19results about How to "Uniform infiltration" patented technology

The utility model provides an environment-friendly waterproof structure, and relates to the field of building waterproof structures. Two rows of top bolts symmetrically penetrate through the outer eaves of the left side and the right side of the flexible plastic waterproof pad, the flexible plastic waterproof pad is fixed to a roof through the two rows of top bolts, and a plurality of rows of planting grooves are formed in the top end of the flexible plastic waterproof pad at equal intervals; the planting groove is of a rectangular structure, the interior of the planting groove is filled with soil, and green plants and flower plants for greening and environmental protection are planted in the soil; a soil sealing plate is embedded in an opening in the top end of the planting groove in a sealing and covering mode, the whole soil sealing plate is of a U-shaped structure, two L-shaped clamping plates are symmetrically and downwards welded to the top ends of a left side plate and a right side plate of the soil sealing plate, and two soil filtering assemblies can intercept and filter residual and mingled soil in overflowing water through nylon filtering wires evenly and densely distributed on the two soil filtering assemblies; the soil content in the rainwater is further reduced, and the probability that a roof drainage system is blocked and the water and soil loss of soil in the planting groove are further reduced.

The utility model relates to battery technical field discloses a battery and battery package, a kind of battery, including shell, cover plate, electric core and baffle;Shell has accommodating cavity and open mouth;Cover plate is capped in open mouth, and cover plate is equipped with liquid injection hole;Electric core is located in accommodating cavity;Baffle is connected to the one end of electric core in first direction close to cover plate;Along first direction, the orthographic projection of liquid injection hole on auxiliary plane falls into the orthographic projection range of baffle on auxiliary plane;Wherein, along first direction, the size of baffle is hmm, and the spacing distance between electric core and cover plate is H1mm satisfy: 0.5<=h / H1<=0.8;The battery of the utility model sets up baffle on electric core, and baffle can guide electrolyte from liquid injection hole into accommodating cavity, to avoid forming liquid seal phenomenon, improve electrolyte overall infiltration efficiency;By limiting 0.5<=h / H1<=0.8, can realize the uniform infiltration of electric core from bottom to top, improve the coverage degree of electrolyte to pole piece and diaphragm.

The application belongs to the technical field of chemical fiber and textile, and discloses a multi-roller oiling device and application thereof. The multi-roller oiling device comprises an oil nozzle, an oiling pump, a first oil roller, a second oil roller and a skin pressing roller which are located in the wire passing channel of the oil nozzle. The second oil roller is located below the first oil roller, the rightmost sides of the two are located on the same vertical plane and are located on the right side of the left side wall, and the rotating directions of the two are the same. The skin pressing roller is located on the right side of the second oil roller, a gap is left between the two, and the rotating directions of the two are opposite. The left side wall of the oil nozzle is provided with an oil inlet and an oil outlet, the upper surface of the protruding part of the oil nozzle is provided with a C-shaped groove connected with the oil outlet, and the first oil roller is embedded in the C-shaped groove. The cross section of the first oil roller is composed of a center circle and a plurality of C-shaped lines. The preparation method of the profiled fiber is as follows: polyester melt extrusion, cooling and forming, oiling and winding and forming. The quality and efficiency of the preparation of the profiled fiber are improved.

The application discloses a kind of short fiber insulation felt methods for preparing by wet process, short carbon fiber is laid into uniform mesh tire unit by airflow carding technology, after weighing, resin glue solution is sprayed on the surface of mesh tire and is conveyed to the pre-curing of baking tunnel;Using the mold of track reciprocating motion alternately receives the pre-cured mesh tire of conveying belt and the mesh tire unit of new laying machine, new laying mesh tire unit needs to be weighed, sprayed and pre-cured, and after multiple cycles, the dense multi-layer mesh tire structure with controllable layer number is formed;After the mold loaded with multi-layer mesh tire is hot-pressed and cured, the obtained blank is treated at high temperature in a graphitization furnace under inert gas or vacuum protection, and short fiber insulation felt is prepared.The method significantly improves the resin infiltration uniformity and structural density of the insulation felt through the synergistic optimization of resin infiltration and multi-layer laying process, the product density and thermal insulation performance are stable, and it is suitable for continuous production process, and has industrial application potential.

