2211 results about "Filtration" patented technology

The invention relates to a method for preparing a lithium iron phosphate / carbon composite material of a lithium ion battery, which belongs to the technical field of lithium ion batteries. The method for preparing the lithium iron phosphate / carbon composite material of the lithium ion battery comprises the following steps of: 1) preparing a suspending graphene-dispersed aqueous solution system, namely, crushing graphite to 1 to 5 microns, adding the crushed graphite into distilled water or purified water, adding 0.1 to 5 percent of surfactant, heating with stirring the mixed solution to 180 to 250 DEG C in a sealing way, performing stirring for 2 to 6 hours and reducing the temperature; 2) crushing lithium iron phosphate to the particle size of 1 to 5 microns, adding the crushed lithium iron phosphate into the distilled water or the purified water, adding with stirring 0.01 to 1 percent of coupling agent, performing uniform stirring, adding the graphene-dispersed aqueous solution, and performing stirring and filtration; and 3) vacuum-drying solid powder obtained by the filtration, and calcinating the dried solid powder for 2 to 12 hours to obtain the graphene-coated lithium iron phosphate cathode material. The method has the advantages of simple process, high material performance, high conductivity, high bulk density, high compacted density and the like.

The invention discloses a method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues. The primary raw materials comprise industrial waste residues, carbon powder, a pore forming substance and an adhesive. The aluminum oxide-silicon carbide compound porous ceramic is prepared by the following steps of mixing, drying, forming and sintering to obtain a final product. Treatment and high additional value utilization of the industrial waste residues are achieved. The prepared porous ceramic is remarkable in performance, and can be applied to the fields of filtration, sound isolation, heat isolation, fire fighting and the like. The method is simple in process flow and convenient for industrialized promotion; and the cost is good to control and the method has extreme economical value.

The invention discloses a microbiological deodorization method, which belongs to the technical field of disinfection and deodorization, and comprises the following steps: S1, preparing a microbial preparation, S2, pre-stirring a strain combination; S3, preparing a deodorant from the prepared composite microbial preparation according to the mass; and S4, putting a prepared deodorant into an ultrasonic atomizer or a spray tower. According to the invention, the microbial preparation is creatively adopted to perform spray deodorization on the odor source, so that the deodorization efficiency is high, the effect is good, the treatment cost of the odor source and odor is effectively reduced, the overall operation difficulty is low, only the polluted area is atomized, the odor is effectively controlled before volatilization, the odor pollution spreading can be effectively controlled, and the influence on the operation environment is avoided; the microbial inoculum is non-toxic, can be naturally degraded, has no residue after deodorization, does not need additional neutralization and filtration, has higher environmental adaptability, and meets the deodorization requirements of small and medium-sized farms and small and medium-sized garbage collection stations.

The invention relates to a gas nanometer purification method and a purifier, and the method comprises the following steps: gas to be cleaned enters a gas-water separator for gas-liquid separation and coarse filtration, liquid impurities and large-particle solid impurities in the gas are removed, and preliminarily purified gas is obtained; on the basis of switching logic, the preliminarily purified gas is alternately conveyed to two adsorption unit groups for deep adsorption purification, adsorbent dehydration treatment and fine dust interception treatment are sequentially completed in the adsorption units, and clean gas is obtained; one part of the clean gas is conveyed to the gas storage bin to be stored, and the other part of the clean gas is conveyed to the regeneration gas bin to be pre-stored for regeneration cycle of the subsequent adsorption unit. Through the integrated method design of continuous adsorption working conditions, online regeneration cycle and automatic pressure equalizing switching, seamless connection of adsorption and regeneration and uninterrupted gas supply in the whole process are achieved, gas supply interruption and severe gas pressure fluctuation are effectively avoided, and the strict use requirements of precise manufacturing, automatic production lines and continuous production scenes for stable gas sources can be met.

