27results about How to "Fully moistened" patented technology

The invention belongs to the technical field of photocatalytic materials, and provides a foamed ceramic-based catalyst as well as a preparation method and application thereof. The method comprises the following steps: S1, sequentially carrying out surface alkali treatment, surfactant modification and surface grafting modification on an organic foam template to obtain a modified foam template; s2, preparing a plurality of ceramic slurry with different solid contents, wherein the ceramic slurry comprises the following components: a binder, a rheological agent, a dispersant, a plasticizer, a zirconium oxide stabilizer, zirconium oxide, manganese dioxide, titanium dioxide, silicon dioxide and a solvent; s3, according to the slurry hanging sequence of the solid contents from high to low, ceramic slurry with different gradient solid contents is sequentially coated and hung on the surface of the modified foam template, drying and sintering are conducted, and the foamed ceramic-based catalyst is obtained. According to the invention, the surface of the organic foam template is modified, the components of the ceramic slurry are reasonably designed, and the ceramic slurry with gradient solid content is adopted for multiple times of slurry hanging, so that the porosity and compression strength of the foamed ceramic-based catalyst are simultaneously improved.

This utility model relates to the field of packed tower technology, and in particular to a high-efficiency and energy-saving packed tower. Its technical solution includes a tower body, with an inlet pipe on one side for introducing the gas to be treated, an outlet pipe at the top for discharging the gas, and a liquid outlet pipe at the bottom. A packing frame for support and fixation is provided inside the tower body. Large-sized bulk packing, structured packing, and small-sized bulk packing are sequentially arranged on the top of the packing frame. A spray structure for promoting sufficient gas-liquid contact is provided inside the tower body. This utility model, through the arrangement of a spiral nozzle, a fan-shaped nozzle, a servo motor, a threaded rod, a bevel gear one, a bevel gear two, a vertical rod, and an annular ring, ensures uniform liquid distribution while also allowing for adjustment of the spray height based on multiple factors. This ensures that the liquid fully wets the packing, guarantees sufficient mass transfer area utilization, and improves separation efficiency.

This invention provides a surface mount reflow soldering method and apparatus. The method includes: pre-treating the solder paste state and performing reference positioning correction on the PCB pads to align the PCB pads with the target pad area; using an electroformed stencil with inverted conical openings and a surface nano-coating, printing the pre-treated solder paste onto the PCB pads under closed-loop monitoring; placing the printed PCB in a reflow soldering chamber, and strictly controlling the residual oxygen content in the chamber below a preset critical value through a closed-loop oxygen concentration control system; and performing thermal history control of the reflow soldering peak temperature, holding time, and cooling temperature based on the melting point characteristics of the solder paste to complete the soldering process. This improves printing transfer efficiency, reduces soldering oxidation problems, and ensures sufficient melting and wetting of the solder.

The utility model provides an upper-water-adding evaporative humidifier which is convenient for a user to carry out water supplementing operation, comprises a machine body, air is discharged from the top of the machine body and air is fed from the side part of the machine body, and is characterized in that an air blowing mechanism, a filter element module and a water tank are sequentially arranged in the machine body from top to bottom, and a water filling opening is formed in the top of the machine body; the water injection port is communicated with the water tank through a water injection channel in the machine body, the filter element module comprises a support, cylindrical filter element cotton installed on the support and an annular water channel arranged above the support, a plurality of draining holes right opposite to the top end of the cylindrical filter element cotton are formed in the bottom of the annular water channel, and a backflow hole is formed in a top cover of the water tank. A water pump and a water feeding pipe connected with the water pump and the annular water channel are arranged in the water tank.

The invention discloses a pH response release mask and a preparation method thereof, and relates to the technical field of masks. Comprising the following steps: step 1, preparing basic liposome by adopting a film hydration method, and encapsulating functional components in the basic liposome to obtain functional liposome; and step 2, gluing the functional liposome to one side of a mask cloth, and coating the other side of the mask cloth with a hydrophobic layer to obtain the pH response release mask. According to the pH acid response release facial mask, enough essence can be firmly hung on the mask cloth, redundant essence does not need to be left in a package, sufficient wetting of the mask cloth is achieved, meanwhile, the acid response can release component factors at the moment when the facial mask is attached to the skin, the facial mask can be released immediately after being used, the freshness of functional components is kept, and the facial mask is free of side effects. And the transportation pressure is also reduced by the lighter package.

