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23results about How to "Achieve stripping" patented technology

Electromagnetic acoustic based method and system for detecting and distinguishing damages of underwater steel structure

PendingCN122591805Aeffective stimulationefficient reception
The present application relates to a kind of electromagnetic ultrasonic-based underwater steel structure damage detection and distinguishing method, using electromagnetic ultrasonic detection equipment to detect underwater steel structure with non-conductive covering layer on surface.The method comprises: electromagnetic acoustic transducer (EMAT) probe is arranged above the surface of underwater steel structure;According to lift-off distance, configure excitation parameter;Apply excitation pulse to emit ultrasonic wave;Receive echo signal and extract transit time feature, echo amplitude feature and initial wave amplitude feature;At least one change based on the above features distinguishes abnormal type, the abnormal type includes at least one of corrosion thinning, surface opening crack and simple lift-off increase.By the above design, the present application realizes the accurate detection and reliable distinction of underwater steel structure damage state under the condition of non-conductive covering layer.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

Pole piece stripping device

The invention relates to a pole piece stripping device which is used for stripping an active material on the surface of a current collector, the pole piece stripping device comprises a rack, a conveying mechanism, a recovery tank and a spraying mechanism, the conveying mechanism is arranged on the rack, the conveying mechanism comprises a first mounting assembly, a second mounting assembly, a first grid belt and a second grid belt, the first grid belt is wound on the outer side of the first mounting assembly, the second grid belt is wound on the outer side of the second mounting assembly, at least parts of the first grid belt and the second grid belt are oppositely arranged, and the first grid belt and the second grid belt are matched and used for clamping a pole piece; a first fluid is arranged in the recovery tank, the first grid belt and the second grid belt are at least partially immersed in the first fluid, and the first fluid is used for heating the pole piece; the spraying mechanism is arranged on the rack and used for spraying second fluid towards the pole piece.
Owner:XIAMEN HITHIUM NEW MATERIAL TECH CO LTD +1

Precise gear hobbing machine

The invention discloses a precise gear hobbing machine, and belongs to the technical field of gear hobbing machines. The machine tool mainly comprises a machine tool body, a rotating table arranged on a base of the machine tool body, a gear hobbing assembly used for workpiece gear cutting, a tailstock assembly provided with a tailstock center supporting workpiece and an air blowing assembly installed on the tailstock center. An air blowing unit of the air blowing assembly is provided with a horizontal air pipe and inclined air pipes arranged on the two sides of the horizontal air pipe. According to the precise gear hobbing machine, the two inclined air pipes are driven to be close to or far away from each other through the lead screw transmission mechanism of the adjusting unit, so that the horizontal interval of air injection is adjusted, and meanwhile, the inclined air pipes are forcibly driven to synchronously rotate to change the inclination angle when the interval is adjusted through the gear and rack follow-up mechanism; and the impact angle of the blown air flow is mechanically matched with the tooth direction pressure angles of workpieces with different large modulus in real time, so that wall-hanging scraps in a deep tooth groove are effectively stripped and are finally collected by the arc-shaped scrap receiving disc, and the scrap removal efficiency and the machining quality are improved.
Owner:HANGZHOU MAIAN TRANSMISSION TECH CO LTD

Foam particle conveying device for foam production

InactiveCN121894460AStrip sync fastImprove preprocessing efficiency
The invention discloses a foam particle conveying device for foam production, and particularly relates to the technical field of foam particle pretreatment, the foam particle conveying device comprises a frame, a horizontal electromagnet, a screening separation piece, an inclined electromagnet and a driving module, and the horizontal electromagnet is mounted above the frame; the screening and separating piece is installed on the upper inclined face of the horizontal electromagnet, and an inclined electromagnet is installed on the screening and separating piece. The driving module is installed at one end of the horizontal electromagnet. The device has the advantages that metal impurities adsorbed on the electromagnets are synchronously and rapidly stripped, long-time shutdown caused by one-by-one maintenance is avoided, the maintenance time is remarkably shortened, and the pretreatment efficiency of foam particle conveying and recycling is improved, so that the problem that the metal impurities in all the fully-adsorbed positions are difficult to synchronously and rapidly reach the appointed stripping and removing positions, and the production efficiency is improved is solved. And the pretreatment efficiency of foam particle production and recovery is reduced.
Owner:CHENYANG SHUANGLIYUAN ENVIRONMENTAL PROTECTION NEW MATERIALS CO LTD

