39results about How to "Realize self-cleaning effect" patented technology

The present invention discloses a transparent sound-absorption film surface hydrophobic self-cleaning coating preparation method, wherein nanometer silica is adopted as base particles, other polymer additives are added to improve a hydrophobic effect, and a mixed slurry is sprayed onto a porous polycarbonate sound-absorption surface. The preparation method comprises the following steps: carrying out an ultrasonic cleaning treatment on a porous polycarbonate sound-absorption film, adopting silicon tetraacetate and KH-570 as raw materials to prepare modified nanometer silica particles, mixing a certain amount of polyvinylidene difluoride, N,N-dimethylformamide and butanone according to a certain ratio to prepare a polyvinylidene difluoride mixing solution, mixing a certain amount of the nanometer silica particles and the polyvinylidene difluoride mixing solution, spraying the obtained mixed solution on the porous sound-absorption surface, and drying to form the coating. The transparent sound-absorption film surface hydrophobic self-cleaning coating has a high water contact angle, has high light transmittance, and can not block a micro-pore structure of the sound-absorption surface.

The invention discloses self-cleaning type synclastic differential rotation double-screw extrusion device and method. A double-screw assembly in the device comprises a left screw and a right screw which have different rotating speeds, the left screw and the right screw are connected in an engaging manner, the inner cavities of a machine barrel are two cylindrical troughs which are communicated, and the left screw and the right screw are arranged in the cylindrical troughs respectively; the left screw has a single-ended thread or multi-ended threads, and the right screw has multi-ended threads; the section contour of each of the left screw and the right screw is of a closed structure which is formed by connecting a plurality of sections of curve arcs, the section shape of the left screw is not the same as that of the right screw; according to the method, the melting and conveying of materials can be accelerated by utilizing different shapes of the sections of the two screws through the space change of runners of the screws and the inner cavities of the machine cylinder. According to the device and the method, plasticizing and mixing effects of high-polymer materials in a processing process can be effectively improved, and a self-cleaning function can be realized.

The invention discloses a homodromous self-cleaning double-screw extruder with a stretching function. The homodromous self-cleaning double-screw extruder with the stretching function comprises a machine barrel, a first screw and a second screw. The cross section of the first screw and the cross section of the second screw are both formed by multiple sections of circular arcs which are unequal in radius of curvature, and the cross section of the first screw and the cross section of the second screw are different in shape. The invention further provides a processing method of the homodromous self-cleaning double-screw extruder with the stretching function. According to the homodromous self-cleaning double-screw extruder with the stretching function and the processing method of the homodromous self-cleaning double-screw extruder with the stretching function, when the first screw and the second screw which are different in cross-section shape rotate in an identical direction, periodical change happens to a cross-section shape of a flow passage, so that a compression action and a squeezing action are applied on materials in the flow passage, a flowing space of the materials is compressed and expanded in a periodical mode, and therefore a chaotic mixing effect is generated, a mixing and heat transfer process is strengthened, a thermal and mechanical process which is plasticized is largely shortened, energy consumption is low, an energy-saving and consumption-reducing effect is notable.

The invention discloses a co-rotating differential multi-screw extruding machine with the gradually changing type thread number and a machining method thereof. A first threaded rod in the extruding machine comprises two single-start thread elements, three single-start-gradually-changed-to-double-start transition thread elements, a double-start thread element and three double-start-gradually-changed-to-single-start transition thread elements; and a second threaded rod comprises two double-start thread elements, three double-start-gradually-changed-to-four-start transition thread elements, a four-start thread element and three four-start-gradually-changed-to-double-start transition thread elements. According to the machining method, a threaded rod mechanism achieves five enhancement mixing mechanisms by adopting the structure of the threaded rod mechanism, and conducts all-sided enhancement mixing on materials.

