763results about How to "Fast absorption" patented technology

A water evaporation dry and comfortable refrigeration cap comprises a main body part, a cooling area is arranged on the main body part, and the cooling area comprises an outer layer, an inner layer and a water absorption layer arranged between the outer layer and the inner layer; the outer layer is a screen cloth layer, a plurality of meshes are formed in the outer layer, and the inner layer is ice silk cloth; the water absorption layer is made of one or two of PVA absorbent cotton and SAF absorbent cotton. Efficient refrigeration and cooling are achieved through the simple structural design, and the air conditioner is easy and convenient to manufacture, low in cost, energy-saving, environmentally friendly and high in popularization significance.

The all-dimensional 3D printing powder cleaning device comprises an adsorption cover which is arranged in a printer shell and located above a forming cylinder, and a lead screw moving part for driving the adsorption cover to move in the printer shell in the horizontal direction is further arranged at the top end in the printer shell. A lead screw moving part is installed on the forming cylinder, a lead screw connecting part connected with the adsorption cover is installed on the lead screw moving part, the lead screw connecting part drives the adsorption cover to move up and down and cover the forming cylinder, so that the adsorption cover forms a closed powder adsorption space above the forming cylinder, a powder adsorption connecting pipe fitting is installed at the top end of the adsorption cover, and an air blowing connecting pipe is installed on one side of the adsorption cover. After printing is finished, the adsorption cover automatically absorbs powder at the forming cylinder, manual treatment is not needed, metal powder does not need to be exposed in air, and the risk is reduced.

The invention discloses a carbon ceramic composite friction material and a preparation method thereof. The carbon ceramic composite friction material is prepared from the following raw materials in parts by weight: 5-10 parts of short carbon fibers, 15-25 parts of ceramic fibers, 15-25 parts of calcium sulfate whiskers, 10-15 parts of microporous filler, 3-5 parts of a friction increasing regulator, 3-5 parts of a friction reducing regulator, 0.2-0.5 part of superfine silicon carbide, 0.05-0.1 part of a dispersing agent, 3-6 parts of polysilazane and 3-5 parts of high-temperature-resistant phenolic resin. And 0.5-1 part of polytetrafluoroethylene powder. Polysilazane is adopted to treat short carbon fibers, so that the carbon fibers form a good ceramic high-temperature-resistant layer, and high-temperature oxidation of the carbon fibers in the carbon-ceramic composite friction material is effectively prevented; the use amount of phenolic resin is reduced, and the high-temperature stability of the carbon-ceramic composite friction material is improved. Through cooperation of the friction-increasing modifier, the friction-reducing modifier, the calcium sulfate whiskers, the microporous filler and the polytetrafluoroethylene, the friction coefficient is kept stable at high temperature during braking, and abrasion caused during high-load braking is reduced. Long-time high-temperature sintering is not needed in the production process, and energy-saving and environment-friendly preparation of the carbon-ceramic friction material is achieved.

The invention discloses a high-safety battery heat management system with high-temperature heat dissipation, low-temperature heating and heat spread suppression considered. The high-safety battery heat management system comprises a power battery pack and a heat management system, the power battery pack comprises a battery pack consisting of a plurality of square battery cells and a large-scale battery module formed by connecting the battery packs in parallel; a plurality of battery cells are connected in series in each battery pack, the battery packs are vertically arranged, the large-scale battery module is formed by horizontally arranging the battery packs, and each battery pack comprises equal or unequal battery cells; the thermal management system comprises a flexible flame-retardant phase-change material, a liquid cooling plate, a heating film and aerogel; a part of side surfaces between the battery cells are uniformly filled with a flexible flame-retardant phase-change material, the other side surfaces are wrapped by aerogel, the bottoms of the battery cells are connected with an integrated unit of a heating film and a liquid cooling plate, and the heating film is positioned at the positions of the battery cells for heating; the battery pack is cooled through water cooling and phase change latent heat; heating the battery pack through a heating film at the bottom of the battery cell; and the thermal runaway of the battery is inhibited through the combination of the flexible flame-retardant phase-change material and the aerogel.

