3789 results about "Mixed materials" patented technology

A material handling system sorts mixed materials utilizing a combination of x-ray fluorescence and / or a vision system that implements an artificial intelligence system in order to identify or classify each of the materials, which are then sorted into separate groups based on such an identification or classification. The system is capable of sorting between materials typically found within Zorba, Zebra, and Twitch.

The invention relates to the technical field of screening, and discloses an iron ore powder and antifreezing agent mixed screening device which comprises a rack, and the surface where the top of the rack is located is inclined; a first bearing seat is mounted on the rack, a roller with a rubber wheel surface is rotationally connected to the first bearing seat, a universal coupling is connected to the shaft end of the roller, a shaft rod is connected to the other end of the universal coupling, a speed reducer arranged on a second supporting seat is connected to the free end of the shaft rod, and the second supporting seat is connected with the rack; the speed reducer is driven by a first motor arranged on the rack, and the first motor and the speed reducer transmit power through belt transmission; a drum screen assembly used for improving the mixing uniformity of the iron ore powder and the anti-freezing agent is connected to the rolling wheel in a rolling mode, and mixed materials are discharged from screen holes of the drum screen assembly. Mixing, screening, conveying and cleaning are integrated, mixing uniformity is high, screening efficiency is excellent, operation and maintenance are convenient and fast, and the requirement for mixing and screening of iron ore powder and an anti-freezing agent is met.

The invention discloses ceramic fluorinated silicone rubber and a preparation method thereof. The ceramizable fluorosilicone rubber comprises the following raw materials in parts by weight: 100 parts of fluorosilicone raw rubber, 10-30 parts of fumed silica, 4-8 parts of a structure control agent, 10-20 parts of an organic-inorganic compound fire-resistant filler, 4-10 parts of reinforced fibers, 20-30 parts of a carbon-based ceramic additive and 1-2 parts of a vulcanizing agent. The preparation method comprises the following steps: S1, adding the fluorosilicone raw rubber into a kneading machine, and then adding the fumed silica and the structure control agent to start mixing; s2, adding an organic-inorganic compound refractory filler, reinforced fibers and a carbon-based ceramic additive into the mixed material obtained after mixing in the step S1, and continuously mixing; s3, carrying out vacuum treatment on the material mixed in the S2, cooling the material to room temperature, adding a vulcanizing agent into a double-roller open mill, and uniformly mixing; and S4, performing tabletting vulcanization on the material mixed in the step S3 on a plate vulcanizing machine, and then performing secondary vulcanization in a drying oven to obtain the ceramization fluorinated silicone rubber.

The invention relates to the technical field of waste management, in particular to a building solid waste intelligent disposal and reutilization system and method based on the Internet of Things, and the system comprises a solid waste classification optimization module, a solid waste disposal adaptation module, a recycling path planning module, an environmental impact evaluation module and a scheduling optimization module. According to the method, the sorting priority is dynamically adjusted by recognizing the particle size, density and energy consumption change of the solid waste, the recognition precision and separation efficiency of the mixed materials are improved, the path is compared and adjusted in combination with the equipment capacity, the solid waste attributes are matched, resource loss and mistaken sorting are avoided, the trend and concentration degree are extracted in the recycling link, and the path matching degree is improved; according to the method, the proportion of unavailable components is reduced, environmental load and energy consumption change are fused in the processing process, a high-emission section is adjusted, environmental impact is relieved, jump frequency is analyzed in combination with task switching, the adaptability and scheduling continuity of the system to change interference are enhanced, and resource utilization continuity, response sensitivity and environmental adaptation level are integrally improved.