The invention discloses a durable super-hydrophobic candle ash coating and a preparation method thereof. The surface of a metal substrate subjected to chemical etching pretreatment is coated with a mixture of a bonding layer. And the brushed substrate is put into a vacuum drying box for vacuum treatment, so that mixture molecules permeate into the substrate. A candle is ignited, after the candle is stably burnt, the substrate is clamped through tweezers, the substrate is placed in the middle of the flame of the candle, soot particles are deposited, and the super-hydrophobic coating with the durable performance is obtained. The coating is good in stability and durability, and has excellent self-cleaning performance and good corrosion resistance.

A disclosed self-cleaning long-service-life household water purifier comprises a water pump and an air pump, a main water pipe is arranged in the outer side of the water pump, a first auxiliary water pipe is arranged on the outer side of the main water pipe, and a flow meter is arranged on the outer side of the main water pipe; and a filtering tank I, a filtering tank II, a filtering tank III and a filtering tank IV are arranged between the water pump and the air pump. According to the self-cleaning long-service-life household water purifier, through mutual cooperation of first to fourth filtering barrels, four-stage filtering can be achieved, it is guaranteed that the water purifying effect of safer drinking is achieved, backwashing of the first filtering barrel and the fourth filtering barrel is achieved through reverse flushing of water flow and air flow, desorption of the second filtering barrel and the third filtering barrel is realized through thermal desorption and salt desorption, so that impurity molecules adsorbed on the surface of a filter element material fall off, the self-cleaning effect is realized, the service life of the filter element is prolonged, the filter element material is recycled, and the filter element replacement frequency is reduced while the filtered water is safer and healthier.

The invention discloses a coarse separation mechanism for excrement and water, which belongs to the field of urban sanitation equipment. At present, in the process of separating and collecting urban excrement and water, a sieve structure is used for impurity removal. This method will simultaneously remove inorganic impurities such as large pieces of organic matter and mixed plastics. Filtration, this link will lead to the loss of a large amount of organic matter, resulting in waste of organic matter, and the removal of large debris will lead to low separation efficiency. It should also be pointed out that in the existing separation equipment, vacuum pumps and closed storage bins are often used for material separation. Inorganic impurities mixed with organic matter will quickly fill up the storage bin and make it difficult to clean, affecting the effective use of the equipment. . On the one hand, the present invention improves the separation efficiency by crushing bulk organic matter and inorganic matter such as plastics; on the other hand, it can effectively reduce the loss of organic matter components caused by filtering out inorganic matter. At the same time, this design realizes self-cleaning by setting a cleaning comb structure Function, reduce equipment maintenance costs.

The invention relates to an ultrasonic wave environment purifier including: a case, at least one filter screen plate, and ultrasonic transducers; a purification chamber is formed in the case; an air inlet and an air outlet are respectively disposed at the two ends of the case; the filter screen plates are vertically installed in the purification chamber in order; the ultrasonic transducers are respectively on the side edges of the filter screen plates so that the filter screen plates are subjected to ultrahigh-frequency cutting vibration filter movement; a water curtain slot and a water inletjoint are arranged above each filter screen plate and spray water to form a water curtain on each filter screen plate; a water outlet hole is formed in the bottom of the case. The environment purifieris free of replacement of filter screens and is zero-consumption, wherein the filter screens have self-cleaning function, so that the filter screens are free of cleaning and maintenance. The environment purifier can work uninterruptedly for long period. The environment purifier is high in air purification degree and purification efficiency, is simple in structure, is easy to achieve, is reliableand durable and is suitable for air purification under different environments.

The invention discloses a circulation type electroplating liquid filtering device. The circulation type electroplating liquid filtering device comprises a barrel, a filter bag, filter frames and a top cover; an annular supporting mechanism is arranged at the position of an upper port of the barrel; the circulation type electroplating liquid filtering device is characterized in that the filter frame, the filter bag, the filter frame and the top cover are sequentially placed above the annular supporting mechanism from bottom to top, and the five parts are compressed and fixed through fixing components; a cavity between the bottom face in the barrel and the corresponding filter frame is a concentration cavity, and the side face of the concentration cavity is provided with a liquid inlet pipe and a material liquid outlet; and a guide pipe is further included, the guide pipe penetrates the top cover to enable the interior and the exterior of the barrel to be communicated, and a port, exposed out of the barrel, of the guide pipe is connected with an electroplating liquid leading-out pump. A self-cleaning function can be achieved, the number of times of replacement is decreased, potential hurts to the human body and potential damage to the surrounding environment are avoided, the electroplating liquid filtering stress is even, and the filtering effect is good. The circulation type electroplating liquid filtering device further comprises a circulation pipe, sufficient filtering of circulation of electroplating liquid is achieved, the using rate of the electroplating liquid is improved, and waste liquid discharging is reduced.

