50results about How to "Speed up entry" patented technology

The utility model provides a kind of processing workshop's monitoring device, it is related to workshop monitoring technical field, including base;The top middle position of base is fixedly connected with the bottom middle position of lifting stand, and the top middle position of lifting stand is fixedly installed with motor, and the rotating shaft of motor is provided with thread, and the rotating shaft of motor is located inside the front end position of lifting stand. Through the cooperation of motor, lifting stand and lifting seat, when motor rotating shaft rotates, thread drive is used to drive lifting seat to slide up and down along lifting stand, so that the height of dust monitor is easily adjusted, which enables the device to adapt to the dust monitoring needs of different height areas in the processing workshop, and expands the monitoring range. The height of the monitoring device is fixed, and the height of the monitoring position cannot be flexibly adjusted according to the dust distribution characteristics of different areas in the workshop, which leads to limited monitoring range and difficulty in fully reflecting the dust concentration situation in the workshop.

The utility model relates to the technical field of Pu'er tea pile fermentation, and discloses a pile fermentation device for improving the fermentation quality of Pu'er tea, which comprises a workbench, the bottom of the workbench is fixedly connected with a pile fermentation box, the front part of the pile fermentation box is provided with a blanking door, and the left side of the pile fermentation box is provided with a plugging mechanism. A discharging mechanism is arranged on the front portion of the pile fermentation box, the inserting and pulling mechanism is composed of a driving assembly and an auxiliary assembly, the auxiliary assembly comprises a moving block, an inserting and pulling rod, moving wheels, a sliding groove frame and a protruding block, the moving block is installed on the left side of the pile fermentation box, and the inserting and pulling rod is fixedly connected to the right side of the moving block. According to the Pu'er tea pile fermentation device, under the action of the moving block and the inserting and pulling rod, the inserting and pulling rod is inserted into a Pu'er tea pile in the Pu'er tea pile fermentation process, a certain hole is formed in the Pu'er tea pile, air can enter the Pu'er tea pile, the ventilation condition is improved, and a better oxygen condition is provided for activity of microorganisms.

This invention relates to the field of heated cigarette technology, specifically disclosing a filter tip structure and molding method. The filter tip structure includes: a filter rod core, molding paper, and multiple plugs. The filter rod core is cylindrical, and the molding paper is fixedly sleeved on the outer circumferential surface of the filter rod core. The molding paper has multiple guide holes arranged in an array, with m rows along the circumference of the filter rod core and n columns along the axial direction of the filter rod core, where m and n are both integers greater than 0. The multiple plugs are arranged one-to-one with the multiple guide holes, and the plugs can block the guide holes. With this configuration, the smoker can manually remove the plugs before actually smoking. Removing the plugs increases the entry of side airflow, thereby increasing the ventilation rate of the heated cigarette and reducing the draw resistance during smoking. At the same time, removing the plugs can cause the microcapsules containing flavoring to rupture due to friction, releasing the flavoring and giving the smoke its characteristic aroma, effectively improving the smoker's smoking experience.

This invention relates to the field of ceramic composite metal casting technology, and discloses a method and apparatus for producing ceramic composite iron-based wear-resistant castings. The production method involves treating ceramic particles with decontamination, coarsening, sensitization, activation, and chemical plating to obtain modified ceramic particles; mixing and stirring the modified ceramic particles and a coating material to obtain a ceramic preform; fully heating the ceramic preform; then removing it and placing it into a mold cavity to obtain a mold; heating the mold in a tank; pouring molten iron after heating; and cooling after casting to obtain the ceramic composite iron-based wear-resistant casting. This invention also discloses a production apparatus for ceramic composite iron-based wear-resistant castings. This invention, employing the above-mentioned method and apparatus for producing ceramic composite iron-based wear-resistant castings, promotes the composite of ceramic and molten metal from a casting process perspective, ensuring that the molten metal can penetrate the fine pores of the ceramic preform, resulting in a good interface bonding between the high-chromium cast iron and ceramic particles, without unbonded or microscopic gaps.

This invention discloses a hard carbon material with ultra-high platform capacity, its preparation method, and its applications. The hard carbon material is prepared by hydrothermal reaction and high-temperature carbonization, with a particle size of 2-4 μm, a pore size of 0.4-200 nm, and a specific surface area of ​​no more than 15 m². 2 / g, with a platform capacity ratio of not less than 40%; the preparation method of hard carbon material is as follows: S1: Add surfactant to pectin aqueous solution for hydrothermal reaction, and obtain hard carbon microspheres after filtration and drying; S2: Carbonize the hard carbon microspheres of S1 at high temperature under an inert atmosphere, and obtain hard carbon material with ultra-high platform capacity after cooling. The hard carbon material of the present invention can be used as a negative electrode material for lithium-ion batteries, which can significantly improve the platform capacity ratio.

