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63results about "Granulation with special binding agents" patented technology

Yellow phosphate rock powder clustering equipment

The invention relates to the technical field of yellow phosphate rock powder clustering, in particular to yellow phosphate rock powder clustering equipment which comprises a base, a support is fixedly mounted at the top of the base, and spherical rotary drums are rotatably connected to the two sides of the inner wall of the support in a penetrating mode; a storage cylinder is fixedly mounted at the top of the support, a connecting pipe is rotatably connected into the storage cylinder in a penetrating mode, a quantifying cylinder is fixedly connected to the bottom of the connecting pipe, and a discharging assembly is arranged at the bottom of the quantifying cylinder. By arranging a quantitative barrel, a first through groove, a second through groove and a discharging assembly, the quantitative barrel is rotated to enable the first through groove to be aligned with the second through groove, an adhesive enters a connecting pipe through the first through groove and the second through groove, then the adhesive enters the quantitative barrel, scale marks are arranged outside the quantitative barrel, and after the liquid level in the quantitative barrel reaches a proper value, the adhesive is discharged. The quantitative barrel is rotated to enable the first through groove and the second through groove to be staggered, and the adhesive is quantitatively discharged into the spherical rotating barrel through the discharging assembly, so that the adding amount of the adhesive is controlled, and the agglomeration quality of the yellow phosphate rock powder is improved.
Owner:LEIBO KAIRUI PHOSPHORUS CHEM CO LTD

Straw carbon-based carbon particles and manufacturing device and method

PendingCN121894639AMaterial granulation and coatingBiofuelsFiberCarbon particle
The invention discloses straw carbon-based carbon particles and a manufacturing device and method, and relates to the technical field of agricultural ecological environmental protection equipment.The method comprises the following steps that S1, straw is subjected to component separation treatment, and a liquid component, a carbonized precursor rich in lignin and a fiber base material containing cellulose are obtained; s2, performing carbonization treatment on the carbonized precursor to obtain biochar; dissociating the fiber base material to obtain a fiber inner core material; s3, the liquid component serves as an adhesive, the fiber inner core material serves as a particle inner core, biochar serves as a coating outer layer, and carbon particles of a core-shell structure are prepared through a forming technology. Straw is subjected to component separation before carbonization, directional utilization of all components of straw is achieved, compared with an existing mode that straw is directly carbonized and returned to the field, the carbon particles are more environmentally friendly, and the cost is reduced. The carbon particles prepared by the method are beneficial to subsequent fermentation and field application, can reduce the risk of secondary pollution such as dust raising, are beneficial to regulation and control of the soil carbon release process, and improve the comprehensive utilization efficiency of straws.
Owner:SICHUAN JIUQING HABITAT ECOLOGICAL ENVIRONMENT TECHNOLOGY CO LTD

Granulation device with controllable particle size and granulation method

The invention discloses a particle size controllable granulation device and method, the device comprises a mounting rack and a unidirectional rotating granulation disc, the bottom of the granulation disc is provided with a receiving hopper fixedly connected with the mounting rack, the top of the receiving hopper is provided with a particle size control assembly used for guiding out materials in the granulation disc, and the particle size control assembly is connected with the mounting rack. The particle size control assembly comprises a fixed blocking piece and a movable blocking piece, a plurality of first hollowed-out holes are formed in the surface of the fixed blocking piece in an array mode, and a plurality of second hollowed-out holes are formed in the surface of the movable blocking piece in an array mode. Through hollowed-out holes formed in the fixed separation blade and the movable separation blade in a staggered mode and a specific inclination angle, materials form a unique movement track in the granulation disc, the circulation movement of stacking-climbing-falling of the materials is achieved, particles are promoted to be fully agglomerated, meanwhile, coarse particles move outwards under the action of centrifugal force, and therefore the particle size of the particles is reduced. And the materials are collided at the fixed separation blade and the movable separation blade to be scattered and refined, and additional crushing treatment is not needed.
Owner:TONGLING TONGGUAN JIANAN NEW ENVIRONMENTAL PROTECTION BUILDING MATERIALS TECH CO LTD

Nanocomposite for wastewater treatment

A method of immobilizing contaminants disposed in an aqueous medium comprising contacting the aqueous medium with a particulate crystalline nanocomposite for a sufficient contact time to permit adsorption of the contaminants. The particulate crystalline nanocomposite includes: a tetragonal (CaMoO4) crystalline phase; a (CaSiO3) crystalline phase; and, a graphitic-(C3N4) crystalline phase, wherein at least a fraction of the graphitic-C3N4 is in the form of mesoporous nanosheets.
Owner:IMAM MOHAMMAD IBN SAUD ISLAMIC UNIV