The invention discloses a high-efficiency multiphase flow classification and separation integrated treatment method for argillaceous sandstone uranium ore. The crushed argillaceous sandstone uranium ore mixed material is sequentially subjected to hydraulic polishing and cluster breaking treatment, high-frequency linear vibration grading treatment, first-stage multiphase flow rotational flow grading treatment, deep low-frequency efficient ultrasonic scrubbing treatment, second-stage multiphase flow rotational flow grading treatment, jet flow uniform mixing treatment, micro-current activating treatment, hardening and tempering thickening and efficient squeezing solid-liquid separation treatment. According to the invention, mud and sand deep stripping and material fine grading separation of the crushed argillaceous sandstone uranium ore are realized, meanwhile, the fine-particle argillaceous material is subjected to efficient uniform mixing activation and deep efficient dehydration, and four core materials, namely a coarse sand material, a fine sand material, tailing dry slag and a high-concentration uranium ore leaching solution, are finally formed through continuous work; finally, efficient multi-phase flow fractional separation, concentration and purification treatment of the argillaceous sandstone uranium ore is achieved, residues of uranium elements in tailings are reduced, and the deep extraction rate of uranium ore resources is increased.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device beneficial to improvement of separation efficiency, comprising: a centrifugal assembly for separating a solid-liquid mixed material into liquid and a solid material; the liquid inlet and outlet assembly is used for allowing solid-liquid mixed materials to enter the centrifugal assembly and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly, so that the solid-liquid mixed materials are separated; wherein the centrifugal assembly comprises a plurality of centrifugal units which are arranged in a stacked mode in the axial direction, each centrifugal unit separates the solid-liquid mixed materials through rotation, the solid-liquid mixed materials entering the centrifugal assembly can be distributed to the multiple centrifugal units, and the solid-liquid mixed materials are separated through the multiple centrifugal units at the same time. According to the solid-liquid separation device provided by the embodiment of the invention, the separation efficiency of the solid-liquid mixed material can be improved.

The invention discloses a solid-liquid mixing chemical reaction kettle, and belongs to the field of chemical reaction kettles.The solid-liquid mixing chemical reaction kettle comprises a kettle body, a mixing motor is fixedly installed on the kettle body, a rotating cylinder is fixedly installed at the driving end of the mixing motor, a material conveying assembly is arranged on the rotating cylinder, and the material conveying assembly comprises a connecting piece fixedly installed on the rotating cylinder; a feeding barrel is fixedly installed on the connecting piece, a feeding component is installed on the feeding barrel, an extrusion component is installed in the feeding barrel, an adjusting assembly is arranged in the feeding barrel, a reciprocating lead screw is fixedly installed at the lower end of the rotating barrel, and a stirring assembly is arranged on the reciprocating lead screw. Through cooperation of the mixing motor and the first stirring rod, the acid sensor can rotate and perform vertical reciprocating motion to uniformly monitor the overall pH value of a solid-liquid mixed material in the equipment, and meanwhile through cooperation of the first stirring rod, the second stirring rod and the two mixing plates, the overall pH value uniformity of the solid-liquid mixed material is improved.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device, which comprises a shell, a separation device and a control device, the centrifugal assembly is rotatably arranged in the accommodating cavity and is used for separating the solid-liquid mixed material; the liquid inlet and outlet assembly is arranged on the shell and used for allowing solid-liquid mixed materials to enter and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is arranged in the containing cavity and used for collecting the solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly so as to separate solid-liquid mixed materials; wherein the shell comprises a shell body and a detachable part detachably connected with the shell body, the shell body and the detachable part jointly form a containing cavity, and when the detachable part is detached from the shell body, the collecting part can be taken out of the shell body. According to the solid-liquid separation device provided by the embodiment of the invention, the separated solid materials can be taken out from the device without disassembling the centrifugal assembly, so that the operation of a manipulator is facilitated.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device convenient for taking out liquid, which comprises a centrifugal assembly, a liquid inlet and outlet assembly, a collecting piece and a driving assembly. The centrifugal assembly is used for separating the solid-liquid mixed material into a liquid material and a solid material; the liquid inlet and outlet assembly is used for allowing solid-liquid mixed materials to enter the centrifugal assembly and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly, so that solid-liquid mixed materials are separated; the liquid inlet and outlet assembly is arranged to be capable of sucking out liquid separated out by the centrifugal assembly. According to the solid-liquid separation device provided by the embodiment of the invention, the liquid separated by the centrifugal assembly is sucked out through the liquid inlet and outlet assembly, so that the liquid can be prevented from remaining in the solid-liquid separation device, and the separated liquid can be conveniently taken out of the solid-liquid separation device.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device for separating solid-liquid mixed materials into liquid and solid materials. The device comprises a shell which is arranged to form a containing cavity; the centrifugal assembly is rotatably arranged in the accommodating cavity and is used for separating the solid-liquid mixed material into a liquid material and a solid material; the collecting piece is arranged in the containing cavity and used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the shell so as to separate the solid-liquid mixed material; wherein the centrifugal assembly comprises a centrifugal shell and a centrifugal main body, the centrifugal shell is arranged to form a centrifugal cavity and a liquid temporary storage cavity which are in fluid communication, and the centrifugal main body is arranged in the centrifugal cavity and arranged to be capable of separating solid-liquid mixed materials and enabling separated liquid to enter the liquid temporary storage cavity. According to the solid-liquid separation device provided by the embodiment of the invention, separated liquid can be conveniently taken out of the solid-liquid separation device.