This utility model provides a parallel backwashing physical filtration device and a seawater-to-edible-salt system, belonging to the field of edible-salt production. The parallel backwashing physical filtration device includes: a physical filtration section for filtering seawater to obtain clean seawater; a clean seawater tank; and a physical cleaning section for physically cleaning the physical filtration section with clean seawater when the physical filtration section stops filtering. The physical filtration section has: a screen-type physical filtration module for filtering seawater to obtain coarse seawater; and a membrane-type physical filtration module for filtering the coarse seawater to obtain clean seawater. The physical cleaning section includes: a backwashing unit that connects the screen-type and membrane-type physical filtration modules to the clean seawater tank, respectively, and uses clean seawater to backwash the membrane-type and screen-type physical filtration modules; and a drainage unit for discharging the backwashed wastewater.

The utility model relates to sewage treatment technical field proposes a kind of biological deodorization device for sewage treatment station, filtering mechanism, filtering mechanism includes first mounting bracket, and electric push rod is installed on first mounting bracket, and the output end of electric push rod is connected with installation frame, and filter screen is installed on installation frame;Cleaning mechanism, cleaning mechanism includes second mounting bracket, and multiple brushes are connected on second mounting bracket, and the bottom end of second box body is installed with first motor, and the output end of first motor is connected with second mounting bracket;Fan is installed to the top end of second box body, and the input end of fan is communicated with second box body, and the output end of fan is communicated with first box body, the device is rotated by second motor drive installation ring, to adjust the position of first biological filter bed and second biological filter bed, reduce replacement step, improve use convenience, by first motor drive multiple brushes rotation, to carry out cleaning to particulate matter on filter screen, improve filtration effect.

The present invention aims to treat hay fever by providing water from which pollen (an allergen) has been removed using the pollen treatment facility C of the present invention. [Solution] In a water treatment system consisting of a water tower B, a water treatment plant D, a sand filtration area E, and a water distribution reservoir F, a pollen treatment facility is provided to remove pollen from the river water 1 supplied to the water treatment plant D.

The utility model provides a kind of artificial wetland of urban sewage treatment, including preliminary filter box and wetland body, the left side of preliminary filter box is connected with inlet pipe, the right side of wetland body is located preliminary filter box, the right side of preliminary filter box is connected with drain pipe, the middle end of drain pipe is fixedly installed with water pump, the end of drain pipe away from preliminary filter box is connected into the inner chamber of wetland body, the outside of preliminary filter box is fixedly installed with fixed frame, the surface of preliminary filter box is provided with cleaning mechanism, the cleaning mechanism includes motor, driven gear, support frame and frame, by setting cleaning mechanism, it can effectively avoid after carrying out preliminary filtration to sewage, due to the influence of garbage, leading to sewage cannot normally flow into the situation occurs in the inner chamber of wetland body, while reducing the step of manually fishing garbage in the inner chamber of preliminary filter box, reduce the waste of artificial cost.

The utility model relates to camellia oil low temperature extraction technical field, concretely relates to a camellia oil low temperature extraction device, include: low temperature extraction main part, the low temperature extraction main part outside is provided with the oil outlet pipe, the oil outlet pipe below is provided with the filter jar, filter mechanism, including fixedly connected in the filter jar inside baffle, the baffle one side is provided with the filter screen that sets up the fan shape, the baffle top is provided with the notch that sets up the fan shape, the notch below is provided with the material guide plate that extends to the filter jar outside, the material guide plate above is provided with the cleaning brush, the utility model discloses through the setting of filter mechanism, in the mixed oil liquid enters to the filter jar, under the action of filter screen to the material slag in oil liquid carries out the filtration, and under the action of cleaning brush will the material slag that remains on filter screen scrape into the notch, finally through the material guide plate and discharge the filter jar outside, prevent the material slag to accumulate on filter screen, improve the filtration efficiency to mixed oil liquid.

The utility model discloses a kind of metal particulate matter control system, including buffer tank, buffer tank is connected with first bag filter, first bag filter is connected with several groups total filter components, total filter components have circulating filter piece, total filter components include finished product storage tank, finished product storage tank is connected with magnetic filter, magnetic filter is connected with first filter, first filter is connected with second filter, second filter is connected with packing machine;NMP in finished product storage tank is extracted by circulating pump and is sent into second bag filter, third filter, finished product storage tank, realizes the circulating filtration of NMP, can more stably filter NMP, there are less particulate matter in NMP, the multi-pass process grading filtration of NMP is realized by first bag filter, magnetic filter, first filter, second filter, avoid relying on some filter centralized to NMP, reduce the degree of jam, can improve the flow efficiency of NMP, filtering effect is good, and filtering efficiency is high.

