1322 results about "Filter system" patented technology

The present invention relates to a method for automated data processing to assess the state of multiple filtration membranes used in liquid filtration. The method involves receiving data from state sensors positioned within or near a set of membranes, which process incoming water into permeate and concentrate flows. This data, collected as time series at predefined frequencies, pertains to external physical parameters. An operating indicator is determined from this data, forming a second time series. Both the first and second time series are recorded as point clouds over a specified acquisition period. An intermediate operating indicator is generated, representing the state of new, clean, or cleaned membranes, using a learned normalization model. Finally, a normalized operating indicator is produced, characterizing membrane fouling and aging, independent of environmental variations, and forming a third time series. This method enhances the accuracy of membrane state assessment in filtration systems.

The utility model provides a purified water dispenser which comprises a water softening system, a water purifying system and a hot water system, the water purifying system comprises a filtering system, a soft water quality detection piece, a soft water temperature detection piece and a variable-frequency booster pump, and the soft water quality detection piece and the soft water temperature detection piece are both connected with the variable-frequency booster pump. The rotating speed of the variable-frequency booster pump is determined according to the total amount and temperature of dissolved solids in soft water measured by the soft water quality detection part and the soft water temperature detection part, and the stability of the water making flow speed of the purified water dispenser is guaranteed.

The invention provides an intelligent maintenance cleaning device for nanofiltration membrane pollution control and a method thereof, and solves the problems of low maintenance cleaning efficiency, poor adaptability of cleaning parameters and pollution conditions and frequent chemical cleaning of an existing nanofiltration system. Belongs to the technical field of membrane pollution control. According to the invention, the filtering system, the cleaning system and the intelligent decision-making module are integrally designed, so that the closed-loop control of the whole process of real-time monitoring, pollution identification, intelligent decision-making and automatic cleaning of the running state of the nanofiltration membrane is realized. The cleaning effect gating memory neural network model is used as a membrane pollution prediction model, membrane pollution can be accurately predicted, and key cleaning nodes can be identified. The optimal membrane cleaning parameters are generated by adopting a non-dominated sorting genetic algorithm, the usage amount of chemical agents and the cleaning cost are reduced, and the membrane pollution control effect is improved. The invention is applicable to the field of drinking water treatment.

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.

The invention provides an active suppression type multi-band electromagnetic interference filtering system and method for an unmanned aerial vehicle, and the system comprises a signal input unit which is used for receiving input signals from a plurality of to-be-protected modules in an unmanned aerial vehicle system; the interference identification unit is used for monitoring frequency spectrum information of the input signals in real time and identifying interference characteristics of the input signals; the control processing unit is used for generating a corresponding filtering control instruction according to the identification result; the active filtering unit is used for dynamically adjusting filtering parameters according to the control instruction and completing suppression of multi-band electromagnetic interference; and the signal output unit is used for outputting the filtered signal to the corresponding unmanned aerial vehicle module. The active suppression type multi-band electromagnetic interference filtering system is specially designed for an unmanned aerial vehicle system, has the characteristics of intelligence, light weight and high efficiency, can effectively improve the anti-interference capability of an unmanned aerial vehicle in a complex electromagnetic environment, and has a wide engineering application prospect.

Systems and techniques for wireless communication are provided. Radio frequency identification (RFID) observations may be obtained based on an excitation signal and a plurality of backscatter signals from a plurality of RFID tags. Each backscatter signal may indicate an identifier of a respective RFID tag uniquely associated with a particular item of the plurality of items. The expected background noise information indicative of a subset of the plurality of items for the RFID observation may be determined based on comparing the location of the wireless communication device to the item placement information for the plurality of items. The RFID observations may be filtered using expected background noise information to exclude information associated with a subset of the plurality of items. A shopping basket content estimate may be determined from the filtered RFID observations, wherein the shopping basket content estimate is indicative of one or more collected items of the plurality of items.

An extended Reality (XR) system is provided that provides filtering for a raycast cursor. The XR system provides an XR user interface to a user, the XR user interface includes a raycast and pinch user input modality having a raycast cursor. While continuously capturing, using one or more sensors of the XR system, tracking data of a hand of a user, the XR system determines a pinch intention intensity using the tracking data, and in response to determining the pinch intention intensity meets or exceeds an enter pinching state value, activates a raycast cursor filter applied to a position of the raycast cursor of the raycast and pinch user input modality.