The invention discloses a sludge pretreatment device for sludge brickmaking, which comprises a drying box, one side of the drying box is fixedly connected with a drying box, one side, far away from the drying box, of the drying box is fixedly connected with a feeding device, one side, close to the feeding device, of the interior of the drying box is fixedly connected with a crushing device, and the lower end of the interior of the drying box is fixedly connected with a stirring device. According to the scheme, sludge on the surface of the first filter cloth conveying belt is subjected to primary filter pressing through the second filter cloth conveying belt, sewage in the sludge passes through the first filter cloth conveying belt again, and along with conveying of the sludge, the sludge is extruded by the second filter cloth conveying belt and the first filter cloth conveying belt again, so that secondary filter pressing and graded drying of the sludge are realized; meanwhile, in the sludge dewatering process, transportation is carried out, the sludge dewatering efficiency is improved, automatic quantitative adding and mixing of mixed materials are achieved, independent cooperation with other equipment is not needed, space is saved, and multifunctional treatment of the sludge is achieved.

The invention discloses a PCBN (Polycrystalline Cubic Boron Nitride) composite sheet and a sintering process thereof. The sintering process of the PCBN composite sheet comprises the steps of material mixing, hot prepressing sintering, hot prepressing cooling, cubic pressure sintering and cooling to the room temperature, and raw materials in the mixed material comprise, by mass, 30%-85% of CBN micro powder and 15%-70% of binding agent micro powder. The PCBN composite sheet prepared by the sintering process is high in surface flatness and has relatively high hardness and cutting output.

The invention discloses a deep learning and automatic control chemical reactor and a resource recovery method, and relates to the technical field of hydrometallurgy, and the deep learning and automatic control chemical reactor comprises a chemical reactor, a motor, a heating device, a monitoring device, a data center and a PLC control system. Based on a PLC control system, a Transform-LSTM time sequence prediction model is integrated, so that real-time monitoring of parameters such as mixed liquid temperature, reaction chamber pressure, mixed liquid viscosity, conductivity and the like in a wet leaching reaction process can be realized; and the heating power of the heating device, the rotating speed of the motor, the raw material adding amount of the feeding port, the mixed material discharging time of the discharging port and the air displacement of the air exhaust port can be automatically and accurately controlled. The problems that stirring efficiency is low, parameter regulation and control are lagged, and manual experience is relied on are solved, through a predictive control strategy, the real-time monitoring and dynamic regulation level is remarkably improved, the wet leaching process is optimized, energy consumption is reduced, the high-grade metal leaching efficiency is improved, and the method is suitable for various wet metallurgy processes.

