99results about "Granulation with special binding agents" patented technology

The present invention relates to a porous composite feedstock for metal chloride preparation, comprising a metal oxide containing material,; and / or a first additive; and a binder; wherein the porous composite feedstock is in particulate form; wherein the water content of the porous composite feedstock is in the range of from 0.01 to 5 wt.% based on the weight of the porous composite feedstock; and wherein the porous composite feedstock has a poured bulk density in the range of from 0.2 g / cm3 and 2.0 g / cm3.

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.

The invention discloses inorganic composite anhydrous calcium chloride and a preparation method thereof, and belongs to the technical field of chemical engineering. According to the preparation method, granular anhydrous calcium chloride is bonded to obtain a large-particle product of 20 mm by adopting an organic adhesive, so that the product has higher compactness, is not easy to decompose by moisture and hot gas, and can more smoothly settle to the lower part of a material layer to participate in reaction, and the effective conversion rate can reach 95% or above. The hydrogen chloride gas generated by decomposing calcium chloride in water is corrosive, the loss of large-particle products is small, the large-particle products are easier to settle below a material layer, and the chance of being adsorbed by a dust removal system is reduced, so that the content of chloride ions in the silica fume is remarkably reduced. The preparation method is simple and feasible in process and low in cost, large-scale industrial production is easy to realize, and various detection indexes of the prepared anhydrous calcium chloride meet the national standard.

Provided are compositions and methods for the instant hydration of polyacrylamide granules of particle size greater than 500 µm comprising the same polyacrylamide powder of particle size less than 500 µm; and a binding agent or agents. More particularly, the polyacrylamide powder is combined with a water-destroyable binding agent forming polyacrylamide granules, which instantly hydrates when added to water.

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.

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.

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.

The invention provides a lanthanum-loaded fluorite ball seed crystal and a method for treating fluorine-containing wastewater by using the lanthanum-loaded fluorite ball seed crystal. The preparation method of the lanthanum-loaded fluorite ball seed crystal comprises the following steps: firstly, mixing sodium silicate and polyacrylamide, and ultrasonically and uniformly dispersing the mixture in an aqueous solution to obtain a composite binder; then calcium fluoride powder and a composite binder are evenly mixed and then put into a pelletizer to be pelletized, and fluorite ball particles are obtained after the mixture is taken out and dried; and finally, soaking the obtained fluorite ball particles in a lanthanum solution, and roasting to obtain the lanthanum-loaded fluorite ball seed crystal. When the lanthanum-loaded fluorite ball seed crystal is used for fluorine-containing wastewater treatment, the fluorite ball is used as the seed crystal to induce calcium fluoride to crystallize on the surface of the fluorite ball, and fluorine ions in a solution are effectively removed. According to the method, the fluorine removal rate is high, fluorite ball seed crystals after induced crystallization and calcium fluoride loaded on the surface of the fluorite ball seed crystals are high in purity and can be recycled for the second time, waste such as sludge is not generated in the reaction process, and therefore an additional foreign matter removing device is not needed.

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).

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.

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.

The present application relates to a method for preparing a granule comprising guanidinoacetic acid, the method comprising the steps of: a) providing a fermentation broth comprising guanidinoacetic acid and biomass; b) reducing the water content in the fermentation broth provided in step a) to obtain a concentrated fermentation broth; and c) subjecting the concentrated fermentation broth of step b) to wet granulation.

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.

The utility model discloses drying equipment for continuous granulation, and particularly relates to the technical field of granulation drying, the drying equipment comprises a box body, an air bellow, an L-shaped pipe, a feed port and a discharge port, the air bellow is located at the bottom of the box body and is connected with the box body, an air inlet pipe is arranged on the surface of the air bellow, the feed port and the discharge port are both arranged on the side wall of the box body and are communicated with an inner cavity of the box body, and the L-shaped pipe is arranged in the box body. An L-shaped pipe is arranged at the top of the box body, and a spray head is arranged at one end of the L-shaped pipe and installed in an inner cavity of the box body; adjusting assemblies are arranged at the bottom of the inner cavity of the box. By arranging the adjusting assembly, in the discharging process, the hydraulic rod is used for pushing the finished product quantitative filtering plate to move towards the discharging opening, meanwhile, powder raw materials and granulation finished products are filtered through the finished product quantitative filtering plate, and the finished products on the surface of the finished product quantitative filtering plate are discharged through the discharging opening through the discharging device; therefore, the phenomenon that fine raw materials are discharged together in the discharging process of finished products is reduced.