This invention relates to a multi-stage interception and automatic impurity removal wastewater treatment device, comprising: an impurity removal chamber, wherein a filter screen is provided inside the impurity removal chamber and a filter screen cleaning mechanism is provided on the outer side wall; a collection chamber, wherein an opening and closing mechanism is formed inside; and a disinfection chamber, wherein a disinfection mechanism is provided inside. The beneficial effects of this invention are: by providing a multi-stage filter screen with progressively smaller pore sizes at the top of the impurity removal chamber, the device's removal effect on solid impurities in wastewater is enhanced; by providing a filter screen cleaning mechanism, the self-cleaning ability of the filter screen is improved, solving the problems of easy clogging and time-consuming and laborious filter screen cleaning in traditional water treatment equipment, effectively improving the automation level and continuous operation capability of the device; by providing a disinfection mechanism, the air intake of the device and the probability of air ionization are increased, improving the air ionization efficiency, thereby increasing the concentration of active purification components in the disinfection gas; making disinfection more thorough and effective, and improving the disinfection effect of the device.

The application relates to the technical field of injection molding equipment, and discloses a resin molding device with controllable foaming ratio and high precision, which comprises a foaming assembly, the foaming assembly comprises a fat dissolving cylinder, one side of the fat dissolving cylinder is fixedly connected with an airflow dispersion assembly in communication, the bottom of the fat dissolving cylinder is fixedly connected with a bubble liquid cylinder, the inner side of the top of the bubble liquid cylinder is slidably sleeved with a piston pressure plate, characterized in that the bottom of the inside of the fat dissolving cylinder is rotationally connected with a uniform cylinder assembly, the top of the fat dissolving cylinder is connected with a heating kettle in communication, the inner side of the heating kettle is rotationally sleeved with a rotating shaft, the side of the rotating shaft is fixedly sleeved with a stirring element, the bottom end of the rotating shaft is fixedly connected with a heating plate wheel, the top of the foaming assembly is fixedly connected with a fat melting assembly in communication, and the bottom of the foaming assembly is fixedly connected with a solidification assembly in communication, so that the resin and the bubbles are uniformly mixed and discharged, and the problem that the microcellular foaming material is defective due to the non-uniform bubbles is avoided.

This application belongs to the technical field of metal processing equipment and discloses a mold cooling device for precision metal hardware production and processing. It includes two molds that fit together, each mold having a spiral channel. A water outlet connected to the spiral channel is fixed to one side wall of each mold, and a water inlet connected to the spiral channel is fixed to the other side wall of each mold. The two water outlets and the two water inlets are connected by telescopic pipes made of high-temperature resistant material. A supply mechanism is provided on one side of each mold for injecting cold water into the water inlet and extracting the heated water from the water outlet for cooling. This application, through improvements to the existing structure, reduces conductive and contact thermal resistance compared to the prior art where heat must sequentially pass through four solid side walls: the mold cavity metal wall, the mold box wall, the sleeve layer, and the water pipe wall, thus improving the heat exchange rate.

The utility model relates to the field of electronic cigarettes, and discloses an electronic cigarette cartridge with a more comfortable cigarette holder shape, which comprises a main body mechanism, an atomizing mechanism is arranged in the main body mechanism, a connecting mechanism is arranged at the rear end of the main body mechanism, and the main body mechanism comprises an oil bin main body and an oil injection rubber plug. The front end of the oil bin body is provided with a smoke outlet, one side of the oil bin body is provided with an oil filling port, the upper end and the lower end of the oil bin body are each provided with two clamping grooves close to the rear end, the atomization mechanism comprises an atomization core base, and the rear end of the outer surface of the atomization core base is sleeved with an atomization core sleeve. The portion, close to the front end, of the outer surface of the atomization core sleeve is sleeved with a sleeve sealing ring, the connecting mechanism comprises an oil bin base, and the upper end and the lower end of the oil bin base are each fixedly provided with two clamping blocks. According to the cigarette cartridge, the cigarette cartridge can be perfectly matched with the naturally unfolded lip of a user, and the experience feeling of the user is improved.