The invention discloses a multi-functional large-sized metal surface treating machine which is characterized in that a bottom platform is provided with a support arm structure and a dedusting box, the support arm structure comprises a parallelogrammic link mechanism and a turnover guide rail arranged on the parallelogrammic link mechanism, a surface treating working-head component comprises a shot blasting head and a shot supply device, and the working-head component is arranged on a guide rail by a slide block in a slip mode. According to the invention, the surface treating working-head component is arranged on the support arm structure and can rotatablely arranged on a movable platform, therefore, the mobility and flexibility of the surface treating machine can be effectively improved, and the surface treating machine is adapted to the surface treatment needs of ultra-high and ultra-large workpieces or structures in various specifications on various occasions, and can achieve an excellent processing quality.

The invention belongs to the technical field of municipal construction, and particularly relates to an environment-friendly garbage can for municipal construction. The environment-friendly garbage can comprises a can lid, a side plate, a can base and a circulation module. The can lid comprises a handle, a can lid plate, a screw cap, a rotary shaft, a piston, elastic rods, cleaning brushes, a sucking module, extension springs and a sleeve ring. The can lid plate is hinged to the side plate. The handle is located above the can lid plate and fixedly connected with the can lid plate. The screw cap is located above the rotary shaft. The rotary shaft is located above the piston and fixedly connected with the piston. The cleaning brushes are connected with the rotary shaft through the elastic rods. The sucking module is located between the rotary shaft and the elastic rods. The extension springs are located between the rotary shaft and the elastic rods. The sleeve ring is located below the rotary shaft and connected with the cleaning brushes through buckles. According to the environment-friendly garbage can, the circulation module is matched with the can lid, thus, the automatic sewage cleaning function and the can lid cleaning function are achieved, the can lid is easy to clean, the appearance of the garbage can is improved, and then the city appearance is improved.

The invention discloses a high-adaptability direct charging power supply for a lithium battery tool. Thehigh-adaptability direct charging power supply comprises a lithium battery tool body; the bottom of the lithium battery tool body is fixedly connected with one end of an elastic connecting assembly, the other end of the elastic connecting assembly is fixedly connected with an outer protection assembly, a driving assembly is connected to the side end face of the outer protection assembly in a clamped mode, the driving assembly is located in the outer protection assembly, an ejection assembly is arranged at the bottom of the inner side of the outer protection assembly, and an electric connection assembly is bonded to the end face of the inner side of the ejection assembly. According to the high-adaptability direct charging power supply for the lithium battery tool provided by the technical schemes of the invention, through mutual cooperation of structures such as an energy recovery assembly, the elastic connecting assembly, the driving assembly, the ejection assembly and the electric connecting assembly, absorption of heat on the surface of an outer protective shell by cooling liquid is effectively improved through circular flowing of the cooling liquid, and the heat energy volatilization amount of a lithium battery pack in unit time is guaranteed, and the stability of the low-temperature air acting on the lithium battery pack is effectively ensured.

