27results about How to "Increase infiltration rate" patented technology

The invention relates to the field of disposable hygienic product production equipment, in particular to high-diffusivity absorption core production equipment which is used for producing an absorption core with high diffusion speed and high absorption efficiency. Comprising a rack, a control unit, a forming die wheel, a first unwinding unit, a second unwinding unit, a third unwinding unit, a first wood pulp fiber discharging unit, a second wood pulp fiber discharging unit, a first macromolecular water-absorbent resin particle discharging unit, a second macromolecular water-absorbent resin particle discharging unit and a slitting unit. The forming die wheel is rotatably arranged on the machine frame, a plurality of die cavities are formed around the circumferential face of the forming die wheel, protruding strips are arranged on the bottom faces of the die cavities in a protruding mode, the forming die wheel comprises an air distribution bin, and a negative pressure adsorption area is formed on the forming die wheel through the air distribution bin. And the part, entering the negative pressure adsorption area, of the mold cavity is communicated with the gas distribution bin.

The invention provides a double-layer double-high type electrode, a reserve lithium battery and a preparation method thereof, the double-layer double-high type electrode comprises a current collector, a first active layer and a second active layer, the first active layer is located between the current collector and the second active layer, the first active layer contains an energy type active material, and the second active layer contains an energy type active material. The second active layer contains a pre-charged power type active material, and the open-circuit voltage difference between the energy type active material and the pre-charged power type active material is less than or equal to 0.5 V. The invention provides the double-layer double-high type electrode for the reserve lithium battery, which is quick in activation, high in energy density and good in rate capability, an efficient conductive network is constructed, and the discharge performance of the battery is improved; the porosity of the second material layer is regulated to be greater than that of the first material layer, and the seepage flow guide grooves are dug in the surface of the second material layer, so that the electrolyte infiltration rate of the electrode is improved, and the activation time is shortened.

The invention discloses a saline alkali soil conditioner and a preparation method thereof, and belongs to the technical field of soil improvement. The soil conditioner is prepared from the following raw materials in parts by weight: 100-200 parts of modified phosphogypsum, 5-10 parts of a microbial agent and 10-20 parts of an activating agent, the modified ardealite is prepared by compounding ardealite and modified coal gangue and then modifying with rare earth; the microbial agent is prepared by mixing bacillus subtilis, streptomyces cellulosae and bacillus mucilaginosus. Chemical-physical-biological improvement technologies are combined, so that the physical and chemical properties of the saline-alkali soil are effectively improved, the biological activity of the soil is improved, the growth of crops is promoted, the yield and disease resistance of the crops are improved, and the resource utilization rate of the ardealite is increased.

The invention belongs to the technical field of batteries, and particularly relates to a pole piece processing system, a pole piece processing method, a pole piece, a battery and a power utilization device. The pole piece processing system comprises a flame heating unit, wherein the flame heating unit is used for carrying out flame heating treatment on the pole piece. The method for treating the pole piece comprises the following steps: carrying out flame heating treatment on the pole piece, so that the surface temperature of the active layer is greater than or equal to the softening temperature or melting temperature of the binder and is less than the lowest temperature of the decomposition temperature, the oxidation temperature and the ignition temperature of the active substance. In the flame heating treatment process, the binder floating on the surface of the pole piece can be softened (melted) or ablated. After the floating binder is softened (melted) or ablated, the number of capillary pores of the pole piece is increased, and channels for electrolyte infiltration in the pole piece are increased, so that the electrolyte can infiltrate the pole piece more easily, and the electrolyte wettability of the pole piece is improved.

The invention provides granular planting soil and a preparation method thereof, and relates to the technical field of solid waste recycling. The granular planting soil provided by the invention is prepared from the following raw materials: engineering residue soil cake powder, charcoal and a liquid soil stabilizer, the mass ratio of the engineering muck mud cake powder to the charcoal is (96-98): (2-4); the ratio of the total mass of the engineering muck mud cake powder and the charcoal to the mass of the liquid soil stabilizer is 156: 1; the particle size of the granular planting soil is below 10 mm. According to the invention, the engineering muck mud cake can be reused, and the granular planting soil has high soil infiltration rate and fertility.