The application relates to a heat dissipation assembly for a case, which comprises a frame body and a filtering assembly, the frame body is arranged on a side cover plate, the frame body is in communication with the inside of a case body, a plurality of guide plates are arranged on the frame body, and the filtering assembly is arranged on the frame body and comprises a filter screen, which is used for blocking dust entering from between the guide plates. The application has the effect of reducing dust accumulation in the case body, thereby prolonging the service life of computer accessories.

This invention discloses a direct injection mixing intake structure for an LNG gas engine, comprising a multi-point injection module. The multi-point injection module includes a guide vane, an intake manifold, a mixer, and nozzles. The intake manifold is connected to the guide vane, the mixer is located in the intake channel of the intake manifold, and the nozzles are mounted on the guide vane and connected to the mixer. Several sets of guide vanes from the multi-point injection modules are sequentially connected in series to form a gas passage. The nozzles of each set of multi-point injection modules inject the gas from the gas passage into the mixer of their respective multi-point injection module, where it mixes with air supplied to the intake manifold of that multi-point injection module to form a mixed gas. Each set of multi-point injection modules corresponds one-to-one with each cylinder of the gas engine, effectively ensuring that the mixed gas drawn into each cylinder maintains a uniform and stable air-fuel ratio.

The utility model discloses an adjustable switch for a computer network, which comprises a machine body, a cover plate is mounted outside the machine body, and a mounting frame is fixedly connected to the back of the machine body. According to the utility model, by rotating the bidirectional threaded rod, the two threaded sleeves can move towards or away from each other along the outside of the bidirectional threaded rod, and the two mounting sleeves can move towards or away from each other synchronously, so that the two mounting sleeves can be matched with the two formed mounting holes in a spacing manner, the convenience in the mounting process can be realized, accurate measurement and punching are not needed, and the mounting efficiency is improved. Heat dissipation of the interior of the machine body can be achieved through the combination of the air inlet holes and the heat dissipation holes, when heat dissipation is poor in summer or a narrow space and the temperature in the machine body rises, the temperature sensor can conduct real-time monitoring, and when the temperature reaches a preset value, the exhaust fan starts to work synchronously; outside air can be accelerated to enter the machine body from the air inlet holes, and meanwhile high-temperature air in the machine body can be rapidly exhausted from the heat dissipation holes.

The application discloses a method for preparing lithium pre-doped amine coordination manganese iron phosphate precursor from lithium manganese iron phosphate, and belongs to the field of battery recycling. The method comprises the following steps: stirring and reacting lithium manganese iron phosphate battery material with a high-valence iron salt solution and a surfactant, and filtering to obtain filtrate and phosphorus iron residue; mixing the filtrate with a phosphate, adjusting the pH of the solution to 2-6, then mixing with an oxidizing agent A, and adding a mixed solution containing an organic amine compound to perform nucleation precipitation reaction, and aging to obtain the lithium pre-doped amine coordination manganese iron phosphate precursor. The application utilizes the surfactant and the high-valence iron salt to efficiently replace divalent iron under acid-free or weak acid conditions, generates a metal solution containing Li + , Fe 2+ , Mn 2+ , performs oxidation to form nucleation precipitation, adds an organic amine compound to control the morphology of the generated particles in the solution, generates the lithium-doped amine coordination manganese iron phosphate precursor, the reaction condition is mild, the energy consumption in the treatment process is low, and the economic utilization value of a manganese byproduct is improved.

The application provides a material improvement system and method for coal injection of converter flue gas vaporization, and belongs to the field of metallurgical energy saving and environmental protection, wherein the material improvement system for coal injection of converter flue gas vaporization comprises a pulverized coal injection unit, a limestone powder injection unit and a cyclone dust removal unit connected with the pulverized coal injection unit and the limestone powder injection unit; the cyclone dust removal unit comprises a cyclone dust collector, and a fine particle injection port and a coarse particle recovery port are arranged on the cyclone dust collector. The application adds the cyclone dust removal unit to introduce the pulverized coal into the cyclone dust collector for treatment, and simultaneously adds the limestone powder injection unit to separate the large particles and the small particles in the mixture of the pulverized coal and the limestone powder by the cyclone dust collector, so that the large particles are used for blast furnace coal injection, and the small particles enter the converter coal injection system, the particle size of the pulverized coal and the limestone powder entering the converter coal injection system is optimized, the kinetic condition of the reaction is improved, the efficient conversion of the pulverized coal in the flue gas is realized, and the waste of the pulverized coal resources is reduced.

