809results about How to "Increase the area" patented technology

The invention provides traditional Chinese medicine fermented disaccharide encapsulated nano anti-dandruff, hair-growing and oil-controlling shampoo and a preparation method, and relates to the field of daily chemical products, and the shampoo comprises the following components: a compound fermentation product, lactobacillus crispatus, lactobacillus plantarum, a disaccharide activity protection system, a basic component and a nano oil-controlling component; the compound leavening is prepared from cacumen biotae, radix polygoni multiflori, radix ginseng, fructus cnidii and orchid; the disaccharide activity protection system comprises maltotetraose and trehalose; the disaccharide activity protection system wraps a fermented material formed by fermenting the compound fermentation product, the lactobacillus crispatus and the lactobacillus plantarum to form a disaccharide glassy state layer; the nano oil control component is prepared from calamine powder and chitosan-sodium alginate; the basic component is prepared from tea bran, radix sophorae flavescentis, herba ecliptae, radix notoginseng, fructus ligustri lucidi, tea saponin microcapsules and tremella polysaccharide. According to the invention, through fermentation conversion of the orchid, disaccharide glassy state protection and slow release of the nano calamine, activity enhancement, stable retention and accurate release are realized, and the effects of removing dandruff, relieving itching, controlling oil and growing hair are achieved.

The application belongs to the technical field of polymer materials, and particularly relates to a high-performance fiber composite material and a preparation method thereof. The preparation method of the high-performance fiber composite material comprises the following steps: adding pretreated aluminum oxide whiskers into a solvent, then adding pretreated carboxymethyl cellulose and gallic acid, and heating to reflux to obtain modified aluminum oxide whiskers; then mixing epoxy resin, the modified aluminum oxide whiskers, a curing agent and an accelerator uniformly to coat a film to obtain a resin adhesive film; and compounding the resin adhesive film and carbon fibers through hot pressing to obtain carbon fiber prepreg, and heating and curing the obtained prepreg to obtain the high-performance fiber composite material. The fiber composite material obtained by the application not only has high strength and rigidity, but also has excellent toughness, can effectively resist the impact of the external environment, has oxidation resistance and long-term stability, and has a wide application prospect in the fields of aerospace and new energy equipment.

The invention relates to the technical field of soil improvement and ecological restoration, and discloses a liquorice planting method based on synergistic utilization of coal-based solid waste and desertified land, which comprises the following steps: crushing alkaline coal-based solid waste and acidic coal-based solid waste, mixing according to a mass ratio of 2: 8-4: 6, adding a modified humic acid-based heavy metal passivator and water, and uniformly mixing to obtain a mixture; uniformly mixing and aging to obtain a coal-based solid waste mixture; spreading the mixture on the surface layer of the desertification land, performing rotary tillage and deep tillage to mix the mixture with the sandy soil, and adjusting the pH value to be stable at 7.5-8.5; the treated liquorice seeds are sown, main roots are harvested in autumn of the third year, deep root systems and lateral root bud points are reserved, and overground straw is smashed and returned to the field; soil nutrition indexes are monitored regularly, other commercial crops are planted when the soil nutrition indexes reach a set threshold value, and if not, regeneration planting of the liquorice is maintained. Through synergistic compounding of acid-base solid waste and chelating of the passivating agent, substrate pH self-regulation and heavy metal resistance control are achieved, and the physicochemical property of sandy soil is improved.

The application relates to the technical field of organic wastewater treatment, in particular to a preparation method and application of an ozone catalyst, and the preparation method and application of the ozone catalyst, the method comprising the following steps: (1) ball milling, (2) melting and (3) staged cooling; the catalyst can promote the reaction between ozone molecules and refractory organic matters, effectively reduces the refractory COD in water, improves the COD removal rate, improves the ozone utilization rate, and achieves the purpose of improving the sewage treatment efficiency.