The invention relates to the technical field of hollow fiber preparation processes, in particular to a preparation process of a hollow fiber fabric with heat preservation, dryness and moisture absorption functions. The process comprises the following steps: firstly, selecting polyester, polylactic acid and polyester master batch as spinning raw materials, carrying out melt mixing, and carrying out hollow melt spinning by adopting a hollow fiber spinning plate to obtain hollow fibers; then, the hollow fiber obtained through spinning is made into yarn, and after the water washing or alkali washing process is conducted, the hollow fiber fabric is obtained through the weaving process; finally, the hollow fiber fabric is subjected to dipping modification treatment with the modification finishing liquid, and the hollow fiber fabric with the heat preservation, dryness and moisture absorption functions is obtained. Polyester and a small amount of polylactic acid are blended and then spun to obtain the hollow fiber, polyester master batches are added into the hollow fiber at the same time, the fiber wall of the hollow fiber can be damaged through subsequent water washing and alkali washing processes by means of addition of the master batches and the effect of the polylactic acid, moisture absorption is facilitated, and therefore the moisture absorption effect is improved; the prepared hollow fiber has a unique hollow structure, so that air is easily stored in the hollow structure, and a certain warm keeping effect is achieved; a certain groove structure is formed in the surface of the fiber, so that the fiber has a capillary effect and a good warm-keeping effect; the hollow fibers not only can quickly absorb moisture through the damaged outer wall, but also can facilitate moisture volatilization by virtue of the air permeability of the hollow fibers, so that the fabric can be quickly kept dry and comfortable.

The invention belongs to the technical field of secondary batteries, and discloses a negative pole piece, a preparation method of the negative pole piece and a quick-charge type lithium ion battery. The negative electrode plate comprises a negative electrode current collector, a bottom coating layer coated on the surface of the negative electrode current collector and an upper coating layer coated on the surface of the bottom coating layer, the active substance in the material of the bottom coating and the active substance in the material of the upper coating are respectively and independently graphite negative electrode materials, and the OI value of the active substance in the material of the bottom coating and the OI value of the active substance in the material of the upper coating are respectively and independently smaller than or equal to 15. Graphite with different OI values is adopted for layered coating, the ion impedance of the pole piece is reduced, the rate capability of the pole piece is improved, and the problem that the energy density and the rate capability cannot be considered at the same time due to insufficient electrolyte wettability, insufficient dynamic performance and poor conductivity caused by thickening of the negative pole piece is solved.

The invention provides a rhombic heat pipe type heat collecting pipe which is characterized in that a sealed vacuumizing space is formed among an upper cavity, a lower cavity, an ascending pipe and a descending pipe, and the lower cavity is filled with liquid; the condenser is arranged on the lower portion of the heat collecting pipe and used for concentrating sunlight to the lower portion of the lower cavity and heating liquid in the lower cavity, and the liquid evaporates along the ascending pipe after absorbing heat, enters the upper cavity and then returns to the lower cavity along the descending pipe. And at least one part of the ascending pipe, the descending pipe and the upper cavity exchanges heat with a cold source in the heat collecting pipe. The structure of the heat collector is improved, the upper cavity, the lower cavity, the ascending pipe and the descending pipe are arranged, liquid in the cavities can be rapidly evaporated, the whole ascending pipe, the whole descending pipe and the whole heat collecting pipe are filled with steam, a cold source in a base pipe is rapidly heated, and the absorption speed of solar energy is greatly increased.

The paper diaper comprises a skin-friendly layer, a urine absorption product and a liquid-tight bottom layer which are sequentially arranged in a stacked mode, a waistline leakage-proof structure is arranged between the skin-friendly layer and the liquid-tight bottom layer, and the urine absorption product is arranged in an interlayer area between the skin-friendly layer and the waistline leakage-proof structure. The auxiliary core body and the main core body in the urine absorption product contain super water-absorbent resin in different proportions, the layered design is beneficial to rapid absorption of urine and prevention of back seepage, the leakage-proof performance is improved, the liquid-leakage-proof middle layer located at the bottom of the urine absorption product can isolate the main core body from the liquid storage core body, and the leakage-proof performance of the urine absorption product is improved. The main core body can bear a large amount of urine flowing out suddenly, so that the liquid storage core body cannot be polluted and lose efficacy, when the urine absorption product loses efficacy in side leakage prevention, solute concentration between the flow guide core body and the liquid storage core body is not uniform, surface tension changes accordingly, and due to the fact that the surface tension of liquid with different concentrations is different, the urine absorption product cannot be polluted. This may cause the liquid to flow along areas with lower surface tension.