The utility model discloses a kind of RO reverse osmosis membrane filter element, including filter cylinder, the inside fixed mounting of filter cylinder is equipped with bulkhead, the middle part fixed mounting of bulkhead is equipped with permeate collection pipe, the inside of filter cylinder is provided with filter assembly;The two ends of filter cylinder are respectively threadedly connected with liquid inlet end cap and liquid outlet end cap, and the side wall of liquid outlet end cap is equipped with sewage outlet. The utility model is through multistage modularization filtration design, effectively improves water purification effect, while simplifies maintenance process, reduces cost, ensures the safety and purity of effluent water quality.

The utility model belongs to water quality purification technical field provides a kind of purification device, circulating water aquaculture water quality purification system, the device includes by first filter bag, second filter bag and third filter bag that inner layer nest together outward, water flow gap is provided between adjacent filter bag;Water hole is opened on first filter bag, second filter bag and third filter bag, water source entering purification device forms axial-radial-axial flow path in water flow gap by water hole, finally reaches the water purification effect of denitrification and filtration.This purification device can filter organic particulate matter in water source and the whole process device stability is high;And have filtration function and adsorb particulate function;Based on the assembly of purification device, the water oxygen content gradient of the present purification system can be reduced to anaerobic state, thereby causing short-range nitrification reaction to remove nitrogen from water body;And the system has the characteristics of low energy consumption, good purification effect and compact system, thereby reducing the total investment cost.

A water filtration and storage device is disclosed, which is a storage device and dispenser, as well as a combined water filtration system. The water filtration and storage device comprises a storage component that is configured in a rectangular shape. The storage component is made from stainless steel with vacuum seal insulation. The storage component includes a corrugated outer surface and a smooth inner surface to keep water clean. Preferably, the storage component has a five-gallon capacity. Further, the storage component comprises a screw-on water filter, a stow-away spigot, a fill cap, and a release valve. The storage component also comprises a recessed handle for easy carrying.

The utility model relates to agricultural irrigation technical field especially, relates to a water -saving irrigation drip irrigation water storage device. Including water storage tank, water collecting tank, tank cover, filter plate, protective housing, threaded rod, motor etc. ; The upside of water storage tank is equipped with water collecting tank, is equipped with tank cover in water collecting tank, is equipped with filter plate in water collecting tank slidingly, is equipped with the fixed mechanism for fixing filter plate in water collecting tank, both sides of water collecting tank are equipped with protective housing, the inside rotatable of one side's protective housing is equipped with threaded rod, is equipped with guide rod in the other side protective housing, and the inside installation of threaded rod one side's protective housing has motor. The utility model carries out the filtration to the collected rainwater through filter plate, removes the impurity, ensures water quality clean, provides high quality water source for subsequent drip irrigation system, motor drives the horizontal movement of clean brush, carries out the cleaning to filter plate surface, prevents the impurity accumulation and blocks filter plate aperture, maintains the filtration efficiency of filter plate.

The application discloses a multi-stage stretching and heat setting acrylic filament preparation equipment and process, which comprises a multi-stage stretching structure, the multi-stage stretching structure is connected with a waste liquid treatment structure and is used for treating and recycling the waste liquid, a heat setting structure is installed on the upper side of the multi-stage stretching structure and is used for heat setting treatment of the acrylic filament, a heat energy recovery treatment assembly is connected with the heat setting structure and the waste liquid treatment structure and is used for recycling and reprocessing high-temperature heat energy, the multi-stage stretching structure comprises a bottom box, a first pretreatment assembly, a wet heat stretching assembly, a heat roller stretching assembly and an air cooling assembly are installed on the upper side of the bottom box, the wet heat stretching assembly is arranged on the right side of the first pretreatment assembly, the heat roller stretching assembly is arranged on the right side of the wet heat stretching assembly, and the air cooling assembly is arranged on the right side of the heat roller stretching assembly, the multi-stage stretching and heat setting acrylic filament preparation equipment and process are treated through multi-stage filtration, so that the waste water treatment effect is ensured, the treated waste water is stored in a liquid storage tank and is recycled finally.

