182results about How to "Fast inflow" patented technology

This invention relates to a water collector with high water coagulating rate surface that used in air. Its feature is that the collector surface is consisted by discharging basement, hydrophilic little prominence arranged on discharging basement and condensed water collector. the little prominence is two kinds of cylindrical form and quadrangular form, diameter of the cylindrical form is 0.2-1.0mm, height is 0.1-1mm, side length of quadrangular form is 0.2-1mm, height is 0.2-1mm, the advantages of this invention is simple and practical, the hydrophilic prominence can quickly agglutinate moisture in air, the moisture can be quickly flowed into water collector by discharging basement, so the water coagulating rate is improved.

The invention relates to a cooling device which comprises a pressure cavity cover piece, a perforation plate and a microchannel matrix plate in sequential sealed connection through waterproof silica gel. A first liquid collection cavity and a second liquid collection cavity are symmetrically formed on one side, connected with the perforation plate, of the microchannel matrix plate and communicated through a plurality of microchannels, and one side, connected with the pressure cavity cover piece, of the perforation plate inwards concaves to form a cavity which is sealed through the pressure cavity cover piece to form a pressure cavity; multiple perforation holes communicated with the microchannels penetrate the bottom of the pressure cavity, the perforation plate is provided with a first liquid outlet and a second liquid outlet on two sides of the cavity, and a liquid inlet communicated with the pressure cavity is formed in the middle of the pressure cavity cover piece. Cooling is realized by means of combining jet flow impact with the microchannels, so that the characteristic that the microchannels are large in heat exchange area can be utilized, the characteristic that jet flow impact is high in local heat exchange efficiency can be utilized, the problem of nonuniform cooling is solved, and heat exchange efficiency of the whole device is improved.

The invention discloses an emergency solar-powered seawater desalination device which is simple in structure, and convenient to use and carry. During emergency states in marine perils or seriously polluted water areas, the solar heating and evaporating mode is used so that seawater or polluted water can be converted into distilled water. According to the emergency solar-powered seawater desalination device, an upper cover comprising an integrally-formed cooling water channel and a solar heating evaporator comprising an integrally-formed fresh water collection tank are used, and the structure is simplified; a cone-shaped part is arranged on the upper cover, a hydrophobus material coating is sprayed on the inner wall of the upper cover, seawater cooling is conducted, steam can be cooled rapidly, condensation efficiency is high, the distilled water can not be adhered to the upper cover easily, and the distilled water can flow into the fresh water collection tank efficiently and rapidly. Meanwhile, a solar evacuated tube technology is adopted in the material of the solar heating evaporator, and thus the heating and evaporating speed of the seawater to be desalted can be increased. The emergency solar-powered seawater desalination device is ingenious in design, small in size, little in investment, and suitable for the emergency states that fresh water is used up in marine perils and water can not be drunk in seriously polluted areas.

The present invention provides an oil pump in which eroding of the inside of the pump due to cavitation and erosion is prevented by minimizing the pressure change in a fluid when inter-tooth spaces formed by an inner rotor and an outer rotor transport the fluid from the intake port to the discharge port. The oil pump comprises: an inner rotor; an outer rotor; an intake port; a discharge port; a transfer side partition part formed between a terminal end of the intake port and a leading end of the discharge port; and a shallow groove which is formed in the transfer side partition part, and which communicates with the discharge port but does not communicate with the intake port. The shallow groove does not intersect with the cell on the transfer side partition part, and is positioned farther inward than the circular locus of the gear bottom parts of the inner rotor. The shallow groove communicates with the cell through a side clearance between the transfer side partition part and the rotor side surfaces of the inner rotor and the outer rotor.

The invention discloses a tightening system of a concrete rectangular column formwork and a construction method of a concrete column, and relates to the technical field of concrete building. The system comprises an abutting device mounted on a side wall of a formwork around the concrete column, the abutting device comprises four cross bars which are connected in sequence, are closely adjacent tothe formwork and are provided with isosceles right-angled triangle-shaped two ends, clamping blocks which are disposed on the ends of the cross bars and faced to an oblique surface of one side of theformwork, clamping grooves which are formed in the other ends of the cross bars, faced to the oblique surface of the side of the formwork and clamped and cooperated with the clamping blocks and locking assemblies which connect the clamping grooves and the clamping blocks, and the locking assemblies protrude from the surfaces of the cross bars. By fixing the positions of the clamping blocks and theclamping grooves through the locking assemblies, the fixing between the adjacent cross bars is achieved, thereby achieving the purpose of fixing the concrete formwork, the operation is simple and convenient, and a large amount of time is saved, thereby greatly improving the efficiency of fixing the formwork.