The invention relates to the field of disposable hygienic products, and provides a production process of an enhanced absorption core body, a paper diaper and pull-ups, and the production process comprises the steps of first polymer carrier conveying, wood pulp blanking, sap blanking, first water absorption particle blanking, second water absorption particle blanking and core body forming. The first water-absorbing particles and the second water-absorbing particles are arranged inside and on the top of the formed core body respectively, the first water-soluble films of the first water-absorbing particles and the second water-absorbing particles are dissolved when encountering water, the water-absorbing inner layer is released and makes contact with the water, water can be rapidly absorbed, the absorption speed and infiltration speed of urine can be greatly increased, and the core body is complex in structure and convenient to use. According to the technical scheme, multiple procedures are not needed for forming, forming is only conducted on the first macromolecule discharging device, the length of equipment is shortened, the production cost is greatly saved, the discharging accuracy of all material positions is improved, and the technical problem that the urine absorption speed of the core is low is solved.

The utility model discloses a battery central tube and a battery, the battery central tube comprises a central body, the central body is arranged in a roll core of the battery, and the central body is an aerogel structure body. Through the application of the aerogel central tube structure, the aerogel central tube structure suitable for the cylindrical battery is provided, the wettability of electrolyte in the battery can be effectively improved, the infiltration rate of the electrolyte in the periodic extrusion and infiltration process is promoted, and the electrical performance exertion of the battery is ensured; meanwhile, after the aerogel absorbs the electrolyte, the aerogel is converted into lyogel and is tightly attached to the inner wall of the roll core through the swelling effect, and the collapse problem of the center hole is relieved; the central tube has the characteristics of simple structure, light weight, flame retardance and acid and alkali resistance, the service life of the central tube is further prolonged, the infiltration of electrolyte and the transmission of gas generated in the working process of the battery can be promoted through the porous outer wall, and the cycle life of the battery is favorably prolonged.

The invention relates to a preparation process of a composite core body, which comprises the steps of first absorption layer forming, primary glue spraying, second core body forming, secondary glue spraying, second absorption layer forming and core body main body forming, the middle part of the top of the second core body is fixed only through a dotted second glue spraying part, and the two sides of the top of the second core body are not fixed by glue. When the top of the second core body absorbs a large amount of urine, the second core body can expand, and the flow guide groove provides enough expansion space for the second glue spraying part, so that the stripping force of the absorption core body is large, and the liquid absorption space of the second core body can be instantly increased; the first glue spraying part adopts the point-shaped first glue spraying points, so that the bottom of the second core body can expand after absorbing water, the whole second core body has a good expansion effect, the water locking and water absorbing capacity of the second core body is greatly improved, and the technical problems that the expansion space of the core body is limited, and the flow guiding and liquid absorbing effects are poor are solved.

The utility model discloses a sponge city seepage and drainage structure which comprises a seepage and drainage tower, a first leakage hole is formed in the top face of the seepage and drainage tower, a closed cavity is formed in the seepage and drainage tower, a water outlet is formed in the lower portion of the side wall of the seepage and drainage tower, a water outlet is formed in the upper portion of the side wall of the seepage and drainage tower, and a water inlet of the water outlet is provided with a second water pipe extending into the bottom of the interior of the seepage and drainage tower. The utility model further discloses a sponge city water circulation system which comprises the ecological rainwater storage and stagnation pools which are arranged on the two sides of a city road and are lower than the sponge city seepage and drainage structure in altitude, and the top of the sponge city seepage and drainage structure is lower than the lowest position of a low-lying area within a preset range. And a water outlet of the sponge city seepage and drainage structure is connected with the ecological rainwater storage pool through a connecting water pipe. The device can improve biological absorption and underwater infiltration efficiency of facilities such as wetlands or ecological wet ponds, can supply urban underground water in time, and can be widely applied to the technical field of drainage of sponge cities.