The application relates to the technical field of batteries, in particular to a battery monomer and a battery pack. The application provides a battery monomer which comprises a shell, an electric core and a flow guide piece. The shell is provided with a first wall and a liquid injection hole. The electric core is arranged in the shell and has a first surface facing the first wall along the thickness direction of the first wall. The flow guide piece is arranged between the first wall and the first surface along the thickness direction of the first wall. The projection of the liquid injection hole falls into the projection of the flow guide piece along the thickness direction of the first wall. The flow guide piece has a bottom wall along the thickness direction of the first wall. The projection area of the first surface along the thickness direction of the first wall is S1, the projection area of the bottom wall is S2, and the following condition is met: 0.01<=S2 / S1<=0.15. The electric core can be uniformly infiltrated, and the liquid sealing phenomenon can be reduced.

The utility model provides a kind of fermentation tank for processing waxberry wine, including jar body, skin assembly, gas pulse stirring subassembly and circulating pump;Skin assembly includes spray pipe, liquid outlet pipe and reflux pipe, spray pipe is horizontally arranged in the inner chamber upper portion of jar body, spray pipe is equipped with multiple spray holes towards the inner chamber lower portion of jar body, liquid outlet pipe is located at the outside of jar body and its one end is communicated with the inner chamber lower portion of jar body, the other end of liquid outlet pipe is communicated with the inlet of circulating pump, the outlet of circulating pump is communicated with spray pipe by reflux pipe;Gas pulse stirring subassembly is located in the inner chamber lower portion of jar body, gas pulse stirring subassembly includes gas distributor and fairing, gas distributor is equipped with multiple gas outlets, fairing fixed cover is arranged above gas distributor, fairing has inverted U-shaped cross section, and the top of fairing has opening towards the inner chamber upper portion of jar body.The utility model can gently break and turn over the fruit cap that floats, and uniformly infiltrate the loose fruit cap.

The application belongs to the technical field of additive manufacturing material preparation, and particularly relates to a preparation device and method of high-fiber-content reinforced polyether ether ketone 3D printing wire rod, which comprises: a material source assembly for providing an impregnated tape; a filament splitter in communication with the material source assembly, which divides the wide impregnated tape into multiple narrow strips through a cutter shaft and a circular disc split cutting knife; multiple multi-nozzle step-by-step pultrusion devices corresponding to the narrow strips, which are provided with multiple nozzles with gradually reduced diameters at the discharge end, and are used for heating, guiding, pressurizing, impregnating and cooling the narrow strips; and a wire collecting reel in communication with each pultrusion device. Through the parallel process of "first dividing and then pulling", the application solves the problems of low forming freedom of the wide pre-impregnated tape, large damage and high cost in traditional wire rod preparation, and realizes efficient and low-damage continuous production of high-performance 3D printing wire rod.

The utility model discloses a traditional chinese medicinal material is planted and is used infiltration device, including reciprocating structure, reciprocating structure sets up in the infiltration frame front end, reciprocating structure includes the incomplete gear and sets up at its both sides a plurality of tooth groove, the incomplete gear is engaged with tooth groove, realizes the back and forth reciprocating movement of infiltration frame, the turbulence generating device, the turbulence generating device sets up in the infiltration tank lower part, the turbulence generating device includes a plurality of jet pipe, all have opened the lance that communicates with its on the jet pipe upper end, the jet pipe provides compressed air through the compressed air pump. The utility model discloses through reciprocating structure makes the infiltration frame back and forth reciprocating movement, drives traditional chinese medicinal material to move in the infiltration liquid, makes the infiltration liquid to traditional chinese medicinal material's penetration rate improve, has reduced the infiltration time, has improved the infiltration efficiency, and the turbulence of turbulence generating device generation has promoted the flow of infiltration liquid, has avoided the situation that liquid local concentration is too high or too low.

The present application relates to a kind of green frozen sand mold additive manufacturing forming system equipment and method, including heat-insulated sealed printer shell;Detachable multifunctional printing platform;With temperature adjustment function's ink supply system;With heat insulation function's printing assembly;Adjustable sanding volume's sanding device;Adjustable interlayer refrigerator;Multi-material precooling sand mixing device;External control cooling and humidity refrigerating unit.The device of the present application is based on the principle of additive manufacturing, according to the designed three-dimensional digital model of casting, adopts interlayer cooling method to rapidly cool down and freeze the sprayed water-based ink, forms layer by layer, can quickly produce multi-material, green pollution-free, high-quality complex sand mold (core), meet the casting needs in many aspects, improve the performance and precision of casting, realize the high efficiency, high performance and green casting of complex casting.