The invention relates to the technical field of waste asphalt concrete recycling, in particular to a waste asphalt concrete recycling treatment device which comprises a crushing unit and an air screening unit, a mixed material is subjected to air screening through an air screening frame, the particle size of the mixed material is screened through a screening frame, and in the whole machining process, the waste asphalt concrete can be recycled. The main components of the powder collected in the collecting frame comprise sand powder and asphalt powder and are used for being mixed with other materials to form asphalt sand for use, the main components of the particles meeting the requirements of the discharging equipment comprise asphalt particles and stone particles and are used for being mixed with other particle materials to form an asphalt cold patch material for use, and the recycling rate of waste asphalt is increased.

The invention discloses a metal material performance detection method based on longitudinal wave resonance, metal material performance detection is carried out based on a laser and a metal material performance detection sensor, and the metal material performance detection sensor comprises an electromagnetic ultrasonic transducer EMAT and a magnetism gathering ring; the method comprises the steps that EMAT and a magnetism gathering ring are arranged on the two sides of a metal material sample respectively; laser emitted by the laser device penetrates through the magnetism gathering ring and the liquid-solid mixed material covering the surface of the metal material sample to generate an ultrasonic resonance signal in the metal material sample, the ultrasonic resonance signal is finally received by the EMAT, and the performance of the metal material sample is detected based on the ultrasonic resonance signal received by the EMAT. The detection effect of the performance of the metal material can be improved.

The invention relates to a preparation method of a multi-metal coarse-grained ore sample. The preparation method of the multi-metal coarse-grained ore sample comprises the following steps: roasting an ore sample, and pre-screening the roasted sample by adopting a 6-mesh standard sieve; carrying out coarse crushing on the residual materials after pre-screening, and uniformly mixing the crushed materials with the pre-screened materials; carrying out intermediate crushing on the uniformly mixed materials, and feeding the materials subjected to intermediate crushing into a crusher for grinding; and repeatedly and uniformly mixing the ground materials, dividing the uniformly mixed ground materials into a sample amount, grinding the divided materials into 200 meshes through a sealed test sample preparation grinder, and uniformly mixing and bagging the ground materials. According to the scheme provided by the invention, through four links of coarse crushing, intermediate crushing, fine crushing and fine grinding, large-particle-size ore materials are crushed and processed by stages, the particle size of each stage and representativeness of a division sample are ensured, the ore materials are finally processed to the particle size of-200 meshes or below, the qualified rate of preparation of coarse-particle ore samples is increased, and accurate guidance of production is realized.

The invention relates to the technical field of guanidine nitrate preparation, in particular to a method for preparing guanidine nitrate by a continuous dynamic tubular reaction process, which comprises the following steps: uniformly mixing dicyandiamide, target ammonium nitrate and target ammonium carbonate according to a mass ratio of 1: (1-3): (1-0.5); conveying the uniformly mixed material to a feeding section in a dynamic tubular reactor through a first conveying screw rod for mixing treatment, wherein the dynamic tubular reactor further comprises a heating section, a reaction section and a cooling section; sequentially conveying the target mixed material to a heating section for heating melting treatment, a reaction section for synthesis reaction treatment and a cooling section for cooling forming treatment through a second conveying screw rod to obtain an initial product; conveying the initial product into a cooling and crushing device for cooling and slicing to obtain a target guanidine nitrate product. According to the method disclosed by the invention, the mass and heat transfer efficiency can be improved, the online quantity and liquid holdup of the material are reduced, meanwhile, the raw material ratio and the reaction path are optimized, and the safety and the product purity are improved.