The utility model provides a fan and a ventilation device.The fan comprises a first cover plate, a second cover plate and a plurality of fan blades, the first cover plate is annular, and a first ventilation opening is formed in the inner side of the first cover plate; the second cover plate and the first cover plate are oppositely arranged at an interval, and a second ventilation opening is formed between the outer edge of the second cover plate and the outer edge of the first cover plate; the multiple fan blades are arranged between the first cover plate and the second cover plate at intervals around the center line of the first ventilation opening. The ends, close to the center of the first ventilation opening, of the fan blades extend into the first ventilation opening, so that the ends, close to the first ventilation opening, of the fan blades can be set to be high, the area of the fan blades is large, and the air volume is increased; and the end, close to the center of the first ventilation opening, of each fan blade is in the step shape with the height gradually increased in the direction from the center of the first ventilation opening to the edge of the first ventilation opening, noise can be effectively reduced, and therefore the fan is low in noise while having large air volume.

This invention discloses a grouting and sealing device for fault water hazard prevention, relating to the field of underground grouting and sealing technology in coal mines. It includes a grouting component body with a feed pipe fixedly installed on its inner surface. The grouting component body is equipped with at least two sealing mechanisms. Through the arrangement of these sealing mechanisms, when encountering a gourd-shaped borehole, the segmented arrangement of the first and second expansion capsules allows the external air supply end to inflate the first expansion capsule. With the cooperation of the connecting and limiting components, the first and second expansion capsules are positioned in the larger and smaller diameter areas of the gourd shape, respectively. This allows the first and second expansion capsules to expand to appropriate sizes after expansion, respectively, to cooperate with different areas during sealing. This avoids poor contact with the gourd-shaped borehole wall during sealing, increases the sealing contact area with the borehole wall, and ensures the sealing effect during grouting and sealing.

This invention designs a multi-scale star surface impact crater detection method, system, and medium. The method includes the following steps: S1: Acquire star surface images and segment them into image patches of different scales; S2: Construct multiple impact crater detection sub-models; S3: Train each sub-model using star surface image patches of different scales; S4: Input the segmented star surface image to be detected into each pre-trained sub-model to obtain the detection results; S5: Select the bounding boxes with high confidence and large area among all candidate bounding boxes of each impact crater as the final detection result for that impact crater. This invention can simultaneously identify impact craters of different scales in star surface images with high accuracy, especially improving the accuracy and efficiency of identifying small impact craters, providing more accurate and comprehensive data support for lunar science research, and promoting the in-depth development of lunar exploration and geological research.

The utility model relates to a table top extension type infusion support, relate to medical instrument field, including the storage box, the upper end surface fixed mounting of storage box has the support rod, the inside hollow of support rod, and the inner chamber of support rod is provided with thread in top area, the upper end surface mounting of support rod has the workbench board, the upper end surface fixed connection of workbench board has telescopic link, the fixed connection of connecting portion on workbench board edge has the connecting shaft post, the inner chamber of connecting shaft post inserts support rod, the utility model discloses a folding storage workbench is installed on infusion support, can effectively expand the area of workbench, and the medical staff is convenient on workbench with infusion pipe is installed on infusion bottle, has improved the efficiency to patient infusion, rotates workbench simultaneously, makes the suction disc of bottom form certain adsorption, and further greatly improved the stability of infusion support, even if more infusion bottle is placed on workbench board and handles also can not be dumped, and the safety performance has been greatly improved.

The invention provides a nitrogen-doped hierarchical pore carbon material as well as a preparation method and application thereof, and the preparation method comprises the following steps: sequentially dissolving urea, alkali metal hydroxide and / or a pore-forming agent in water to obtain a mixed solution, cooling the mixed solution, adding cellulose-based biomass, and dissolving the cellulose-based biomass to obtain transparent sol; freezing the transparent sol into a solid, and performing vacuum freeze drying to obtain a white loose solid; mixing and grinding the liquid polymeric monomer and the white loose solid, and performing heat treatment to obtain a solid product; and carbonizing the solid product in an inert atmosphere, and then pickling and washing the carbonized product. According to the preparation method, chain-shaped arrangement in cellulose-based biomass molecules is converted into three-dimensional net-shaped arrangement through dissolution, macropores are formed, a macropore framework is kept stable and does not collapse in the carbonization process through polymerization reaction, and the formed hierarchical pore carbon material has a micropore / mesopore / macropore coexisting three-dimensional structure and controllable specific surface area and pore size distribution; meanwhile, in-situ nitrogen doping can also be realized.