The utility model relates to copper alloy smelting technical field, specifically disclose a copper alloy smelting feeding device, including setting up in the smelting furnace one side's support mechanism, and the support mechanism includes rotary support subassembly, and the rotary support subassembly is fixed with the lifting assembly, and the lifting assembly is installed with the feeding mechanism, and the feeding mechanism makes the alloy powder of adding with gas flow process in the process of feeding and gas mixing into smelting liquid after inert gas is passed in, the feeding mechanism includes the mount frame of fixing on the lifting assembly, through the setting of rotary support subassembly and the lifting assembly of feeding mechanism on the lifting assembly, make rotary support subassembly and the lifting assembly insert the smelting liquid of graphite pipe in smelting furnace, and inert gas is connected into the breather pipe, and in the process of gas moving to graphite pipe through breather pipe, the gas promotes the feeding hopper in the unloading component of inside and rotates, and the alloy powder in the feeding hopper flows down to the smelting liquid mixed with flowing gas, improves the effect that the alloy powder enters into the breather pipe.

The invention discloses a multi-source data checking power supply reliability data quality and closed-loop management and control method, system and device and a medium, and belongs to the technical field of data checking, and the method comprises the steps: obtaining and integrating line power failure data collected in a plurality of information systems, and forming power failure data after duplication removal; obtaining manually input power supply reliability operation data to form power failure to-be-checked data; performing event comparison on the power failure data and the to-be-checked power failure data, and checking whether a power failure event is recorded or not; performing data consistency checking on the power failure event, and identifying a deviation event based on the difference of households during power failure; recording the deviation event as to-be-corrected data, storing the to-be-corrected data into a database, and carrying out dynamic tracking rectification on the data to form a to-be-rectified data set; and based on the deviation statistical result, calculating the household number accuracy of the power failure data of each power supply unit in the preset time period. According to the invention, double check of timeliness and accuracy of data entry is realized, and the tedious process of manual data acquisition and comparison is avoided.

The utility model relates to a boiler for coffee machine, including one water container of upper end is equipped with opening, be equipped with electric heating tube in the water container, still include a metal assembly, the metal assembly includes end cover and heat dissipation board, the end cover is fixed on the opening of water container and end cover seals up the opening, the heat dissipation board dips into the water container, the both ends of electric heating tube stretch out from the end cover, and electric heating tube is coiled on heat dissipation board and is connected with heat dissipation board heat conduction, the water container lower extreme is equipped with water outlet, be equipped with water inlet on the end cover. The utility model has the advantages of: the design of heat dissipation board increases the contact area with water, makes the heat that electric heating tube produces can more widely transmit to the liquid in the water container. Compared with traditional heating mode, this kind of large -area heating can let water more quickly heat up, improves the heating efficiency, reduced the waiting time before making coffee, makes coffee machine can more rapidly enter the working condition.

The utility model discloses portable heavy metal ion detector relates to metal detection technical field, including box, the box upper surface is hinged with the box cover, the inside one side of box is provided with detection subassembly, and the lower surface of box is provided with support subassembly, the detection subassembly includes detection cabin, and the detection cabin sets up in the inside one side of box, and the detection cabin in one end middle part is provided with detection end, the utility model discloses the clean subassembly of setting, can improve the sample's entry and the discharge efficiency of waste liquid through the setting of inlet pipe and outlet pipe, thereby effectively improve the efficiency of cleaning, guarantee this device can be cleaned in the first time of detection end, as soon as possible put into the use in the second time, effectively improved the use efficiency of this device, thereby effectively improved the practicality of this device.

This utility model discloses an electrolyte grading and vibration sorting device, relating to the field of electrolyte sorting technology. It includes a machine body with a support frame at the bottom. Inside the machine body are filter plates one, two, and three. The filter holes of filter plate one are larger than those of filter plate two, and the filter holes of filter plate two are larger than those of filter plate three. A sorting component for secondary screening of the filtered material is located on the side of the machine body. This device performs multi-stage sorting of metal materials and achieves circulating screening, further separating usable fine electrolytes carried in the coarse material, thus improving sorting accuracy and recovery rate.

This invention belongs to the field of biopharmaceutical technology, specifically relating to a modular protein delivery system for targeted intracellular delivery of sustained-activation cGAS protein and its applications. The modular protein delivery system comprises a first functional module and a second functional module: the first and second functional modules are connected via a fragmentation-type intron or a Cage-Colockr system; the first functional module includes the cholera exotoxin B subunit or a functionally conserved variant thereof; the second functional module includes a sustained-activation cGAS mutant protein or a lysosomal degradation-resistant derivative thereof. The modular protein delivery system provided by this invention can be used to prepare immunotherapeutic drugs for the prevention or treatment of tumors, exhibiting advantages such as strong targeting and significant immune activation effects.