The invention relates to the technical field of sewage treatment, in particular to building sewage treatment equipment and a using method thereof. The building sewage treatment equipment comprises a sewage pool, a separation device is arranged in the sewage pool, and the separation device comprises a separation barrel with an upward opening and a driving mechanism used for driving the separation barrel to rotate; the separation barrel is vertically arranged, and the outer wall of the separation barrel is provided with a plurality of water filtering holes for the water body to pass through; at least one sand outlet groove and first sealing mechanisms in one-to-one correspondence with the sand outlet grooves are arranged on the outer wall of the bottom of the separation barrel, the sand outlet grooves penetrate through the inner wall of the bottom of the separation barrel, and an annular sand collecting box with an upward opening is arranged below the separation barrel; the first sealing mechanism comprises a first sealing plate and a first spring, the first sealing plate is attached to the outer wall of the bottom of the separation barrel, and the first sealing plate is slidably connected to the separation barrel in the radial direction of the separation barrel; one end of the first spring is fixedly connected to the separation barrel, and the other end of the first spring is fixedly connected to the first sealing plate. The sand and stone separation efficiency can be improved.

The invention in particular relates to a die for producing a reflecting body of a lamp frame of a selenium lamp. The invention comprises a terrace die and a cavity die, wherein a die cavity convex surface of the reflecting body of the lamp frame of the selenium lamp is arranged on the terrace die, a die cavity concave surface of the reflecting body of the lamp frame of the selenium lamp is arranged on the cavity die, the terrace die and the cavity die are combined to form a die cavity of the reflecting body of the lamp frame of the selenium lamp, a plurality of slag bags are arranged on a die combining surface of the cavity die, cooling water slots are arranged on the terrace die and the cavity die, a pourer of the die is arranged on the terrace die, the pourer adopts setback type pourer surface, slots are formed on a portion of the pourer which is communicated to the die cavity of the reflecting body of the lamp frame of the selenium lamp, the slag bags are arranged on one side of the concave surface of the die cavity of the reflecting body of the lamp frame of the selenium lamp, the concave surface is corresponded with the pourer, and a plurality of air discharging slots are arranged on the concave die which is on a portion of the slag bags. Due to the structure, the invention has the advantages of good air discharging, reasonable flow diversions of metal fluid, and the metal fluid can be flowed rapidly into the die cavity of the reflecting body of the lamp frame of the selenium lamp, parting surfaces are reasonable, mold openings are convenient, material explosion can be avoided effectively, and mold opening efficiency can be increased.

The invention discloses a method for hydraulic forming of a tee pipe using teflon film local lubrication. A rectangular teflon film is designed according to the diameter of a pipe billet and the diameter of a tee pipe branch pipe, the center portion, where the tee pipe branch pipe is to be formed, of the pipe billet is symmetrically wrapped with the teflon film to replace the mode that the outside of the entire pipe is coated with oily lubricant or completely wrapped with lubricating fluid in the prior art, and thus operation is made more convenient. Moreover, in the forming process, the branch pipe position can be better lubricated, materials can flow into a branch pipe mold cavity quickly, and fracturing caused by insufficient supplementing of the branch pipe forming materials is avoided. Meanwhile, due to the fact that the back portion of the branch pipe is not wrapped with a thin film, friction is large, the material flowing speed is low, and wrinkling cannot happen easily.