The utility model discloses a pole piece for a lithium battery and the lithium battery with the pole piece, the pole piece comprises a pole piece body, and a first groove and a second groove are arranged on at least one side surface of the pole piece body in the thickness direction; the first grooves extend in the first direction and are arranged at intervals in the second direction, and each first groove is provided with at least one bent part protruding in the second direction; and the second grooves extend in the second direction and are respectively communicated with the plurality of first grooves. According to the pole piece designed by the utility model, the surface of at least one side of the pole piece body in the thickness direction is provided with the first groove and the second groove, the first groove and the second groove can improve the infiltration rate of the pole piece, and meanwhile, electrolyte can be stored in the first groove and the second groove; and the electrolyte preservation amount of the part, which is not in contact with the electrolyte, of the pole piece is increased.

A multifunctional rainwater garden system for urban inland inundation treatment comprises a rainwater garden, an ecological pool and an underground water storage tank. The rainwater garden is arranged along the hardened ground, the ecological pool is arranged at the low-lying position of the inner side of the rainwater garden, a clear water tank of the underground water storage tank is connected with the ecological pool through a perforated pipe at the bottom, filtered rainwater is collected through the perforated pipe, and a rainwater tank of the underground water storage tank is connected with the ecological pool through an overflow grating and a pipeline on the bank. Overflowed rainwater is collected through the overflow pipe. According to the system, the rainwater infiltration speed and infiltration amount can be increased, the rainwater quality is preliminarily purified, the purified rainwater is collected for simple life use and flower and tree irrigation, the rainwater utilization rate is increased, rainfall flood regulation and storage and rainwater drainage are integrated, the drainage pressure of urban pipelines is relieved, and the risk and probability of urban inland inundation are reduced.

This invention provides a soil moisture infiltration structure for apricot forests in the Loess Plateau region. The structure includes a tree basin with a central pit where a tree is planted. Several infiltration pipes are evenly distributed around the pit. Each infiltration pipe has a tube body with openings at both ends, and the lower section of the tube wall has perforations. This soil moisture infiltration structure for apricot forests in the Loess Plateau region collects rainwater by excavating the tree basin and burying the infiltration pipes. The pit promotes rainwater infiltration along the sidewalls of the plant, while the pipes guide the rainwater into the deeper soil layers, promoting water absorption. Water and fertilizer regulation is achieved through these infiltration pipes. During rainfall, the structure collects rainwater and promotes deeper soil water absorption, accelerating the infiltration rate and reducing soil moisture evaporation. This effectively improves the soil moisture environment around the rhizosphere, promotes apricot tree growth, and increases fruit yield.

The utility model relates to a novel bottom supporting plate. The novel bottom supporting plate solves the problems of single flow guide direction and low infiltration rate of a battery bottom supporting plate in the prior art. The bottom supporting plate comprises a bottom tray, a plurality of frameworks which are placed in a disordered track are arranged on the bottom tray and form the battery bottom supporting plate on the bottom tray, the four circumferential sides of the battery bottom supporting plate are kept flush, every two crossed frameworks are positioned through a fixing structure, and a clamping and positioning mechanism is arranged between the ends of the frameworks and the bottom tray. The device has the advantages that the infiltration rate is increased, bubbles can be rapidly removed, the electrolyte diffusion process is not hindered, and the supporting stability is good.

