-phase flow. The system not only can simulate a complex coal face environment, but also can provide stable dynamic dust flow for LIBS online detection, and provides a reliable experimental verification platform for practical application of an LIBS technology in the field of coal rock recognition and development of a field system.

This invention discloses an air-assisted reverse circulation drilling cuttings guiding device for permafrost, relating to the field of drilling equipment technology. It includes a double-walled drill rod and an inner drill rod. An outer drill bit is installed at the end of the double-walled drill rod, with a cuttings guiding channel formed by the gap between the two. The inner drill rod is rotatably positioned within the cuttings guiding channel, with helical blades on the outside and an inner drill bit at the end. An outer annular gap communicating with the cuttings guiding channel is provided inside the double-walled drill rod, and a sampling chamber is located inside the outer drill bit. During operation, the double-walled drill rod drives the outer drill bit to open and enlarge the hole, while the inner drill rod drives the inner drill bit to break the rock mass. The elastic body between the inner drill bit and the inner drill rod provides axial preload to enhance the rock-breaking effect. A mixed liquid is injected into the bottom of the hole through a liquid passage and a liquid storage chamber via a jet hole to prevent rock dust from freezing. High-pressure air enters the cuttings guiding channel through the outer annular gap, and combined with the helical blades, it achieves dual-drive upward return of rock cuttings, avoiding deposition and drill bit jamming. Simultaneously, precise sampling is achieved through the sampling chamber.

The utility model discloses a full blasthole ore rock horizon undisturbed positioning sampling device includes: fixed connecting piece, sample receiving groove and dismounts buckle, sample receiving groove is by the side baffle, an end baffle and a side baffle that enclose in the rectangular bottom plate edge in proper order and is composed, sample receiving groove still has one side open edge and upper side open edge, one side baffle is inserted to the rectangular bottom plate through both sides insertion slot, one side insertion slot is opened on the end baffle, the insertion slot of the other side is opened on the stand, and this stand is close to side open edge, and the side baffle is transparent movable pull -out, and sample receiving groove is evenly fixed in the periphery of fixed connecting piece through dismounting buckle, and the side open edge of sample receiving groove is towards fixed connecting piece, and the upper side open edge is located the top of fixed connecting piece, and the end of above-mentioned side baffle or stand towards fixed connecting piece is marked with a scale, and the device can measure the height range of different color rock powder area in the accumulation body, and the depth of blasthole ore rock horizon and ore, rock layer thickness are calculated.

1. The name of the design product: grid plate (for longitudinal section grid division of loose material accumulation body). 2. The use of the design product: the design product is used for longitudinal section grid division of loose material accumulation body, for example, section grid division of loose material accumulation body such as sand and gravel, drilling rock powder residue, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. The right view is the same as the left view, and the right view is omitted; the bottom view is the same as the top view, and the bottom view is omitted.

The utility model discloses 360 degree rotatable reverse circulation swing frame mechanism, including installing on the base of gas lift reverse circulation drilling machine and being used for the mounting base of rock flour sampling collection filter device to provide the mounting seat, and the base is equipped with the eccentric component, the pitch component, the compensation propulsion component and the rotating component between the mounting seat, the eccentric component is located between the base and the pitch component, is used for driving the mounting seat swing, the pitch component is located between the eccentric component and the compensation propulsion component, is used for driving the mounting seat pitch. The utility model has the adjusting function of wide range multi -angle, can ensure that rock flour sampling collection filter device and ground always keep proper vertical, improve the collection efficiency and safety, make it satisfy the sampling collection work of rock flour under various different terrain working conditions, and the whole structure is simple, safe and reliable.

The invention relates to a high-temperature and high-pressure multifunctional rock expansion evaluation instrument, and belongs to the technical field of hydrocarbon reservoir protection experiment equipment. The instrument is composed of a kettle body, four core holders distributed at 90 degrees, a confining pressure pump, an intelligent control box, a heating system and the like. The core of the device is that an underground high-temperature and high-pressure environment is simulated through the rock core holder, and multidirectional and real-time monitoring of the expansion strain of the rock core in the transverse direction and the circumferential direction is realized by utilizing an electrode measuring point and an external displacement measuring instrument which are integrated on a rubber sleeve. The system is provided with four clamping devices to support parallel experiments, experiment parameter presetting, flow automatic control and data real-time processing can be achieved through the intelligent control box, and the rock expansion rate is directly output. According to the invention, the limitation that rock powder can only be tested at normal temperature and normal pressure in the prior art is overcome, the functions of rock core testing and intelligent control are integrated, and an efficient and reliable experimental means is provided for accurately evaluating the inhibitive ability of a working solution and evaluating the stability of a well wall.