The invention discloses a sieve plate. The sieve plate comprises a first filter plate and a second filter plate. The first filter plate is disposed above the second filter plate with a distance between the first filter plate and the second filter plate being 1-2 cm. The right ends of the first and second filter plates are connected through a connecting plate and the left ends of the first and second filter plates are connected through a connecting plate. The first filter plate is provided with first filter holes which are inverted cone type filter holes. The second filter plate is provided with second filter holes which are cone type filter holes. The hole diameter of the upper ends of the second filter holes is smaller than the hole diameter of the lower ends of the first filter holes. The first filter plate removes large particles in coal water slurry and the hole diameter of the upper ends is large, so that large particles are stopped and small particles flows rapidly into the lower second filter plate. The filter holes on the upper end of the second filter plate are small and can further filter the coal water slurry.

The invention discloses an intelligent tea set with automatic water adding and tea serving functions. The tea set comprises a tea tray, a tea kettle set installed on the right side of the tea tray, atea cup rotating plate rotationally installed on the left side of the tea tray, a plurality of tea cups adsorbed on the tea cup rotating plate through magnetism, and a tea kettle installed on the teatray and between the tea kettle set and the tea cup rotating plate; the tea kettle set comprises the tea kettle; a water outlet pipe is connected with the lower portion of the side wall of the tea kettle; a water outlet of the water outlet pipe faces right under; the tea kettle comprises a tea kettle base inserted on a tea kettle installation base, a kettle body at the upper end of the tea kettlebase and a tea kettle lid at the upper end of the kettle body; a water injection port used for injecting boiled water is formed in the tea kettle lid; a tea outlet is formed in the bottom face of thekettle body; the tea kettle base is rotationally provided with a lower valve piece which is driven by a tea outlet electromagnet to control the tea outlet to be opened and closed. A tea cup rotation motor is arranged to drive the tea cup rotating plate to rotate, and the tea outlet electromagnet controls the lower valve piece to be opened and closed so that tea in the tea kettle can be poured intothe tea cups on the tea cup rotating plate.

The invention relates to the medicine field, especially relates to a perfusion device, which can rapidly carry out connection and perfusion when obtaining a supplied liver in an organism (liver) transplant operation, and specifically relates to a supplied-liver quickly-fixed perfusion device for liver transplant. The perfusion device comprises a puncture guiding device and a connecting ring for connecting a perfusion pipe. The puncture guiding device is a puncture steel wire, a contractible and magnetic ring is arranged on the top end of the steel wire, the top end of the connecting ring is in a conical shape, the bottom of the connecting ring is connected to a perfusion pipe, a unidirectional valve is arranged in the bottom of the connecting ring, the top of the connecting ring is made of an iron-containing material, the top of the connecting ring is matched with the contractible ring, and the top of the connecting ring and the contractible ring absorb on each other through magnetic force. The operation of the device is simple, practicable, and pertinent. The device is mainly used to carry out rapid perfusion when obtaining a supplied liver in a liver transplant operation, and is capable of rapidly and effectively performing liver perfusion so as to obtain a high quality liver.

The invention discloses an automatic coating device. The automatic coating device comprises a vertical plate, a transverse plate arranged at the lower portion of the vertical plate, a material distribution box arranged on the left side of the upper portion of the transverse plate, a coating box arranged on the right side of the upper portion of the transverse plate, a coating recycling box arranged in the transverse plate, a moving box arranged on the right side of the vertical plate, a moving mechanism arranged in the moving box, a coating mechanism arranged in the coating box, and a cutting-off mechanism arranged on the material distribution box. The automatic coating device is characterized in that the moving mechanism comprises a first motor, a first screw rod arranged at the upper portion of the first motor, a first nut arranged at the outer portion of the first screw rod in a sleeving manner, and a lifting part arranged on the right side of the first nut, wherein the first nut can move vertically on the first screw rod.

.The invention discloses a squeezing device for plant juice extraction, and belongs to the field of plant juice extraction. The squeezing device comprises an extraction box, the bottom of the side surface of the extraction box is fixedly connected with a supporting base, one side of the top of the extraction box is fixedly connected with an extrusion box, and one side of the extrusion box is fixedly connected with a crushing box through a connecting block. One side of the top of the crushing box is movably in cup joint with a feeding plug, the middle of the top end of the crushing box is movably in cup joint with a crushing shaft, the top end of the crushing shaft is fixedly connected with a crushing motor, and the side face of the crushing shaft is fixedly connected with crushing springs.According to the squeezing device for plant juice extraction, by arranging the crushing box, the feeding plug, the crushing shaft, the crushing motor and the crushing springs, in the plant juice extraction process, plant rhizomes or blocky plant fruits can be conveniently cut and crushed in multiple directions through the diversity of the movement direction of the crushing springs, and accordingly, the crushing effect of plant rhizomes or blocky plant fruits is improved.