The invention relates to a double-layer hydrogel dressing with double functions as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. The hydrogel dressing is composed of an inner layer and an outer layer, the inner layer is a treatment layer with a diabetes wound healing promoting effect, and the outer layer is a detection layer with a blood glucose monitoring effect; the aperture of the hydrogel of the inner treatment layer is more than 10 times that of the hydrogel of the outer detection layer, and the inner layer and the outer layer are attached in a physical and chemical mode. According to the hydrogel dressing, the outer layer is small in pore diameter and compact in structure, the inner layer is large in pore diameter and loose in structure, the two layers are tightly combined, extraction of percolate and colorimetric detection of blood sugar at a wound are achieved, and the hydrogel dressing has excellent biocompatibility, antibacterial property, self-healing performance and swelling performance.

The invention relates to the technical field of food processing and functional drinks, and discloses a peptide-component-rich health-preserving liqueur which comprises the following components in percentage by weight: 50-65% of Maotai-flavor liquor, 10-20% of yellow wine, 3-7% of water, 10-20% of peptide components, 1-5% of plant extract and 5-10% of other components, the invention also discloses a preparation method of the health-preserving liqueur rich in peptide components, which comprises the following steps: S1, peptide treatment: carrying out directional enzymolysis on the peptide components, controlling the enzymolysis temperature at 40-50 DEG C and the enzymolysis time at 2-4 hours; and S2, microcapsule coating: coating the treated peptide components in cyclodextrin, gelatin or Arabic gum. By adopting a compound formula of multiple peptide components and combining technologies such as microcapsule coating, directional enzymolysis, low-temperature co-fermentation and nano-emulsification, the stability and bioavailability of the peptide components are remarkably improved, meanwhile, the flavor and taste of a wine body are optimized through a two-stage fermentation process, the wine body is more mellow and smoother, and the taste of the wine body is improved. The requirements of the market on the high-quality health-preserving liqueur are met.

The utility model discloses a sports shoe upper and a shoe, the sports shoe upper comprises a shoe upper base layer, the shoe upper base layer comprises a first splicing part, a second splicing part and a third splicing part, the first splicing part corresponds to a forefoot area and a heel area of a human foot; the second splicing part is positioned in the middle section area of the arch between the front sole area and the heel area; the third splicing part extends along the edge of the vamp, is connected with the sole and is connected with the first splicing part and the second splicing part; the fixing line is arranged at the junction of the first splicing part, the second splicing part and the third splicing part; the vamp base layer is formed by splicing a first splicing part, a second splicing part and a third splicing part, and the splicing parts are regions which are formed by weaving TPU yarns in an interweaving mode and have different weaving intensities. According to the sports vamp and the shoe, the softness and hardness of each part of the vamp base layer are adjusted by arranging the areas with different weaving intensities on the vamp base layer, the vamp fits the foot movement of a user, and the sports performance of the user is improved.

The invention relates to a traditional Chinese medicine composition with functions of tonifying qi and nourishing blood for livestock. The traditional Chinese medicine composition comprises the following components in parts by weight: 10-30 parts of astragalus membranaceus, 10-40 parts of spina gleditsiae, 10-20 parts of angelica sinensis, 10-20 parts of codonopsis pilosula, 10-30 parts of uniflower swisscentaury root, 10-30 parts of ligusticum wallichii, 10-20 parts of cowherb seed, 10-20 parts of fruit of liquidambar formosana hance and 1-10 parts of iron sucrose. The traditional Chinese medicine composition is scientific and reasonable in component, free of toxic and side effects and medicine residue, convenient to take and low in cost, has the functions of tonifying qi and nourishing blood, stimulating the menstrual flow and prompting lactation, and is capable of effectively treating diseases of postpartum hypogalactia, breast milk stoppage and the like which are normal in livestock.

The utility model relates to the field of knitted fabric dust removal, in particular to a knitted fabric dust removal device which comprises dust removal equipment, an installation frame is arranged in the middle of the dust removal equipment, connecting frames are arranged on the two sides of the installation frame, and a dust sticking roller is installed in the dust removal equipment between the connecting frames through a connecting plate. A hydraulic cylinder is arranged at the top of the mounting frame, a telescopic rod is arranged at the bottom of the hydraulic cylinder, dust collection equipment is arranged at the tail end of the telescopic rod, a connecting block is arranged in the bottom of the dust collection equipment, and a rubber sleeve is arranged at the top of the connecting block. According to the dust collection device, the dust sticking roller and the auxiliary roller are arranged between the connecting frames, the knitted fabric can be subjected to dust collection through the dust collection paste on the dust sticking roller when penetrating through the space between the dust sticking roller and the auxiliary roller, and the telescopic rod can be driven by the hydraulic cylinder so that the dust collection device can ascend and descend; and dust on the dust sticking roller can be quickly absorbed, and the dust absorption efficiency of the dust absorption equipment on the knitted fabric is improved.