Method for producing granulated powder

To provide a method for producing granulated powder in which the surface of each of the multiple magnetic particles contained in the granulated powder can be easily coated with a resin composition. [Solution] The raw materials for the granulated powder (30) are a slurry 9 containing a magnet powder consisting of multiple magnet particles 3, a resin composition 5, and an organic solvent. The magnet powder is an alloy containing Sm, Fe, and N. The resin composition 5 contains a thermosetting resin. By spraying the slurry 9, multiple fine particles 10 made of the slurry 9 are formed. When a magnetic field H is generated by the coil 4, the multiple fine particles 10 are supplied to the inside of the coil 4 by the magnetic field H. Inside the coil 4, the multiple fine particles 10 aggregate due to the magnetic field H, forming multiple aggregates 20. By heating the multiple aggregates 20, the organic solvent is removed from the multiple aggregates 20, and the multiple aggregates 20 become granulated powder (30).
Owner:RESONAC CORP

Powder adsorbent processing system

The utility model relates to the technical field of powder adsorbent processing, and discloses a powder adsorbent processing system which comprises a feeding module for processing a powder adsorbent, a glue supply module and a drying module, the feeding module is used for conveying powder raw materials; the glue supply module is used for conveying glue into the material supply module; the drying module is used for drying and curing the mixed and extruded materials; by using the vibrator, caking or bridging of powder in the stock bin is effectively prevented, smooth outflow and uniform mixing of the powder are ensured, continuous flowing and drying of the material are ensured by continuous operation of the belt conveyor and the belt dryer, interruption and waiting time in the production process are avoided, and the production efficiency is improved. The hot air provided by the hot air furnace can comprehensively and efficiently dry materials in the belt dryer, the problems of caking, mildewing and the like caused by water residues are prevented, the product strength and stability are enhanced, and the performance and quality of an adsorbent are improved.
Owner:GUIZHOU XINCHUAN ENERGY SAVING & ENVIRONMENTAL PROTECTION CO LTD

Method for producing particle-containing fiber bundles and particle-containing fiber bundles

Provided are: a particle-containing fiber bundle that is highly uniform and has further improved feeding efficiency; and a production method for the same. A particle-containing fiber bundle production method according to the present invention is for producing a particle-containing fiber bundle having a prolate spheroidal shape or a strand shape, the method comprising a step for mixing a plurality of shortened fibers, particles having a median diameter of at most 100 μm, an organic binder, and a liquid. Carbon fibers are included as the fibers, and at least 10 parts by mass of the particles are used with respect to 100 parts by mass of the fibers.
Owner:MITSUBISHI CHEM CORP

Continuous solid preparation granulating equipment

The utility model discloses continuous solid preparation granulating equipment which comprises a placing seat, a granulating barrel is fixedly connected to the inner side of the upper end of the placing seat, a plurality of holes are formed in the outer side of the granulating barrel, the holes are annularly and uniformly distributed at equal angles, a grinding blade is rotationally connected to the center of the inner bottom surface of the granulating barrel, and the grinding blade is rotationally connected to the center of the inner bottom surface of the granulating barrel. And the rolling blades make contact with the inner side of the granulating barrel, a rolling motor is fixedly installed on the inner bottom face of the containing base, and the output end of the rolling motor penetrates through the granulating barrel and is fixedly connected with the centers of the rolling blades. According to the structure, the driving mechanism and the scraping ring are matched with each other, so that the driving mechanism drives the scraping ring to move up and down in a reciprocating manner, particles extruded by the rolling blades are pushed off while the hanging ring moves up and down in a reciprocating manner, and materials adhered to the outer side of the granulating barrel are removed while the particles are pushed off; and manual scraping and cleaning are not needed, and time and labor are saved.
Owner:YANGZHOU ZHONGHUI PHARM CO LTD

Coal combustion additive by means of aluminum sulfate reaction and its preparation method and application