A special preshrinking device for textile printing pretreatment, comprising a front frame, a front fixed roller, a front roller connector, an air jet chamber, a pretreatment roller, an air inlet pipe, a rear frame, a rear fixed roller, a rear roller connector, a preshrinking assembly, and an adjusting assembly; the front frame is arranged at one end of the air jet chamber; the front fixed roller is arranged between the front frames; the air jet chamber is a hollow structure, and an air jet chamber opening is formed at both ends of the air jet chamber; a guide roller is arranged in the air jet chamber opening; the pretreatment roller is arranged transversely in the air jet chamber; the air inlet pipe is arranged transversely at the top of the air jet chamber; the rear frame is arranged at one end of the air jet chamber, symmetrically, and each rear frame is fixedly connected to the outer shell at one end of the air jet chamber; the rear fixed roller is arranged between the rear frames; the preshrinking assemblies are arranged in a square staggered manner; and the adjusting assemblies are arranged on both sides of a preshrinking assembly. The present invention has a fast wetting rate, reduces the amount of steam injection, and can accurately control the moisture content of the preshrinked textile.

The invention discloses a cleaning method for a semiconductor photoetching mask substrate, and belongs to the technical field of semiconductor manufacturing. According to the method, dynamic cleaning logic of step cooperation and energy matching is adopted, and the steps of interface wetting and pre-cleaning, chemical soft interface construction, low-damage mechanical stripping and synchronous washing, targeted reaction clearing, microstructure deep cleaning, interface dehydration and modification and final energy-assisted drying are sequentially executed. The method is characterized in that through the dependency relationship of chemical interface softening and low-damage mechanical stripping in sequence, the rotation speed of a substrate in each step is strictly controlled to meet the specific dynamic relationship (V2 < V1 < V4 < V3 < V5 < V6), and precise cooperation of chemical action, physical stripping and energy field cleaning is achieved. The contradiction between efficiency and substrate damage in a traditional cleaning process is effectively solved, full-scale pollutants from micron-scale particles to nano-scale molecular contamination can be removed without dead corners, and a clean, stable and secondary pollution resistant surface state is actively reconstructed at a cleaning end point; and the cleanliness and the service life of the mask substrate and the yield of a downstream photoetching process are remarkably improved.

The utility model relates to a water-sprinkling maintenance spraying device for a PCCP (prestressed concrete cylinder pipe) core. The water-sprinkling maintenance spraying device comprises a base, a lifting mechanism, an annular pipeline, a water pipe, a storage box, a plastic water tower, a pe water storage tank, a valve and a water supply pump, a pushing handle is welded on one side of the base; a storage box for storing the flexible connecting pipe is reserved on one side above the base; the lifting mechanism is fixed to the middle of the base, the annular pipeline is installed on the lifting mechanism and communicated with the water inlet pipe, and the spraying nozzles are arranged on the lower side. The plastic water tower pe water storage tank is arranged in the pipe core maintenance area, the top of the plastic water tower pe water storage tank is provided with a water inlet, the bottom of the plastic water tower pe water storage tank is provided with a water outlet, and the water outlet is connected with a water conveying pipe. According to the spraying device, the annularly-arranged spraying nozzles rise to the uppermost part of the pipeline, water mist is uniformly sprayed from top to bottom, the pipeline is fully wetted and maintained, maintenance is more uniform, the strength loss of the pipeline is reduced, meanwhile, the working strength is reduced, and the working efficiency is improved.

The utility model belongs to the technical field of high-heat waste gas physical cooling devices, and particularly relates to a drip irrigation type printing and dyeing high-heat tail gas physical cooling tower. A drip irrigation type physical cooling tower for printing and dyeing high-heat tail gas comprises an inner packed tower and an outer cooling tower, the inner packed tower is located in the outer cooling tower, spherical packing is arranged in the inner packed tower, a water storage space is arranged between the outer cooling tower and the inner packed tower, and a water inlet pipe is arranged at the bottom of the outer cooling tower.