The invention belongs to the technical field of geological drilling, and particularly relates to a sharp-tooth stepped three-wing gauge protection compact comprehensive drill bit. According to the drill bit provided by the invention, the plurality of cutting teeth which are connected to the crown parts of the wing blocks at the top end of the matrix and are linearly arranged form a step shape with a high middle part and two low ends, so that more free surfaces can be formed on a rock stratum during drilling, the stratum damage efficiency is improved, and the effect of improving the drilling speed is achieved; the wing blocks and the matrix naturally form a water gap, the water gap is large in water cross section and irregular in shape, disturbance of water flow at the bottom end can be increased, the problem that a water hole is prone to being blocked can be effectively solved especially when a soft plastic stratum is drilled, the unfavorable conditions of drill pasting, poor cooling of a diamond compact and the like are reduced, and then the rock powder discharging capacity and the drill bit cooling capacity are improved. In addition, the inner connecting threads are arranged on the inner side of the bottom end of the tire body, can be in threaded connection with the outer threads of the drilling tool drill rod in a matched mode and can be matched with threads of different regulations, and the applicability of the drill bit is improved.

The utility model discloses a vertical shaft frozen soil section tunneling blasting charging structure, and belongs to the technical field of blasting engineering. The utility model comprises an advanced mass crack hole, wherein the advanced mass crack hole is sequentially provided with a first explosive layer, an interval rock powder layer, a second explosive layer and a filling rock powder layer from bottom to top; a water-gel explosive is arranged in the first explosive layer, a primer detonator is arranged in the water-gel explosive, a heavy ammonium nitrate fuel oil explosive is uniformly arranged in the second explosive layer, a plastic shell is arranged on the outer side of the heavy ammonium nitrate fuel oil explosive, and triangular grooves are formed in the two sides of the plastic shell; and a water-resistant detonating cord is arranged in the advanced crack hole. The combination of the anti-freezing water-gel explosive and the heavy ammonium nitrate fuel oil explosive is adopted, and the anti-freezing water-gel explosive and the heavy ammonium nitrate fuel oil explosive are uniformly arranged at intervals through the plastic shell, so that the explosive distribution uniformity and the blasting effect are ensured, the reliability and the safety of blasting are improved, the material consumption is reduced, the influence on the environment is reduced, and the economic benefit is improved.

The present application relates to the field of environmental protection resource utilization, disclose a kind of oil-based rock flour and kitchen biogas residue collaborative resource processing method and processing system.The oil-based rock flour in the present application is obtained by solid-liquid separation, drying, fine crushing, in powder form, then the kitchen waste is obtained by screening, solid-liquid separation, and the obtained oil and solid phase residue are mixed with oil-based rock flour powder in a certain proportion, and finally dried, formed and cut into pieces as solid fuel;Through the processing system in the present application, oil-based rock flour and kitchen biogas residue are treated respectively, realizing the reasonable combination of the two, and solving the problem that oil-based rock flour and kitchen biogas residue are difficult to handle.The present application can achieve the effects of "reduction, harmlessness and resource utilization" for oil-based rock flour and kitchen biogas residue, and has obvious environmental and economic benefits, which not only greatly reduces the environmental risk of oil-based rock flour, but also further improves the value of resource utilization of kitchen biogas residue and oil-based rock, and contributes to the reduction of carbon emissions in China.

The invention relates to the technical field of mining operation, in particular to a movable and detachable underground mine rock powder collecting device which comprises a shell assembly, a delay unit, a flow limiting assembly and a stirring unit. According to the invention, first-stage time delay is carried out through the stirring action of the material stirring plate, second-stage time delay is carried out by controlling the flow by adjusting the flow limiting plate, and the speed of materials reaching the porous sieve plate is delayed in the second-stage time delay process, so that the problem that the representativeness of a collected rock powder sample is influenced by non-uniform distribution caused by the fact that a large number of materials enter the lower shell at the same time is avoided; the screening requirement of the porous sieve plate in unit time is lowered, the problem that the porous sieve plate is blocked is solved, large and small rock powder particles are arranged in sequence in the rotating cylinder in a centrifugal material distribution mode, and it is ensured that the representativeness of rock powder samples in each collecting box meets the requirement.