An accessory pool filter system prevents larger debris from entering the pool's primary filter and potentially interfering with its operation. The system includes a bucket-shaped body with an inlet near the top, a straining basket inside, and an outlet near the bottom. The inlet is connected to an intake hose, and the outlet is connected to an outlet hose, which in turn connects to the pool's main filtration system. The apparatus uses the suction created by the pool filtration system's pump to draw water through the intake hose and pass it through the strainer before it continues on through the inlet to the pool's main filtration system. As the water passes through the system, larger debris is trapped in the basket, thereby preventing it from clogging up the lines of the pool's main filtration system.

The utility model discloses water purification equipment which comprises a shell assembly, a waterway board, a water containing module and a filtering system, the waterway board is arranged in the shell assembly, and the water containing module is arranged in the shell assembly; the filtering system is arranged in the shell assembly, and the filtering system is communicated with the water containing module through the waterway plate. Wherein the waterway plate comprises a first waterway plate and a second waterway plate which are communicated with each other, the filtering system and the water containing module are respectively positioned on two opposite sides of the first waterway plate, and an included angle is formed between the second waterway plate and the first waterway plate. According to the technical scheme, internal space utilization and performance expression of the water purification equipment can be optimized.

The embodiment of the utility model discloses a purified water dispenser, a control method and a computer readable storage medium, the purified water dispenser comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for connecting tap water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a pressurizing pipeline and a filtering system, a water inlet of the pressurizing pipeline is communicated with the water inlet of the water purification system, and a water outlet of the pressurizing pipeline is communicated with a water inlet of the filtering system; a water outlet of the filtering system is communicated with a water outlet of the water purifying system; the controller is connected with the water softening system and is connected with the pressurizing pipeline; when the water outlet of the water softening system outputs hard water, the controller can control the water pressure in the pressurizing pipeline to be reduced, so that the reverse osmosis filter element can reach the normal service life.

A fuel filtering system comprising a fuel filter having an input, an output and a washing path. The fuel filter may be cylindrical in shape. The system further comprising a bypass valve having an input from the washing path, and a drain, wherein when the cylindrical fuel filter has a pressure drop from the input to the output, the bypass valve opens to permit cleaning of the filter by allowing fuel to flow from the washing path to the drain. The bypass valve comprises a spool, a valve seat and a spring that has a spring rate (Sk). The output is may be provide through an input to the bypass valve, behind the spool.

The utility model provides re-filtration equipment for iron-containing sludge wastewater produced by Fenton reaction, a water distribution system is used for uniformly distributing inlet water, the water is flocculated wastewater and enables the flocculated wastewater to automatically flow into a filtration system, and a transmission device in the filtration system comprises a driving wheel, a driven wheel and a belt, rotating shafts of the driving wheel and the driven wheel are parallel to the ground, the water distribution system is located above the transmission device, the movement direction of the top edge of the driving wheel in the transmission device during rotation is recorded as the conveying direction of the belt, and the conveying direction of the belt is opposite to the water incoming direction of the water distribution system during working; first HIW filter cloth is arranged on the belt, and the first HIW filter cloth is high-hydrophilic filter cloth and is made of a hydrophilic material. The re-filtration equipment solves the problem that iron-containing sludge wastewater is flocculent and is not separated, saves the medicament cost, improves the convenience of field operation, saves the manufacturing cost and occupied area of a sludge system, can operate automatically, and is low in investment cost, low in operation cost and simple and convenient in field operation management.

The invention provides an STM32-based anaerobic fermentation biogas slurry near infrared transmission spectrum data on-line acquisition device. The device comprises a backwashing anti-blocking biogas slurry filtering system and an on-line liquid near infrared spectrum acquisition system, according to the system, a three-stage filtering mechanism is adopted, an STM32 microcontroller is taken as a core, a miniature optical fiber spectrometer and a halogen tungsten lamp light source are integrated to construct a compact transmission light path, and solid particles in biogas slurry are effectively removed by combining a backwashing anti-blocking T-shaped three-way filter, a double-buffer-bottle liquid level control mechanism and a PID liquid level control strategy; the cavitation phenomenon of a biogas slurry sampling pipeline is inhibited, the stability of sample conveying and the repeatability of spectrum collection are remarkably improved, and an efficient and portable online detection solution is provided for anaerobic fermentation process control; reliable hardware support is provided for application of a near infrared spectrum detection technology in a complex anaerobic fermentation environment.