The invention belongs to the technical field of rainwater filtering devices and particularly relates to an unpowered self-cleaning rainwater filtering device. The device comprises a water inlet three-way pipe; the water inlet three-way pipe is connected with a water inlet rainwater pipeline, a water storage pipe and a four-way pipe, an air inlet pipe is mounted at the top end of the water storage pipe, a filter screen is mounted at the bottom of the water storage pipe, and the inner side of the water storage pipe is connected with one end of a backwashing pipeline; the backwashing pipeline comprises a vertical pipe, an upper elbow, a transverse pipe, a Venturi pipe and a lower elbow, a drainage pipe connected with the other end of the backwashing pipeline is connected with a four-way pipe, the bottom side of the drainage pipe is connected with the four-way pipe through a seepage pipeline, the bottom end of the drainage pipe is connected with a water outlet rainwater pipeline, a flange blind plate connected with the top of the four-way pipe is connected with the top end of a connecting frame, and a filtering basket is installed at the bottom end of the connecting frame; the combined type design is low in cost and convenient to assemble, transportation, storage, popularization and use of the device are facilitated, water in the water storage pipe can be accelerated through the Venturi pipe under the siphon effect and sprayed out from the lower elbow, and unpowered backwashing of the filter plate is achieved.

The invention discloses an assembly line sand core mold batch transfer table. The assembly line sand core mold batch transfer table comprises a transfer table body; the transfer table body comprises aconcentric-square-shaped frame, a plurality of weighing rods are rotationally connected with the inner wall of the concentric-square-shaped frame, and a rectangular box is fixedly arranged on the side wall of the concentric-square-shaped frame; a driving motor is installed on the side wall of one end of the rectangular box, the rotating end of the driving motor penetrates through the side wall ofthe rectangular box to be fixedly connected with a driving shaft, and the outer wall of the end, located in the rectangular box, of the driving shaft is sleeved with a driving gear; and the driving gear is engaged with a crawler belt, a rack on the crawler belt is engaged with a plurality of driven gears, inner rings of the driven gears are fixedly connected with driven shafts, one ends of the driven shafts are rotationally connected with the inner wall of the rectangular box, and the other ends of the driven shafts are fixedly connected with one ends of weighing rods. According to the device, floating sand is prevented from being accumulated on the transfer table body, the rotating end of the driving motor drives the driving shaft, the driving gear, the crawler belt, the driven gears, the driven shafts and the weighing rods to rotate, falling of the floating sand on the weighing rods is further enhanced, and the self-cleaning effect of the transfer table body is achieved.

The invention provides an automatic cleaning device based on a bipolar membrane of an electrodialyzer, which comprises a main body, wherein a movable shaft is installed in the inner wall of the main body, a cationic membrane and an anionic membrane are installed on the two sides of the movable shaft and located in the inner wall of the main body, two power wheels are movably installed on the movable shaft, the outer sides of the two power wheels are each provided with a plurality of stress blades, the stress blades are evenly distributed on the outer sides of the power wheels, three cleaning devices are installed between the two power wheels, and the cleaning devices are located on the movable shaft. According to the automatic cleaning device based on the bipolar membrane of the electrodialyzer, on the one hand, suspended solids and impurities adsorbed on the cationic membrane and the anionic membrane can be effectively removed, meanwhile, the penetrability of a water solution is improved, and on the other hand, performance reduction caused by scale deposition on the cationic membrane and the anionic membrane can be improved.

The invention discloses a glass fiber reinforced plastic hollow web convenient to clean, and relates to the technical field of building material production. The glass fiber reinforced plastic hollow web convenient to clean comprises a supporting plate, wherein the top of the supporting plate is coated with a surface coating; a hollow cavity is formed in the supporting plate; a reinforcing rib is arranged in the hollow cavity; the section of the reinforcing rib is of a triangular structure; one side of the supporting plate is fixedly connected with a clamping head, and the other side of the supporting plate is fixedly connected with a fixing head; the fixing head is matched with the clamping head; the surface coating comprises a leveling layer; the bottom of the leveling layer is fixedly connected with the supporting plate; and the top of the leveling layer is fixedly connected with a dustproof layer. The clamping head and the fixing head are arranged at the two ends of the hollow web correspondingly, the clamping head and the fixing head are matched, can be easily clamped through material elasticity and can also be detached through force effect, and the effects of rapid clamping and simple fixing between hollow webs are achieved.