The invention relates to the field of disposable sanitary products, and provides a production process for an enhanced absorbent core, and diapers and pull-up pants, comprising the steps of conveying a first polymer carrier, feeding wood pulp, feeding SAP, feeding first water-absorbing particles, feeding second water-absorbing particles, and forming a core body. The formed core body has first water-absorbing particles and second water-absorbing particles inside and on the top, respectively. The first water-soluble films of the first water-absorbing particles and the second water-absorbing particles dissolve in water, and the water-absorbing inner layer is released to contact with water, so that water can be absorbed quickly, and the absorption speed and infiltration speed of urine can be greatly improved. The core body has a complex structure and does not need to be formed by multiple processes. It is only formed on a first polymer feeding device, which shortens the length of the equipment, greatly saves production costs, improves the accuracy of feeding at each material position, and solves the technical problem of slow urine absorption speed of the core.

The application discloses a pole piece, an electrochemical device and an electronic device. The pole piece comprises a current collector and an active material layer. The active material layer is arranged on one surface of the current collector. The active material layer is provided with a first groove, a second groove and a third groove. The first groove extends along the length direction of the current collector. One end of the second groove is communicated with the first groove. The other end of the second groove is extended and arranged. A first included angle is formed between the extension direction of the second groove and the extension direction of the first groove. One end of the third groove is communicated with the second groove. The other end of the third groove is extended and arranged. A second included angle is formed between the extension direction of the third groove and the extension direction of the second groove. The pole piece aims to improve the transverse infiltration speed of the electrolyte in the battery and improve local lithium precipitation.

The application relates to a diaphragm and an electrochemical device and an electronic device comprising the same, and belongs to the technical field of electrochemical energy storage. The diaphragm provided by the application comprises a diaphragm base material and a solid-state ion source layer arranged on at least one side of the diaphragm base material, the solid-state ion source layer comprising lithium salt, a functional additive and an ion conductor composite, the ion conductor composite comprising a binder and an ion conductor; the lithium salt comprises at least one of lithium bisfluorosulfonylimide, lithium bis-trifluoromethanesulfonylimide, lithium difluoro(oxalato)borate, lithium tetrafluoroborate and lithium bis(oxalato)borate. The diaphragm provided by the application can be matched with a non-solute and low-viscosity electrolyte, the liquid injection time in preparation is reduced, the controllable release of lithium salt is realized, and the cycle stability and safety performance are improved.

The present invention relates to an ultrasonic accelerated infiltration rate device, comprising: a controller, an ultrasonic transducer with an ultrasonic horn at one end, an aluminum shell battery filled with electrolyte, a static box with a static cavity, a bottom plate placed in sequence at the bottom of the static cavity, an elastic gasket, a middle hole arranged at the bottom of the static cavity and penetrating the lower end of the static box, a lower hinge, an elastic horn whose lower end is hinged to one end of the ultrasonic horn through the lower hinge, an upper hinge passing through the middle hole and connected to the lower end of the bottom plate and the upper end of the elastic horn, an angle adjustment device for the elastic horn, a battery pressing device; the ultrasonic transducer is electrically connected to the controller. The ultrasonic accelerated infiltration rate device has high infiltration efficiency and good infiltration effect.

A nonwoven fabric with longitudinal fluid conducting function, the nonwoven fabric comprises a first fiber web and a second fiber web, and each fiber web has a plurality of discrete longitudinal fiber bundles, the distribution density of the longitudinal fiber bundles is 1-50 bundles / cm 2 The fibers of the longitudinal fiber bundles are the same as the fibers in the fiber web, by arranging a plurality of discrete longitudinal fiber bundles in each fiber web, when the liquid reaches the fiber web with longitudinal fiber bundles, the liquid will quickly penetrate to the second fiber web along the longitudinal fiber bundles distributed therein or even be conducted to the absorbent core, realizing the rapid longitudinal fluid conducting of the liquid and improving the liquid infiltration speed.

The utility model provides a novel sanitary absorption article. The novel sanitary absorption article comprises a liquid-permeable surface layer, a softening layer and an absorption core body or a breathable bottom layer which are sequentially arranged from top to bottom, wherein the softening layer is composed of two first soft silica gel strips which are parallel to each other and a second soft silica gel strip, and the second soft silica gel strip is located between the two first soft silica gel strips and is perpendicular to the two first soft silica gel strips, so that the softening layer is in an H shape; and a plurality of flow guide holes are uniformly distributed in the softening layer. The novel sanitary absorption article has the advantages of excellent liquid absorption speed, reverse osmosis prevention effect, softness and comfort.