The invention relates to a filter element (10) for filtering a fluid, in particular air, comprising at least a filter medium body (12) with a non-closed cross-section and a filter medium (14) arranged in folds (16), in particular in a zigzag pattern, along a longitudinal extension (50) of the filter medium body (12), wherein fold tips (18) form a first end face (22) and fold valleys (20) form a second end face (24) opposite in a transverse extension (52) of the filter medium body (12), with fixing elements (80) which extend between the folds (16) in the transverse extension (52) and fix a distance between the folds (16), with a first edge element (26) at least partially circumferentially around the first end face (22) and a second edge element (28) at least partially circumferentially around the second end face (24). The filter medium body (12) has at least one of its end faces (22, 24) a notch (40, 44) whose length (42, 46) in the transverse extent (52) is at least a part of the transverse extent (52) of the filter medium body (12).

A filter cartridge and a filter system. The cartridge can include a support tube, and a mesh pack surrounding the support tube. The mesh pack includes: three or more wire mesh layers, wherein at least two of the wire mesh layers are adjacent to one another and rotated relative to one another or have different sizes; and a filtration layer arranged between the two of the three or more wire mesh layers.

The utility model provides a pneumatic type in-situ circulating ecological filtering system which comprises a water lifting pipe, a water storage square barrel and an algae attachment square plate, the upper end of the water lifting pipe is connected with a valve for discharging water, and the lower end of the water lifting pipe is connected with a pneumatic generator and is fixedly connected with a water guide pipe through a fixer; the fixing device penetrates through the wall of the square water storage barrel, the water guide pipe is located in the square water storage barrel, the upper end of the water guide pipe is connected with a variable-diameter connector, and the diameter of the variable-diameter connector is gradually increased in the upper end opening direction. A microbial filter material is arranged in the water storage square barrel, a blocking filter screen is mounted above the filter material, a water guide opening is formed in one side of the barrel and located above the blocking filter screen, and the water guide opening is fixedly connected with the algae attachment square plate to guide water flow into the square plate; a micropore cross plate is laid on the surface of the square plate, a full-spectrum lamp is arranged above the square plate, and a drainage pipe is connected to one side. The device can improve dissolved oxygen in water and stabilize water quality, so that the aquaculture density, survival rate and yield are improved, and the whole device has the advantages of high filtering efficiency, good aquaculture effect, low energy consumption, low operation cost and the like.

The invention relates to the technical field of image data processing, in particular to a weld joint pseudo-defect recognition and filtering system based on image processing, which comprises the following steps: acquiring a surface image of a local area of a weld joint through an image acquisition module; marking the welding seam sub-region as a photosensitive dominant sub-region or a photosensitive non-dominant sub-region through a region marking module; screening defect confidence suspected sub-regions through an initial recognition module according to a comparison result of texture feature quantized values of the photosensitive dominant sub-regions and the photosensitive non-dominant sub-regions; analyzing the spatial distribution condition of the defect confidence suspected sub-regions through a feature matching module so as to judge the defect filtering type of the local region of the welding seam; and determining a defect filtering strategy for the local area of the welding seam through an identification filtering module. Furthermore, by using the difference between the pseudo defect and the real defect in the optical response rule, a targeted regional differentiation analysis mechanism is adopted, and the pertinence of the filtering strategy is improved.

A filter element for a fluid to be installed in a housing of a filter system, wherein the housing has at least a first housing part, a second housing part, and a filter head, is provided with a filter medium body having an end disc at an end face. One or more connection elements for connecting the filter element to at least one counterpart connection element of the second housing part are arranged at the end disc and extend away from the end disc in a longitudinal direction of the filter element. A filter system is provided with such a filter element which is arranged in the housing of the filter system and is connected to the counterpart connection element of the second housing part.

Along with global energy transformation, a grid-connected micro-grid serves as a key carrier for distributed energy access, and operation faces complex working conditions. A system is often interfered by colored noise caused by an intermittent power supply and an electromagnetic environment, and meanwhile, information loss is caused by communication aging, acquisition faults and the like, so that challenges are brought to modeling and parameter identification. According to the method, a grid-connected micro-grid Volterra-Wiener model of a static nonlinear block based on a Volterra sequence is taken as an object, and a two-stage expansion-minimization iterative estimation algorithm based on filtering is provided. Firstly, data filtering is carried out on collected input and output data to suppress colored noise, then a hierarchical principle is utilized to decompose a filtered system into two subsystems, and efficient and high-precision identification of model parameters under missing output data is realized through a proposed algorithm. The invention aims to improve the parameter identification precision of the micro-grid system with noise and incomplete data.

