19 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.

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.

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 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.

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 present invention relates to a process for decarburizing a gas stream containing from 15% to 60% carbon dioxide by passing the gas stream through a zeolite agglomerate comprising at least one binder and at least one zeolite and having a mesopore volume of from 0.02 cm3 / g 3 .g ‑1 to 0.15 cm3 / g 3 .g ‑1 and a mesopore volume fraction of from 0.1 to 0.5, preferably from 0.15 to 0.45.