11results about How to "Overcome adsorption" patented technology

The invention relates to a high-purity isopropanol purification method based on modified resin, which comprises the following steps: adding activated carbon into an isopropanol mixed solution, decolorizing the isopropanol mixed solution, carrying out primary impurity adsorption, and removing particulate matters and macromolecular impurities meeting activated carbon adsorption conditions in the isopropanol mixed solution. The method comprises the following steps: carrying out primary dehydration through a 4A molecular sieve, adding hydrogen-type strong-acid cation exchange resin and hydrogen-oxygen type strong-base anion exchange resin into an isopropanol mixed solution, and removing positive ions and negative ions in the isopropanol mixed solution; the macroporous alkalescence anion exchange resin of the styrene-divinylbenzene copolymer is added, so that the content of residual acid and alkali is lower than 10ppb. The ionic liquid is fixed on hydrogen type strong-acid cation exchange resin and hydrogen-oxygen type strong-base anion exchange resin, and alcohol, ketone and organic acid impurities are removed. And carrying out fractional rectification on the isopropanol mixed solution, and removing light and heavy components to obtain isopropanol with the purity not lower than 99.999%.

The invention relates to the technical field of die casting machines, and discloses a non-ferrous metal high-pressure casting process and device.The process comprises the following steps that S1, firstly, non-ferrous metal raw materials are molten, and molten metal is obtained; s2, then, the inner mold cavities of the fixed mold and the movable mold are internally coated with a release agent; and S3, the fixed mold and the movable mold are closed, the inverted trapezoidal block is locked, before mold splitting, an insertion block is driven by a reset assembly to move out of an insertion hole, so that the inverted trapezoidal block is unlocked, and in the unlocking process, the reset assembly drives a lower pressing plate to descend through a lower pressing assembly to abut against an extension block, so that the fixed mold overcomes the strong adsorption force after a high-pressure casting is formed, and the high-pressure casting is formed. When the movable mold moves upwards to implement mold splitting, the force which threatens the lifting of the fixed mold originally is effectively dispersed, so that the fixed mold is always stabilized in situ, and deformation and damage caused by mutual traction between the molds are avoided.

The utility model relates to the technical field of routers, in particular to a network router capable of being hung. According to the technical scheme, the device comprises a supporting frame, a shell and a fixing plate, buckles are installed on the outer walls of the two sides of the supporting frame, the shell is arranged in the supporting frame, a circuit board is arranged in the shell, a protection plate is arranged on the outer side of the shell, the fixing plate is arranged on the outer side of the supporting frame, and a fixing block is installed on one side of the outer wall of the upper end of the supporting frame. By arranging the magnet body, the clamping sleeve and the fixing plate, the effect of conveniently plugging and unplugging the data line is achieved, the jack part of the circuit board faces upwards, a worker can conveniently plug and unplug the data line, the board plugging difficulty of the data line is reduced, and the use comfort of the equipment is improved.

The application relates to the technical field of battery electrolyte recovery, and discloses a scrapped battery electrolyte recovery equipment, which comprises a processing unit used for containing scrapped batteries to be processed, a piercing mechanism arranged in the processing unit and used for piercing the explosion-proof valves of the scrapped batteries, a vacuum pump one connected with an air outlet of the processing unit and used for vacuumizing the processing unit and discharging gaseous electrolyte, a negative pressure gas-liquid separator arranged on a pipeline between the processing unit and the vacuum pump one and used for preliminarily separating the discharged gaseous electrolyte, and a gas storage tank with an air inlet connected with an air outlet of the vacuum pump one and used for temporarily storing the gas discharged by the vacuum pump one. In the fine recovery scheme, three-stage pressurization and two-stage heat exchange and liquefaction in each stage of the gradient pressurization section are adopted, so that the overall recovery rate of the electrolyte is remarkably improved, fine separation of various components is realized, the subsequent separate recycling is facilitated, and the resource value is improved.

This utility model belongs to the technical field of air supply ceilings, specifically relating to a soundproof laminar flow air supply ceiling. This ceiling is connected to a base plate via a rubber ring. The rubber ring has good elasticity and sealing properties, acting as a buffer to reduce vibration transmission between the base plate and the ceiling body, thereby reducing noise caused by vibration and improving sound insulation. The combination of a metal fixing ring and a magnetic ring allows the perforated plate to be directly fixed to the fixing holes on the underside of the laminar flow air supply ceiling by magnetic force, greatly saving installation time. When the perforated plate needs to be disassembled for cleaning, replacement, or repair, only a certain external force needs to be applied to overcome the magnetic attraction of the ring to separate the perforated plate from the metal fixing ring. Therefore, the perforated plate can be easily and quickly disassembled and assembled without additional tools, improving ease of use.