The utility model relates to a detachable automatic backwashing filtering device which comprises a main pipeline, a bypass pipeline and a blow-off pipeline, a liquid inlet and a liquid outlet are formed in the two ends of the main pipeline respectively, and an inlet self-control valve, a filter, a standby self-control valve and an outlet self-control valve are sequentially arranged between the liquid inlet and the liquid outlet in the liquid flowing direction. The bypass pipeline and the blow-off pipeline are both communicated with the main pipeline, a bypass self-control valve is arranged on the bypass pipeline, and a blow-off self-control valve is arranged on the blow-off pipeline. An inlet pressure gauge and an outlet pressure gauge are arranged on the main pipeline; and all the pressure gauges and the self-control valves are connected into an industrial automatic control system. By arranging the bypass pipeline and the blow-off pipeline, backwashing of the filter can be realized without shutdown, so that washed impurities are directly flushed into the blow-off pipeline and discharged. The automatic control valve and the pressure gauge are connected into an industrial automatic control system, so that the filtering system can be monitored in real time, and the blockage condition of the filter can be automatically judged.

The invention discloses an intelligent monitoring, regulating and controlling liquid supply system and method for photoelectrochemical mechanical polishing liquid. The system comprises a base, a liquid storage system, a stirring system, a polishing liquid component detection system, a polishing liquid component supplementing system, a filtering system and a polishing liquid conveying system. The device is specially designed for PECMP waste liquid recovery, the components of the waste liquid are accurately regulated and controlled by integrating a synchronous monitoring and dynamic supplementing mechanism for multiple parameters including the pH value, the resistivity and the light transmittance so as to meet the reuse standard, and the strict requirement of the PECMP technology for multi-parameter coupling of a polishing solution is met; the system adopts a graded filtering structure of'rough filtration by a water filter and fine filtration by a water purifier ', and impurity particles and coagulation pollutants in the waste liquid are efficiently removed. By means of the process of rough filtration pretreatment, component monitoring, intelligent supplementing, circulation regulation and control and fine filtration reuse, intelligent monitoring and circulation reuse of the polishing solution are achieved, and the consumption of the polishing solution is reduced on the premise that the polishing quality is guaranteed.

The application discloses a kind of advanced oxidation filtration system and method, the outlet of solution tank is connected with the inlet of pipeline mixer by first pipeline, the outlet of raw water tank is connected with the inlet of pipeline mixer by second pipeline, the outlet of raw water tank is connected with the inlet of US activated filter by third pipeline, the outlet of pipeline mixer is connected with the inlet of US activated filter by ultraviolet generator, first turbidimeter is arranged on the second pipeline;The water outlet of US activated filter is connected with the inlet of water production tank by fourth pipeline, second turbidimeter is arranged on the fourth pipeline in sequence along water flow direction;Ultrasonic probe is arranged on the US activated filter, and the ultrasonic probe is connected with alternating current power supply by ultrasonic generator main body, and the system and method can be handled at low cost.

The utility model relates to a filter for methanol fuel, and relates to the technical field of methanol fuel filters. The filter comprises a filter mounting pipe, the two ends of the filter mounting pipe are open, the top wall of the filter mounting pipe is communicated with a vertical mounting pipe, the sections of the filter mounting pipe and the vertical mounting pipe are T-shaped, a filter body is arranged in the vertical mounting pipe, a sealing cover is arranged at the top end of the vertical mounting pipe, and the top end of the filter body is connected with the sealing cover. A locking assembly used for fixing the sealing cover to the vertical mounting pipe is arranged on the vertical mounting pipe. The utility model has the effects of simplifying the design of the filter system and improving the convenience and reliability of maintenance and operation of the filter.

The present invention relates to a drivetrain of a wind turbine and a wind turbine with the drivetrain, wherein the drivetrain comprises at least a gearbox, a generator and a lubrication system. The lubrication system comprises at least a pump unit, a main filter system, a heat exchanger and a distribution unit. A secondary filter system is arranged upstream relative to the distribution unit and downstream relative to the heat exchanger. The first filter system has at least one first filter with a first filtration range and the secondary filter system has at least one second filter with a second filtration range. The first filtration range differs from the second filtration range.

