10results about How to "Increased crush strength" patented technology

The present application relates to a kind of micro CO efficient removal adsorbent and its preparation and application, the preparation method includes the following steps: (1) active carbon powder, active component A, inorganic clay and dispersing agent are placed in ball mill and are uniformly ground, and mixture material is obtained;(2) active component B and the water solution of reducing agent are atomized and sprayed into the mixture material, then glue is added, and wet material is obtained;(3) wet material is extruded into shape by template, after heat reduction, after drying, calcination, CO removal adsorbent is obtained, i.e. target product;Active component A is monovalent copper salt, and active component B is the mixture of lanthanum chloride and at least one of cerium chloride or yttrium chloride.The strength and adsorption capacity of the CO removal adsorbent of the present application are increased by more than 30% and 25% respectively, the strength is ≥40N / cm, the wear is ≤1.5wt%, the CO adsorption capacity is ≥35ml / g (40℃), the removal precision can reach below 0.01ppm, suitable for the efficient purification of trace CO in hydrogen, nitrogen and other raw gas.

The utility model relates to the field of medicine packaging boxes, and discloses an anti-pressure medicine packaging box which comprises an outer shell, a folding part used for containing an ampere bottle is arranged in the outer shell, a drawing structure is arranged in the area, located on the innermost side of the outer shell, of the folding part, and the drawing end of the drawing structure extends to an opening of the outer shell. A continuous V-shaped structure is formed by folding parts in the packaging box and the connecting transverse plates through the inclined paperboards, and a triangular supporting system is formed by the adjacent inclined paperboards and the inner wall of the shell. According to the geometric structure, external extrusion force can be decomposed into component force in multiple directions, the stability principle of a triangle is utilized, the pressure is evenly dispersed to the whole packaging frame, and local stress of the ampere bottles is avoided. Tests show that compared with a traditional buffer cotton package, the anti-extrusion strength of the structure is improved by more than 60%, and the risk of bottle body breakage in the transportation process is effectively reduced.

The invention relates to the technical field of breeding, in particular to a feeding device and method for factory ricefield eel breeding, and the feeding device comprises a charging barrel, a feeding port, a boss, a connecting block, a side shaft and a spiral cutter. According to the feeding equipment and method for factory-like ricefield eel breeding, through alternate arrangement and sliding fit of bosses and connecting blocks, an adjustable multi-layer stirring structure is formed, through cooperation with a spiral cutter on a side shaft, materials in a charging barrel can be stirred and crushed in all directions, through meshing fit of a first outer gear ring and a gear ring, the feeding efficiency is improved, and the feeding efficiency is improved. The connecting ring drives the top shaft and the connecting piece to rotate around the axis of the top shaft while driving the connecting piece to slide in the circumferential direction, and due to the compound motion, the spiral cutter on the side shaft can do circular motion along with the connecting piece to cover a larger stirring range in the charging barrel, and the material stirring uniformity and the crushing efficiency can be greatly improved.

The utility model belongs to the technical field of coal mine mechanical equipment, and aims to solve the problem of lower smashing resistance of a coal feeder. According to the automatic control device for the coal feeder of the coal bunker, the coal feeder is erected above a belt conveyor through a coal feeder vibration reduction base, the coal bunker is located above the coal feeder and connected with a feeding port of the coal feeder through a coal flowing nozzle, and a vibration machine is installed on the side wall of the coal feeder and used for vibrating accumulated coal in the coal feeder to loosen the accumulated coal. The coal feeder gate is rotationally connected to a coal outlet of the coal feeder through the rotating mechanism, the coal feeder and the coal flowing nozzle are each provided with a water coal sensor and a vibration sensor, and the rotating mechanism, the water coal sensors, the vibration sensors and the vibration machine are all electrically connected with the controller. The dustpan of the coal feeder is transformed into a floor supporting type, and the buffering device is additionally arranged, so that the anti-smashing capacity can be improved; and meanwhile, the horizontal bottom of the coal receiving dustpan at the bottom of the coal slipping bunker is transformed, so that a certain amount of coal is always stored at the bottom of the dustpan, and the buffering effect is achieved.

The invention provides an auxiliary material formula of a magnetic powder core and the magnetic powder core, and belongs to the technical field of magnetic cores. The auxiliary material formula of the magnetic powder core comprises organic silicon resin, an active additive, an insulation enhancer, a lubricant and a solvent; the active additive is aluminum acetylacetonate or zirconium acetylacetonate; the insulation reinforcing agent is hexagonal boron nitride or modified boron nitride; the modified boron nitride is silane coupling agent surface modified boron nitride; the lubricant is selected from at least one of amide wax, oxidized polyethylene wax and maleic anhydride grafted polyethylene wax. The auxiliary material formula is used for carrying out surface coating, compression molding and heat treatment on the magnetic powder to form the magnetic powder core. The invention provides an auxiliary material formula with ultrahigh magnetic conductivity, ultralow loss, excellent direct-current bias and high-temperature stability, and the auxiliary material formula is used as an insulating coating material of a magnetic powder core; the magnetic powder core prepared by the preparation method disclosed by the invention realizes extremely low power loss while keeping high magnetic conductivity.