A solar evaporator comprises a heat insulation floating block, a plurality of water delivery rods with the water absorption characteristic are perpendicularly arranged on the heat insulation floating block in a penetrating mode, each water delivery rod comprises a water absorption part located below the heat insulation floating block and an evaporation part located above the heat insulation floating block, and the water absorption parts are immersed into a water source to be treated. Hydrophilic photothermal conversion coatings are arranged on the upper surface of the heat insulation floating block and the outer surface of the evaporation part. The water conveying rod forms a water conveying channel, water can be rapidly conveyed to the surface of the evaporator from the bottom of the evaporator, light energy can be efficiently converted into heat energy through the photo-thermal conversion characteristic of the photo-thermal conversion coating, the temperature of the surface of the evaporator is rapidly increased, efficient absorption of solar energy and rapid evaporation of water are achieved, and the device is simple and low in manufacturing cost.

The invention relates to the technical field of casting, and discloses a special-shaped chilling block structure for strong chilling and a rapid preparation method.The special-shaped chilling block structure for strong chilling comprises a chilling block body, imbedding connecting pieces are arranged on the two sides of the bottom of the chilling block body, and the imbedding connecting pieces are of hollow structures; an inverted-U-shaped cooling through hole is formed in the portion, between the two imbedding connecting pieces, of the chilling block body. The chilling block body is of a fan-shaped structure, the multiple chilling block bodies form a ring, the interior of the ring is assembled on a sand core, and the surface of the ring is used for chilling of a casting special-shaped structure. The method has the advantages that a thin sand shell only needs to be replicated and printed, low-cost resin sand is used for filling and molding after rapid assembly, and production can be achieved through pouring, due to the fact that most of expensive printing sand materials are replaced with the low-cost resin sand, the manufacturing cost is low, the method has the advantages of 3D printing manufacturing accuracy and short period, and the method is suitable for large-scale popularization and application. The method is suitable for mass production.

The invention discloses external emulsifiable paste for directionally delivering tranexamic acid to an epidermal layer, which is prepared from the following raw materials in percentage by weight: 1-15% of tranexamic acid, 0.5-7% of alpha-arbutin, 0.3-4% of edetate disodium, 1-5% of azone, 1-5% of sodium dodecyl benzene sulfonate and the balance of water. The skin care product is prepared from, by weight, 0.1%-2% of salicylic acid, 1%-10% of glycerin, 2%-15% of propylene glycol, 0.1%-4% of tween-80 or 0.4%-2% of sorbitan oleate, 0.5%-5% of alpha-tocopherol, 0.5%-5% of diisostearyl alcohol malate, 0.5%-6% of soybean phospholipid, 1%-10% of glycerin monostearate, 0.5%-10% of tetradecanol, 0.02%-0.1% of propyl hydroxybenzoate, 1%-10% of stearic acid, 0.5%-6% of stearyl alcohol and the balance water. Meanwhile, the invention also discloses a preparation method, experiments show that the external cream prepared by the invention has strong capacity of delivering tranexamic acid to the epidermal layer and can ensure that the tranexamic acid can be quickly absorbed by cells to take effect, and the defect that tranexamic acid is difficult to pass through skin cuticle obstacles due to strong hydrophilicity is overcome.

According to the euphausia superba oil jelly and the preparation method and application thereof, euphausia superba oil and walnut oil are combined, nutritional ingredients which are rich in Omega-3 fatty acid, EPA, DHA and the like and beneficial to brain health can be provided for consumers, choices of different hardness and elasticity are achieved through the reasonable proportion of gelidium amansii powder and water, and the euphausia superba oil jelly has the advantages of being good in taste, good in taste and good in taste. The low-sugar low-calorie jelly has the advantages that the low-sugar low-calorie low-calorie jelly meets the taste requirements of consumers of different age groups such as children and old people, in addition, erythritol is adopted as a sweet source, the sugar content of the jelly is effectively controlled, the calorie intake is reduced, the low-sugar low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie low-calorie the release time of nutritional ingredients in a digestive system can be prolonged, and the absorption efficiency of nutrients is further improved, so that perfect combination of delicious taste, functions and health is realized.

