32 results about "Agglomerate" patented technology

The invention discloses a drying system suitable for agglomerates, which belongs to the technical field of metallurgical mineral treatment and comprises a feeding mechanism, a drying mechanism and a storage mechanism. The feeding mechanism comprises a feeding conveying component arranged below the discharging opening. The drying mechanism comprises a drying feeding component, a drying discharging component and a drying component. The drying feeding component is connected with the feeding conveying component, and the other end of the drying feeding component is located at a feeding port of the drying component. The drying component comprises a drying channel, and the drying channel communicates with the hot air pipeline. The drying and discharging component is arranged below the discharging opening. And one end of a finished product conveying component in the storage mechanism communicates with the drying and discharging component so as to receive the dried block mass and the dried mineral powder. And the other end of the finished product conveying component in the storage mechanism is communicated with the finished product storage bin. According to the drying system suitable for the block mass, efficient drying of the block mass can be achieved, moisture on the block mass can be fully removed, then powder attached to the block mass is reduced, and then the in-furnace powder rate is greatly reduced.

The invention discloses steel slag sand fine grain tailing composite filling mortar and a preparation and use method thereof, and belongs to the technical field of tailing cemented filling materials. Raw materials of the mortar comprise fine grain tailings, steel slag sand, a magnetic volcanic ash binding material, a gel breaker and an ultrafine particle capturing agent, the magnetic volcanic ash binding material comprises magnetic powder particles, the residual magnetic induction intensity of the magnetic powder particles is 0.15-2.5 mT, and the mass of the magnetic powder particles accounts for 5-10% of the total mass of the magnetic volcanic ash binding material. By adopting the magnetic volcanic ash cementing material, other particles can be driven to approach to steel slag sand together to form an aggregate by utilizing the magnetic aggregation and magnetic effects of the magnetic volcanic ash cementing material and fine weakly magnetic particles in the tailings, so that the situation that the strength distribution of a consolidation body is not uniform due to different gravity settling velocities of fine sand and the fine tailings is avoided; therefore, the strength of the filling body can be remarkably improved, and meanwhile the using amount and filling cost of the cementing material are reduced.

A method for preparing nicotine-containing agglomerates includes introducing a solid particulate into a fluid bed granulator, and introducing a binder solution into the fluid bed granulator such that the binder solution contacts the solid particulate. The solid particulate and / or binder solution may be introduced into the fluid bed granulator in parts, concurrently or in series. The binder solution includes a binder material and a solvent, which may include water. Introducing the binder solution into the fluid bed granulator may include spraying the binder solution into a fluid bed of the fluid bed granulator during circulation of the fluid bed and materials therein, such as the solid particulate. The fluid bed may further include a filler material and / or an additive. The filler material and / or the additive may be introduced into the fluid bed granulator prior to, concurrently with, or subsequent to the addition of the solid particulate and / or binder solution.

The application provides a carbon dioxide powder storage unblocking and flow assisting system and a use method, and is characterized by comprising a air supply device, a pressure reducing cone, a powder storage and a triangular cone, wherein the pressure reducing cone is arranged at the center of the bottom of the inner side of the powder storage, a storage bottom slope is arranged around the pressure reducing cone, a blasting device embedded pipeline is arranged on the storage bottom slope, the blasting device embedded pipeline is connected with a blasting device, and the bottom of the blasting device is connected with a lifting device; when the powder enters the storage, the air supply device can be opened to blow the powder into the storage through a strong airflow, direct contact between the powder and the storage bottom is reduced, and the storage bottom agglomerates are reduced; the blasting device is arranged on the storage bottom, the lifting platform is arranged at the bottom of the blasting device, when part of the agglomerates in the powder storage needs to be cleaned, the blasting device is lifted to a specified position through the lifting platform, and the blasting device is opened to perform blasting, so that personnel do not need to enter the powder storage, time and labor are saved.