A wet-mix granulator

The utility model relates to a kind of wet method mixed granulator, belong to granule mixing technical field, including granule mixing box and the inner box of fixedly connected to granule mixing box inner bottom wall, the inside of granule mixing box is equipped with the mixing assembly for granule mixing, the mixing assembly includes the fixed plate of fixedly connected to granule mixing box inner rear wall, the bottom of fixed plate is fixedly connected with motor box, the inside of motor box is fixedly connected with drive motor, the output shaft of drive motor is fixedly connected with connecting rod, the bottom end of connecting rod is fixedly connected with mounting frame body.This wet method mixed granulator, by mixing assembly generates forced convection and high shear field, make material realize uniform mixing in three-dimensional space, and by arranging ultrasonic transducer in four directions, utilize coupling layer to efficiently conduct vibration energy to inner box wall surface, utilize the microjet and wall high-frequency microvibration generated by ultrasonic cavitation effect, realize the peeling of adhering object, avoid resource waste.
Owner:CHENGDU HUAYU PHARM CO LTD

CTP battery pack disassembling puller device

ActiveCN224059744UAchieve integrity without deformationachieve strippingCell lids/coversMetal-working hand toolsElectrical batteryMechanical engineering
The utility model relates to the technical field of battery packs, and discloses a CTP battery pack disassembling puller device, a CTP battery pack comprises a shell of which a top cover is separated in advance, a battery cell which is arranged in the shell and is adhered with the shell through an adhesive, a base and a storage table which is arranged on the base, a jacking assembly is embedded in the upper surface of the storage table and comprises a telescopic rod capable of stretching out and drawing back in the vertical direction. Two hook assemblies are installed on the storage table, and each hook assembly comprises a hook part capable of moving up and down. According to the puller device for disassembling the CTP battery pack, the purpose of disassembling the CTP battery pack at normal temperature can be achieved, the purpose that the appearance of a battery cell is intact and does not deform after the CTP battery pack is disassembled can be achieved, and the purpose that the battery cell is integrally stripped from a shell at a time can be achieved.
Owner:SANYA UNIVERSITY

A device and method for microneedle patch injection and detachment

The application discloses a device and method for microneedle patch injection and peeling, and relates to the technical field of microneedle patch application devices, which comprises a shell, a sliding groove is arranged on the side wall of the shell; an injection mechanism is arranged in the shell and comprises a hollow spring push rod, a spring guide rod is arranged on the top of the spring push rod, the spring guide rod is fixed on the top of the shell, and the spring guide rod is sleeved with a spring on the side of the top of the spring push rod; a clamping mechanism is fixed on the bottom of the spring push rod and comprises a sliding rail, a pair of clamping blocks are symmetrically arranged on the sliding rail, the clamping blocks are connected with an adjusting mechanism to realize the approaching or moving away of the clamping blocks, the sliding rail penetrates through the sliding groove and is connected with a pusher, the clamping mechanism is compressed and locked through the pusher, the pusher is released, and the microneedle patch in the clamping block is pushed through the action of the spring; the device can uniformly penetrate the drug-loaded tip of the microneedle patch into the skin through external force and peel the microneedle patch or the base of the microneedle patch from the surface of the skin.
Owner:SHANDONG UNIV

Water-based coating remover for aviation composite paint and application thereof

PendingCN122103955Aachieve strippingless corrosiveChemical paints/ink removersAviationActive agent
The application discloses a water-based coating remover for aviation composite paint, which comprises the following components in percentage by mass: paint removal composition 10-25%, surfactant 1-6%, chelating agent 1-5%, corrosion inhibitor 1-5%, stabilizer 0.1-1%, and water; the paint removal composition comprises a paint removal degradation component and a penetrating agent, and the paint removal degradation component is selected from sodium hydroxide and monoethanolamine at a mass ratio of 1:1-1:2. The water-based coating remover for aviation composite paint is environmentally friendly, has low corrosion, is suitable for ultrasonic removal working conditions, has excellent chemical and physical stability in a severe cavitation environment, can remove high-performance organic-inorganic composite paint coatings attached to the surfaces of key components such as high-pressure turbine discs, low-pressure turbine discs and sealing rings, ensures that the paint removal process is continuous and efficient and does not cause damage to expensive base materials, and is suitable for the maintenance and removal of coatings of high-temperature components such as aircraft engines.
Owner:SHANGHAI HUANDI TECHNOLOGY CO LTD