The application relates to the field of contaminated gas treatment, and particularly discloses a high-absorption VOCs absorbent and a preparation method thereof. The high-absorption VOCs absorbent comprises the following components in parts by weight: a solubilizing composition 20-30%; a cosurfactant 10-15%; solvent oil 40-50%; and water in the remainder. The solubilizing composition comprises component A, wherein the component A comprises polyoxyethylene nonionic surfactant and paeonol, and the weight ratio of the polyoxyethylene nonionic surfactant to the paeonol is 1: (0.1-0.2). The high-absorption VOCs absorbent and the preparation method thereof comprise the following steps: S1, uniformly mixing the solubilizing composition and the cosurfactant, adding water, and dropwise adding solvent oil to obtain the high-absorption VOCs absorbent. The high-absorption VOCs absorbent can be used for industrial absorption of solvents in waste gas, has the advantages of high absorption rate and an absorption amount of 141.5-145.7 mg / g after 50 hours of ventilation, and the preparation method has the advantages of few steps, simplicity and high efficiency.

The invention discloses a method for preparing porous activated carbon based on pulse electrochemical activation, the porous activated carbon and application, and the method comprises the following steps: preparing a working electrode plate from carbon powder, and placing the working electrode plate in an electrolyte for pulse electrochemical square wave circulation treatment, wherein the electrolyte is an aqueous solution containing sulfuric acid, persulfate, sulfate and a cationic surfactant, stripping, cleaning and drying to obtain the porous activated carbon. According to the preparation method, the carbon powder is prepared into the working electrode plate, and the working electrode plate is subjected to pulse electrochemical square wave circulation treatment in the electrolyte containing the sulfuric acid, the persulfate, the sulfate and the cationic surface active agent, so that the porous activated carbon with large specific surface area, high electro-adsorption capacity and good conductivity can be prepared; when being used as a raw material for preparing a capacitive deionization electrode, the composite material shows good conductivity, high desalination capacity and high desalination rate, can be widely used for electro-adsorption desalination, and is high in use value and good in application prospect.

A kind of ground consolidation ramming device, the ground ramming technical field, including ramming unit, further include: vertical arm, first ramming plate, receiving slot, let place slot, pivot, rotating seat and second ramming plate, vertical arm is vertically arranged along vertical direction;First ramming plate is vertically and fixedly installed at the bottom end of vertical arm;Receiving slot is provided with two, and two receiving slots are symmetrically opened on the upper surface of second ramming plate.The utility model can flexibly control the folding, unfolding state of second ramming plate at first ramming plate, to adjust the ground ramming contact area;When increasing area, single-time ramming area is larger under the same construction scale, reduces the frequency of repetition, improves construction efficiency;Second ramming plate is retracted to first ramming plate, and ramming area can be reduced, which is convenient for narrow area operation;It can be adjusted according to the ground condition, adapt to complex working conditions, improve the versatility and flexibility of equipment, reduce equipment purchase cost.

This utility model relates to the technical field of heating equipment for livestock farming, and discloses an infrared radiation plate for pig nursery pigs, including a shell and a first heating element. The first heating element is located inside the shell and is attached to the inner front wall of the shell. Compared with heating tubes, the first heating element provided by this utility model can provide a uniform heating effect for the infrared emitting plate, and the radiant heating area is large. Therefore, it is not necessary to use multiple heating tubes to heat the living environment of the nursery pigs, which can avoid the problem of increased pig farming costs due to increased purchase costs of heating plates. Moreover, the infrared emitting plate provided by this utility model has a simple structure, and users can directly plug it in after delivery, eliminating complicated installation procedures. In the humid and regularly disinfected environment of the pig farm, the service life of the infrared emitting plate is longer than that of heating tubes, which can greatly reduce the equipment investment of pig farming enterprises.