The present application provides a kind of coal additive by means of aluminum sulfate reaction, the raw material of the coal additive includes by weight percentage: catalyst 40-55%; oxidant 25-35%; fluorite 10-20%; silicon calcium powder 2-6%; the catalyst is composed of aluminum powder and sulfate according to (3-4):1 mole ratio.The present application also provides a kind of preparation method of coal additive by means of aluminum sulfate reaction, after drying, each raw material powder is mixed, then mixed with organic cellulose and water configuration organic binder, to make several small pellets, drying is obtained coal additive.The present application also provides the application of the above-mentioned coal additive by means of aluminum sulfate reaction in improving the combustion efficiency of coal, the coal additive can greatly improve the combustion efficiency of coal by means of the high heat release system of "aluminum + sulfate", and the production cost is low, safe and environmentally friendly, has broad popularization and application prospect.
Owner:WUHAN UNIV

Powder processing mechanism and dry mixing method

The invention relates to a powder processing mechanism and a dry mixing method. The powder processing mechanism comprises a mixing module, a compaction module, a kneading module, a block breaking module and a shaping module which are sequentially stacked in the vertical direction. The mixing module is used for mixing and dispersing various preset powder materials and outputting primarily mixed first mixed powder; the jolt ramming module is used for mechanically fusing the first mixed powder and outputting uniformly coated second mixed powder; the kneading module is used for kneading and homogenizing the second mixed powder and outputting a third mixed bulk with a three-dimensional fiber network; the block breaking module is used for breaking the third mixed bulk and outputting fourth mixed powder with the particle size of centimeter level and below; and the shaping module is used for shaping the fourth mixed powder and outputting fifth mixed powder with the particle size of millimeter and below. Through multi-module integration, multi-powder continuous mixing dispersion, fusion coating and homogeneous kneading can be realized, the fibrosis degree and uniformity of an adhesive can be accurately regulated and controlled, and the particle size precision can be accurately controlled, so that continuous production is realized.
Owner:WUXI RICH INTELLIGENT EQUIP CO LTD

Process for the synthesis of vinyl chloride with reduced loss of gold-based catalyst

The application belongs to the field of vinyl chloride synthesis process, and particularly relates to a vinyl chloride synthesis process device capable of reducing the loss of gold-based catalysts. The device comprises a converter A, a converter B, a raw material gas pipeline, a front-back station interconnection pipeline and a crude vinyl chloride pipeline; a first valve is arranged between the raw material gas pipeline and the converter A, a second valve is arranged between the front-back station interconnection pipeline and the converter A, a fourth valve is arranged between the crude vinyl chloride pipeline and the bottom of the converter A, a third valve is arranged between the bottom of the converter A and the front-back station interconnection pipeline, a fifth valve is arranged between the raw material gas pipeline and the upper part of the converter B, a sixth valve is arranged between the front-back station interconnection pipeline and the converter B, an eighth valve is arranged between the bottom of the converter B and the crude vinyl chloride pipeline, and a seventh valve is arranged between the bottom of the converter B and the front-back station interconnection pipeline. The application can reduce the loss of gold components in the production process, improve the recovery rate of gold-based catalysts, and has a good application prospect.
Owner:INNER MONGOLIA ERDOS ELECTRIC POWER & METALLURGY CO LTD +1

A high temperature setting phase change particle manufacturing apparatus and method

The application relates to the technical field of phase change heat storage packaging, in particular to a high-temperature shaped phase change particle manufacturing device and method, which comprises a dissolving and stirring mechanism, a mixing and forming mechanism and a screening mechanism; the dissolving and stirring mechanism is used for uniformly dissolving a phase change material in a binder solution to obtain a phase change material solution and uniformly flowing into the mixing and forming mechanism in a filament form; the mixing and forming mechanism is used for uniformly mixing the phase change material solution with a skeleton support material, then extruding and cutting the phase change material solution into particles, discharging the particles and falling into the screening mechanism; the screening mechanism screens qualified shaped phase change particles from the falling particles, and the qualified shaped phase change particles are used for subsequent sintering and cooling to obtain final shaped phase change particles. The application shows its innovation value in improving production efficiency, ensuring operation safety and widening the application range of materials, and makes an important contribution to the progress of material preparation technology in the fields of energy and chemical industry.
Owner:ZHEJIANG GUOHUA YUYAO FUEL GAS POWER GENERATION CO LTD +1

Lanthanum-loaded fluorite spherical seed and method for treating fluorine-containing wastewater by using the same