A method for preparing graphene and fluorinated graphene

ActiveCN118405690Bachieve strippingGood water solubilitySingle layer grapheneBattery recyclingPhysical chemistryGraphene flake
The application relates to a method for preparing fluorinated graphene, and belongs to the graphene material field. The preparation method comprises the following steps: mixing and dispersing waste lithium battery recovery graphite powder, an intercalation agent and a dispersing agent in water to form a slurry, keeping the slurry at 40-60 DEG C for 4-8 hours, then spraying the slurry through a high-pressure device to form high-speed jets, and realizing graphite layer peeling through the cross impact of multiple jet beams, then adding a fluorination agent, keeping the slurry at 150-200 DEG C for 6-12 hours, centrifugally separating upper clear liquid, filtering and washing, vacuum drying, and obtaining fluorinated graphene. The application realizes graphite layer peeling through liquid cross impact, has high production efficiency, the obtained graphene sheet layer is regular and neat, has few structural defects, and the performance of the graphene is improved; the peeling strength can be adjusted by adjusting the jet speed, different layer number graphene products can be obtained, and the production is continuous, and the efficiency is relatively high; the raw material is waste lithium battery recovery graphite, the cost is low, the obtained graphene contains oxygen-containing functional groups, and has good water solubility.
Owner:DO FLUORIDE CHEM CO LTD

An adaptive silt contaminant separation device and method

ActiveCN118459038Bachieve strippingavoid secondary pollution
The present application relates to the technical field of sludge treatment and disposal in river and lake water ecological management, and specifically discloses a self-adaptive sludge pollutant separation device and method, which comprises: a high-pollution slurry input pipe, provided with a test area and a shunt partition; an ultrasonic wave generating container, connected with the test area through a high-pollution slurry test area discharge introduction pipe, and provided with a test area bidirectional pump on the high-pollution slurry test area discharge introduction pipe; and a tail water discharge pipe, provided with a float and a tail water discharge pump, and the float is located at the head of the tail water discharge pipe. The present application uses the shunt partition to guide a small part of the high-pollution slurry into the test area and most of the high-pollution slurry into the ultrasonic wave generating container, determines the most suitable ultrasonic vibration frequency in the test area, and transmits the frequency to the ultrasonic wave generating container to ultrasonically vibrate the high-pollution slurry, so that the pollutants in the sludge are separated from the soil particles to the greatest extent, and compared with the traditional treatment method, the present application can prevent the overflow of pollutants in the sludge recycling process to cause "secondary pollution".
Owner:JIANGSU TAIHU PLANNING & DESIGN INST OF WATER RESOURCES CO LTD

Full-automatic waste medical needle treatment device

The invention relates to the technical field of medical equipment, in particular to a full-automatic waste medical needle treatment device which comprises a treatment body, a fixing assembly used for clamping an injector is arranged at the top of the treatment body, a lifting sliding table ascending and descending in the vertical direction is arranged in the treatment body, and a hot pressing assembly and a needle winding assembly are integrated on the lifting sliding table; the hot pressing assembly is used for heating, softening and flattening a needle head, the needle winding assembly is used for winding the flattened needle head into a cluster, and a disinfection part and a stripping part are arranged on the needle winding assembly; the device further comprises a control device which is used for driving the lifting sliding table to ascend and descend and coordinating the heating flattening action of the hot-pressing assembly, the winding action of the winding needle assembly, the disinfection action of the synchronous disinfection part and the separation action of the stripping part. A clamping fixing and lifting integrated hot pressing and winding structure is adopted, and the processes of heating softening, flattening shaping, winding clustering, disinfection and stripping are combined, so that non-contact treatment of waste needles, effective killing of pathogenic microorganisms and collection of medical waste are achieved.
Owner:南京市江宁医院

Early warning method and system for ground surface settlement along highway based on time sequence InSAR

The invention belongs to the technical field of synthetic aperture radar measurement, and particularly relates to a road surface settlement early warning method and system based on a time sequence InSAR, and the method comprises the steps: obtaining a remote sensing image sequence and synchronous meteorological data of a monitoring region, generating a time sequence difference phase sequence and an air temperature difference value sequence of each candidate scattering point, calculating a relative phase temperature sensitivity coefficient between candidate scattering point pairs with a physical adjacent relationship, performing thermodynamic stripping on an original phase difference to obtain a corrected phase difference, constructing a space-time stability index in combination with a space physical distance, and taking the space-time stability index as a topological edge connection weight in an initial space topological graph to obtain a spatial topological graph; and determining an optimal connection path of phase unwrapping by executing a maximum spanning tree optimization algorithm and performing spatial deduction to obtain a real phase sequence after meteorological interference is stripped and calculate a settlement rate so as to trigger settlement early warning based on a judgment result. According to the invention, the capturing precision of the tiny settlement signal along the highway is improved.
Owner:CHINA NAT CHEM COMM CONSTR GRP CO LTD