The invention belongs to the technical field of drying machinery, and particularly relates to drying and grinding equipment for limestone mineral powder. The problem that when caked mineral powder is dried, due to the fact that outer-layer mineral powder is firstly heated and rapidly dried and caked, a heat insulation layer can be formed, heat is prevented from being transmitted inwards, and the internal mineral powder cannot be fully dried is solved. Comprising a bearing frame, the bearing frame is rotationally connected with a drying cylinder, the bearing frame is provided with a power module used for driving the drying cylinder to rotate, the drying cylinder is rotationally connected with a circular truncated cone cylinder through a mounting frame, the bearing frame is rotationally connected with a connecting cylinder, and the connecting cylinder is fixedly connected with a first fixing shell; and the first fixed shell is fixedly connected with the circular truncated cone cylinder. According to the mineral powder drying device, the circular truncated cone cylinder is matched with the drying cylinder, mineral powder blocks of different sizes are intercepted and dried when mineral powder materials are dried, and after interception, the circular truncated cone cylinder and the drying cylinder rotate reversely to jointly grind the mineral powder blocks, so that the drying effect of the mineral powder materials is guaranteed.

This invention relates to the field of grouting construction technology for tunnels and underground engineering, and discloses a grouting device and method for fractured strata in tunnels. The grouting device includes a conveying pipe with a protrusion integrally formed at the end. A protective mechanism is fixedly connected to the outer wall of the protrusion, and a cleaning mechanism is fixedly connected to the end face of the protrusion. The protective mechanism includes a positioning ring. This invention uses an electromagnetic excitation coil set inside a hollow protective sleeve to convert the electromagnetic energy of the alternating magnetic field into mechanical vibration energy, driving the hollow protective sleeve and scraper ring to vibrate at high frequency. The high-frequency vibration causes fatigue cracks to form in the solidified material at the microscopic level, and the high-frequency micro-movement of the scraper ring causes fatigue fracture of the agglomerates, which then detach from the pipe opening under physical peeling. Thus, without relying on manual intervention, the solidified material at the pipe opening is automatically removed, and the core components are protected from media corrosion, achieving automatic peeling of the solidified material at the pipe opening.

Microbial-assisted heap leaching of fragments or agglomerates of fragments of copper-containing sulfidic ores, such as chalcopyrite ores, and copper-containing sulfidic waste materials is disclosed. A heap leaching method includes controlling the sulfate concentration in a leach liquor. When heap leaching includes using agglomerates, a method of forming agglomerates includes adding the feed materials at, or close to, the inlet end, typically no more than 40%, typically no more than 30%, more typically no more than 20%, of the length from the inlet end of the agglomeration unit.

The present application discloses a method and device for dynamically monitoring the size of particle agglomerates in a disturbed flow field, and relates to the field of data processing technology. The dimensionless particle diameter is obtained based on the flow field characteristic parameters, the flow field shear rate, and the particle diameter; the cohesion number is obtained based on the flow field characteristic parameters, the particle diameter, and the particle's Hamaker constant; a log-normal probability density function relationship model between the number of particle agglomerates in the equilibrium stage and the dimensionless particle diameter is constructed to obtain the number of particle agglomerates in the equilibrium stage; based on the dimensionless particle diameter and the number of particle agglomerates in the equilibrium stage, the dimensionless agglomerate size in the equilibrium stage is obtained to characterize the relative size of the particle agglomerates; based on the dimensionless agglomerate size in the equilibrium stage, the actual size of the agglomerates in the equilibrium stage is obtained through conversion operations; and a feedback control mechanism is implemented based on the monitoring results. This method solves the problem of how to achieve real-time monitoring of the size distribution of particle agglomerates in a disturbed flow field and improve the accuracy of the monitoring results.