This utility model discloses an easily adjustable telescopic tube structure, belonging to the technical field of telescopic tube fittings. It includes an inner tube, an outer tube, an elastic element, a tappet, a fixing element, an adjusting button, and an elastic reset element. The outer tube is slidably sleeved on the outside of the inner tube. A through hole is formed on the side wall of the inner tube, and a locking hole is formed on the side wall of the outer tube. The elastic element is located inside the inner tube. The tappet is connected to the elastic element and can pass through the through hole and the locking hole. The fixing element is fixedly mounted on the outer tube. The adjusting button is slidably mounted on the fixing element. The elastic reset element is telescopically located between the adjusting button and the outer tube. The orthographic projection of the adjusting button along its sliding direction is larger than the orthographic projection area of ​​the tappet. When the adjusting button is pressed, it pushes the tappet to move, causing the tappet to disengage from the locking hole. This telescopic tube structure reduces the pressure on the user's fingers by moving the tappet through the pressing of the adjusting button, facilitating efficient adjustment and simplifying operation.

The utility model relates to an excavator breaking hammer protective knife structure which comprises a breaking hammer fixing frame (1), a breaking hammer body (2) and a breaking drill bit (3), the breaking hammer body (2) is arranged on the breaking hammer fixing frame (1), and the breaking drill bit (3) is arranged at one end of the breaking hammer body (2). The breaking hammer is characterized in that the breaking hammer fixing frame (1) is provided with a protection piece (4) used for protecting and / or a breaking part (5) used for breaking or smashing objects, the protection piece (4) is matched with the breaking hammer fixing frame (1), and the protection piece (4) and / or the breaking part (5) are / is fixedly connected with or integrally formed with the breaking hammer fixing frame (1). According to the design, on one hand, the breaking hammer can be protected, and on the other hand, the breaking efficiency is improved.

The utility model discloses a kind of electronic expansion valve with filtering function, including stator assembly, valve core assembly and valve body, and the valve body is equipped with import passage, export passage and adjusting channel, one end of import passage and export passage is communicated with adjusting channel, valve core assembly is connected on valve body, and one end of valve core assembly is located in adjusting channel, stator assembly is fixed on valve body, and the upper end of valve core assembly is inserted into stator assembly, filter assembly is arranged in import passage, filter assembly is detachably connected to import passage, the utility model is reasonable in structure, the fluid flowing into valve body can be filtered by filter assembly, prevent the channel in valve body from being blocked by sundries, and it is easy to install and clean.

The application belongs to the technical field of carbonyl sulfur hydrolysis catalysts, and discloses a high-efficiency sulfur-resistant catalyst for carbonyl sulfur hydrolysis, a preparation method and application thereof.The preparation method comprises the following steps: (1) preparing a porous ceramic carrier containing alumina, titanium dioxide and zirconium dioxide; (2) in-situ growing a metal organic framework material containing lanthanum, bismuth and cerium on the surface of the porous ceramic carrier by using a solvothermal method; (3) performing a calcination treatment on the porous ceramic carrier loaded with the metal organic framework material in an oxygen-containing atmosphere to obtain a catalyst precursor; and (4) performing a reducing gas plasma bombardment treatment on the catalyst precursor to obtain the high-efficiency sulfur-resistant catalyst.The high-efficiency sulfur-resistant catalyst has high-efficiency low-temperature activity, excellent sulfur resistance and long service life.

This application relates to a cleaning structure for a range hood, including a main body with an air duct system. The air duct system includes a volute, a nozzle, an impeller, and a guide ring. The nozzle is mounted on the guide ring of the volute. A water pump and a gas generating device are installed on the back panel of the main body. The gas generating device has two electrodes. When the water pump operates, it draws liquid and delivers it to the inlet of the gas generating device. The two electrodes continuously generate hydrogen and oxygen, which dissolve in water to form nano-bubble water. The outlet of the gas generating device is connected to the nozzle, which has a spray pipe parallel to the impeller and with its outlet direction aligned with the center of the impeller. This solution, by generating nano-bubble water, immerses the impeller in liquid for an extended period, maximizing the cleaning effect of the nano-bubble water.

The utility model discloses a tubular electric tar precipitator relates to industrial waste gas treatment equipment technical field, it includes casing, inlet pipe, sedimentation pipe subassembly, corona pole, sedimentation pipe subassembly contains a plurality of sedimentation pipes, still includes upper head, lower head, airflow equalizer, tar collection tank, drain pipe, heating jacket and sealing door, and the gas that waits for processing enters casing through inlet pipe, is evenly distributed to each sedimentation pipe by airflow equalizer, under the electric field effect that corona pole generates, and tar is adsorbed in the inner wall of sedimentation pipe, and then is collected to tar collection tank, and heating jacket prevents tar solidification, and is discharged through drain pipe, the utility model discloses has improved tar trapping efficiency and equipment stability, and the practicality is strong, is suitable for industry popularization.