A bayesian inversion method for extracting wide-swath altimetry data balanced signals

PendingCN122283647Aachieve strippingachieve full retentionMoving averageMatrix decomposition
This invention discloses a Bayesian inversion extraction method for the equilibrium signal of wide-span altimeter data. The method involves acquiring and preprocessing sea surface height anomaly sequences from radar interferometers and nadir altimeters. A normalized sine square window function is applied for windowing, and multidimensional spatial averaging is used to estimate the one-dimensional wavenumber power spectrum. A piecewise power law-based equilibrium signal spectrum model and a noise spectrum model constrained by dynamic sea state are constructed, and the set of spectral parameters is extracted through logarithmic domain weighted least squares fitting. A set of spatial covariance matrices is constructed using cosine integral transform and Abelian forward and inverse transforms. A graphics processor is scheduled to perform batch matrix decomposition and singular fault-tolerant regularized inversion to solve for the posterior mean vector and posterior covariance matrix of the target equilibrium signal. Window fusion and index mapping are applied to fill the gaps in nadir observations. Geostrophic dynamics parameters are calculated, uncertainty quantification is performed based on the linear error propagation law, and the knowledge base is updated based on the exponential moving average algorithm. This invention achieves suppression of observation noise and physical filling of observation gaps, improving the adaptability of the inversion system to environmental changes while preserving non-Gaussian dynamic characteristics.
Owner:FIRST INSTITUTE OF OCEANOGRAPHY MNR

Depth information encryption and identity desensitization attitude data privacy processing system and method

PendingCN121980578Aachieve strippingImprove security intensityDigital data protectionLearning machinePrivacy protection
The invention belongs to the technical field of data security and privacy protection, and particularly relates to an attitude data privacy processing system and method based on deep information encryption and identity desensitization. The method is executed by an end side device, and comprises the following steps: collecting depth image data of a human body; performing normalization processing on the depth image data; a lightweight model is used to carry out feature extraction and identity desensitization processing on the normalized depth image data, the identity desensitization processing comprises weakening identity information in features through an adversarial learning mechanism and mapping the features to a desensitization subspace through feature projection, and the lightweight model is trained by the cloud platform; performing encryption operation on the desensitized feature data to generate encrypted data; and transmitting the encrypted data to a cloud platform. The attitude data privacy processing method provided by the invention has the advantages of full-life-cycle privacy protection, thorough stripping of identity information and high-efficiency operation at the end side.
Owner:BEIJING LIANPING TECH CO LTD

Intelligent high negative pressure material pumping equipment

PendingCN121823235AAvoid the problem of poor pumping ability caused by bondingEfficient pumpingBulk conveyorsElectric machineStructural engineering
The invention provides intelligent high-negative-pressure material pumping equipment, and belongs to the technical field of negative-pressure pumping devices.The intelligent high-negative-pressure material pumping equipment comprises a material negative-pressure pumping cover, two arc blocking covers are symmetrically arranged on the outer side wall of the material negative-pressure pumping cover, and the arc blocking covers communicate with the inner space of the material negative-pressure pumping cover; a material feeding assembly is arranged in the arc blocking cover. The material feeding assembly comprises a first motor arranged on the outer wall of one side of the arc blocking cover, and the first motor is fixedly connected with a rotating outer barrel through the output end of one side of the first motor. Through the material feeding assembly, material particles can be disturbed, the problem that the pumping capacity is poor due to adhesion of the material particles is solved, air can be provided for the material negative pressure extraction cover located deep, and then external air can naturally flow into the material negative pressure extraction cover due to the air pressure difference to form directional air flow; and the material particles are conveyed in batches through directional airflow.
Owner:JIANGSU QUNLIAN ELECTRIC POWER ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Process for treating waste water from the production of epichlorohydrin by direct oxidation