The invention relates to the technical field of activated carbon processing, and discloses catalyst activated carbon activation processing equipment and a using method thereof.The catalyst activated carbon activation processing equipment comprises a main body, a plurality of heating rods are fixedly connected to the interior of the main body, an inner cylinder is fixedly connected to the interior of the main body, a catalyst storage box is fixedly connected to the top of the inner cylinder, and a feeding port is formed in the top of the inner cylinder; and a discharging pipe is arranged at the bottom of the inner cylinder. The hollow gear shaft drives mixed materials to turn over and stir during rotation, and the situation of local accumulation among the materials is broken through in combination with vertical shaking of the two ends of the arc-shaped elastic plate, so that the materials are more fully mixed in the inner cylinder, and the material mixing uniformity is greatly improved; and the mixed material and the activation medium are in better contact, so that the mixing uniformity is improved.

The aerogel heat-preservation pouring material comprises a material A and a material B. The material A is formed by mixing aerogel and solid waste according to the ratio of 1: (0.3-0.5), the material B is a curing agent, and the material A and the material B which are mixed are cured for 8-10 minutes according to the ratio of 1: 0.5 to form the aerogel heat-preservation pouring material. According to the aerogel heat-preservation pouring material, the waste utilization rate of plant straw powder or finished building heat-preservation plates reaches 30% or above, solid waste does not need to be transported outwards, the solid waste is firstly crushed on a roof and then is utilized, local materials are used, the waterproof problem of old building roof transformation and the original solid waste such as heat-preservation plates, bricks and stones and shoveled roof waterproof coiled materials are solved, and the heat-preservation effect is achieved. The environment is protected.

The invention discloses an anthracite-based fast-charging carbon negative electrode material and a preparation method thereof.The preparation method comprises the steps that firstly, component separation is conducted on anthracite, meanwhile, the dual effects of reducing ash content and separating maceral components are achieved, then grading treatment is conducted by means of the density and hardness difference of vitrinite and inertinite, small-particle-size vitrinite is further sufficiently enriched, and the carbon negative electrode material is obtained. The content of vitrinite in the auxiliary material B is larger than or equal to 96 wt%, and then the auxiliary material B is subjected to hot air oxidation treatment to be subjected to a cross-linking reaction, so that the auxiliary material B is promoted to form a hard-carbon-like structure in the high-temperature carbonization process; meanwhile, collecting a mixed material containing 50-70wt% of vitrinite and 30-40wt% of inertinite as a main material A, and graphitizing the main material A; the graphitized main material A, the oxidized auxiliary material B and a binder are heated, fused and carbonized to form a graphite / hard-like carbon hybrid structure, and the anthracite-based fast-charging carbon negative electrode material with excellent electrochemical performance is obtained.

The invention provides a wood-plastic composite material preparation method, which comprises: S1, cutting and crushing a wind power blade recovered material to obtain a wind power blade powder material, and carrying out screening and surface treatment on the powder material; s2, uniformly mixing the wind power blade powdery material, wood flour and an auxiliary agent in proportion to obtain a mixed material; and S3, the mixed material is subjected to internal mixing treatment, the internally mixed material is subjected to hot press molding and cold press shaping, and the composite material is obtained. The WGFRP material in the retired wind power blade is used for preparing the wood-plastic composite material, so that the mechanical property and weather resistance of the composite material are remarkably improved, the service life of the material is prolonged, resource reutilization of wastes is realized, environmental pollution caused by landfill and incineration is reduced, the use amount of plastic in the production process is reduced, and the production cost is reduced. The carbon emission is reduced, and the influence on the environment is reduced.

The invention provides a method and equipment for producing Li2CO3 based on coordinated roasting of lepidolite and spodumene. The method for producing Li2CO3 based on coordinated roasting of lepidolite and spodumene comprises the steps that S1, ore pretreatment is conducted, specifically, lepidolite and spodumene with the particle size smaller than 5 mm are evenly mixed according to the mass ratio of 1: (1-3), and the mixed ore is finely ground till the particle size is smaller than 75 microns; s2, additive mixing, wherein a composite additive is added into the mixed ore obtained after fine grinding and evenly mixed with the ore, and the composite additive is composed of fluoride, sulfate and a fluxing agent; and S3, coordinated roasting, wherein the mixed materials are fed into a rotary kiln to be roasted. According to the method for producing Li2CO3 based on coordinated roasting of the lepidolite and the spodumene, the lepidolite and the spodumene are roasted in a coordinated mode, the structural and chemical property differences of the lepidolite and the spodumene are utilized, advantage complementation is achieved, the overall extraction rate of lithium is increased, compared with a single lithium extraction technology, the lithium recovery rate can be increased by 10%-20%, and the waste residue generation amount is reduced.