The invention discloses a polyetherketoneketone fiber anti-adhesion porous spinning method. The method comprises the following steps: dissolving polyetherketoneketone to obtain a spinning solution, and extruding the spinning solution through a porous spinneret plate to form a plurality of spinning trickles; the trickles enter a first coagulating bath to be preliminarily coagulated and formed, and fibers are obtained; dividing the fibers by a split type dividing plate, guiding the fibers into a second coagulating bath by a godet, washing with water, applying oil, and then drying; fibers enter the hot drafting device to be subjected to multi-stage hot drafting, and after heat setting, the fibers are tidied and wound by the buncher. The first coagulating bath is provided with a bath lotion supplementing unit, a circulating filtering system and an ultrasonic generator which are combined to quickly and uniformly update components of the coagulating bath; and the split type filament separating plate keeps a distance between fibers, prevents mutual adhesion and improves the double-diffusion efficiency in the second coagulating bath. The ultrasonic-assisted circulating filtration system is used for updating the synergistic effect of the coagulating bath and the split type filament separating plate, so that the problems that fibers are easy to adhere and are uneven in evenness and performance are effectively solved.

According to the device and the method for determining the content of the foreign substances in the polyester material, provided by the invention, alcoholysis reaction and filtering separation functions are integrated in the same device, so that the integration of a test process is realized. The device adopts a structure capable of being inversely arranged, and can be used as a reaction container when being inversely arranged, so that full alcoholysis of a polyester matrix is realized under high-temperature and high-pressure conditions; and the filtering efficiency can be improved through the internal and external pressure difference. The loss and pollution of foreign substances caused by sample transfer in a traditional method are avoided, and the test accuracy is improved from the source. In the aspect of the method, a hot ethanol circulating washing mechanism is introduced, so that residual depolymerization products are effectively dissolved and removed at a proper temperature, and pure retention of foreign substances is ensured. The whole determination process is completed in the same device, the operation steps are simplified, the analysis time is shortened, and the device has the comprehensive advantages of high test precision, wide applicability and the like.

The invention relates to a filter element (10) for a fluid, in particular for a liquid, in particular oil or fuel, for installation in a housing (110) of a filter system (100) having at least one first housing part (112), a second housing part (114) and a filter head (116), said filter element comprising at least a filter medium body (12), at least a first end face (16) is provided with a first end disc (20); and at least one connection element (32) for connecting the filter element (10) to at least one connection counterpart element (120) of the second housing part (114). Wherein at least one connecting element (32) is arranged on the first end disc (20) and extends from the first end disc (20) in the longitudinal direction (80). The invention also relates to a filtration system (100).

The utility model discloses a combined type water purifying and filtering system which comprises a shell and a filter element arranged in the shell, a water inlet pipe is arranged at the top of the shell; the lower end of the water inlet pipe extends into the filter element; a water outlet pipe is arranged at the bottom of the shell and is communicated with the interior of the shell; the filter element is of a multi-layer spherical structure and comprises a sponge layer, a shaddock peel source filter layer, an adsorption layer and an orange peel source filter layer which are sequentially arranged from inside to outside; and the lower end of the water inlet pipe extends into the sponge layer of the filter element. The utility model has the beneficial effects that the sponge layer is designed to realize mechanical filtration, the shaddock peel source filter layer intercepts grease pollutants and inhibits bacterial regeneration, the activated carbon adsorption layer adsorbs small molecular pollutants, and the orange peel source filter layer removes peculiar smell, organic pollutants and colloidal substances, so that a composite purification system with mechanical interception, multi-layer adsorption and bacteriostasis is formed; compared with the prior art, the purification effect is greatly improved.

A modular water filter system has an enclosure defining an enclosed space. The enclosure includes a base, a plurality of walls, and a roof surrounding the enclosed space. A water filter system is positioned within the enclosed space. The water filter system includes an inlet configured to receive raw water. A bag filter is coupled to the inlet. A first hose has a first end coupled to the filter and a second end coupled to a first Per- and Polyfluoroalkyl Substances (PFAS) or other treatment vessel. A second hose has a first end coupled to the first treatment vessel and a second end coupled to a second treatment vessel. A third hose has a first end coupled to the second treatment vessel and a second end coupled to a resin trap. An outlet is coupled to the resin trap and is configured to discharge filtered water.

The utility model discloses paper tube glue production field, specifically relates to a kind of filtering device for paper tube glue production, it includes frame, filtering system, lifting mechanism, locking mechanism and compacting device. Frame is equipped with filter hopper, discharge pipe, guide rod, arc frame, air cylinder and lifting bin, filtering system contains filter screen and fixed frame, locking mechanism is realized quick disassembly by plugboard, clamping block and spring, compacting device utilizes press block to ensure filtering stability. The utility model is through optimization structure design, significantly improves filtering efficiency and operation convenience, solves the problem of low filtering efficiency, complex operation and inconvenient filter screen replacement in prior art, applicable to a variety of paper tube glue production scene.