ActiveCN120841735Bachieve separationSolve the problem of high toxicity of chlorine-containing organic compounds
The present application provides a process for treating waste water generated in the process of preparing epichlorohydrin by direct oxidation method, which comprises a pretreatment section, a main reaction section and a deep treatment section; the pretreatment section comprises, in sequence, an adjusting unit, a tubular microfiltration unit, a mild wet oxidation unit and a neutralization unit, the main reaction section comprises an electrodialysis unit, an anaerobic biochemical unit, a biological reinforcement unit, an ozone catalysis I unit, a concentration and salt production system and a methane storage unit; the deep treatment section comprises, in sequence, an aerobic biochemical unit, an ozone catalysis II unit and a BAF unit, and the anion exchange membrane of the electrodialysis unit is a modified anion exchange membrane. The present application solves the problem of high toxicity of chlorine-containing organic matter in waste water by coupling mild wet oxidation with electrodialysis, and realizes the separation of organic matter and salt in waste water, wherein the electrodialysis uses a modified anion exchange membrane, and the anti-pollution capacity is greatly increased. The present application realizes zero discharge of waste water, and has the advantages of low operation cost.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Polyurethane synthetic leather surface peeling device

ActiveCN224449773Uachieve strippingFacilitate strippingPolymer scienceAdhesive glue
This utility model relates to the field of synthetic leather production technology, specifically to a polyurethane synthetic leather surface peeling device. It includes a mounting plate with a heating mechanism mounted on it. The heating mechanism includes a high-temperature resistant heat shield. Two symmetrical high-temperature resistant heat shields are installed inside the mounting plate. A feeding mechanism is mounted at one end of the mounting plate, including a support plate. The support plate is mounted on the outer side of one end of the mounting plate, and a slider is slidably connected to the inner side of one end of the support plate via a guide groove. The slider is connected to the inside of the guide groove via a compression spring. One end of the slider extends to the outer side of the support plate, and a feeding roller is mounted at one end of the slider. The two high-temperature resistant heat shields and electric heating wires work together to heat both sides of the fabric, softening the adhesive and facilitating subsequent peeling. Simultaneously, the compression spring and the slider prevent the fabric from jamming on the feeding roller, causing breakage.
Owner:ZHEJIANG HEXIN NEW MATERIAL CO LTD

Pole piece stripping machine and pole piece recycling system

This utility model discloses an electrode stripping machine and an electrode recycling system. The electrode stripping machine includes: a shell with a stripping chamber, a grading chamber, and a discharge chamber. The stripping chamber and the grading chamber are connected. The stripping chamber has a feed inlet and a first V-shaped groove on its inner peripheral wall. The grading chamber has a first large particle outlet, and the discharge chamber has a first small particle outlet. A stripping assembly includes a stripping disc and a stripping drive component. The stripping disc is located inside the stripping chamber and behind the feed inlet. The outer periphery of the stripping disc has a second V-shaped groove. The stripping drive component is driven and connected to the stripping disc. A grading assembly includes a grading turbine and a grading drive component. The grading turbine is located inside the grading chamber and above the first large particle outlet. The grading turbine has a powder discharge port. The discharge chamber and the grading chamber are connected through the powder discharge port. The grading drive component is driven and connected to the grading turbine. This utility model can separate aluminum slag and electrode powder, with a simple operation process and high safety.
Owner:GUANGDONG BRUNP RECYCLING TECH CO LTD +2

A handheld sleeve fiber stripper

This utility model relates to the field of optical fiber stripper technology, and proposes a handheld sleeve optical fiber stripper, including a blade holder with a groove on the bottom surface and a blade edge inside the groove, extending to the top surface of the blade holder; a stripping blade located in the groove with its blade protruding from the top surface of the blade holder through the blade edge; a pressure plate fixed in the groove and pressing the stripping blade into the groove; the pressure plate is slidably disposed on the blade holder, either away from or close to the top surface of the blade holder, and is used to press the optical fiber onto the top surface of the blade holder and cooperate with the stripping blade to strip the sleeve and optical fiber sheath; an adjustment assembly located in the groove includes an adjustment rod, which is rotatably connected to the inner wall of the groove, and has an eccentrically positioned blade adjustment rod on the rotating end face of the adjustment rod, which contacts the blade edge to adjust the cutting depth of the stripping blade. This technical solution solves the problems of easy damage to the optical fiber during manual stripping of sleeved optical fibers and the limited stripping length of traditional strippers.
Owner:SHENZHEN GUANGSHUO TECH CO LTD