This utility model relates to the field of mica powder anti-agglomeration technology and discloses a high-efficiency mica powder anti-agglomeration pulverizing device, including a shell and a water circulation mechanism disposed on the surface of the shell. The surface of the water circulation mechanism is provided with a drying mechanism, the surface of the drying mechanism has an output shaft rotating on it, and a motor is fixed on the surface of the output shaft. This utility model can filter, dry, and heat the air, and then spray the hot dry air onto the agglomerated mica blocks by a jetting mechanism. The dry air can remove the moist air from the mica, and the temperature of the heated gas is lower than the thermal agglomeration temperature of the mica. Without causing the mica to re-agglomerate, it further accelerates the removal of moisture. Under the action of the air pump and the jetting mechanism, the gas is repeatedly compressed and impacted on the surface of the agglomerates, thereby achieving the purpose of pulverizing the mica blocks and improving work efficiency.

The application relates to the technical field of tunnel and underground engineering grouting construction, and discloses a tunnel broken zone stratum grouting device and method, wherein the grouting device comprises a conveying pipeline, the end of the conveying pipeline is integrally formed with a protruding part, a protection mechanism is fixedly connected to the outer wall of the protruding part, a cleaning mechanism is fixedly connected to the end surface of the protruding part, the protection mechanism comprises a positioning ring, an electromagnetic exciting coil is arranged in the hollow protection sleeve, electromagnetic energy of an alternating magnetic field is converted into mechanical vibration energy, the hollow protection sleeve and the scraping knife ring are driven to vibrate at a high frequency, the high-frequency vibration causes fatigue cracks of the solidified matters at a micro level, the high-frequency micro motion of the scraping knife ring causes fatigue fracture of the agglomerates, and the agglomerates fall off from the pipe opening under the physical peeling action, so that the solidified matters at the pipe opening are automatically removed without manual intervention, the core components are protected from medium erosion, and automatic peeling of the solidified matters at the pipe opening is realized.

The invention discloses a method for detecting high-temperature mineralization characteristics of sintered iron ore core particles, and belongs to the technical field of iron ore sintering. The method comprises the following steps: digesting CaO, mixing the digested CaO with Fe2O3 to form a calcium-iron mixture sample, processing natural iron ore particles into a straight cylinder to obtain an iron ore core particle sample, and measuring the cross section area S1 of the iron ore core particle sample; vertically placing the iron ore core particle sample right below the interior of the calcium-iron mixture sample, and performing compression molding to obtain a block mass sample; the block mass sample is sintered, the obtained sintered block mass is polished with abrasive paper until residual iron ore core particles are exposed, and the cross section S2 of the sintered block mass is measured; calculating the liquid phase conversion fraction (LPTF) of the core particles according to the S1 and the S2 so as to measure the high-temperature mineralization performance of the iron ore core particles; according to the method, the quality and performance of the iron ore are evaluated by detecting the dissolution degree of the iron ore core particles in the liquid phase in the sintering mineralization process, the dissolution characteristic of the iron ore core particles can be quantified, and the dissolution assimilation degree of the iron ore core particles in the sintering liquid phase can be reflected more directly and accurately.

The present invention relates to a method of producing an agglomerated particulate carbon material wherein the method comprises providing a particulate carbon starting material comprising or consisting of hydro-thermally treated lignin particles, the particulate carbon starting material having a particle size of < = 500 m; compacting the particulate carbon starting material by applying a compacting force, thereby forming a compacted particulate carbon material; crushing the compacted particulate carbon material thus obtained, thereby forming a crushed compacted carbon material; applying the crushed compacted carbon material to at least one granulator, thereby further reducing the size of the crushed compacted carbon material and forming a particle size gt; a mixture of agglomerated particulate carbon material having a particle size of < = 500 m and < = 5000 m and a particulate carbon material having a particle size of < = 500 m; and from the particle size at gt; removing a particle size < = 500 m and gt from agglomerated particulate carbon material in the range of 500 m and < = 5000 m; and a particulate carbon material of 5000 m, if present. The invention further relates to an agglomerated particulate carbon material obtainable according to said process, to the use thereof in a polymeric material, and to a polymeric material comprising a particulate carbon material formed from said agglomerated particulate carbon material.