This invention belongs to the field of membrane separation technology, specifically relating to a method for preparing a polytetrafluoroethylene (PTFE) composite membrane. The preparation method includes: (1) dissolving a spinning aid, a barium source, a titanium source, and a manganese source in a composite solvent, and then electrospinning to obtain precursor fibers; subsequently, blending the precursor fibers with a grain refiner, and heat-treating to obtain doped ferroelectric fiber bundles; (2) further polymerizing organic acids, inorganic acids, conductive fillers, and conductive polymers with monomers and oxidants to finally obtain a conductive polyaniline composite; (3) incorporating Mxene and the conductive polyaniline composite into an aqueous PTFE emulsion, and then further incorporating the doped ferroelectric fiber bundles and stirring to obtain a suspension; the suspension is then coated, post-treated, and kept warm to obtain a PTFE composite membrane. This invention improves the long-term fouling resistance of the PTFE membrane by doping the doped ferroelectric fiber bundles, the conductive polyaniline composite, Mxene, and PTFE.

The utility model relates to a heat dissipation type new energy automobile battery shell, relates to the technical field of battery shells, and aims to solve the problem of poor heat dissipation of a battery shell, the heat dissipation type new energy automobile battery shell comprises a main shell body, the two ends of the main shell body are open, heat dissipation end covers are arranged at the two ends of the main shell body, and any heat dissipation end cover comprises a base and a flow guide outer cover; the base is arranged on the side, close to the main shell, of the flow guide outer cover, the base and the flow guide outer cover are each of a hollow structure and communicate with the interior of the main shell, flow guide through holes are formed in the four side walls of the base in a penetrating mode, and a fan module is arranged in the main shell. And a fan notch for air flow to circulate is formed in the main shell. The battery pack has the effects of effectively absorbing heat generated by the battery and quickly dissipating the heat.

The application relates to a lighting device, which comprises a frame, a light-emitting assembly and a backboard assembly; the frame comprises a frame body and a connecting part, the frame body has a containing space and a light outlet, the light outlet is communicated with the containing space, and the connecting part is connected to the wall surface of the frame body facing the containing space; the light-emitting assembly is contained in the containing space, the light-emitting assembly has a light-emitting surface, and the light-emitting surface is arranged opposite to the light outlet; the backboard assembly is contained in the containing space and arranged on the side of the light-emitting assembly away from the light outlet, the backboard assembly comprises a plate body and a fixing support, and the plate body and the fixing support are connected to each other and cooperatively clamp the connecting part. The lighting device provided by the application does not need to reserve a connecting structure for connecting the backboard assembly on the connecting part, can reduce the protruding size of the connecting part relative to the frame body to a certain extent, can increase the area of the light-emitting surface of the light-emitting assembly, and then increase the area of the light outlet of the frame, so that the light-emitting area of the lighting device is effectively increased.

This invention, entitled "Exhaust Gas Turbocharger for Internal Combustion Engines," relates to an exhaust gas turbocharger used in internal combustion engines. It primarily addresses the problems of current turbochargers, such as low impeller speeds, small exhaust volume, and exhaust gas flow limited to a predetermined path within the exhaust pipe. The turbocharger of this invention comprises two turbines connected by a shaft. An exhaust gas inlet is located on the exhaust turbine, and an air outlet is located on the intake turbine. Its key feature is that the impellers of the exhaust and intake turbines are centrifugal exhaust gas impellers and centrifugal air impellers, respectively. The exhaust gas discharge pipe connected to the intake is a circular pipe with the same inner diameter, and an exhaust gas baffle is installed between the outlet of the exhaust gas discharge pipe and the exhaust gas inlet. When the internal combustion engine operates at maximum power, the impeller speed is high, the exhaust gas inlet is equipped with an exhaust gas baffle, and the area of ​​the exhaust pipe is the same as the area of ​​the exhaust gas inlet, resulting in a larger exhaust gas discharge area and increased exhaust gas volume.