The invention discloses a power semiconductor device and a preparation method thereof. The power semiconductor device comprises a substrate, and the substrate comprises a substrate and an epitaxial layer located on the substrate; a plurality of first cells and second cells, wherein the first cells and the second cells are arranged in parallel in the first direction; the second cell comprises communication grooves penetrating from the surface of the epitaxial layer to the interior of the epitaxial layer, the communication grooves comprise second grooves and third grooves, and the third grooves are located between the adjacent second grooves and are communicated with the adjacent second grooves; the well regions are located in the epitaxial layer, the well regions extend into the epitaxial layer from the surface of the epitaxial layer, and the well regions are located on the two sides of the communicating groove; the second cell comprises a first region, a well region between adjacent second grooves of the first region in the second cell further comprises a first part well region and a second part well region, the first part well region is close to the third groove, the second part well region is far away from the third groove, the first source region is located on the surface of the second part well region, and no source region exists on the surface of the first part well region.

The utility model relates to a contact type heat dissipation device and a motor system.The contact type heat dissipation device comprises a gasification jacket, an exhaust chamber, a vacuum pump, a liquid pump, a liquid storage chamber, a nozzle, a temperature sensor, a controller and a plurality of connecting pipelines, the gasification jacket is arranged on the peripheral side of a stator winding shell in a sleeving mode, and the nozzle is arranged on the side wall of the gasification jacket; the temperature sensor is arranged on the surface of the stator winding shell; when the temperature sensor detects that the temperature of the stator winding shell is greater than or equal to a first preset temperature value, the controller controls the liquid pump to pump a refrigerant into the nozzle from the liquid storage chamber, and the refrigerant is sprayed on the surface of the stator winding shell through the nozzle; the vacuum pump communicates with the gasification jacket through the exhaust chamber, and the controller controls the vacuum pump to discharge the gaseous refrigerant in the exhaust chamber to the external space. According to the contact type heat dissipation device and the motor system provided by the invention, the problem of low heat dissipation efficiency of a liquid cooling plate contact type heat dissipation or air cooling heat dissipation mode is solved.

The present application relates to the technical field of supramolecular, in particular to a collagen supramolecule, a preparation method and application thereof, the collagen supramolecule is prepared by taking collagen, a stabilizer, an alcohol solvent, glycerol, an ionic liquid and water as raw materials, the preparation method of the collagen supramolecule is simple and easy to operate, and the prepared collagen supramolecule has high stability. Meanwhile, in the collagen supramolecule, the collagen can not only be used as one of active ingredients to improve the skin condition, but also be used as a carrier of active ingredients to improve the solubility and transdermal performance of various active ingredients including the collagen itself, so as to solve the defects in the prior art.

The application discloses a stamping device for lightening aluminum parts, and relates to the stamping technical field. Specifically comprising: a workbench, a rotating assembly is fixedly connected to the bottom of the workbench, a first motor box is arranged at the bottom of the rotating assembly, a base is fixedly connected to the bottom of the first motor box, a punch press is mounted outside the base, and a filter cartridge is arranged inside the workbench; the stamping device for lightening aluminum parts further comprises: a limiting mechanism which is used for placing and fixing aluminum parts, the limiting mechanism is arranged above the workbench, the limiting mechanism comprises a fixed groove, an angle plate is fixedly connected to the inside of the fixed groove, and a placing assembly is mounted in the angle plate; and an absorption mechanism which is used for air extraction treatment on the limiting mechanism and a punch head, the absorption mechanism is arranged above the filter cartridge. The stamping device for lightening aluminum parts achieves the purpose of improving the use efficiency of equipment.

The utility model discloses a kind of tin fume closed type automatic conveying systems, using PLC control system to carry out automatic control, fume bin receives fume particle;Feeding tank is located below fume bin and is communicated fume bin;Feeding tank is communicated top blowing furnace by air conveying pipe;Sweeping part is parallel connected with air conveying pipe to blow into compressed air to its inner chamber;Pressure relief part is communicated the inner chamber of fume bin and feeding tank by pipeline to balance pressure;Vulcanization part carries out vulcanization to fume particle in feeding tank.The utility model carries out blowing to air conveying pipe using sweeping part before fume conveying, then fume particle in fume bin is conveyed to feeding tank, fume quantity in feeding tank reaches design value, then opening pressure relief part carries out pressure relief to fume bin and feeding tank, then fume in feeding tank is vulcanized by vulcanization part, finally feeding tank is conveyed to top blowing furnace by air conveying pipe to carry out reduction smelting of fume particle.