The invention relates to a parallel type automatic coin sorter which comprises a machine frame, a sorting sieve mechanism, a parallel mechanism, a drive system, a control system and a coin storage box. The drive system and the control system are mounted on a bottom layer of the machine frame; the parallel mechanism and the sorting sieve mechanism are arranged on an upper layer; the coin storage box is arranged below the sorting sieve mechanism; the sorting sieve mechanism comprises a sorting sieve frame, a screw adjusting mechanism arranged at the bottom of the sorting sieve frame, and multilayer sorting sieves at different heights on the sorting sieve frame; the parallel mechanism comprises a crank and rocker mechanism and a crank and slider mechanism arranged on left and right sides of the machine frame, the crank and rocker mechanism is connected with the left side of the sorting sieve frame through a revolving pair, and the crank and slider mechanism is connected with the right side of the sorting sieve frame through a connecting rod. The sorting sieve mechanism provided by the invention not only makes complicated space motion, but also sorts the plurality of layers at the same time, and is simple in structure, low in manufacturing cost and reliable in performance; coins with values of one Yuan, five Jiao and one Jiao (in two sizes) can be rapidly sorted.

The invention discloses a cleaning device for aquatic products. The device comprises a cleaning cylinder and a roller; the roller is arranged in the cleaning cylinder in a rotational connection mode; water holes are uniformly arranged on the roller; a hollow circular seat is fixed at the bottom of the cleaning cylinder; the roller is rotatably connected to the circular seat; the bottom of the roller communicates with the circular seat; the circular seat communicates with an air inlet pipe; one side of the cleaning cylinder is equipped with an axial flow-equalizing pipe; in the cleaning cylinder, a negative pressure cover is arranged on the opposite site of the axial flow-equalizing pipe; a negative pressure wheel is arranged in the negative pressure cover in a rotational connection mode; and the negative pressure cover communicates with a water tank. Compared with the prior art, the scheme arranges the roller and the axial flow-equalizing pipe to realize a uniform flushing effect, and arranges the air inlet pipe and the roller to improve a cleaning effect and cleaning quality. In a cleaning process for the aquatic products, the air inlet pipe can continuously inflate cleaning water with air, and meanwhile, the aquatic products keep turning so as to raise a survival rate of the aquatic products.

The invention belongs to an agricultural machine, and particularly relates to a Chinese artichoke harvester. The Chinese artichoke harvester comprises a rack. The rack is provided with a traction frame. An excavation shovel is arranged below the rack. The Chinese artichoke harvester is characterized in that a main speed reduction box is arranged between the upper portion of the rack and the traction frame, a first transmission shaft, a first conveying chain shaft, a second conveying chain shaft and a second transmission shaft are fixedly installed on the rack, and the first conveying chain shaft and the second conveying chain shaft are connected through a conveying chain; a transition feeder is arranged above the rack, one end of the transition feeder is arranged at the feeding port of the conveying chain in parallel, and the other end of the transition feeder stretches into a rotary screen; the rotary screen is installed on a rotary screen frame, and a material collecting box is arranged at the position, located at the outlet of the rotary screen, at the rear end of the rotary screen frame. The Chinese artichoke harvester is compact in structure, thorough in separation and low in damage rate, excavating, screening and collecting can be finished at a time, time and labor are saved, convenience and reliability are achieved, the production efficiency is high, labor force is greatly reduced, the planting cost of Chinese artichoke is reduced, the planting benefits of farmers are increased, and the confidence of the farmers for planting the Chinese artichoke is improved.