The utility model discloses a spraying head of an electric heating coffee barrel. The spraying head comprises a spraying pipe column and a spraying head body. The spraying pipe column is connected to the top end of a spraying column of the coffee barrel; the spraying head comprises a diffusion opening and an arc-shaped top; the lower portion of the diffusion opening is communicated with the spraying pipe column and is of a horn-shaped structure with the upward section gradually enlarged. The arc-shaped top is of an arc-shaped top structure and is fixed to the top end of the diffusion opening. And a plurality of spraying openings are formed in the periphery above the diffusion opening. According to the utility model, the scattering ports and the spraying ports are used for synergistically guiding flow, and the trumpet-shaped diffusion port design is combined with the plurality of spraying ports distributed in the circumferential direction, so that water vapor can be converted from concentrated spraying to multidirectional diffusion, the coverage range is expanded, the surface of the extraction basket is ensured to be uniformly infiltrated, and local over-extraction or insufficient extraction is avoided.

The utility model discloses a horizontal traditional Chinese medicinal material infiltrating tank for traditional Chinese medicinal material processing, and relates to the technical field of infiltrating devices.The horizontal traditional Chinese medicinal material infiltrating tank for traditional Chinese medicinal material processing comprises an infiltrating tank body, a servo motor is fixedly installed on the outer wall of the infiltrating tank body, and a feeding hopper is arranged above the infiltrating tank body; a transmission shaft is fixedly mounted at the output end of the servo motor, a spiral stirring rod is fixedly mounted on the surface of the transmission shaft, and the device further comprises a feeding device and a vibration device; the feeding device comprises a fixing frame, a U-shaped plate, an electric push rod, a connecting plate, a fixing rod, a baffle and a sliding rod, the horizontal traditional Chinese medicinal material infiltrating tank for traditional Chinese medicinal material processing can effectively prevent medicinal materials from being stacked at one end in the infiltrating tank body, and meanwhile, the situation that the medicinal materials are stacked at the same position due to the fact that excessive medicinal materials are fed at a time is avoided; therefore, the soaking effect of partial medicinal materials is influenced, and the medicinal materials are soaked more uniformly.

The utility model relates to the technical field of liquid crystal glass substrate processing and manufacturing, in particular to a liquid crystal glass substrate conveying device which comprises a base. The motor is mounted on the base, and the motor is connected with the conveying assembly so as to convey the liquid crystal glass substrate; the multiple telescopic columns are vertically arranged and correspond to the multiple brush belts on the conveying assembly in a one-to-one mode, and a cleaning assembly is installed at the top end of each telescopic column; the liquid supply assembly comprises an alcohol tank and a peristaltic pump, one end of the peristaltic pump communicates with the alcohol tank through a hose, the other end of the peristaltic pump is connected with a plurality of flow guide pipes, and the tail ends of the flow guide pipes extend to the top ends of the corresponding telescopic columns; the liquid supply assembly and the cleaning assembly are arranged at the bottom of the conveying assembly, automatic cleaning of a brush belt can be achieved without shutdown, and the production efficiency of the liquid crystal glass substrate is improved; the angle of the atomizing nozzle is consistent with the inclination angle of the cleaning cotton, so that the cleaning cotton can be uniformly soaked, and the cleaning effect of the brush belt is improved.

The invention belongs to the technical field of composite material isolation sleeves, and discloses a forming method of a high-strength composite material isolation sleeve, before resin is cured, a 0.8-1.2 MPa pressure carrier is injected into a bag type male mold cavity, uniform tension in all directions is applied to a continuous fiber prefabricated body through bag body expansion, and a reserved gap between the prefabricated body and a female mold is matched with the tension expansion size. According to the design, the fibers are regularly arranged in the whole curing process, local curling and stacking are avoided, finally, the tensile property of the formed composite material isolation sleeve is greatly improved, the compression strength meets the strict requirement of a magnetic drive pump serving as a pressure-bearing component, and the failure risk caused by disordered fiber stress of a traditional product is fundamentally solved; the method comprises the following steps: firstly, sucking a module cavity for 15-20 minutes under the negative pressure of-0.095 to-0.098 MPa, and thoroughly exhausting air in the cavity; and the defoamed resin is sucked into the cavity by means of negative pressure, and meanwhile, the flow velocity is controlled to prevent fiber displacement, so that the resin is ensured to fully and uniformly infiltrate the preform.

The invention relates to a semiconductor equipment part surface coating process which comprises the following steps: S1, yttrium-containing composite coating deposition: putting a part into ALD deposition equipment, and introducing a precursor for coating deposition to obtain a part on which a yttrium-containing composite coating grows; and S2, plasma bombardment: carrying out plasma bombardment on the part on which the yttrium-containing composite coating is grown in plasma equipment so as to form a composite gradient fluorinated coating on the surface of the part and finally obtain a product. According to the method, a fluoride precursor does not need to be developed, the existing mature ALD process continues to be used, the development period is greatly shortened, the cost is reduced, and the prepared coating has good corrosion resistance, bonding performance and heat resistance.