The utility model relates to the field of traditional Chinese medicine preparation technology, especially to a traditional Chinese medicine liquid extraction and filtration device, which comprises an extraction barrel, the extraction barrel is fixed on an extraction support, a filter barrel is fixed in the extraction barrel, and a plurality of filter through holes are formed in the barrel wall of the filter barrel; a first discharging device is arranged at the bottom of the filter barrel, and a second discharging device is arranged at the top of the filter barrel, the first discharging device comprises a first discharging air cylinder, the first discharging air cylinder is vertically arranged at the bottom of the extraction barrel, a plurality of first limiting through grooves are formed in the inner wall of the filter barrel, a first pushing plate is slidably arranged in the first limiting through groove, and the piston rod of the first discharging air cylinder is fixedly connected with the first pushing plate. The traditional Chinese medicine liquid extraction and filtration device can quickly discharge the dregs from the extraction barrel after the liquid extraction, thereby improving the extraction and filtration efficiency.

The application discloses an aquaculture tail water biological membrane purification device, and belongs to the field of environmental engineering water treatment. The device realizes tail water purification through a multilayer purification zone series connection structure, comprises a main body shell, a top water inlet and a bottom water outlet, at least two purification zones are arranged in the main body shell, the at least two purification zones are separated by a flow interception plate and are connected through a spiral descending water tank; the purification zone is filled with gravel (physical filtration and gradient denitrification), biological suspended filler (aerobic biological membrane oxidation) and coupled autotrophic filler (sulfur-iron synergistic denitrification and phosphorus removal) in layers. The spiral water tank prolongs the water residence time, and an aerator strengthens oxygen transfer; modular drawer plates and rotating plate supports facilitate maintenance, and combined with microbial flora and water quality sensor cloud monitoring, efficient synergistic removal of pollutants and system self-adaptive regulation and control are realized.

A multi-stage filtration system for filtering a feed is described. The system comprises a plurality of filtration units and one or more concentrate lines. A first filtration unit is arranged to be connected to a feed line for feeding the feed to the filtration unit. The concentrate line is connected to the first filtration unit for collecting a concentrate filtered out of the feed by the first filtration unit. A second filtration unit is connected to the concentrate line for feeding the concentrate to the second filtration unit. The system is configured for selectively switching at least one further filtration unit between a first operation mode, in which the filtration unit is arranged to filter the feed or concentrate from one of the lines, and a second operation mode in which the filtration unit is arranged to filter the concentrate from another of the lines.

The utility model relates to a low temperature anti -icing air source heat pump belongs to air source heat pump technical field, including air source heat pump body, the outside of air source heat pump body is provided with filter box, is established with the water channel in the inside of filter box. The utility model has the beneficial effect that the circulating water passes into the water channel in filter box through the water inlet pipe body, and then will contact with filter drum, to this can realize the filtration purpose to circulating water with the filter hole on filter drum, to be able to reduce the accumulation phenomenon of impurity in the condenser in water, subsequently, the filtered circulating water then by cold water inlet pipe enters the inside of air source heat pump body, and the impurity will be collected uniformly in filter drum, by opening the cover on the pull ring, can conveniently clean the filter residue for staff, convenient to replace and maintain filter drum simultaneously, to be able to reach the best use effect of air source heat pump body.

The utility model discloses a residue remover for treating a residual culture medium, and the residue remover for treating the residual culture medium comprises a machine shell, a rotary residue removal module is arranged in the machine shell, and the rotary residue removal module is used for carrying out rotary separation on liquid in the residual culture medium; in order to solve the problems that in the prior art, when ordinary filtering equipment conducts water washing filtering on a culture medium, the filtering efficiency is low, and filter holes are prone to being blocked by culture medium residues, the rotary residue removal module is designed, the residues can be filtered through centrifugal force through rotation of the rotary residue removal module, and the filtering efficiency is improved. Meanwhile, an automatic anti-blocking module is arranged, intermittent pressurizing backflushing can be automatically performed on the rotary deslagging module while rotary separation is performed through the arrangement of the automatic anti-blocking module, so that backflushing cleaning can be performed on filter holes, and blocking is avoided.