The invention discloses a mining rock powder filtering device, and relates to the technical field of mineral products, the mining rock powder filtering device comprises a fixed mounting base, the upper end of the fixed mounting base is provided with a filtering box body fixedly mounted on the inner side of a fixed supporting leg, and the upper side of the interior of the filtering box body is provided with two groups of vibration frame plates used for grading screening of rock powder; stirring blades capable of settling and drying rock powder are arranged at the lower end of the filtering box body, and a fixed mounting frame fixedly connected with the filtering box body is arranged on the lower surface of the vibrating frame plate. The problems that an existing rock powder filtering device adopts double-cylinder filtering, although the problem that the rock powder amount is large, the filtering time is saved, and manual impurity removing operation is not needed are solved, some rock powder can be left in broken stone in the actual using process, a small amount of rock powder can flow out only through an independent filtering mode, and meanwhile after screening and filtering are completed, the filtering time is shortened, and the filtering efficiency is greatly improved are solved. And impurities such as broken stones cannot be effectively collected.

This invention discloses an intelligent hoisting gantry crane device for vertical shaft construction, relating to the field of hoisting gantry crane technology. It includes a gantry crane body, with a support frame fixedly connected to the top of the body. Several electrically controlled winches are fixedly connected to the top of the support frame, and steel wire ropes are wound around the outer walls of each winch. This invention utilizes a second motor installed at the top of a start-up limit frame, which drives a scraping belt to rotate via a linkage rod. Under the action of a spring rod, the scraping belt flexibly adheres to the surface of the steel wire rope. As the scraping belt continues to move, the thin oil film adhering to the surface of the steel wire rope is scraped off. This further solves the problem of traditional intelligent hoisting gantry crane devices for vertical shaft construction, where the presence of a large amount of gravel and rock powder in the shaft causes these particles to adhere to the surface of the steel wire rope coated with a thin oil film. This not only increases wear during wire rope winding but also easily forms sludge on the surface of the steel wire rope, significantly accelerating corrosion and damage.

The application provides a high-turbidity mine wastewater high-efficiency coagulation and sedimentation integrated device, relates to the technical field of water pollution control and treatment, and a preset path for wastewater flow is formed in the flocculation tank. A plurality of flocculation grids are sequentially arranged in the preset path. The flocculation grid comprises a fixed grid plate and a movable grid plate. The flocculation grid is provided with a driving member. The wastewater flows along the preset path and sequentially passes through the plurality of flocculation grids. The impurities in the wastewater and the reagent produce flocculation. Meanwhile, the driving member makes the movable grid plate swing back and forth within a preset angle range every time the movable grid plate is static for a period of time. The size of the mesh alternately increases and decreases, the stable state of the mesh is destroyed, the mesh area is prevented from being attached and accumulated by the coal powder, rock powder particles and the flocculation body that is not timely settled in the wastewater to a certain extent, the probability of the mesh being blocked is reduced, the stable three-dimensional micro-vortex flow field is formed in the corresponding area, the preset velocity gradient distribution is maintained, the particle collision and reagent mass transfer efficiency and the flocculation effect are ensured.

This utility model discloses a special device for rock and mineral sampling and composition identification in geological research, including an impact drill and a rock and mineral drilling, grinding, sampling, screening, and collection mechanism connected to its chuck. The rock and mineral drilling, grinding, sampling, screening, and collection mechanism includes: a drill bit shank, clamped inside the impact drill's chuck; and a rotating sleeve, fixedly installed with the drill bit shank, having an opening on its left side and a tapered structure with a smaller left side and a larger right side on its inner side. This utility model, through a series of structural features, facilitates direct grinding to generate pulverized material during drilling and sampling, and allows for direct discharge of the pulverized material during drilling and sampling. The pulverized material is then collected through integrated vibration screening using the impact drill's vibration force. Personnel can directly observe the transparent sample collection box to visually determine whether a powder sample has been successfully collected, without needing to remove it for observation, thus improving ease of use. The integrated vibration screening method using the impact drill's vibration force enhances the screening effect.