The preparation method comprises the following steps: 1, dispersing an iron source, a phosphorus source, a lithium source, a carbon source, a dispersing agent, an element doping agent and a solvent in proportion, dividing the dispersed slurry into three parts of slurry A, B and C in proportion, respectively grinding the three parts of slurry, and respectively carrying out spray drying; 2, pre-sintering the three parts of spray materials at different temperatures, and crushing the pre-sintered materials; and step 3, mixing the crushed pre-sintered materials so as to realize multi-stage grain composition. Carrying out dry mixing on a carbon source and the pre-crushed material according to a certain mass ratio; and 4, carrying out secondary sintering, crushing and demagnetizing on the mixed material to obtain the multi-stage grading high-compaction lithium iron phosphate positive electrode material. According to the invention, primary sintering material grain grading and secondary carbon coating and sintering strengthening are realized through graded particle size design, and the compaction density and the specific capacity of the lithium iron phosphate positive electrode material are synergistically improved.

The invention belongs to the field of waste artificial graphite regeneration, and particularly relates to a waste artificial graphite regeneration method, a regenerated material and application thereof, the regeneration method comprises the following steps: carrying out normal pressure liquid phase modification on waste artificial graphite in an organic acid solution in advance, and then putting the modified waste artificial graphite in an inorganic acid solution for positive pressure liquid phase modification to prepare a modified material; mixing the modified material with a Mn source, a metal N source, a first carbon source and a binder to obtain a mixture, then performing heat treatment on the mixture in a hydrogen-containing atmosphere, and then performing negative-pressure annealing treatment to obtain a heat-treated material; the metal N source comprises a compound of at least one of iron, cobalt and nickel; and mixing the heat-treated material with lithium salt and a second carbon source, and carrying out roasting treatment to obtain the graphite regenerated material. The regeneration method disclosed by the invention is particularly suitable for repairing the artificial graphite waste which is difficult to treat, so that the artificial graphite waste can be repaired to obtain a material with excellent capacity, long circulation and particularly low-temperature stability.

The invention provides a plant fiber asphalt mixed material as well as a preparation method and application thereof, and belongs to the technical field of composite asphalt. Performance optimization is achieved through a specific fiber-reinforced asphalt mixture scheme, the asphalt mixture comprises pretreated natural plant fibers, asphalt, coarse materials, fine materials and mineral powder, after mixing, the high-temperature stability, the water damage performance and the fatigue performance of the asphalt can be remarkably improved, the balance of cost and performance is achieved, and the service life of the asphalt is prolonged. And the defect that the cost of the conventional high-performance pavement material is often too high is overcome. The problems of high-temperature stability, water damage performance, fatigue performance, cost and performance balance and the like of a traditional asphalt pavement material are effectively solved, and the comprehensive performance of the pavement material is remarkably improved.

The invention relates to the technical field of sintered ore production, in particular to a multi-process cooperative control method and system of a sintering process. The sintering production level is comprehensively improved. The control method comprises the following steps: uniformly-mixed material replacement control logic: establishing a feed-forward compensation model taking a material ferrous component and a burn-out rate as variables, and adjusting the ratio of fuel to a flux; solid waste circulation matching control logic: establishing an admission and substitution mechanism of gravitational dedusting ash and environmental dedusting ash; hydrothermal cooperative control logic: establishing a coupling regulation mechanism of temperature and moisture of the mixture; the ignition-sintering end point cooperative control logic is used for adjusting ignition parameters and the main fuel dosage in a linkage mode; according to return mine balance control logic, the sintering process is reversely diagnosed and adjusted through the physical state and flow feedback of return mines; and fuel and flux replacement control logic: executing accurate replacement calculation taking carbon balance or alkalinity conservation as a basic principle, and introducing a particle size or activity degree correction coefficient for optimization. The method is realized by a multi-process cooperative control system.