The application discloses a kind of liquid lithium battery negative pole coating material and preparation method thereof, belong to lithium battery negative pole material technical field.The application uses ethylene tar as raw material, sequentially through filtration, distillation, polymerization, blending process, produce the liquid lithium battery negative pole coating material provided by the application is used for the coating treatment of lithium battery graphite negative pole material, can be fully wetted with graphite negative pole material, bonding;The "core-shell" structure formed after the graphite negative pole material is treated using the liquid coating material, including core and the coating layer coated on the surface of core.Coating layer is firm, stable, and presents uniformity.The liquid lithium battery negative pole coating material is in liquid state at normal temperature, and has good flowability;Coking value is higher;It is easy to store, convenient for transportation and use.

The utility model discloses a medicament powder pre-wetting device, and relates to the technical field of medicament powder wetting, the medicament powder pre-wetting device comprises a loading tank and a feeding part, the feeding part is communicated with the bottom of the loading tank, the loading tank comprises a tank body and a top cover, a vacuum pump is arranged on the top cover, and a feeding pipe is arranged behind the tank body; the feeding part comprises a shell and a cover plate, a feeding speed reducer is arranged behind the shell, a spiral shaft is arranged at the output end of the feeding speed reducer, and a spraying block is arranged in an outlet in the lower portion of the shell. The wetting agent is pumped into the hollow body through the high-pressure pump, it is ensured that powder is fully wetted, and the wetting effect is improved. And the spiral shaft realizes rapid and continuous feeding, and the efficiency is improved. Equipment works cooperatively, the manual operation difficulty is reduced, and the production efficiency and the product quality are improved. The structure is compact and the maintenance cost is reduced. The device is high in adaptability, improves the uniformity and the utilization rate of the medicament, reduces the cost, is environment-friendly and sustainable, and has very high practical value.

The invention discloses an mSAP film removing agent as well as a preparation method and application thereof, and relates to the technical field of mSAP special for fine circuits. The mSAP film removing agent comprises the following components in parts by weight: 1-5 parts of an organic solvent; 10-30 parts of an inorganic base; 0.1 to 0.5 part of an inorganic corrosion inhibitor; 0.1 to 0.5 part of a non-ionic surface active agent; 1-10 parts of a penetrant; and the balance of deionized water. The nonionic surfactant is prepared from at least two of fatty alcohol-polyoxyethylene ether, nonylphenol polyoxyethylene ether, polyoxyethylene fatty acid ester and lauric acid monoethanolamide. The mSAP film removing agent has excellent IDE film removing capacity and efficient cleaning performance, the ammonia nitrogen content can be greatly reduced, and the efficient and environment-friendly film removing process is achieved.

The invention discloses a novel beer brewing stirrer, and belongs to the field of stirrers, the novel beer brewing stirrer comprises a bottom frame, the two sides of the top end face of the bottom frame are fixedly connected with tripods, a stirring tank is movably connected between the two tripods, and an angle adjusting mechanism is arranged between the stirring tank and the tripods; the inner side face of the bottom frame is fixedly connected with a stability maintaining buffering mechanism. A stirring cavity is formed in the stirring tank, a driving motor is fixedly connected to the top end of the stirring tank, a bottom output shaft of the driving motor penetrates through the stirring tank, extends into the stirring cavity and is fixedly connected with a stirring shaft, and four scraping and stirring mechanisms and four self-adaptive ramming mechanisms are arranged on the outer side face of the stirring shaft. And the scraping and stirring mechanisms and the self-adaptive ramming mechanisms are alternately and uniformly distributed. According to the malt wetting device, malt at the top and the bottom in the stirring cavity can be fully wetted, the malt wetting uniformity is improved, and the malt wetting device is convenient to use.

The utility model relates to the technical field of feed processing, in particular to an anti-blocking feed storage bin discharging device which comprises a shell, a material bearing plate, an electric conveying belt, a material guide plate, a discharging hopper and the like. A feeding hole and a powder bin are formed in the upper part of the shell; a material bearing plate used for bearing medicine powder is rotationally connected into the powder bin and can be driven by an electric motor to rotate. An electric conveying belt used for conveying wet forage is installed in the shell, located under the feeding port and arranged downwards in an inclined mode from left to right. An inclined material guide plate is fixedly connected into the shell, the inclination direction of the material guide plate is consistent with that of the electric conveying belt, and the left end of the material guide plate is aligned to the right end of the electric conveying belt; and the lower side of the shell is fixedly connected with a discharge hopper for discharging the mixture. According to the utility model, wet forage is extruded and punctured by matching the extruding plate with the barbed rod, so that mutually hooked forage balls are effectively separated, and the problem of blockage caused by the balls is avoided.