This utility model relates to the field of permeable pipe technology and discloses an anti-clogging permeable pipe, comprising a permeable pipe body: both ends of the permeable pipe body are equipped with mounting rings, a fine filter layer is sleeved on the outer surface of the permeable pipe body, both ends of the fine filter layer are fixed to the mounting rings, a coarse filter layer is sleeved on the outer surface of the mounting rings, both ends of the coarse filter layer are fixed to the mounting rings, and the fine filter layer is made of polypropylene filter mesh. This anti-clogging permeable pipe, by combining the polypropylene filter mesh and non-woven geotextile into a double-layer filtration structure, can fully utilize the synergistic advantages of the two materials, significantly improving the overall protective performance of the permeable pipe. This clearly defined layered filtration design avoids rapid clogging caused by excessively fine single materials and solves the problem of insufficient interception of fine particles by a single coarse filter material. In addition, the double-layer structure can buffer soil stress, adapt to foundation deformation, and extend the service life of the permeable pipe.

The utility model relates to water jet nozzle technical field, concretely is a kind of water jet nozzle of anti -blocking, including spray head, the spray head one end is equipped with spray hole, the spray head is remotely connected with secondary filter tube in spray hole one end thread, the secondary filter tube is hollow circular truncated cone type structure, detachably install secondary filter screen in the secondary filter tube inside, the secondary filter tube is remotely connected with primary filter tube in spray head one end thread, detachably install primary filter screen in the primary filter tube inside. Through the detachable connection of primary filter tube and secondary filter tube in spray head one end, and in primary filter tube inside clamping has primary filter screen, in secondary filter tube inside clamping has secondary filter screen, the aperture of secondary filter screen is slightly smaller than the aperture of spray hole, so that when water flow again flows through primary filter tube and secondary filter tube inside, can carry out graded filtration to impurity in water, avoid impurity to block hole, guarantee the water flow smoothness of spray hole, and then guarantee production efficiency.

This invention relates to a system that purifies and improves air quality by utilizing a microalgal bioreactor with integrated LED lighting to absorb pollutants, eliminate pathogens, and release oxygen-enriched air, while providing a sustainable and scalable solution to address environmental and public health challenges. The system includes a column (1) containing water and microalgae that produces oxygen by absorbing pollutant gases and pathogens from the air, a lighting system (2) consisting of a plurality of LEDs positioned in the column (1), providing the light source for the photosynthesis of microalgae, a pump (3) configured to suck air from the surrounding environment and introduce it into the column where the air bubbles come into direct contact with the microalgae, a photocatalytic filtration system (4) placed at the air inlet, configured to remove particulates, viruses, bacteria and other impurities before the air is treated in the column (1), a two-phase separator (5) configured to collect the microalgal biomass produced, separating part of the process water and reintroducing it into the internal cycle of the column (1), a control panel (8) that monitors microalgae concentration, water quality and pH, and photosynthetic process efficiency.

This invention discloses an anaerobic biodegradable masterbatch for cast film of sanitary materials, characterized in that its main components, by mass percentage, include: 0.5-3% cypermethrin, 3-6% copper sulfate, 0.1-0.5% metal inorganic salt coating agent, 1-4% ammonium molybdate, 5-10% PLA, 5-10% nano starch, 1-5% carbamide, 7-12% fumed silica, and the balance being a biodegradable resin carrier. The preparation method includes dispersion treatment, centering treatment, structuring treatment, carrier implantation, and plasticizing granulation. The invention also discloses an anaerobic biodegradable cast film for sanitary materials, comprising the following components by mass percentage: 83.4%-97.13% PE-based cast film substrate for sanitary materials, 1-5% PE wax, 1-7.5% degradation masterbatch, 0.15-0.3% dispersant, 0.02-0.2% antioxidant, 0.2-0.6% white oil, 0.5-3% PE grafted maleic anhydride, and 0.2-2% stabilizer. The manufacturing method includes: material preparation, calcium carbonate pretreatment, melting, filtration, and casting. This invention achieves complete anaerobic biodegradation of PE cast leak-proof and breathable films, and also has antibacterial properties during normal use, making it suitable as a breathable film and base film for disposable sanitary materials.