The invention discloses a damping device for a new energy vehicle. The damping device comprises a piston cylinder, a supporting plate, a piston rod, a first spring, a pressing mechanism, a second spring, transverse damping mechanisms, a connecting spring and hydraulic holes, wherein the supporting plate is arranged above the piston cylinder; the bottom of the supporting plate is fixedly connectedwith one end of the piston rod; the other end of the piston rod extends into the piston cylinder, and is fixedly connected with the pressing mechanism; a first spring and a second spring sleeve the piston rod; one end of the first spring is fixedly arranged on the bottom of the supporting plate; the other end of the first spring is fixedly arranged on the top of the piston cylinder; the second spring is positioned in the piston cylinder; one end of the second spring is fixedly connected with the top end in the piston cylinder; the other end of the second spring is fixedly connected with the pressing mechanism; the transverse damping mechanisms are symmetrically arranged at the two sides of the piston cylinder; and the hydraulic holes are symmetrically formed in the two sides of the pistoncylinder. The damping device for the new energy vehicle can transversely transmit longitudinal vibration, can quickly weaken vibration, is adjustable in damping force, and is long in service life.

The invention provides a polishing solution applicator and a polishing device. The polishing solution applicator is used for applying a polishing solution to a polishing pad. The polishing solution applicator comprises a supporting arm on the upper side of the polishing pad, and a solution conveying pipe fixed to the supporting arm and used for conveying the polishing solution. The polishing solution applicator further comprises a sprayer which is communicated with the solution conveying pipe and spraying the polishing solution to the surface of the polishing pad. The sprayer is rotationally connected with the supporting arm, and the sprayer is perpendicular to the surface of the polishing pad relates to the rotation direction of the supporting arm. The polishing solution applicator further comprises a driving device for driving the sprayer to rotate relative to the supporting arm. Through the rotating connection of the sprayer and the supporting arm, the driving device drives the sprayer to rotate relative to the supporting arm, the polishing solution sprayed by the sprayer can directly fall and also can rotate, and therefore, the area that the polishing solution is sprayed to thesurface of the polishing pad is increased. The polishing solution more quickly flows into the structures, such as tiny holes and grooves, in the surface of the polishing pad, and a smaller amount ofthe polishing solution is thrown out by the rotating polishing pad, and the amount of the polishing solution flowing into the area between a wafer and the polishing pad is ensured.

The invention discloses a micro wastewater purifier; a pressure barrel is connected to an internal purified water passage and a purified water reflow passage; the purified water reflow passage is connected to the water incoming end of an RO (reverse osmosis) filter element, and a reflow electromagnetic valve is mounted on the purified water reflow passage; the concentrate end of the RO filter element is connected to an internal concentrate passage that is divided into two branches, one branch is connected to a concentrate electromagnetic valve, the other branch is a concentrate reflow passage, and the concentrate reflow passage is connected between a pre-filter element and a raw water inlet; a control module controls a water incoming electromagnetic valve, a boost pump, the reflow electromagnetic valve and the concentrate electromagnetic valve to operate. After the pressure barrel is full, purified water in the pressure barrel flows into the RO filter element through the purified water reflow passage, concentrate in the RO filter element is replaced by the purified water, and the RO filter element is filled with the purified water.

The invention relates to the medicine field, especially relates to a perfusion device, which can rapidly carry out connection and perfusion when obtaining a supplied liver in an organism (liver) transplant operation, and specifically relates to a supplied-liver quickly-fixed perfusion device for liver transplant. The perfusion device comprises a puncture guiding device and a connecting ring for connecting a perfusion pipe. The puncture guiding device is a puncture steel wire, a contractible and magnetic ring is arranged on the top end of the steel wire, the top end of the connecting ring is in a conical shape, the bottom of the connecting ring is connected to a perfusion pipe, a unidirectional valve is arranged in the bottom of the connecting ring, the top of the connecting ring is made of an iron-containing material, the top of the connecting ring is matched with the contractible ring, and the top of the connecting ring and the contractible ring absorb on each other through magnetic force. The operation of the device is simple, practicable, and pertinent. The device is mainly used to carry out rapid perfusion when obtaining a supplied liver in a liver transplant operation, and is capable of rapidly and effectively performing liver perfusion so as to obtain a high quality liver.

A thermally conductive composition particularly well suited for use as an underfill composition including a curable resin and filler particles having an average diameter of less than 25 microns, wherein the filler particles are present in an amount sufficient to provide a thermal conductivity of greater than 0.5 W / mK and a viscosity of less than 0.600 Pa. s at 90 DEG C as measured with a 20mm parallel plate at shear rate of 30 1 / s.