This utility model provides a high-efficiency emulsification and mixing device for low-fat hot pot base, relating to the field of food processing equipment technology. It includes a base, a pre-emulsification tank on top of the base, a tank cover on top of the pre-emulsification tank, a solid feed inlet and a liquid feed inlet on top of the tank cover, a conveying pipe on one side of the pre-emulsification tank, a metering system at the other end of the conveying pipe, a motor on one side of the metering system, a high-efficiency emulsification tank at the bottom of the motor, a mixing buffer tank at the bottom of the high-efficiency emulsification tank, and a support leg and a discharge pipe at the bottom of the mixing buffer tank. By using a pre-emulsification tank, a spiral guide plate and stirring device designed using fluid dynamics are used to create a strong vortex during the initial material fall and pumping. This not only initially disperses solid materials but also allows water, oil, and powder to be initially and evenly wetted, avoiding subsequent "clumping" and laying the foundation for high-efficiency emulsification. This is faster than traditional mixing tanks and is a continuous process.

The application discloses a glass fiber reinforced polypropylene material, a preparation method and application, and belongs to the technical field of polypropylene engineering plastics. The material contains, in terms of weight parts, 40-70 parts of polypropylene resin, 20-50 parts of alkali-free continuous long glass fiber, and compounded antioxidants, compatibilizers, scratch-resistant agents, heat-resistant agents and light stabilizers. The alkali-free continuous long glass fiber has a diameter of 10-14 microns, a breaking strength of greater than or equal to 3000 MPa, and a linear density of 2400 tex or 3600 tex. The material has high strength, aging resistance and low-temperature impact resistance, and is suitable for automobile structural parts.

The invention relates to the technical field of catalysts, and discloses a high-efficiency catalyst for polyol synthesis and a preparation method thereof, the catalyst uses boron nitride with a hierarchical porous structure as a carrier, uses molybdenum and cobalt as active metal components, and performs surface modification through a specific organic ligand. The preparation method mainly comprises the following steps: carrier pretreatment, equivalent-volume impregnation loading of active components, temperature programming preliminary heat treatment, reduction activation under specific conditions, microwave-assisted surface modification and the like. The initial activity and selectivity of the catalyst are improved, it is guaranteed that the catalyst obtains high metal dispersity and excellent batch-to-batch stability, and the anti-sintering capacity and durability of the catalyst in the polyol synthesis reaction are improved.

The invention discloses a high-wettability gradient aperture composite diaphragm and a preparation process thereof. The diaphragm comprises a polyolefin base membrane layer and a synthetic fiber web layer prepared by a spunlace process, the overall thickness of the diaphragm is 8-12 [mu] m, the aperture of one side facing the positive electrode is 30-50 nm, and the aperture of one side facing the negative electrode is 50-100 nm; and the synthetic fiber web layer contains a tannic acid modifier. The tannic acid modified synthetic fiber web layer in the composite diaphragm can provide better wettability for the composite diaphragm, and polar functional groups on the surface of the tannic acid modified synthetic fiber web layer can homogenize lithium ion flow, guide uniform deposition of lithium and inhibit generation of lithium dendrites. The polyolefin layer mainly provides mechanical strength, and forms a gradient aperture structure with the spunlace modified polyethylene layer, so that the uniformity of current density is improved, the uniform deposition of lithium is effectively induced, and the growth of lithium dendrites is reduced.

The invention discloses browning liquid for a printed circuit board as well as a preparation method and application of the browning liquid, and aims to solve the problems that the interlayer binding force of the printed circuit board treated by the existing browning liquid is insufficient, and the oxidation rate is not matched with the film forming rate. The browning liquid takes sulfuric acid as a main etching agent, organic acid as an auxiliary etching agent, hydrogen peroxide as a main oxidizing agent and nitrobenzenesulfonate as an auxiliary oxidizing agent, and is matched with functional components such as a buffering agent and a corrosion inhibitor. During preparation, the temperature is controlled to be 25-30 DEG C, the stirring speed is 200-300 r / min, and the materials are added And treatment is performed for 0.5-2 minutes at the temperature of 30-40 DEG Through component synergy, a browning film is compact and uniform, the peel strength is larger than or equal to 5.7 lb / in, layering and board explosion are avoided under thermal stress, the stability of the browning liquid is good, the browning liquid is suitable for precise manufacturing of high-end PCBs, and practicability and industrial value are both achieved.