1. Name of the product in this design: Membrane Filter (1). 2. Purpose of this design: For quantitative filtration and retention of microorganisms in samples. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The present application relates to the technical field of control system, especially to an intelligent control system of ultrapure water machine, the present application collects water quality data, membrane surface data and filtration pressure through a monitoring module; a state analysis module divides the filtration characteristic state according to the fluctuation of the membrane surface data; a control unit executes a control strategy according to the filtration characteristic state, including, obtaining the filtration pressure, identifying whether there is an abnormal value in the filtration pressure, determining whether to send a warning signal; or, obtaining the water quality data, calculating the fluctuation of the water quality data in each cycle, judging whether the fluctuation is consistent; and executing an adjustment strategy according to the consistency determination result, including, adjusting the water inflow, or sending a warning signal; the present application can improve the pertinence and reliability of system control, effectively delay membrane pollution, reduce membrane loss, and ensure the continuous and stable operation of the ultrapure water machine.

This invention discloses a wastewater recycling and regeneration treatment device for dyeing and printing wastewater. The invention relates to the field of dyeing and printing wastewater technology. It includes a filter tank, a hydrolysis acidification tank, an aerobic tank, a decolorization tank, and a filter screen, scraping assembly, unblocking assembly, and layered cover inside the filter tank. The invention uses a first motor to rotate and adjust the filter screen via forward and reverse rotation. A moving push plate assembly rotates with a first belt, and a limiting assembly guides the scraping assembly. A scraper on a second belt scrapes away large particles of impurities accumulated on the filter screen surface and pushes them into an extension cavity for collection. Simultaneously, the unblocking assembly, driven by a threaded section of a first output shaft, drives unblocking columns to insert into the filter holes from bottom to top, preventing the accumulation of flexible impurities such as thread ends. Impurity cleaning and filter screen unblocking can be completed without manual intervention, ensuring smooth filtration and improving wastewater filtration efficiency.

The application provides a device for synergistically controlling disinfection by-products and conditional pathogenic bacteria of surface water by a low-temperature-resistant bank filtration-nanofiltration combined process and a working method thereof, and belongs to the technical field of water treatment and efficient water resource utilization. An aeration disc is arranged at the inner bottom of a raw water tank in the device, a bank filtration simulation column is filled with multiple layers of filter materials, the outlet end of the raw water tank is communicated with the water inlet of the bank filtration simulation column through a peristaltic pump, the water inlet of the bank filtration simulation column is located above the bank filtration simulation column, the water outlet at the lowermost part of the bank filtration simulation column is communicated with the water inlet of a bank filtration water collecting tank, the water outlet of the bank filtration water collecting tank is communicated with the water inlet of a nanofiltration membrane assembly, the clean water outlet of the nanofiltration membrane assembly is communicated with a nanofiltration water collecting tank, and the concentrated water outlet of the nanofiltration membrane assembly is communicated with a nanofiltration concentrated water tank. The device can solve the problem of unstable water quality of bank filtration caused by environmental factors, and can also alleviate the membrane pollution problem of nanofiltration technology through bank filtration pretreatment.

This utility model belongs to the field of wastewater treatment technology, specifically a secondary pressurized conveying device for wastewater treatment. It includes a primary sedimentation tank, an inlet pipe installed on the top left side of the primary sedimentation tank, an outlet pipe installed on the right side of the primary sedimentation tank, a first pressurized water pump installed on the right side of the outlet pipe, and a sedimentation tank installed on the back of the first pressurized water pump. A conveying assembly is installed inside the sedimentation tank. In this embodiment, the first pressurized water pump pressurizes and rapidly conveys the pre-filtered wastewater into the sedimentation tank, causing the wastewater to flow out from a collar at the bottom of the drain outlet. The filter plate inside the collar filters impurities from the wastewater, accumulating the impurities at the bottom of the inner wall of the sedimentation tank. The rotating spiral blades then convey the impurities within a conveying cylinder, allowing them to be discharged from the outlet. This achieves the effect of further sedimentation and filtration of impurities in the wastewater and conveying the precipitated impurities out of the sedimentation tank.