The utility model discloses a caking material conveying pretreatment structure which comprises a pretreatment box, the upper end of the right side of the pretreatment box is fixedly connected with a dry feeding port, the upper end of the left side of the pretreatment box is fixedly connected with a wet material feeding device, and the lower end of the middle of the wet material feeding device is fixedly connected with a heating plate. A grinding motor is fixedly connected to the middle of the upper end of the pretreatment box, a grinding rod in the pretreatment box is arranged below the grinding motor, an output shaft of the grinding motor downwards penetrates into the rod-shaped interior of the grinding rod to be matched with the grinding rod, and a discharging port is fixedly connected to the lower portion of the left end of the pretreatment box. A dustproof device is fixedly connected below the right end of the pretreatment box, and supporting legs are fixedly connected to the left side and the right side of the lower end of the pretreatment box. Through the arrangement of the dry feeding port, the spiral shaft, the heating plate and the wet feeding port, classification treatment of material caking caused by two different reasons of moisture absorption and pressure is achieved, the applicability of equipment is improved, and meanwhile better conveying of materials is facilitated.

The present invention discloses a multi-mode compound motion robot for cleaning lumps in ash pipes under ash bins, comprising a head spiral mechanism, an intermediate peristaltic mechanism, a tail spiral mechanism, and a cleaning mechanism. The head spiral mechanism and the tail spiral mechanism each comprise a housing, a large bevel gear, a small bevel gear, a variable diameter motor, a support wheel trapezoidal screw, a drive wheel trapezoidal screw, a bracket, a belt, a light bar, a support wheel, a drive wheel, a support wheel connector, and a drive wheel connector. The intermediate peristaltic mechanism comprises an intermediate housing, a reduction motor, a gear, an upper rack, a lower rack, and a guide rail mechanism. The cleaning mechanism is located at the front end of the head spiral mechanism and comprises a sensor module for identifying lumps in the lower ash pipe and a cleaning device with air jet and rotary cleaning. The present invention is applicable to cleaning pipes made of various materials, can realize support wheel support and drive wheel support modes, and can realize spiral travel, peristaltic travel, and spiral peristaltic travel modes, which can effectively improve cleaning efficiency and quality.

The application belongs to the technical field of stirring tanks, in particular to a fluid substance anti-adhesion stirring tank and a manufacturing method thereof. The stirring tank comprises a tank body, a top cover is installed on the top of the tank body, a stirring shaft is rotatably arranged in the middle part of the top cover, the bottom of the stirring shaft extends to a support seat on the inner wall of the tank body, a stirrer is arranged on the outer surface of the stirring shaft, and baffles are uniformly arranged around the stirring shaft in the middle region of the inner wall of the tank body. The vertical baffles arranged on the inner wall of the tank body can intercept the part with relatively large density in the fluid substance, including the possible particles and agglomerates, when the part is close to the inner wall of the tank body, so as to destroy the state of the part gathering and continuously rotating in the outer ring region close to the inner wall of the tank body, and make the part participate in the violent stirring under the action of the stirrer in the middle region under the guidance of the inclined surfaces on both sides of the baffle, so as to accelerate the decomposition of the part and make the part dissolve into the whole fluid substance, thereby reducing the wear rate of the inner wall of the tank body.

The invention discloses a porous aggregate Ni-Mn5O8-coated Na2Mn8O16 composite material and a preparation method thereof, and belongs to the field of inorganic materials. The preparation method comprises the following steps: dissolving nickel nitrate hexahydrate, a manganous nitrate solution, urea and sodium bicarbonate in purified water, and carrying out constant-temperature reaction in a hydrothermal reaction kettle; and filtering after the reaction is finished, drying the product in a drying oven, calcining in a muffle furnace, and cooling to obtain the Ni-Mn5O8-coated Na2Mn8O16 composite material. According to the method, the electrochemical performance of the composite material is improved by optimizing the ratio of raw materials, a porous aggregate is observed microcosmically, the structure is beneficial to full permeation of an electrolyte and rapid transmission of ions, nucleation energy barriers of Zn < 2 + > on an electrode / electrolyte interface are reduced, the reversible deposition-dissolution behavior of zinc ions is promoted, and the electrochemical performance of the composite material is improved. And the rate capability of the water-based zinc ion battery is further improved.