The invention relates to the field of disposable hygienic products, in particular to a preparation process of a high-diffusivity absorption core body, the prepared absorption core body is high in diffusion speed and absorption efficiency, and the preparation process of a core body comprises the following steps: a, a top layer is unwound and conveyed through a first unwinding unit, and the upper surface of the top layer is glued; b, the first unwinding unit is connected with a control unit, and the discharging time is obtained; c, the blanking time in the step b is obtained, and the stop time is obtained; d, forming a first wood pulp fiber layer; e, forming a first macromolecular water-absorbent resin particle layer; f, the middle layer is unwound and conveyed through a second unwinding unit, and then the product in the step e is covered with the middle layer; g, gluing the upper surface of the middle layer in the step f; h, forming a second wood pulp fiber layer; i, forming a second macromolecular water-absorbent resin particle layer; and j, the bottom layer is unwound and conveyed through a third unwinding unit, and then the product in the step i is covered with the bottom layer.

The utility model discloses a hybrid corn seed germination accelerating and soaking device, which relates to the technical field of agricultural planting and comprises a soaking box, a cover net is arranged on the upper side in the soaking box, a plurality of sliding rods are fixed at four corners of the lower side of the cover net, and a plurality of water outlet holes corresponding to the sliding rods are formed in the lower side of the soaking box. And covering plates are arranged on the left side and the right side of the upper side of the soaking box, and supports are fixedly installed on the lower sides of the covering plates. According to the soaking box structure, the upper half part in the soaking box structure can contain many soaked seeds, the lower half part of the soaking box structure facilitates uniform gathering of the seeds, a water outlet of the soaking box structure is formed in a hole in the lower side so that water can be completely discharged, and a cover net on the upper side of the soaking box structure can press the soaked seeds at the beginning so that the soaked seeds can be completely soaked in water; by arranging the left cover plate and the right cover plate, water evaporation and external pollution are prevented, and ventilation in the box is guaranteed through the formed intervals.

The utility model relates to the technical field of water permeable bricks, in particular to an environment-friendly water permeable brick made of slag, which comprises a water permeable brick body, a water guide mechanism is arranged on the surface of the water permeable brick body, and the water guide mechanism comprises a first drain hole, a second drain hole, a strip-shaped water guide groove, a first annular water guide groove, a second annular water guide groove and a water guide pipeline. The first drainage hole is formed in the center of the upper surface of the water permeable brick body, the second drainage hole is formed in the inner bottom wall of the first drainage hole, the water guide pipeline is inserted into the second drainage hole, and the surface of the water guide pipeline is fixedly connected with multiple sets of supporting blocks; the two groups of annular water guide grooves gather water flow into the strip-shaped water guide grooves, then the radial strip-shaped water guide grooves can conveniently and rapidly gather rainwater into the first drainage holes, and the rainwater is rapidly guided into the ground through the water guide pipelines, so that the rainwater rapidly permeates to the outer side through the multiple groups of water seepage holes, and the water permeation speed of the water permeable brick body is effectively improved.