The utility model discloses a kind of multi-functional cloud-shaped pillows, which belong to the technical field of sleep-aiding pillows, comprising: pillow base, first supporting part, second supporting part, multi-section arc-shaped groove, intelligent control part and sound source player;The first supporting part is longitudinally arranged on the pillow base, and the second supporting part is transversely arranged on the pillow base, and the first supporting part and the second supporting part are arranged on the pillow base in intersection;Two multi-section arc-shaped grooves are oppositely arranged on both sides of the second supporting part, the intelligent control part is arranged in the pillow base, at least one sound source player is arranged in the pillow base, and the intelligent control part is respectively connected with each sound source player for control;The utility model discloses a kind of multi-functional cloud-shaped pillows, which solve the technical problem of how to improve the sleep-aiding effect of the pillow.

The utility model provides a mandarin fish domestication net cage which comprises a net cage body, the net cage body is provided with a first cavity and a second cavity, the second cavity is located below the first cavity, a filtering channel is arranged between the first cavity and the second cavity, a detachable adsorption part is arranged in the second cavity, and the adsorption part is located in the filtering channel. The adsorption part is used for adsorbing excrement entering the second cavity, the excrement of the mandarin fish is filtered, enters the second cavity and then is attached to the adsorption part, the excrement of the mandarin fish is prevented from being directly discharged into the culture pond, and pollution to a water body of the culture pond is reduced.

This invention discloses a welding fixture with back gas protection, belonging to the field of welding technology. It includes a worktable and two workpieces to be welded. The worktable has a welding port located at the bottom of the workpiece to be welded. A reduction gearbox is mounted on one side of the worktable. The input end of the reduction gearbox is connected to a motor, and the output end is connected to a lower lead screw and an upper lead screw. The workpieces to be welded are located between the lower and upper lead screws. A protective cover is connected to the lower lead screw, and a welding torch and a drive block are connected to the upper lead screw. The welding port of the welding torch is located between the two workpieces to be welded and directly above the protective cover. This welding fixture with back gas protection solves the technical problems of existing devices, such as difficulty in achieving synchronous movement between the back gas output device and the welding head, lack of versatility, and limited ability to control the flow direction of the protective gas.

The invention provides a cable material cross-linking agent infiltration system and method. The system comprises a cross-linking agent dissolving tank, at least one first flow channel, an infiltration bin and spraying equipment, the spraying equipment is arranged at the top of the infiltration bin, the cross-linking agent dissolving tank is communicated with the spraying equipment through a first flow channel, and a filter screen is arranged in the first flow channel; the spraying equipment can adjust and control the particle size of sprayed spraying particles and is used for spraying an impregnating compound into the impregnating bin; and the infiltrating bin is used for infiltrating the cable material in the infiltrating bin by using spraying particles sprayed by spraying equipment. The cable material cross-linking agent infiltration method comprises the following steps: mixing a cross-linking agent with an organic solvent to prepare an infiltration agent; the target cable material is leached and infiltrated for at least one time by using an impregnating compound; the primary leaching and infiltration treatment comprises the following steps: forming spray particles with the particle size of 10-50 microns by using an infiltration agent, spraying the spray particles onto a target cable material, forming spray particles with the particle size of 3-10 microns by using the infiltration agent, and spraying the spray particles onto the target cable material.

This invention discloses an environmentally friendly double-sided coated whiteboard paper and its preparation process, comprising the following steps: S1, the coated whiteboard paper is provided with a double-sided coating layer, and the surface of the coating layer on the front side has a region enriched with micron-sized calcium carbonate particles; S2, the double-sided coated whiteboard paper with micron-sized calcium carbonate particles enriched on the surface is printed; S3, blister oil is coated; a single layer of water-based blister oil is applied to the surface of the double-sided coated whiteboard paper with the micron-sized calcium carbonate particle enrichment region and then dried; S4, a thermostatic plastic film is blister-formed to obtain the environmentally friendly double-sided coated whiteboard paper. This invention constructs a rough coating layer by distributing calcium carbonate, and effectively promotes the distribution of blister oil and adhesive in the coating by controlling the difference in the degree of calcium carbonate enrichment along the thickness direction of the coating layer, thereby improving the bonding strength between the blister oil and the coated paper. 。