This utility model relates to the technical field of concrete testing and discloses a permeable concrete permeability coefficient testing device, including a test platform and a fixed base set at the bottom of the test platform. A water collection tank is slidably installed at the middle of the top of the fixed base, and a placement frame is fixedly installed at the middle of the top of the test platform. A rectangular opening is opened at the middle of the top of the test platform. A water tank is fixedly installed on the right side of the test platform near the rear. A suction pump is fixedly installed at the middle of the top of the water tank. Through the cooperation of the components such as the bearing plate, servo motor A, fixed frame, turntable, fixed shaft, sliding frame, guide plate, guide rod, connecting rod, lifting plate, U-shaped rod and top plate, the top plate can be moved upward after the test is completed, so as to push the permeable concrete sample after the test to the outside of the placement frame, which is convenient for the staff to take out. This solves the problem of inconvenience in the existing method of handling, and the effect is good.

The invention discloses a board-level packaging structure and a manufacturing process thereof, the board-level packaging structure comprises a packaging body and a terminal, at least part of the terminal protrudes out of the surface of the packaging body, the side wall of the terminal is provided with a step-shaped structure, and a metal surface area capable of being wetted by welding flux is formed on the lower portion of the step-shaped structure. According to the invention, the wettability side surface is created through the step-shaped structure, so that the liquid solder can fully wet and wrap the side wall of the terminal, a firm, complete and void-free three-dimensional welding interface is formed, and the connection reliability is greatly improved; the effective welding area is increased, the interface thermal resistance is reduced, and the heat dissipation capability is improved; meanwhile, the firm lateral connection enhances the mechanical stress and thermal stress resistance of the packaging body, so that the power cycle life is prolonged, and the overall reliability is improved; on the basis of a mature board-level packaging process, only a pre-cutting step needs to be added before a final cutting process, so that the technological process is slightly changed, the equipment compatibility is high, the implementation is easy, and the cost is controllable.

The utility model discloses a kind of electric appliances with humidification function, it is related to small household electrical appliances technical field, wherein, electric appliance includes main body, wet curtain component, water distribution structure, fan assembly and switch component. Main body is equipped with main body cavity extending up and down, upper portion is equipped with upper water cavity, bottom is lower water cavity, wet curtain component is located in main body cavity, its lower end is inserted into lower water cavity, and wind channel that is connected with air inlet and air outlet is defined. Water distribution tray is located at the top of wet curtain component, is equipped with water distribution hole, so that the water of upper water cavity evenly moistens wet curtain. Fan assembly is located above water distribution structure, drives air to blow out after flowing through wet curtain from top to bottom. Switch component is located between upper water inlet and water distribution tray, using mechanical control mode, without water pump, avoid blockage problem due to scale or impurities. The scheme is supplied by gravity, mechanical control and fan high-level arrangement, simplify structure, improve humidification efficiency, and effectively prevent the influence of water accumulation on fan, ensure that equipment runs stably and reliably.

The invention discloses a pharmaceutical composition containing purified micronized flavone components and a preparation method of the pharmaceutical composition, and belongs to the technical field of pharmaceutical preparations. The pharmaceutical composition consists of purified micronized flavone components, an adhesive, a filling agent, a disintegrating agent, a lubricating agent and purified water, wherein the adhesive is gelatin, the jelly strength value of the gelatin is 100-200 Boomg, and the concentration of the gelatin aqueous solution is 10-15%. According to the preparation method, a hot-melting wet-process mixing granulator is adopted, so that the liquid state after gelatin is added can be effectively kept, materials are fully wetted, then the loosening degree of granules is controlled according to granulation parameters and granulation time, on the basis, purified micronized flavone components are wetted with ethyl alcohol, then the granules and gelatin are independently granulated, and the granules are prepared. And finally, mixing and tabletting with other auxiliary materials, so that the problems of wall sticking, uncoated tablets and the like in a wet granulation process can be effectively improved.