The application provides a lanthanum-loaded fluorite ball seed and a method for treating fluorine-containing wastewater, and a preparation method of the lanthanum-loaded fluorite ball seed comprises the following steps: firstly, mixing sodium silicate and polyacrylamide, and then uniformly dispersing the mixture in an aqueous solution to obtain a composite binder; secondly, uniformly mixing calcium fluoride powder and the composite binder, and then feeding the mixture into a granulator to granulate, and taking out and drying the fluorite ball particles; finally, soaking the fluorite ball particles in a lanthanum solution, and then baking to obtain the lanthanum-loaded fluorite ball seed. When the lanthanum-loaded fluorite ball seed is used for fluorine-containing wastewater treatment, the fluorite ball seed induces the crystallization of calcium fluoride on the surface of the fluorite ball seed, and the fluorine ions in the solution are effectively removed. The defluorination rate of the application is high, the purity of the fluorite ball seed after induced crystallization and the surface-loaded calcium fluoride is high, and the fluorite ball seed and the calcium fluoride can be recycled twice, and no sludge and other wastes are generated in the reaction process, so that no additional foreign matter removing device is needed.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI

Granulating agent for powder, granulated product using the same, and method for producing the same

To provide: a granulating agent for powder, which has a low viscosity and can be uniformly mixed with powder, and can obtain a granulated material with high grain hardness; a granulated material obtained by using the granulating agent for powder; and a method for producing the granulated material.SOLUTION: A granulated material is formed by granulating at least one powder selected from the group consisting of inorganic powder and organic powder, using a binder component containing a water-soluble polymer and a fibrous cellulose containing a fine fibrous cellulose that has a fiber width of 1000 nm or less.SELECTED DRAWING: None
Owner:OJI HLDG CORP

Granulator with granularity control structure for preparing aluminum trihydride

ActiveCN223818615UGranulation using vibrationFeed devicesEngineeringALUMINUM HYDRIDE
The utility model relates to the technical field of pelletizers, and discloses a pelletizer with a granularity control structure for preparing aluminum trihydride, which comprises a support plate I, a motor I is fixedly connected in the support plate I, the driving end of the motor I is fixedly connected with a rotating rod I, the top of the rotating rod I is rotatably connected with a connecting rod, and the connecting rod is fixedly connected with the support plate I; the bottom of the connecting rod is rotatably connected with a triangular connecting block, the interior of the triangular connecting block is fixedly connected with a first fixing column, the interior of the triangular connecting block is rotatably connected with a connecting rod, the left side of the connecting rod is rotatably connected with a sliding plate, and the bottom of the sliding plate is fixedly connected with a square sliding block. In the utility model, the quantity of raw materials can directly influence the size and the shape of particles, and the relationship between the optimal blanking speed and the target particle size is determined by changing the quantitative blanking speed and observing the change of the particle size, which is very helpful for improving the process level and the product performance.
Owner:HENAN NAYU NEW MATERIAL CO LTD

Novel boiler burner with efficient mixing and stable burning characteristics

The invention discloses a novel boiler burner with efficient mixing and stable burning characteristics, and relates to the technical field of heat energy power engineering and automatic control, the novel boiler burner comprises a main control fan assembly, a carbon granule pressing assembly, an atomizing and spraying assembly and a fuel conveying assembly, and through systematic cooperation of the carbon granule pressing assembly and the atomizing and spraying assembly, the fuel can be efficiently mixed and stably combusted. Unification of carbon granule forming, pore pre-oxygenation, catalytic adhesion and efficient fuel combustion is achieved, a carbon granule pressing assembly is pressed through an electric air cylinder driving mold, precise oxygenation of an oxygen pump and sealing protection of a baffle form a mechanical pneumatic closed loop, and the inherent problems of oxygen deficiency in fuel, insufficient burn-off rate and unstable forming of a traditional combustor are radically solved; the atomization spraying assembly achieves dual adaptation of adhesion forming and catalytic stable combustion of fuel by means of an iron acetylacetonate solution through common work of pressurized conveying of a diaphragm pump, pressure control of a pressure regulating valve and atomization permeation of an atomization nozzle, and it is ensured that the strength of the carbon block reaches the standard, and the combustion process is stable and controllable.
Owner:ZHEJIANG TUFF BOILER

Biochar petroleum COKE products and methods

Methods of producing a biochar petroleum coke product comprises blending a biochar with green petroleum coke, agglomerating the mixture with a binder to form a plurality of agglomerates, and calcining the plurality of agglomerates to form the biochar petroleum coke product. Biochar petroleum coke products comprise petroleum coke, at least 3 wt% biochar, less than 5 wt% sulfur, less than 0.5 wt% hydrogen, and less than 2 wt% ash.
Owner:RAIN CARBON INC