The utility model discloses a bamboo winding concealed conduit which comprises a composite pipe main body and a water-permeable sand-proof structure, the composite pipe main body sequentially comprises a lining layer, a reinforcing layer and an outer protective layer from inside to outside, the reinforcing layer is a bamboo skin layer formed by winding bamboo skin sheets, and the composite pipe main body is provided with a water seepage part and a water collection part along the pipe winding direction. The water seepage part is provided with a water seepage channel communicating the inside and the outside of the composite pipe body, and the water-permeable sand-proof structure covers the outer surface of the composite pipe body. The bamboo winding concealed pipe is made of bamboos and has the advantages of being renewable in raw material, green, low in carbon, energy-saving, environmentally friendly and the like, water outside the pipe can permeate into the pipe through the water seepage part, the water seepage amount is increased, the water-permeable sand-proof mechanism can accelerate the infiltration speed of the water outside the pipe, and the service life of the pipe is prolonged; moisture in the pipeline is discharged out of the saline-alkali soil body through the pipeline; the bamboo winding concealed conduit has the functions of water absorption, water collection and water drainage, the bamboo winding concealed conduit is introduced into saline-alkali soil improvement, and the application range of the bamboo winding concealed conduit is widened.

The utility model relates to the field of disposable hygienic products, in particular to a novel folding curve channel type absorber sheet which comprises an absorption layer and an upper cover layer covering the upper end face of the absorption layer, and the absorption layer is composed of base cloth and liquid absorption materials attached to the base cloth. The two sides of the absorption layer are cut in an S mode to form side portions of a wave curve structure, the two side portions are folded upwards and close to each other to form a wave curve-shaped groove which is located in the center of the absorption layer and used for diversion, and the upper cover layer covers the surface of the groove to fix the two side portions. The utility model solves the problem of infiltration rate of the existing absorption core body.

The application discloses a lithium ion battery diaphragm with thermal stability and a preparation method thereof, and belongs to the technical field of lithium battery diaphragms. The method comprises the following steps: polyvinylidene fluoride is stirred and mixed in N-methyl pyrrolidone to obtain a preliminary slurry; boehmite powder is placed in the preliminary slurry, stirred and mixed, and ultrasonic treatment is conducted to obtain a final slurry; the final slurry is scraped and coated onto a glass plate and dried to form a shape; and the dried coating layer is peeled off from the glass plate to obtain the lithium ion battery diaphragm. The application can simply and economically obtain a novel diaphragm for a lithium ion battery and is easy to be mass-produced industrially. The diaphragm has effectively improved thermal stability, can effectively inhibit the thermal runaway risk of a lithium ion battery in the case of fire and the like, and reduces personnel casualties and property losses.

The application discloses a kind of negative electrode slurry, negative electrode sheet and preparation method thereof, belong to negative electrode slurry technical field;The negative electrode slurry includes: negative electrode active material 84.5~99 parts, water 80~140 parts, dispersing agent 0.1~1.5 parts, conductive agent 0.1~4 parts, binder 0.1~4 parts, electrolyte reserve storehouse emulsion 0.01~4 parts, the high molecular particle of core-shell structure is contained in the electrolyte reserve storehouse emulsion, the inner core of high molecular particle is acrylate, butadiene and styrene copolymer, shell is the copolymer of acrylic acid and acrylonitrile.In the present application, electrolyte reserve storehouse emulsion is added in negative electrode slurry, the inner core of high molecular particle contained therein can effectively adsorb electrolyte, can play the role of liquid preservation;And shell has certain rigidity, avoid the volume expansion of inner core after adsorbing electrolyte and then affect the performance of negative electrode sheet.

The utility model relates to the field of disposable sanitary products, in particular to a sheet with an absorption function, which solves the problem of slow infiltration of an absorber and comprises an outer wrapping layer, an upper absorption layer and a lower absorption layer, the upper absorption layer and the lower absorption layer are arranged in the outer wrapping layer, the upper absorption layer is composed of 2-10 strip-shaped water absorption sheets which are distributed at intervals, and the lower absorption layer is composed of 2-10 strip-shaped water absorption sheets which are distributed at intervals. An infiltration channel facilitating liquid infiltration is formed between every two adjacent water-absorbing sheets, the outer wrapping layer located at the infiltration channel is subjected to hot pressing or ultrasonic welding to form pressing point parts distributed in a dot matrix shape, the outer wrapping layer is fixed to the lower absorbing layer through the pressing point parts, and the centers of the pressing point parts are punctured to form infiltration holes.