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.

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.

The invention provides expanded perlite with a porcelain shell and a preparation method and application thereof, and the preparation method comprises the following steps: pretreating perlite ore to obtain first perlite particles; proportioning the first perlite particles and a binder according to a mass ratio, and uniformly mixing the first perlite particles and the binder to obtain second perlite particles; sequentially adding vitreous cladding powder and porcelain cladding powder into the second perlite particles for granulation to sequentially obtain A-type third perlite particles and B-type third perlite particles; carrying out drying and preheating treatment on the B-type third perlite particles to obtain fourth perlite particles; and carrying out high-temperature expansion treatment on the fourth perlite particles to obtain the expanded perlite with the porcelain shell. The ceramic shell expanded perlite prepared by the invention has a shell / core composite structure, the shell is a ceramic layer formed by sintering a ceramic cladding component, the core is an expanded product of the first perlite particles, and the ceramic shell expanded perlite has the characteristics of high expansion time, small bulk density, high cylinder compressive strength, low heat conduction coefficient, small water absorption rate, acid and alkali corrosion resistance and the like.

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.

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.

A particle-containing fiber bundle having high uniformity and further improved feed efficiency, and a production method of the same are provided. The particle-containing fiber bundle production method of the present invention is for producing a particle-containing fiber bundle having a prolate spheroidal shape or a strand shape, the production method including a step of mixing a plurality of shortened fibers, particles having a median diameter of 100 µm or less, an organic binder, and a liquid, in which the fibers include carbon fibers, and the particles are used in an amount of 10 parts by mass or more with respect to 100 parts by mass of the fibers.

The present disclosure relates to a dried biological composition comprising at least one silica, a mixture of polysaccharides and glycoproteins, at least one microorganism, at least one sugar or sugar alcohol, and a resin. The dried biological composition is produced by the steps of (a) mixing at least one silica, a mixture of polysaccharides and glycoproteins, at least one microorganism, and at least one sugar or sugar alcohol in an aqueous solution, (b) spray drying the mixture of (a), and (c) coating the spray-dried mixture (b) with a compound comprising a resin in a fluidized bed. The composition is intended for agricultural applications such as foliar application or seed treatment.

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.

The present invention relates to a self-floating composite agent for treating toxic algae blooms in water bodies and a preparation method thereof. The self-floating composite agent is made of the following raw materials in parts by weight: 35-45 parts of an algae control active substance; 15-20 parts of an adhesive; 0-20 parts of a hydrophobic modifier; 0-5 parts of an organic acid; 3-10 parts of a flocculant; 0-20 parts of a lightweight auxiliary material; 0-3 parts of a bulking agent; and 0-6 parts of an anti-adherent agent. The present invention also provides a method for preparing the above-mentioned composite agent characterized by fluidized coating or extrusion granulation. The advantage of the present invention is that the prepared composite agent can float on the water surface and slowly release the active ingredient on the surface of the water body, continuously and accurately controlling the toxic algae blooms in the surface water column of the water body, and continuously and slowly releasing the algae control ingredients, significantly prolonging the maintenance time of the algae control effect. In the process of gradually spreading and sinking to the bottom of the water column, it also has a significant inhibitory effect on the harmful algae blooms in the middle and bottom of the water column.

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

The invention provides a drum-type fly ash granulation device based on segmented dynamic regulation and control. The drum-type fly ash granulation device comprises a drum assembly and a regulation and control unit, the roller assembly is of a multi-section split structure and at least comprises a forming roller and a compacting roller which are arranged adjacently. The granulation device further comprises a first driving assembly arranged at the bottom of the forming roller and a second driving assembly arranged at the bottom of the compacting roller, and the first driving assembly and the second driving assembly are configured to be capable of independently adjusting the rotating speed. At least two stages of porous extrusion plates and spacing adjusting mechanisms connected with the porous extrusion plates are arranged in the compacting roller; a plurality of extrusion through holes are formed in each porous extrusion plate, and the porous extrusion plates of different levels are connected through a distance adjusting mechanism. The adjusting control unit is used for adjusting the rotating speed of the forming roller and the rotating speed of the compacting roller based on the set target particle size of finished product particles. And the adjusting control unit is further used for adjusting the spacing position of the adjacent porous extrusion plates based on the set target particle size of the finished product particles.

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.

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.

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.

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.

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.