The utility model discloses a kind of stacked aluminium plate separation assemblies, including the support frame of fixedly arranged on support rod, support frame inside can form containing space, containing space can supply stacked aluminium plate to place, and stacked aluminium plate can be by the pulling equipment of setting on support rod uniform speed to support frame lift, push material roller and counter-push column are rotationally arranged on the support frame, push material roller and counter-push column are driven reverse rotation by power component, and push material roller is arranged at the top of containing space, to forward rotation the top aluminium plate of stacked aluminium plate is pushed out containing space, counter-push column is arranged below at the exit of containing space, to reverse rotation to push the aluminium plate below adhered to aluminium plate to realize the separation of adhered aluminium plate;The contact area of push material roller and aluminium plate is greater than the contact area of counter-push column and aluminium plate, to drive top aluminium plate to separate from containing space to next station. To solve the problem that aluminium plate separation assembly structure in the prior art is complex preparation and subsequent maintenance cost is higher.

The invention discloses a neutralization solution soluble protein removal method based on resin adsorption, and relates to the technical field of biochemical separation.The method comprises the following steps that S1, an organic acid fermentation neutralization solution is provided and pretreated; s2, sequentially introducing the pretreated neutralization solution into a first adsorption unit and a second adsorption unit for serial adsorption; the first adsorption unit is filled with hydrophobic adsorption resin; the second adsorption unit is filled with adsorption resin with weak anion exchange groups or affinity ligands; and S3, respectively carrying out regeneration treatment on the resin filled in the first adsorption unit and the second adsorption unit. According to the method, a double-stage series adsorption system is adopted, the problems of ion shielding effect and competitive adsorption under high ion strength are effectively solved, the protein removal rate is as high as 96.8% and is remarkably superior to that of a traditional technology, and the product purity is greatly improved.

The invention discloses a TiO2-loaded manganese-cerium oxide catalyst as well as a preparation method and application thereof, and aims to solve the technical problem that the oxidation efficiency of a manganese-cerium-based catalyst is not ideal at low temperature in the prior art. According to the catalyst, ammonium sulfate modified TiO2 is used as a matrix, and manganese cerium oxide with the load content of 0.1%-20% is used as an active component. The preparation method comprises the following steps: preparing an ammonium sulfate modified TiO2 carrier, mixing a manganese-cerium precursor solution with the carrier, treating, and loading the active component. According to the scheme, the low-temperature catalytic oxidation performance is improved by enhancing the acidity of the carrier and the synergistic effect of the active components.

The invention relates to the technical field of bridge engineering construction, and discloses a box girder internal mold dismantling device which comprises a bearing cross beam system, a supporting cross beam system, a supporting cross beam system and a supporting cross beam system, the upper end of the screw jacking system is vertically arranged on the bearing cross beam system, the lower end of the screw jacking system is provided with a pressure bearing part, and the pressure bearing part abuts against the inner top face of the box girder inner mold; and the flexible buffer layer is arranged on the outer surface of the box girder inner mold and is used for isolating the box girder inner mold from the inner wall of the box girder concrete during mold removal. According to the box girder internal formwork dismantling device, the technical problem that in box girder prefabricating construction, when an internal formwork is dismantled, the inner wall of box girder concrete is prone to being scratched, collided and the like can be solved.

This invention provides an underwater crawling detection device and method for fuel pool welds. The underwater crawling detection device for fuel pool welds is deployed in the underwater environment of a fuel pool. The device includes a magnetic adsorption unit and a crawling drive unit. The magnetic adsorption unit adjusts the magnetic force through a controllable magnetic field strength adjustment mechanism. The underwater crawling detection method for fuel pool welds employs a multi-modal detection unit combined with ultrasonic, camera, and electromagnetic sensing technologies. A deep learning multi-modal fusion algorithm is used to accurately identify and analyze weld defects. The simultaneous acquisition and processing of multi-modal data comprehensively captures the weld's appearance, internal structure, and electromagnetic response information. Furthermore, it can generate defect judgment results and three-dimensional position mappings through comprehensive analysis, improving the accuracy of defect assessment and weld safety assessment, and providing a scientific basis for subsequent maintenance plan development.

The utility model relates to an anti-mistaken-picking connecting device for a breathing mask and the breathing mask, and relates to the technical field of ventilation treatment. The mistaken-picking-preventing connecting device for the breathing mask comprises a first connecting assembly and a second connecting assembly, and the first connecting assembly and the second connecting assembly are attracted to each other in a magnetic attraction mode in the first state; the first connecting assembly and the second connecting assembly are further provided with separation structures, and the separation structures are configured to enable one of the first connecting assembly and the second connecting assembly to move to the second state relative to the other one, so that the first connecting assembly and the second connecting assembly are separated from each other. The device further comprises a reset assembly, the reset assembly is connected with one of the first connecting assembly and the second connecting assembly, and the reset assembly can enable the first connecting assembly or the second connecting assembly to restore the initial state after the first connecting assembly and the second connecting assembly are separated from each other.