The invention relates to the technical field of intelligent control, in particular to a breeding feed mixing control method and mixing equipment, and solves the technical problem of poor mixing quality caused by physical property difference of raw materials in the prior art. The method comprises the following steps: monitoring component composition and particle physical form of a mixed material in a mixing process and stirring parameters of mixing equipment; the mixing process comprises the following steps: stirring the dry materials in the mixing equipment, and adding liquid by spraying; the components are obtained through near infrared spectroscopic analysis; the physical form of the particulate matter is obtained through image analysis; analyzing the influence of the stirring parameters on the mixing quality based on the component composition, and determining a correction coefficient of the operation parameters of the mixing equipment in combination with the physical form of the particles; and regulating and controlling the current operation parameter of the mixing equipment according to the correction coefficient, so that the mixing equipment operates according to the regulated and controlled target operation parameter.

The invention discloses a preparation method of a nano HZSM-5 molecular sieve, and belongs to the technical field of nano molecular sieve preparation, the preparation method comprises the following steps: 1, adding a silicon source, an aluminum source and a template agent into a supercritical crystallization reaction kettle, heating, stirring, and carrying out a melting reaction on the raw materials to obtain a seed crystal mixed material; introducing absolute ethyl alcohol into the seed crystal mixed material obtained by the melting reaction, heating, stirring, and carrying out crystallization reaction to obtain a reaction product; and cooling, washing, drying and roasting the obtained reaction product to obtain the nano HZSM-5 molecular sieve. According to the present invention, the melting reaction and the supercritical ethanol crystallization reaction technology are introduced into the preparation of the nanometer HZSM-5 molecular sieve for the first time, and the prepared nanometer HZSM-5 molecular sieve has advantages of small grain size, uniform distribution, large specific surface area and high yield.

The invention belongs to the technical field of concrete, and particularly relates to dynamic carbon injection recycled coarse aggregate concrete as well as a preparation method and application thereof. The preparation method of the concrete comprises the following steps: (1) adding the cement, the mineral powder, the recycled coarse aggregate, the fine aggregate, the fly ash, the carbon sequestration agent, the retarder and the water reducing agent into water, and uniformly stirring to obtain a mixed material; (2) injecting carbon dioxide into the mixed material to obtain carbon-mixed concrete; and (3) curing the carbon-mixed concrete to obtain the carbon-mixed concrete. The invention provides a method for preparing dynamic carbon injection recycled coarse aggregate concrete by taking a carbon sequestration agent, a retarder, cement, mineral powder, recycled coarse aggregate, fine aggregate, fly ash and a water reducing agent as raw materials. The method is simple in process and easy for large-scale production. The concrete prepared by adopting the method is relatively high in carbon sequestration rate, excellent in mechanical property and capable of effectively avoiding rapid hydration.

The invention provides a preparation method of a multi-source coal-based solid waste filling material, and belongs to the technical field of solid waste reutilization, and the preparation method comprises the following steps: uniformly mixing cement, fly ash, furnace bottom slag, desulfurized gypsum, coal gangue, gasified slag and a water reducing agent to obtain a mixed material; and adding fluorine-containing mine water into the mixed material, stirring and mixing to obtain the cemented multi-source coal-based solid waste filling material with predetermined fluidity and bleeding rate. The invention further provides application of the multi-source coal-based solid waste filling material. According to the preparation method and application of the multi-source coal-based solid waste filling material, the coal-based solid waste can be comprehensively recycled and is environmentally friendly, and the prepared multi-source coal-based solid waste filling material can effectively control and treat fluorine ions in mine water.