Powder high-flux granulation device and method

A powder high-flux granulation method suitable for a full-automatic / semi-automatic processing flow comprises the following steps that firstly, initial powder and a binder are placed in a test tube containing grinding balls to be vibrated at a high speed, and the powder and the binder are evenly mixed through the mechanical action of the grinding balls; then drying the mixed slurry and carrying out high-speed vibration crushing again; and finally, removing the grinding balls through a screen to obtain granular powder with uniform particle size (about 0.1 mm) and good fluidity. The process is simple and efficient, saves manpower, and is suitable for efficient experiments and production requirements.
Owner:UNIV OF SCI & TECH BEIJING

Preparation method of biochar composite material and soil remediation method

ActiveCN121288798AFungiBacteriaFunctional monomerHydrocarbon contamination
The invention belongs to the technical field of soil remediation, and particularly relates to a preparation method of a biochar composite material and a soil remediation method. Comprising the following steps: preparing a charcoal specific adsorption material; preparing an earthworm mucus adhesive; and compounding and granulating the biochar microorganisms. According to the preparation method, phenanthrene is taken as a template molecule, 4-vinylpyridine is taken as a functional monomer, charcoal is taken as a loading material, and the charcoal specific adsorption material capable of specifically recognizing the polycyclic aromatic hydrocarbon pollutants is prepared through a pi-pi stacking effect between phenanthrene and 4-vinylpyridine; the biochar composite material is prepared by taking a biochar specific adsorption material as a loading material of a composite microbial agent, and can specifically adsorb polycyclic aromatic hydrocarbon pollutants in soil, so that microorganisms in the composite microbial agent can continuously degrade the polycyclic aromatic hydrocarbon pollutants such as phenanthrene and pyrene in a large range, and the polluted soil is effectively repaired.
Owner:JIAN COLLEGE

Coal mine pollution gas extraction device

The utility model discloses a coal mine pollution gas extraction device, which relates to the field of mining equipment and comprises a centrifugal fan, an air extraction pipeline and an air exhaust pipeline are fixedly mounted on the centrifugal fan, the tail end of the air exhaust pipeline is connected with a bag-type dust collector, a forming mechanism is arranged below the bag-type dust collector, and the forming mechanism is connected with the air exhaust pipeline. The forming mechanism comprises a machine barrel arranged below the bag-type dust collector, a spiral extrusion rod is rotationally installed in the machine barrel, a forming end cover is fixedly installed at one end of the machine barrel, a driving motor is fixedly installed at the other end of the machine barrel, and a driving shaft is fixedly installed at the output end of the driving motor. A mixing mechanism is arranged between the machine barrel and the bag-type dust collector, a butt joint opening is formed in the machine barrel, and a first transmission shaft is arranged between the driving shaft and the spiral extrusion rod. According to the coal mine pollution gas extraction device, through cooperative use of the mixing mechanism and the forming mechanism, pulverized coal can be made into fuel particles, and pollution of the pulverized coal to the environment is reduced.
Owner:TAIYUAN ENGINEERING HONGANXIANG SAFETY TECHNOLOGY RESEARCH INSTITUTE CO LTD

Application of multifunctional slow-release microspheres cooperatively constructed based on double peroxides in water treatment

The invention relates to a preparation method of a sustained-release microsphere, which is constructed based on the synergistic combination of calcium peroxide (CaO2) and magnesium peroxide (MgO2), is used for consolidating the river regulation effect, and belongs to the technical field of environmental functional materials. Core components of the microspheres comprise CaO2 powder and MgO2 powder which are mixed according to the mass ratio of (4: 1)-(1: 1). The preparation method comprises the following steps: adding CaO2 and MgO2 composite powder into a disc granulator in batches by adopting a low-temperature dry-method rotary granulation process, regulating the rotating speed (20-40 rpm) and the temperature (25-50 DEG C) in stages, synchronously spraying a small amount of deionized water or other solutions as an adhesive, and controlling the humidity to be less than or equal to 5% to prepare spherical particles with the particle size of 1.5-5 mm. According to the invention, the performance of a common CaO2 repairing agent is further optimized on the basis of the common CaO2 repairing agent. The method has the advantages of easily available raw materials, simple process, convenience in operation and low energy consumption, is suitable for the fields of water body remediation and bottom mud passivation, and has industrial popularization value.
Owner:TONGJI UNIV