The utility model discloses a raw material sand drying device for concrete, which comprises a shell, a spreading component and a feeding component, the spreading component is rotatably connected in the shell, drying fans are connected to two sides of the top of the shell through bolts, the feeding component is arranged between the drying fans at the top of the shell, and the spreading component is connected with the feeding component through bolts. A dust removal assembly is arranged on the back of the shell. The material spreading assembly comprises a rotating plate, the surfaces of the top and the bottom of the rotating plate are connected with rubber pads in a gluing mode, a drying groove is formed in the shell, and a recycling groove is formed in the position, located at the bottom of the drying groove, in the shell. The auxiliary spreading mechanism is additionally arranged, raw material sand is automatically rolled and spread in an overturning and sliding mode, the contact range and area of the raw material sand and heat can be increased, the drying efficiency can be improved, the concrete production cost can be reduced, and therefore the using effect is improved.

The utility model discloses a deep dehydration mechanism and a belt type dehydrator with the deep dehydration mechanism, and the deep dehydration mechanism comprises a driving dehydration roller which is rotatably arranged on a rack; the plurality of grinding rollers are annularly wound on the outer side of the driving dewatering roller, a squeezing passage is formed by the grinding rollers and the outer surface of the driving dewatering roller, and the upper filter cloth and the lower filter cloth penetrate through the squeezing passage in a transmission manner; the tensioning assembly is connected with the plurality of grinding rollers and applies tensioning force to the plurality of grinding rollers; the high-frequency vibrator is arranged on the tensioning assembly and transmits high-frequency vibration waves to the grinding rollers so that the high-frequency vibration waves can act on the cenobium in the sludge and wall breaking of the cenobium can be achieved. The large-diameter driving dewatering roller is adopted and combined with high-frequency vibration tensioning, the filter cloth has a larger wrap angle and a larger squeezing dewatering area during deep dewatering, cenobium in sludge generates a wall breaking effect under the rolling pressing force of the grinding roller and the high-frequency vibration effect, so that water wrapped in the cenobium is separated out, and the dewatering effect is greatly improved. The dewatering efficiency is high, the structure is simple and the practicability is strong.

This utility model discloses a multifunctional massage chair frame. The backrest frame is connected to the main body of the chair frame via a backrest guide rail. One end of the backrest push rod is hinged to the main body of the chair frame, and the other end is hinged to the five-claw base. The leg support frame is movably connected to the main body of the chair frame. One end of the leg-lifting push rod is hinged to the main body of the chair frame, and the other end is connected to the first connecting rod via a connecting rod. The first connecting rod is connected to the third connecting rod via a second connecting rod. The third connecting rod is connected to the leg support frame. The leg support frame is connected in the middle, and a leg sliding groove is provided on the side of the leg support frame. The leg sliding groove is connected to one end of the leg-lifting connecting rod assembly, and the other end of the leg-lifting connecting rod assembly is connected to the main body of the chair frame. This utility model achieves synchronous and coordinated movements of backrest lifting and leg raising and extension through a linkage mechanism, effectively improving the user experience, protecting the leather cover structure, and enhancing operational flexibility and user comfort.

The utility model relates to a kind of stripping device, comprising: electroplating bath, stripping anode and stripping cathode.Electroplating bath includes: outer tank and the inner tank received in outer tank.Outer tank and inner tank are all insulation tank body.Stripping anode is located at the outside of inner tank and is used to contact material belt to realize the electrical connection between material belt and power supply anode.Stripping cathode includes: erecting on the electrically-conductive frame of inner tank and the stripping plate of connecting electrically-conductive frame.Electrically-conductive frame is used to realize the electrical connection between stripping plate and power supply cathode.Stripping plate is located in inner tank and is immersed in the electroplating solution of inner tank.Build stripping structure, using the mode opposite to electroplating, the surface of material belt is stripped and handled, not only solve the problem of local plating layer over-thickness, but also adjust the distribution uniformity of plating layer thickness of each area on material belt, to solve the problem of local plating layer over-thickness in electroplating processing.