The invention discloses a novel keratin-based dual-network hydrogel dressing as well as a preparation method and application thereof. The preparation method comprises the following steps: cross-linking chitosan, halloysite nanotubes and keratin to form a first network structure; tannic acid is introduced for further dynamic crosslinking with chitosan molecules, and a second network structure is formed; and freezing and drying to obtain the keratin-based double-network hydrogel dressing. According to the method, a freeze-drying technology is adopted, feather keratin (KP), halloysite nanotubes (HNTs) and chitosan (CS) are utilized, and the double-net-shaped hydrogel dressing which has rapid and effective hemostatic performance, antibacterial activity and biocompatibility and can promote healing is prepared. And a novel and efficient method is provided for wound healing.

The invention relates to the technical field of zinc oxide preparation, and particularly discloses a waste heat utilization device for preparing zinc oxide by a dry method, the waste heat utilization device comprises a thermal insulation outer cylinder and a settling cylinder, the lower end of the settling cylinder is connected with a V-shaped connecting pipe, and the other end of the connecting pipe is connected with a vertically upward settling pipe; a plurality of fan-shaped columnar heat storage boxes are rotationally arranged on the outer wall of the settling cylinder in the heat preservation outer cylinder, each heat storage box is filled with a phase change heat storage material, and a plurality of heat exchange pipes vertically penetrate through the heat storage boxes; compared with traditional waste heat recovery equipment, the device has the advantages that high-temperature flue gas is recovered on line and can be released and utilized at any time, zinc oxide powder in the high-temperature flue gas can be settled through the two vertical flue gas movement processes of the heat exchange pipe and the settling barrel, and the zinc oxide powder in the high-temperature flue gas can be recycled at any time. The problems of waste heat recovery and powder sedimentation of existing zinc oxide high-temperature flue gas are effectively solved.

The invention provides a black fungus liquid fermentation culture medium and a black fungus polypeptide preparation method. The liquid fermentation culture medium comprises glucose, cane sugar, peptone, KH2PO4, MgSO4. 7H2O, vitamins and the like. The preparation method comprises the following steps: inoculating a black fungus mother strain into a black fungus mycelium liquid fermentation culture medium, and carrying out liquid fermentation to obtain black fungus mycelia; mixing the auricularia auricula mycelia with water according to proper comparison, performing ultrasonic treatment, adding protease, and performing enzymolysis reaction at 45-55 DEG C to obtain enzymatic hydrolysate; and centrifuging the enzymatic hydrolysate, concentrating, adding 95% ethanol of which the volume is 3-5 times that of the enzymatic hydrolysate, staying overnight at 4 DEG C, centrifuging, taking supernate, concentrating, and freeze-drying to obtain the black fungus polypeptide. According to the method, the yield of black fungus mycelia and the content of black fungus polypeptides can be remarkably increased.

The invention discloses a macloxvir oral soluble film agent and a preparation method thereof, and relates to the technical field of medicines. The macloxvir oral soluble film agent comprises the following components in percentage by weight: 10%-20% of macloxvir, 10%-70% of a film-forming material, 3%-15% of a disintegrating agent, 2%-25% of a plasticizer, 0%-5% of a flavoring agent and 0%-3% of an auxiliary material. The macloxvir oral soluble film preparation has the advantages of no irritant taste, smooth surface, uniform drug content, fast disintegration speed, fast absorption, convenient administration, and improvement of the compliance of patients. The film agent can be used for resisting viruses.

The utility model provides a comprehensive breathable adult diaper, which relates to the technical field of diapers and comprises a diaper main body, a liquid collecting space is arranged at the center of the diaper main body, a plurality of miniature breathable holes are arranged in the diaper main body, a first breathable layer is arranged in the diaper main body, a moisture absorption layer is attached to the bottom end of the first breathable layer, and a second breathable layer is attached to the bottom end of the moisture absorption layer. And an odor removal layer is attached to the bottom end of the moisture absorption layer. The miniature air holes are closely distributed in the diaper main body, so that the air permeability of the diaper main body is better, and the first air permeable layer and the second air permeable layer are arranged, so that the part of the diaper without the miniature air holes can be subjected to air permeable treatment, and the air permeability is better; and by arranging the moisture absorption layer and the moisture removal layer, the urine can be rapidly absorbed and treated, the urine is prevented from being discharged through the micro air holes, the practicability is higher, the moisture absorption layer is made of a high-absorption polymer, and the high-absorption polymer can rapidly absorb the urine and lock the urine in a fiber structure so as to keep the surface dry.