A device composition and continuous process for producing biodegradable high-molecular slow / controlled-release round granular fertilizer based on a kneader

The application belongs to the technical field of slow / controlled release fertilizer, and particularly relates to a device composition and continuous process for producing biodegradable polymer slow / controlled release round granular fertilizer by reaction extrusion based on a kneader, which sequentially comprises a reactor, a kneader, a cooling conveyor belt, a round granulator and a continuous dryer; a hydroxymethyl urea solution, a composite plastic reinforcing agent, plant essential nutrient elements and carbon-containing solids are kneaded at a certain temperature for a certain time, the obtained viscous material is continuously extruded into a strip by a die head of a screw extruder kneader and is simultaneously guided to slide into the top of the cooling conveyor belt, is conveyed to the round granulator to be granulated into wet round granules, and is solidified and dried to obtain the biodegradable polymer slow / controlled release round granular fertilizer. According to the application, the reaction extrusion is realized by using the kneader, so that the cost investment of the reaction extrusion equipment is greatly reduced; meanwhile, the molding rate and regularity of the round granules are greatly improved by using the formula composition and process control, and the final product has excellent compressive strength.
Owner:ZHONGBEI UNIV +1

Method for making perfume-containing particles

A method of making perfume-containing particles is provided, each of such particles comprising a perfume ingredient, a first carrier and a second carrier, the first carrier comprising a water-soluble and heat-fusible material, the second carrier comprising a water-soluble or water-dispersible particle, 80%-100% by weight of the second carrier being characterized by a particle size in the range of 5 micrometers to 150 micrometers, each of the perfume-containing particles having a mass of 0.1 mg to 5 g and a maximum dimension of 3 mm to 10 mm, the method comprising the steps of: a) providing intermediate particles comprising at least a second carrier and a binder, the intermediate particles being characterized by a maximum dimension in the range of 0.5 mm to 10 mm, the intermediate particles comprising at least a second carrier and a binder, b) mixing the intermediate particles, the perfume ingredient, the first carrier in a molten state, and optionally one or more other ingredients to form a slurry, and c) forming the perfume-containing particles from the slurry.
Owner:PROCTER & GAMBLE CO

Medicine granulating device

The utility model relates to the technical field of medicine granulation, and discloses a medicine granulation device which comprises a stock bin and a rotating roller, supporting legs are supported at the bottom of the stock bin, the rotating roller is rotatably installed on the lower portion inside the stock bin through a rotating shaft, the rotating roller is in transmission connection with a motor installed on the outer surface of the stock bin at the tail end of the rotating roller, and a plurality of stirring rods are evenly fixed to the outer ring of the rotating roller. A discharging port is formed in the bottom of the stock bin, a separation net is fixed in the discharging port, a protruding block attached to the surface of the separation net is integrally arranged at the bottom of the rotating roller, and a liquid spraying pipe is longitudinally fixed to the surface of the inner wall of the upper portion of the stock bin. According to the technical scheme, the plurality of stirring rods are distributed on the outer ring of the rotating roller, the side edge of the rotating roller is integrally provided with the convex block structure, the stirring rods are used for stirring powdery medicament so that the powdery medicament can be agglomerated into blocks, and the bulged blocks are used for extruding the blocky medicament so that the blocky medicament can be divided into particles to be discharged through the separation net. The structure is simpler, and continuous extrusion and efficient granulation work can be realized.
Owner:SICHUAN ZIREN PHARMA

Preparation method of biochar composite material and soil remediation method

ActiveCN121288798BFungiBacteriaFunctional monomerHydrocarbon contamination
The application belongs to the technical field of soil remediation, and particularly relates to a preparation method of a biochar composite material and a soil remediation method. The method comprises the following steps: preparation of a biochar specific adsorption material; preparation of a earthworm mucus adhesive; and compounding and granulation of biochar microorganisms. In the application, phenanthrene is used as a template molecule, 4-vinylpyridine is used as a functional monomer, and biochar is used as a loading material. Through the pi-pi stacking effect between phenanthrene and 4-vinylpyridine, the biochar specific adsorption material with specific recognition of polycyclic aromatic hydrocarbon pollutants is prepared. The biochar specific adsorption material is used as a loading material of a composite microbial agent to prepare a biochar composite material. The biochar composite material can specifically adsorb polycyclic aromatic hydrocarbon pollutants in the soil, so that the microorganisms in the composite microbial agent can continuously degrade a large range of polycyclic aromatic hydrocarbon pollutants such as phenanthrene and pyrene, and the contaminated soil is effectively remediated.
Owner:JIAN COLLEGE