The application discloses a steeply inclined rock stratum horizontal light blasting precise drilling device, relates to the technical field of drilling devices, and comprises a moving assembly and a drill rod body, an inside of the drill rod body is provided with a cleaning assembly, and the cleaning assembly comprises a negative pressure pipe; in the process that the drill rod body drills, firstly, a magnetic position sensor is arranged outside a hole, a plurality of shunt pipes are rotated along with the rotation of the drill rod body, an ultrasonic vibration device is started, the ultrasonic vibration device is used for crushing rock powder in the hole, then the drill rod body enters the inside of a rock stratum and the crushed rock powder is secondarily crushed, a negative pressure pump is started, the rock powder is outputted outward through a drainage pipe, and therefore, the purpose of drilling and cleaning a hole simultaneously is achieved, and the problem that rock powder is difficult to clean completely in the process that the steeply inclined rock stratum horizontal light blasting precise drilling device drills a rock stratum in the prior art is solved, and the workload of subsequent support is increased.

This application relates to the technical field of borehole sand removal equipment, specifically a gas-liquid mixing and disturbance sand removal device. In use, liquid and gas enter the casing separately, driven by a vortex generation unit to generate high-speed rotating flow. During this rotation, the gas and liquid undergo initial shear mixing. The mixed fluid enters the interior of a spiral tube. As it travels at high speed along the spiral tube, the micropores on the tube wall create a throttling shear effect, causing the gas-liquid mixture to be ejected as a microjet, generating a large number of uniform microbubbles and forming a highly disturbed gas-liquid two-phase mixture. The mixture enters the pressurization unit, where it converges in the contraction section, accelerates in the throat, and is pressurized in the diffusion section, transforming into a high-speed jet rich in microbubbles, which is ejected from the mixing outlet. The microbubbles expand and burst within the directional borehole, generating strong local turbulence, effectively lifting rock dust deposited in low-angle borehole sections, eliminating dead water zones in the spiral borehole and rock debris accumulation in the dogleg sections, thereby improving the sand removal efficiency for complex directional boreholes.

The utility model relates to the technical field of rock and soil cultural relic protection and repair, and discloses a rock powder flow guiding device for rock cultural relic drilling. The rock powder flow guiding device comprises a lossless contact layer, the outer wall of the left side of the lossless contact layer is provided with a contact face, and the outer wall of the right side of the lossless contact layer is provided with a flexible sealing ring; the left end of the flow guide sleeve is fixedly connected with the end, away from the lossless contact layer, of the flexible sealing ring through a first flange, and a through pipe is installed on the outer wall of the flow guide sleeve in a communicating mode; the top end of the flexible flow guide pipe is fixedly connected with the bottom end of the through pipe through a flange II; and the rigid fixing ring is fixedly connected with the right end of the flow guide sleeve through a third flange. By means of the lossless contact layer and the contact surface, rock powder liquid is prevented from overflowing, and meanwhile mechanical damage to the surface of the cultural relic is avoided; the arranged flexible sealing ring can support multi-angle adjustment of the drill bit, and the requirement for complex drilling is met.

The present application relates to organic acid collection device technical field, especially relates to a kind of organic acid collection device for granite rock powder curing, including incubator, elution tank being arranged below incubator, collection tank;The elution tube is communicated with elution tank by first pump body, second pump body is equipped on the liquid return pipe;Second valve is equipped on the liquid outlet pipe, and the second valve is located between resin column;It further includes automatic elution component, the automatic elution component is used for liquid in resin column to rise to predetermined position, open second valve and make liquid backflow to incubator.The device of the present application can make nutrient solution stay in resin column for sufficient time when collecting organic acid, automatically discharge liquid after ensuring the adsorption effect of resin on organic acid, and can automatically access eluent for elution when resin column adsorbs enough organic acid.The collection and elution of organic acid do not need manual real-time observation and manual switching.

The invention discloses a preparation method of a strip mine blasting quick-setting hole sealing material, and relates to the technical field of mine engineering.The preparation method comprises the steps that dust collection operation is synchronously conducted in the strip mine blasting drilling process, generated rock powder is collected, and rock powder to be treated is obtained; performing mechanochemical grinding on the rock powder to be treated, and performing soaking treatment in combination with a low-alkali activator to obtain activated rock powder; the method comprises the following steps: respectively crushing steel slag and fly ash, screening until the particle size is not greater than 0.3 mm, and mixing to form a composite solid waste admixture; fully mixing the activated rock powder and a composite solid waste admixture according to a mass ratio of 70: 30 to 85: 15 under a dry condition to prepare quick-setting hole-sealing dry powder; injecting the quick-setting hole-sealing dry powder into the blast hole which is filled with the powder in a pneumatic conveying manner to form a uniformly distributed dry powder filling layer; spraying atomized water to the dry powder filling layer to trigger in-situ hydration and excitation reaction, so that the material forms a dense hole sealing body with final setting time not exceeding 30 minutes in the blast hole.