Metallic coil composite flexible facing peeling device

ActiveCN224406038UTo achieve the purpose of strippingachieve strippingControl systemElectromagnetic heating
The utility model relates to the technical field of building material recycling, especially to a metal coiled material composite flexible surface layer stripping device, including conveying mechanism and electromagnetic heating device, the electromagnetic heating device includes induction coil and frequency control system, the conveying mechanism is used for conveying the product to be recycled to pass through the induction coil, the induction coil is suitable for heating the single side or both sides of metal coiled material, and the metal surface layer of one side metal coiled material is heated to the peeling degree through the heat conduction of the flexible surface layer, the frequency control system is used for controlling the current frequency of the induction coil and realizes the control metal coiled material surface layer heating depth. The utility model adopts the product to be recycled through electromagnetic heating device, adjusts the appropriate frequency, and accurately heats the metal coiled material surface that is pasted with the flexible surface layer, and the metal coiled material surface that is heated rapidly will heat conduction heating to the adjacent flexible surface layer near the softening point, reaches the purpose that metal coiled material and nonmetal flexible surface layer are stripped.
Owner:JIANGSU BONNY LIGHT METAL TECH CO LTD

Liquid chip multi-channel signal intelligent cleaning and dynamic analysis method and system

PendingCN122508233Aresolve comparabilitySolve the problem of masking weak signals
This invention belongs to the field of intelligent medical signal processing technology, and discloses a method and system for intelligent cleaning and dynamic analysis of multi-channel signals from a liquid phase chip. The method first acquires the raw digital signals collected by multiple optical channels of a liquid phase chip detection system; after time-domain and amplitude dual-dimensional feature extraction, based on a pre-constructed multi-type noise feature library, noise components are removed using a convolutional neural network to obtain a clean signal; then, each detection channel is defined as a network node, and the crosstalk coupling coefficient between channels is used as the edge weight. Based on the channel crosstalk correlation matrix, a graph convolution algorithm is used to complete decoupling operations and numerical compensation to obtain independent real signals; finally, multi-dimensional features such as channel signals, blank controls, acquisition parameters, and environmental correction coefficients are fused, and a signal distribution model is constructed through density clustering to independently calculate real-time judgment thresholds for each channel and complete validity determination. This invention solves the technical problems of poor denoising adaptability, insufficient crosstalk correction accuracy, and fixed and rigid judgment thresholds in existing liquid phase chip signal processing.
Owner:SHANGHAI CHANGNING DISTRICT CENT FOR DISEASE CONTROL & PREVENTION

Slurry purifying and filtering device and system

PendingCN121944792Aquick switchFlexible series connectionUltrafiltrationFilter systemSlurry
The invention discloses a slurry purifying and filtering device and system.The liquid inlet end and the liquid outlet end of the filtering device are connected with a first two-way fluid driving unit and a second two-way fluid driving unit respectively, the filtering device comprises a thickening body, supporting nets, filtering membranes, convex edges and a cylinder, and the multiple layers of supporting nets and filtering membranes are arranged in a space defined by the thickening body, the convex edges and the cylinder; one end of the cylinder is open and fixedly connected with the convex edge in a threaded mode, the convex edge is connected with the thickened body, the supporting net is connected with the convex edge and divides a cavity formed by the thickened body and the cylinder into an inner cavity and an outer cavity, a liquid flow channel is formed in the thickened body and connected with the inner cavity, and an anti-blocking gap is reserved. The filtering system comprises the filtering device, a bidirectional fluid driving module and an ultrasonic enhanced backwashing module. Through the multi-layer nested structure and standardized interface design of the quick-release filtering functional component, quick switching and free matching of the thickness degree of the filter screen are realized, and the filter screen can be flexibly connected in series, is adaptive to purification scenes of different working conditions and is high in purification precision.
Owner:NANJING UNIV +1

A comb with retractable teeth.

ActiveCN224420343Uprevent slippingachieve strippingMechanical engineeringPhysics
A comb with retractable teeth, belonging to the field of comb technology, is disclosed. It includes an upper cover, a lower cover, an upper cover handle connected to one end of the upper cover, and a lower cover handle connected to one end of the lower cover. The upper cover has comb tooth holes on its surface, and a comb tooth seat with comb teeth and a push-pull mechanism for moving the comb tooth seat up and down are located inside the upper cover. The comb teeth pass through the comb tooth holes and move up and down within the holes under the push-pull mechanism. This utility model features a novel design, simple structure, and strong practicality. It uses a push-pull rod to drive a U-shaped frame to move back and forth, allowing the comb tooth seat installed in the guide groove of the U-shaped frame to move up and down along the guide groove, thereby peeling hair tangled on the comb teeth away.
Owner:刘伟