The application discloses a sawing machine device for processing vehicle metal parts, and belongs to the technical field of sawing machines, which comprises a sawing machine base, a sawing machine frame arranged on the sawing machine base, saw blade hubs arranged at two ends of the sawing machine frame, saw conditions used in cooperation with the saw blade hubs to support two ends of the saw conditions and drive the saw conditions to rotate, guide rail plates arranged on the sawing machine frame to provide a guide path for the saw conditions, first guide columns and second guide columns which jointly provide guide support for the saw conditions, clamping mechanisms used for clamping parts to be processed, cooling liquid pipes which extend from lower parts of the second guide columns and have nozzle ends located directly above the saw conditions, and cooling and temperature-lowering components arranged on a section of the circumferential side of the saw conditions between the second guide columns and the parts to be processed and used for guiding cooling liquid sprayed from the cooling liquid pipes to flow along a sawing direction of the saw conditions to the parts to be processed. The application fully wets a contact surface of saw teeth and a workpiece, and significantly improves heat dissipation efficiency.

The invention provides an electrolyte additive and a preparation method thereof, an electrolyte, a battery with the electrolyte and a manufacturing method of the battery, and belongs to the technical field of lithium batteries. In the scheme of the invention, since the molecular weight of the polymeric monomer is small and the surface tension with the positive and negative electrodes of the battery is small, the interface impedance can be effectively reduced and the interface compatibility can be improved; a P element introduced into a polymeric monomer forms an SEI film containing Li3PO4 on the surface of the graphite negative electrode, so that the desolventizing effect of lithium ions in the electrolyte is remarkably enhanced, and co-intercalation of solvent molecules is effectively relieved; the gel polymer electrolyte can release free radicals and capture oxygen free radicals generated by decomposition of a battery material at normal temperature, and the electrolyte is difficult to spontaneously ignite; and ions can be coordinated with polar functional groups introduced by the monomer, and continuously jump from one coordination site to another coordination site along with the movement of a polymer chain, so that the ion transmission is realized, and the cycle performance of the gel sodium-ion battery is improved.

The utility model provides the constant-temperature soaking box for the packaging box, which can ensure that the temperature is constant when the packaging box is soaked. The constant-temperature soaking box for the packaging box comprises a box body, an electric heating plate, a temperature sensor, a floating ball switch, a cover plate and an electric control cabinet, and the electric heating plate is arranged on the lower surface of a bottom plate of the box body; the temperature sensor and the float switch are arranged on the inner wall of the box body; the electric control cabinet controls the electric heating plate to be powered on and powered off. And the cover plate is arranged on the box body. The constant temperature of the packaging box during soaking is guaranteed through the electric heating plate, the temperature sensor and the electric control cabinet, so that the packaging box is fully wetted, the subsequent cleaning degree is better, and the packaging box soaking device is convenient to operate.

The invention discloses a method for making high-quality balls by mixing stainless steel ash with carbon for improving element yield. The method comprises the following steps: (1) proportioning materials in balls: the digested stainless steel 300 series dust ash, stainless steel iron oxide scale, dry quenching dust ash, organic binder, inorganic binder and water are proportioned in a mass ratio of 70:5:15:2:3:5; (2) preparing materials; (3) adding water and mixing; (4) stuffing materials; (5) initial pressing; (6) final pressing: the balls produced by initial pressing enter the ball conveying belt through the inclined chute at the bottom of the roller ball press to feed the final pressing ball press; the balls after final pressing enter the ball discharging belt through the inclined screen plate at the bottom of the ball press; the crushed and powdered materials are transported to the initial pressing feeding belt through the return material belt under the screen to continue initial pressing, and the cycle is repeated; (7) transportation.

This invention relates to the field of tape technology, specifically to an ultra-thin green PET pressure-sensitive adhesive tape with a high gyrometric coating reinforcement. The tape comprises a green PET substrate with a thickness ≤12μm and a primer reinforcement layer and a pressure-sensitive adhesive layer sequentially arranged therefrom. The primer reinforcement layer consists of an anchoring primer layer, an intermediate primer layer, a borate ester dynamic covalent pre-organized layer, an iron-citric acid slow-release coordination layer, a free trivalent iron locking layer, and a pH recovery and shaping layer. Through multi-layer synergistic action, it maintains high surface energy for a long time, significantly improving the interfacial bonding strength with water-based pressure-sensitive adhesives, resistance to damp heat aging, and resistance to die-cutting edge warping, while maintaining the flexibility of the substrate, making it suitable for the field of precision electronic assembly.