The invention relates to the field of hygienic products, and discloses a macroporous super-breathable, dry and comfortable hygienic product and a preparation process thereof, and the macroporous super-breathable, dry and comfortable hygienic product comprises a macroporous non-gel composite non-woven fabric, a nano platinum antibacterial layer, intelligent super absorbent resin and a softened surface layer. A macroporous structure is introduced into the surface of the non-woven fabric, so that the absorption speed of liquid and the air circulation are obviously improved; the nano platinum antibacterial layer endows the product with efficient antibacterial performance, effectively inhibits the growth of bacteria, and improves the hygienic guarantee of a user; the intelligent SAP automatically adjusts the water absorption capacity according to the environment humidity, rapidly expands under the high-humidity condition, improves the water absorption efficiency, locks the liquid and prevents the liquid from permeating back; the surface layer subjected to softening treatment further improves the comfort and the skin-friendly property of the product, and skin friction is reduced. The product is suitable for baby diapers, female sanitary napkins and adult incontinence nursing products, excellent air permeability, dry and comfortable performance and antibacterial performance are provided, and the comfortable experience of a user is remarkably improved.

The invention relates to the technical field of waste gas treatment, and discloses laboratory fume hood waste gas treatment equipment which comprises a treatment box, an air inlet pipe is fixedly connected to the front side face of the treatment box, a reciprocating lead screw is arranged in the air inlet pipe, and fixing clamping plates are fixedly connected to the upper face and the lower face of the inner wall of the treatment box. According to the device, large-particle impurities in waste gas are blocked by the filter plate and separated from the waste gas, so that the waste gas is preliminarily filtered, follow-up treatment is facilitated, the large-particle impurities on the filter plate are shaken off through vibration of the movable clamping plate and the filter plate, the filter plate is prevented from being blocked, continuous filtering is facilitated, and the filtering efficiency is improved; large-particle impurities falling into the treatment box can be treated by pushing a sliding baffle to open the treatment box, and at the moment, a filtering plate can be taken out to be cleaned, so that the large-particle impurities cannot be accumulated in the treatment box, and the waste gas filtering effect of the device is further promoted.

The invention discloses a flexible and stable three-layer porous structure hemostatic dressing and a preparation method thereof, and belongs to the technical field of biological medicine. The preparation method of the hemostatic dressing comprises the following steps: constructing a stable foaming system by using protein and polysaccharide, constructing a dual three-dimensional network by combining multi-source polysaccharide and tannic acid, and designing a large-area dressing structure by overlapping the dual three-dimensional network with cotton gauze; carrying out Ca < 2 + > cross-linking impregnation and freeze drying in a weak acid environment to prepare an integrally formed three-layer dual-network multi-source porous structure dressing; the dressing has three layers of different structures, has an extremely fast hemostatic effect, reduces the amount of bleeding, can effectively maintain the humidity of a wound, avoids invasion and infection of bacteria, and can quickly and effectively sterilize; good shape maintaining and recovering capability is realized; meanwhile, the advantages of the porous structure and the cotton gauze are integrated, the structure is enriched, the structural stability of the large-area dressing is improved, the dressing can be stored for a long time in a normal-temperature environment, and the physical basic performance of the dressing meets the requirements of medical dressings.

The invention discloses a straw powder filled biodegradable composite material and a preparation method thereof, and relates to the technical field of biodegradable composite materials, the preparation method of the biodegradable composite material comprises the following steps: S1, pretreating straw; s2, impurities are removed through winnowing; s3, removing magnetic impurities; s4, cleaning and drying; s5, performing high-pressure steam treatment; s6, drying in the oven and crushing again; s7, adding into a high-speed mixer and mixing; s8, extruding the biodegradable composite material, and cooling and shaping the biodegradable composite material; and S9, cutting and polishing are conducted, and performance testing is conducted. The biodegradable composite material is prepared from agricultural waste, waste accumulation is reduced, sustainable development is promoted, the straw powder filled biodegradable composite material has biodegradability, high strength and good processability, and the straw powder filled biodegradable composite material is suitable for large-scale production. The problems of reducing agricultural wastes, enhancing mechanical properties and environmental protection performance, improving processability and reducing raw material cost can be solved.