The invention discloses an urban landfill of a bidirectional gas collecting system. The urban landfill comprises a plurality of vertical gas collecting pipes, a plurality of horizontal gas collecting pipes and a leachate collection pond. A plurality of vent holes are formed in a pipe body of each vertical gas collecting pipe, and the vertical gas collecting pipes are arranged in the vertical direction of the landfill at equal distance and can collect gas. The horizontal gas collecting pipes communicate with the vertical gas collecting pipes through four-directional pipeline connectors, a plurality of vent holes are formed in a pipe body of each horizontal gas collecting pipe, and the multiple horizontal gas collecting pipes are arranged in the middle of the landfill and can collect gas when the vertical gas collecting pipes cannot collect gas conveniently. The leachate collection pond is arranged on the lower portion of the middle position of the landfill, slopes are arranged on the periphery of the leachate collection pond, and the leachate collection pond can collect leachate fast. The bidirectional gas collecting system is applied in the landfill for garbage collection and can collect gas in the horizontal direction and the vertical direction at the same time, and the gas collecting efficiency is improved; and the gas collecting pipes are stressed in a criss-cross manner so that uniformity can be achieved, the service life period of the gas collecting system is prolonged, and the gas collecting system is suitable for collecting gas in the large garbage landfill.

The invention relates to an oil immersion device capable of saving oil liquid for electronic part machining. The oil immersion device capable of saving the oil liquid for electronic part machining comprises an equipment shell and a second gear, wherein a first belt conveyor, a first electric sliding rail, an oil immersion tank and a second belt conveyor are sequentially arranged on the lower wallof the interior of the equipment shell from left to right; an electronic part body is placed at the upper end of the first belt conveyor; a support is arranged at the electric upper end of the first electric sliding rail; a first motor is installed on one side of the support; a roller brush is connected to the other side of the support; an oil control mechanism and a second motor are installed onone side of the oil immersion tank from top to bottom; and the second gear is located on one side of a first gear. The oil immersion device capable of saving the oil liquid for electronic part machining provided by the invention has the beneficial effects that the oil liquid is stirred through the rotation of a stirring shaft, so that the oil liquid can rotate, bubbles on electronic parts are taken away in the rotating process of the oil liquid, and the electronic parts can be completely immersed in oil.

The invention discloses a circular self-desilting type gravity desilting filter tank, and relates to a desilting tank. The desilting filter tank comprises an outer-layer desilting basin body, whereinthe outer-layer desilting basin body comprises a diversion canal section, a centrifugal desilting section, a flow adjusting section and a tail desilting section; the diversion canal section, the centrifugal desilting section, the flow adjusting section and the tail desilting section jointly form a closed inner-layer desilting basin body. A first overflow weir is arranged between the tail desiltingsection and the inner-layer desilting basin. A second overflow weir is arranged on the inner sides of the diversion canal section, the centrifugal desilting section and the flow regulating section, and the second overflow weir and the inner side wall of the outer-layer desilting basin jointly form a clear water area. A desilting gallery is arranged on a concave bank of the centrifugal desilting section, a third sand inlet hole is formed in the bottom of the inner-layer sedimentation tank, and a drainage pipe is arranged at the lower end of the clean water tank. According to the desilting filter tank, bed load particles and suspended load particles in water in a channel can be effectively removed, and automatic desilting can be achieved through the desilting filter tank.

Being setup between upper and lower heat exchangers, the gathering device includes plate for gathering condensed water, trough of condensed water and outline frame. Being fixed on top part of the outline frame, the plate is in discoid structure with hollow bottom in low position. Trough of condensed water is fixed on the outline frame under vent hole of the plate for gathering condensed water. Outlet for condensed water is connected to the trough of condensed water. Components for connecting to frames of upper and lower heat exchangers are setup at upper and lower parts of the outline frame. Advantages are: easy of installation, good effect for collecting condensed water, and not influencing on thermal efficiency of water heater.