A system (100) for heat treatment of particulate materials is disclosed. The system (100) includes: a first reaction section (12) for receiving particulate material at a top (12.1) such that the particulate material flows through the first reaction section (12) under gravity; a first heating system (14) arranged adjacent to and along the length of the first reaction section (12) to heat the particulate material flowing through the first reaction section (12) from outside the first reaction section (12), thereby activating the particulate material; and a compactor (16) for receiving and compacting the thermally activated particulate material from the first reaction section (12) to form agglomerates. A method for heat treatment of particulate materials is also disclosed.

The application discloses a kind of multi-physical field preparation methods of simulating agglomerated rock in lunar soil, comprising the following steps: selecting raw materials similar to the chemical composition and mineral composition of real lunar soil;After the raw materials are pressed into shape, they are placed in a spark plasma sintering furnace for high-temperature sintering, and agglomerated rock is obtained after rapid cooling;The process of high-temperature sintering is carried out in a protective atmosphere.The preparation method of the application is simple, efficient and can be produced on a large scale.The preparation process reproduces the geological processes experienced during the evolution of the moon to some extent.The agglomerated rock prepared by the application has similar chemical composition and nano-microstructure to the agglomerated rock in real lunar soil, and has good consistency.

The present disclosure relates to the technical field of high-temperature-resistant material processing, and an embodiment of the present disclosure provides a high-temperature-resistant castable quantitative packaging device, which comprises a processing table, a processing plate arranged on the processing table, a grinding and crushing assembly arranged on the processing plate, and a discharging and packaging assembly arranged at the bottom of the processing plate. The grinding and crushing assembly comprises a feeding pipe, and the interval between the feeding spiral blade and the crushing spiral blade is staggered. Through the above technical solution, the technical problem that the existing equipment cannot pretreat the material, the agglomerates and large particles that may exist in the castable are not crushed, and the performance of the castable is affected when the castable is used is solved. In addition, in the quantitative control aspect, such equipment either lacks a quantitative mechanism and completely relies on manual operation to close and stop the material falling valve, resulting in inaccurate quantification, or adopts simple volumetric quantification to control the amount of material through a fixed-size hopper. However, due to the differences in particle size and bulk density of the castable, the actual bagging weight fluctuates significantly.

Microbial-assisted heap leaching of fragments or agglomerates of fragments of copper-containing sulfidic ores, such as chalcopyrite ores, and copper-containing sulfidic waste materials is disclosed. A heap leaching method includes controlling the sulfate concentration in a leach liquor. When heap leaching includes using agglomerates. a method of forming agglomerates includes adding the feed materials at, or close to, the inlet end, typically no more than 40%, typically no more than 30%, more typically no more than 20%, of the length from the inlet end of the agglomeration unit.

The utility model discloses a kind of material scattering equipment, it includes shell, scattering mechanism, two rows of bearing pedestal and driving mechanism, the shell has a cavity;The scattering mechanism includes main shaft and multiple scattering paddles, the main shaft horizontal rotation is arranged in the cavity, each The scattering paddle is spaced apart along the length direction of the main shaft, and all are connected with the main shaft;Two rows of the bearing pedestal are oppositely arranged on the two sides of the main shaft, to support material, in each The bearing pedestal, adjacent the bearing pedestal forms blanking interval between each other.This material scattering equipment can ensure that smaller agglomerates can be scattered again when scattering material, avoid the problem that many smaller agglomerates still exist in material after scattering, thereby avoid the problem of secondary or multiple scattering of material, improve the scattering effect and scattering efficiency of material.

The invention relates to a process for the smelting of a manganese-containing feedstock material utilising oxidative pre-melting, the process comprising the steps of: feeding agglomerates comprising a manganese-containing feedstock material to a reactor 12 and forming a packed bed 14 of the agglomerates in the reactor 12; feeding a hot oxidizing gas into the reactor 12 and passing the hot oxidizing gas through the packed bed 14 of agglomerates to form an oxidized fluid material comprising a liquid phase; channeling the fluid material to flow from the reactor 12 into an electrothermal furnace 26; adding a reductant to the fluid material in the electrothermal furnace 26 to form a manganese metal product, a slag product and a CO-containing gas; and combusting the CO-containing gas to form the hot oxidizing gas and feeding the hot oxidising gas back to the reactor.