The invention belongs to the technical field of power distribution equipment, and particularly relates to a power distribution network area intelligent fusion terminal convenient to overhaul, which comprises a mounting box, a box door is hinged to one side of the mounting box, an area intelligent fusion terminal body is mounted on the inner wall of the rear side of the mounting box, and an air inlet pipe is arranged at the top of the area intelligent fusion terminal body. The air inlet pipe is rotationally inserted into the top of the mounting box in a penetrating mode, and the top end of the air inlet pipe is designed to be closed. Through the arrangement of the heat dissipation assembly, in the use process of the transformer area intelligent fusion terminal body, cooling liquid in a heat dissipation box can uniformly flow on the inner wall of the front side of the heat dissipation box along a flow guide plate under the evaporation and auger blade conveying effects; and therefore, heat transferred into the heat dissipation box by the mounting box can be quickly absorbed by the cooling liquid on the inner wall of the front side of the heat dissipation box, and the heat dissipation speed of the cooling liquid on the mounting box is increased.

The utility model belongs to the technical field of down lamps, and particularly relates to a down lamp with a moisture-proof gasket, which comprises a ceiling and a down lamp body, the ceiling is provided with a mounting hole, the inner wall of the mounting hole is provided with the moisture-proof gasket, the moisture-proof gasket is arranged at a connecting gap of the down lamp body, and the moisture-proof gasket comprises a waterproof breathable layer, a moisture-absorbing quick-drying layer and a sealing layer. A moisture-absorbing and quick-drying layer is arranged on the inner wall of the waterproof breathable layer, a sealing layer is arranged on the inner wall of the moisture-absorbing and quick-drying layer, the diameter of the moisture-proof gasket is the same as that of the mounting hole, the moisture-absorbing and quick-drying layer is filled with a drying agent, first vent holes are formed in the inner wall of the waterproof breathable layer, and second vent holes are formed in the outer side of the moisture-absorbing and quick-drying layer; and the first through hole is communicated with the second through hole. According to the device, the down lamp body can be installed in a humid environment, meanwhile, long-term humidity changes and complex installation environments can be effectively handled, the stability of the lamp is remarkably improved, and the service life of the lamp is remarkably prolonged.

The invention discloses a quartz sand smelting furnace with a preheating function, and relates to the technical field of smelting furnaces, the quartz sand smelting furnace comprises a smelting furnace, a supporting seat is rotatably connected to the outer side wall of the smelting furnace through a motor, two furnace doors are symmetrically and rotatably connected to the top of the smelting furnace, and a preheating turning assembly is arranged at the top of the smelting furnace and comprises a hydraulic rod; the hydraulic rod is fixedly connected to the top of the supporting seat, a preheating furnace is fixedly connected to the telescopic end of the supporting seat, and two discharging doors are symmetrically and rotationally connected to the bottom end of the preheating furnace; the preheated quartz sand enters the smelting furnace, the temperature fluctuation in the smelting furnace can be reduced, the continuity and stability of the working process of the smelting furnace can be kept, meanwhile, the initial temperature of the preheated quartz sand is high, and the preheated quartz sand can reach the melting point and be molten more quickly after entering the smelting furnace; therefore, the melting time of each batch of quartz sand in the melting furnace can be shortened, and meanwhile, the energy consumption required for heating the quartz sand can be reduced, so that the production efficiency of the melting furnace is improved.

The utility model discloses a beauty instrument. The beauty instrument comprises a main shell; the auxiliary shell is detachably arranged on the main shell; the microneedle device is arranged on the auxiliary shell, and the microneedle device comprises a microneedle used for acting on the skin; at least part of the atomization device is arranged on the auxiliary shell and located on one side of the microneedle device, and the atomization device is used for generating beauty spray; and the driving device is arranged on the main shell, acts on the microneedle device and is used for driving the microneedle to move. According to the beauty instrument disclosed by the utility model, when the beauty spray generated by the atomization device is sprayed to the surface of the skin, tiny spray particles can more easily pass through tiny skin channels so as to quickly enter the interior of the skin to be absorbed, the absorption speed is high, and the absorption effect is good.