This application belongs to the technical field of aluminum-plastic door and window profiles, and discloses an aluminum-plastic door and window profile with enhanced wind pressure resistance, including a top plastic profile, a middle aluminum profile, and a bottom plastic profile. The bottom of the top plastic profile has a middle aluminum profile at its bottom, and the bottom plastic profile has a bottom plastic profile at its bottom. A support block is provided inside the top plastic profile, and the support block has several equidistantly distributed pressure-resistant grooves inside. A connecting component is provided between the top plastic profile and the middle aluminum profile, and a support component is provided between the middle aluminum profile and the bottom plastic profile. Baffles are provided on both sides of the top of the bottom plastic profile. This application enhances the connection strength between the top plastic profile and the middle aluminum profile by providing connecting components, and enhances the connection strength between the bottom plastic profile and the middle aluminum profile by providing support components, thereby improving the wind pressure resistance and strength of the aluminum-plastic door and window, and increasing the stability and service life of the door and window.

The present application relates to the technical field of steel metallurgy, and particularly relates to a method and system for coking of biomass tar in cooperation with coal blending. The method comprises the following steps: biomass tar grading pretreatment: sequentially performing pre-hydrogenation desulfurization, deoxidation and alkali removal on the biomass tar to obtain pretreated biomass tar; coal blending and coking: heating and coking the pretreated biomass tar mixed with base coal to obtain coke. The method solves the problem of poor coal blending compatibility caused by high viscosity and high oxygen and sulfur content of the biomass tar through "grading pretreatment-coal blending and coking-catalyst regeneration", and reduces the negative impact of alkali in the biomass tar on the strength of coke in the coking process.

This invention discloses a method for preparing a porous material, comprising the following steps: (1) mixing water, a pore-forming agent, a carbon source, and an extrusion aid, kneading to form a plastic body; (2) sealing and storing the plastic body for a certain period of time, kneading the plastic body again, extruding it into shape, and then hydrothermally treating the shaped particles under sealed conditions; (3) drying the product after hydrothermal treatment in step (2), and then subjecting it to low-temperature calcination and high-temperature calcination under an inert atmosphere; (4) activating the product from step (3) with water vapor, drying it, and obtaining a porous material. The porous material of this invention has carbon particles of a certain shape, with large-sized through channels inside the particles, high crushing strength, and strong wear resistance, and has good application prospects in catalysis, adsorption separation, and other fields.

The utility model discloses a multilayer reinforced protection type packing carton, including the box body, the top of box body is provided with the box cover, the box body and box cover all include white cardboard layer, the surface fixedly connected with corrugated paperboard layer of white cardboard layer, one side of corrugated paperboard layer is provided with first function layer, first function layer includes honeycomb paperboard layer and EVA bubble cotton layer, one side of first function layer is provided with second function layer. The utility model discloses through setting up corrugated paperboard layer, utilizes the mechanical characteristic of corrugated structure, promotes the compression strength and the bending resistance of packing, supports the stacking weight, disperses external pressure, reduces local stress deformation, especially suitable for heavy object packing or transportation scene, through setting up honeycomb paperboard layer, the honeycomb three -dimensional structure provides excellent compression resistance and impact resistance, effectively absorbs external impact force, light in weight but high in strength, can promote the protection effect under the premise of not increasing packing weight, is suitable for transportation scene.

This invention relates to the field of catalysts for the gas-phase Beckmann rearrangement reaction of cyclohexanone oxime, and discloses a method for preparing the catalyst and the method for the gas-phase Beckmann rearrangement reaction of cyclohexanone oxime. The method includes: mixing a molecular sieve mother liquor, an organosilicate, an organic template agent, and KOH to obtain a colloidal mixture; subjecting the colloidal mixture to a crystallization reaction; separating the obtained crystallization product into a solid-liquid mixture to obtain a wet molecular sieve and a crystallization mother liquor; drying the wet molecular sieve to obtain a raw molecular sieve powder; optionally mixing the raw molecular sieve powder with a binder, and then rotating it to obtain spherical particles; calcining the spherical particles, and then contacting them with an alkaline buffer solution containing ammonium salt, ammonia, magnesium salt, and bromide salt. This catalyst, when applied in fixed-bed or moving-bed reactions, enables long-cycle, continuous production of caprolactam with a high conversion rate of cyclohexanone oxime.