The invention relates to a novel photoanode assisted by Er-doped carbon quantum dots, a preparation method thereof and application thereof. The Er-doped carbon quantum dots (Er-CQDS) are prepared by ahydrothermal method. CdS quantum dots (CdS QDs) are deposited on an Er-CQDs / TiO2 thin film by a sequential ion-layer adsorption and reaction (SILAR) method. The presence of the Er-CQDs in the photoanode is confirmed by X-ray energy analysis spectroscopy and a transmission electron microscopy. An electrochemical method is used to study the influence of the introduction of Er-CQDs on the photoelectric performance of a cadmium sulfide quantum dot sensitized solar cell. A result shows that the Er-CQDs have the functions of broadening the optical absorption range and electron transport of the CdSQDs, and thus the photovoltaic performance of the CdS QDSSCs can be improved. The novel photoanode of the present invention can be widely used in solar cells, especially in the field of quantum dot sensitized solar cells, and the novel photoanode has a broad prospect.

The invention relates to a capillary air pressure pressing roller set for papermaking. The capillary air pressure pressing roller set for papermaking comprises two pressing rollers mutually extruded together. The two pressing rollers are arranged up and down and comprise an upper roller and a lower roller; an axial center of each pressing roller is of a hollow structure; a positive air pressure device arranged on the end part of the upper roller communicates with the hollow structure of the upper roller; a negative air pressure device arranged on the end part of the lower roller communicates with the hollow structure of the lower roller; a roller wall of each pressing roller comprises a two-layer structure which is an air flow guiding layer with air holes and a capillary layer located on the outer part of the air flow guiding layer; each capillary layer can relatively rotate around each air flow guiding layer; the air holes of the air flow guiding layer in the upper roller and the air holes of the air flow guiding layer in the lower roller are intensively close to a tangent line position between the upper roller and the lower roller. The two pressing rollers are extruded together, an extrusion force can be formed on paper, water in the paper is extruded, and the capillary layers made of capillary materials are adopted on the outermost layers of the two pressing rollers, so that the extruded water can quickly flow into capillary holes.

The invention discloses a potting seedling emergence method of rosa chinensis, and relates to the technical field of rosa chinensis culturing. The method is characterized by comprising the steps of seed processing, culturing and seedling emergence management. The method has the advantages that the method is reasonable, the operation is convenient, the seed germination rate is improved, and nutrients are abundant.

The invention discloses a separation and purification device for microplastics in marine sediments and a using method. The device consists of a separation portion of microplastics and a purification portion of microplastics. The separation portion of microplastics comprises a density liquid bottle, a chassis, a separable partition, a first switch, a stirrer, a first scraper, a first conduit, and asecond switch. The top of the density liquid bottle is provided with a branch opening. The density liquid bottle is provided with the separable partition at one third of the bottom. The separable partition has a switch, so that the partition is separated from the center, and a centrifuge and the dense sediment and the like can sink. The bottom of the density liquid bottle is provided with the chassis and the stirrer. The scraper is placed in the density liquid bottle, and the bottom of the scraper is parallel to the top end of the density liquid bottle. The first conduit having a switch is connected to the branch opening. The device has high efficiency in separating and purifying microplastics, and has simple structure and easy disassembly, which is convenient for mounting and maintenance.

The present invention discloses a processing technology of aquatic products and needs to use a washing device of the aquatic products. The technology comprises the following steps: A, adding: the aquatic products are added into a rolling cylinder and washing water is added into a washing cylinder; B, centrifuging cleaning: the rolling cylinder rotates and a centrifugal effect of the rolling cylinder is used to conduct a rinsing of the aquatic products; C, rolling cleaning: air is ventilated into the rolling cylinder via an air inlet pipe, enables the washing water to produce rolling water flowers, and conducts a rinsing of the aquatic products; and D, even cleaning: a negative pressure wheel is rotated, an axial even flow pipe is combined, and the axial even flow pipe can fill axially evenly distributed flowing water into the rolling cylinder to conduct a rinsing of the aquatic products. Compared with the prior art, an arrangement of the rolling cylinder and axial even flow pipe in a scheme reaches an even rinsing effect. An arrangement of the air inlet pipe and rolling cylinder improves a washing effect and a washing quality. In a washing process, the air inlet pipe constantly fills air into the washing water. Besides, the aquatic products are kept rolling at the same time and a survival rate of the aquatic products is improved.