Process for preparing guanidinoacetic acid comprising granulates

The present application relates to a process for preparing guanidinoacetic acid comprising granulates, comprising the steps of a) providing a fermentation broth comprising guanidinoacetic acid and biomass, b) reducing the content of water in the fermentation broth provided in step a) to give a concentrated fermentation broth, and c) subjecting the concentrated fermentation broth of step b) to a wet granulation.
Owner:EVONIK OPERATIONS GMBH

Adjustable wet mixing granulator

The utility model discloses an adjustable wet mixing granulator which comprises a rack, a granulating pot is arranged on the rack, a stirring shaft is arranged in the granulating pot, a cutting knife is arranged on the granulating pot, a pot cover is arranged on the granulating pot, a slurry adding device is arranged on the pot cover, a discharging pipe is arranged on the granulating pot, and a first telescopic electric cylinder is arranged on the pot cover. The output end of the first telescopic electric cylinder is provided with a rotating motor, the output end of the rotating motor is connected with a filtering disc, the filtering disc is of a hollow structure, a plurality of filtering holes are formed in the surface of the filtering disc in a penetrating mode, an opening is formed in the bottom of the filtering disc, and a discharging pipe is arranged at the bottom of the granulating pot in a penetrating mode and connected to the rack; a discharging port is formed in the upper portion of the discharging pipe, the discharging pipe is vertically and movably sleeved with a movable cover, the bottom face of the movable cover is connected with one end of a spring, the other end of the spring is connected to the discharging pipe, the filtering disc is driven by the rotating motor to rotate, the mobility of medicine particles on the filtering disc is improved, the filtering efficiency is improved, and material blocking is prevented.
Owner:HAINAN WEIJIAN PHARMACEUTICAL CO LTD

Catalyst balling device

The utility model discloses a catalyst balling device and relates to the technical field of catalysts. The device comprises a supporting assembly, a mixing assembly and a stirring assembly, the supporting assembly comprises a supporting plate, the supporting plate is installed on an external rack, a balling column is installed at the top of the supporting plate, the mixing assembly is installed above the supporting plate, the mixing assembly comprises a ball dripping box, and two conduction rods are fixedly arranged in the ball dripping box; a conducting hole corresponding to the conducting rod is formed in the bottom of the ball dripping box, a plurality of drippers are fixedly arranged at the bottom of the ball dripping box, and the stirring assembly is installed in the ball dripping box and comprises a stirring rod. According to the utility model, the adding amount of a catalyst and a binder is controlled through the mixing component, the catalyst and the binder are uniformly stirred through the stirring group, the stirred binder falls into the balling column through the dropper, and finally, the mixture is shrunk into a sphere by utilizing an oil ammonia forming method, so that a spherical catalyst is obtained finally. And the catalytic efficiency of the generated spherical catalyst in use is improved.
Owner:TANGSHAN JINSHUO CHEM CO LTD

Method for preparing Li2TiO3 tritium breeding microspheres and rich phase structure by centrifugal granulation batch

The present application relates to the technical field of preparation of tritium breeder, in particular to a method for batch preparation of Li2TiO3 tritium breeding microspheres and rich phase structure by centrifugal granulation, comprising the following steps: S1, Li2TiO3 ceramic powder is pretreated by spray granulation, then sprayed with a solution of xanthan gum for granulation, and sieved to obtain a green body; S2, the green body is added into a centrifugal granulator, and a second binder solution is sprayed at the same time, so that Li2TiO3 microsphere seeds with a preset diameter are generated by centrifugal granulation; S3, then the second binder solution is sprayed while lithium-containing ceramic powder is added for granulation and bonding; S4, the process of S3 is repeated until ceramic microsphere green bodies with the required diameter are obtained; S5, then deionized water is sprayed in the granulator and continues to roll for 3-8 min; S6, the ceramic microspheres obtained in S5 are dried at constant temperature and humidity, degummed, and sintered. The method can realize batch preparation of high-lithium-content tritium breeding microspheres with single-phase structure or multi-phase structure.
Owner:UNIV OF SCI & TECH BEIJING