The quartz sand proppant acid pickling and impurity removing equipment comprises a bottom plate, a support plate is fixed to the side face of the top end of the bottom plate, a treatment barrel is rotationally connected into the support plate, the whole treatment barrel is a cylinder with one open end, a cover plate is hinged to the open end of the treatment barrel, and a material distributing assembly is arranged in the treatment barrel; a material crushing assembly is arranged in the material distributing assembly; quartz sand materials in the treatment barrel are driven to roll through the arranged material distributing assembly, and the quartz sand materials with different particle sizes are layered through the material distributing assembly, so that accumulation of the quartz sand materials is further reduced, and the quartz sand materials and pickling liquid are fully and uniformly mixed and contacted; and the quartz sand materials are repeatedly crushed through the arranged crushing assembly, blocky agglomerates in the materials are eliminated, the particle fineness of the quartz sand materials is effectively improved, and the overall pickling effect of the quartz sand materials is further improved.

According to the cleaning fluid stirring tank dispersing assembly and the cleaning fluid stirring device, communication of the upper layer and the lower layer of the stirring tank is controlled through the layering module, the dispersing module is arranged below the layering module and used for dispersing materials passing through the dispersing module, and the conveying auger communicates with the upper layer and the lower layer of the stirring tank; and the lower-layer materials are conveyed back to the upper layer. During use, materials are pre-stirred on the upper layer of the stirring tank, after the expected effect is achieved, the layering module is opened, the conveying auger is started, the materials on the upper layer are scattered through the dispersing module, then conveyed to the lower layer and then conveyed back to the upper layer through the conveying auger, the materials can circularly pass through the dispersing module, and agglomerates are continuously scattered. The device can effectively scatter agglomerates, improve the stirring and mixing efficiency of cleaning fluid, reduce the requirement of cleaning fluid production on a high-shear-force stirrer, reduce the production cost, and can be combined with the high-shear-force stirrer to improve the scattering efficiency of the agglomerates and improve the production efficiency.

The invention provides a treatment method of shield waste slurry, and relates to the field of slurry treatment. Screening the shield waste slurry to obtain screened slurry and screened solid particles; mixing the screened slurry with a flocculating agent to obtain a mixture, and carrying out filter pressing on the mixture to obtain filter-pressed mud blocks and muddy water; and mixing the muddy water with a pH regulator to obtain treated slurry. Solid particles with large particle sizes are separated out through screening, fine particles such as sludge and clay which cannot be screened are flocculated into clusters through a flocculating agent, then the clusters are filtered into mud blocks with low water content through filter pressing, the mud blocks are separated from muddy water, and then the pH value of residual water needing to be discharged is adjusted, so that muddy water discharge meets the environment-friendly requirement.

This invention discloses a method for deep deashing and upgrading of coking coal slime, comprising the following steps: 1) treating the coking coal slime with agglomerated oil to obtain a slurry; 2) adjusting the pH value of the slurry obtained in step 1), then adding a flocculant and stirring for selective flocculation to obtain a liquid slurry; 3) subjecting the liquid slurry obtained in step 2) to gravity separation. This invention first treats the coking coal slime with oil agglomeration, wetting the hydrophobic surface of the slime. Through collisions between coal particles, low-density coal particle agglomerates are formed, facilitating subsequent gravity separation and selective separation of ash and coal. Then, by adjusting the pH value of the slurry, the surfaces of coal particles and ash minerals carry different charges. Selective flocculation is then performed by adding a flocculant, causing the ash minerals to form high-density, large-particle-size agglomerates, which improves the deashing selectivity of gravity separation and achieves high recovery rates for clean coal with low ash content.