The utility model relates to the technical field of bridge construction, and discloses an environment-friendly spraying device for bridge construction, which comprises a fixed bottom plate and a supporting stand column, the supporting stand column is fixedly connected to one side of the upper surface of the fixed bottom plate, the other side of the upper surface of the fixed bottom plate is fixedly connected with a water storage tank, and the upper end of the supporting stand column is fixedly connected with a transmission case. Connecting plates are fixedly connected to the two ends of the transmission box, a connecting box is fixedly connected between the connecting plates, a water pump is fixedly connected to the upper portion of the water storage box, the water inlet end and the water outlet end of the water pump are fixedly connected with a water inlet pipe and a water outlet pipe respectively, and the water outlet pipe extends into the connecting box and is divided into two sections; the end of the connecting pipe penetrates through the connecting box and the connecting plate and is fixedly connected with a splitter plate, a plurality of atomizing nozzles are fixedly connected to the surface of the splitter plate, and the atomizing nozzles can rotate at the same time by arranging the transmission structure and the atomizing nozzles, so that the spraying coverage is wider.

The application provides an activation method of a fuel cell stack, which comprises the following steps: (1) operating the fuel cell stack under target conditions; (2) reducing the load of the fuel cell stack until the load is 0, and cooling the stack and purging the stack at the same time until the inlet humidity of the stack reaches an over-humidification state; (3) loading the fuel cell stack under the over-humidification state and continuously operating the stack so that the stack is fully wetted; (4) reducing the load, and cooling the stack and purging the stack at the same time until the temperature of the stack returns to the temperature of the stack before the cooling of the stack in step (2); and (5) detecting the performance of the stack under the target conditions, if the performance of the stack meets the standard, the activation is completed, if the performance of the stack does not meet the standard, steps (1)-(4) are repeated until the performance of the stack meets the standard. The activation method provided by the application can fully wet the proton exchange membrane and the polymer electrolyte ionomer, and the activation time is shortened.

This application relates to the field of wave soldering carrier technology, and provides a wave soldering carrier and wave soldering equipment. The wave soldering carrier includes: a carrier body, the carrier body having an upper carrier surface and a lower carrier surface disposed opposite to each other, the upper carrier surface having a first bearing area and a second bearing area, the first bearing area being used to support the main body section, and the second bearing area being used to support the reinforcing section; the second bearing area having a reinforcing limiting groove, the reinforcing limiting groove being used to limit at least a portion of the reinforcing section having a reinforcing plate, the bottom wall of the reinforcing limiting groove having a first clearance opening communicating with the lower carrier surface, when the flexible circuit board is loaded on the carrier body, the pins of the device to be soldered extend into the first clearance opening through the reinforcing plate and the flexible circuit board, and the bottom end of the pin is flush with the lower carrier surface, or the bottom end of the pin protrudes from the lower carrier surface.

A plant-based dispersion composition, a plant-based beverage and a preparation method thereof. The plant-based dispersion composition includes natural dietary fiber, maltitol, oat β-glucan and hawthorn powder; the natural dietary fiber includes seaweed dietary fiber and at least one selected from oat dietary fiber, vegetable dietary fiber and fruit dietary fiber; the seaweed dietary fiber includes fucoidan; the particle size D50 of the plant-based dispersion composition is 5-100 μm. The plant-based beverage of the present invention includes a dispersant and the plant-based dispersion composition stably dispersed in the dispersant, the content of the plant-based dispersion composition is 5-30 wt%, the dispersant includes one or more of deionized water and mineral water. This plant-based beverage is stably dispersed and has a delicate taste. It can be used for gastrointestinal function conditioning, inhibiting Helicobacter pylori adhesion and assisting in protecting the gastric mucosa, improving defecation discomfort and reducing the level of inflammatory factors, while enhancing satiety and making blood glucose release more stable.