1480results about "Loose filtering material filters" patented technology

An underdrain filtered water collection system includes: a pair of opposing drainpipes, each drainpipe having a plurality of collection drains; and a diffuser screen. The diffuser screen can slide within an outlet in each of the collection drains. A diffuser screen for a pressure vessel containing filter media includes: a screen pipe; a solid plate coupled to a base of the screen pipe; and a winged diffuser arranged around an outer circumference of the solid plate. The winged diffuser includes a plurality of foldable wings. The screen pipe includes a mesh screen having preconfigured interstices therethrough. Feed water flows through the screen pipe where it is directed by an inner surface of the solid plate to flow in a diffused flow through the interstices of the mesh screen and the wings.

A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a filtrate line, a feed line, a recirculation line, a gas line, and at least one pump. A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, operating the system in an aeration mode, operating the system in a pre-filtration mode after operating the system in the cleaning mode, operating the system in a drain mode, and operating the system in the filtration mode following the drain mode. A controller and non-transitory computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by the controller, instruct the controller to perform a method of operating a water filtration system are disclosed.

The utility model discloses a water treatment device adopting an ozone micro-nano bubble coupling electrochemical oxidation process. The water treatment device comprises an ozone generating device, a micro-nano bubble generating device, a BDD (Boron Drain Discharge) electrode unit and an air flotation filter tank device, the device has the following beneficial effects: (1) the Venturi jet device is adopted to release ozone micro-nano bubbles, so that wastewater and the micro-nano bubbles are fully stirred and mixed and are fully contacted with the BDD electrode for oxidative degradation, and the impact force formed by jet flow can wash the BDD electrode plate, so that the BDD electrode plate is prevented from being easily blocked; (2) an ozone micro-nano bubble technology and a BDD electrode technology are coupled to generate a synergistic effect, a large number of hydroxyl radicals are generated, the oxidation capacity is enhanced, the organic matter removal capacity is improved, and the sterilization, decoloration and deodorization capacities of the device on raw water are enhanced. And (3) the BDD is combined with an air flotation process, so that the occupied area is reduced, and the layout is optimized. And (4) fine particles in the water body are further removed by the air floatation superposition filter tank, and the concentration of suspended particulate matters is reduced.

The invention relates to the technical field of swimming pool filtration, in particular to a composite treatment method of a filter aid for swimming pool filtration, which comprises the following steps: S1, adding the filter aid: adding a powdered activated carbon filter aid into a filter through a feeding pump, and forming an activated carbon filter aid filter cake in the filter; s2, filtering: intercepting or adsorbing impurities when the water in the to-be-treated pond is filtered through an activated carbon filter aid filter cake and a filter, and continuously or intermittently supplementing a powdered activated carbon filter aid in order to maintain the filtering efficiency; s3, backwashing: when the pressure difference of the filter reaches a set value, backwashing is started, and intercepted and adsorbed pollutants and the activated carbon filter aid filter cake slurry are discharged into a drainage system together. The device has the effects of efficiently removing chloramine and other disinfection by-products, peculiar smell, pigment and other pollutants, guaranteeing the water quality safety of the swimming pool and maintaining normal operation of the swimming pool.

The invention discloses a water purification method and system for urban and rural integrated water supply, and relates to the technical field of water treatment. The water purification method for urban and rural integrated water supply solves the problems that an existing system is poor in process adaptability, inaccurate in control and low in energy efficiency. Water quality and pipe network data are collected in real time through a sensor; an adjustable folded plate flocculation device is adopted, and the flocculation effect is optimized in combination with turbidity dynamic adjustment; constructing a multi-parameter dosing model, and dynamically dosing according to flow, turbidity and the like; the LSTM neural network is used for predicting the state of a filter layer, and air-water pulse backwashing is intelligently controlled; and adding a composite flocculant to enhance pollutant removal, and realizing water quality prediction and system collaborative optimization by virtue of a random forest algorithm and a digital twin platform. The flocculation efficiency is improved, dosing is accurately controlled, energy consumption and water resource waste are reduced, and an efficient and stable scheme is provided for urban and rural water supply.

A system for reconditioning contaminated water includes a plurality of filter tanks, each filter tank configured to hold a media mixture comprising media particles to which contaminants adhere when the contaminated water is pumped through the filter tanks and a feed water pump to pump the contaminated water through the plurality of filter tanks. The plurality of filter tanks are configured to form a multistage filter system for filtering the contaminated water at different contaminant particle sizes, and the feed water pump pumps the contaminated water through the multistage filter system in a continuous manner during a normal filtering mode.

The invention relates to a water treatment multi-medium filter, which relates to the technical field of sewage treatment equipment, and comprises a bracket, a tank body, a filtering assembly, a flushing assembly and an adjusting assembly, the top and the bottom of the tank body are respectively communicated with a water inlet pipe and a water outlet pipe; three groups of filtering assemblies are arranged, and each filtering assembly comprises a first partition plate, a second partition plate and a filtering medium; the first partition plate and the second partition plate are arranged in the tank body, and filter holes are formed in the first partition plate and the second partition plate; the filtering media are located between the first partition plate and the second partition plate, and the filtering precision of the three filtering media is gradually increased in the direction close to the bottom of the tank body; the flushing assembly is arranged on the tank body and is used for cleaning the filtering medium; the adjusting assembly is arranged on the tank body and used for adjusting the distance between the first partition plate and the second partition plate. The cleaning efficiency of the filtering medium can be improved.

A fluid strainer that is meant to remove debris from a fluid stream and including a housing having in inlet port defined at an inlet wall of the housing and an outlet port that is opposite to the inlet port and that is defined by an outlet wall of the housing; the housing defining an interior chamber through which the fluid flows; a strainer basket that is disposed within the housing chamber; the strainer basket having an open inlet end into which the fluid flows from the housing inlet, opposed sidewalls including a pair of tapered outlet walls that merge and direct the fluid flow to the housing outlet port and an outlet end wall; and a bar that is disposed within the housing that is located adjacent to and across the outlet port for spacing the outlet end wall of the strainer basket from the housing outlet wall.

A fluid strainer that is meant to remove debris from the flow of fluid through a strainer and that includes a housing having inlet and outlet ports. The housing defines an interior chamber through which the fluid flows. The fluid strainer including a single strainer basked disposed within the housing chamber. The strainer basket has open input end into which the fluid flows from the housing inlet and opposed side walls that extend in the direction of the fluid. The strainer basked further includes an open output end that is comprised of a pair of tapered output wall that direct the fluid flow to the housing outlet port. The strainer housing also includes a side inlet pipe for receiving filtration media.

The utility model discloses a novel precious metal extracting and recycling device which comprises a sewage tank, a filter tank, a silo and a slider, electroplating liquid enters the filter tank and passes through a filter element, and when impurities in the electroplating liquid block the filter element, a motor is started to drive a positive and negative thread rod to rotate, so that the filter element is blocked; the lead screw structure is used for pushing the two extrusion blocks to get close to each other and extrude the filter element, waste liquid in the filter element is extruded out, the waste liquid drives impurities to be extruded out, after the two extrusion blocks reset, electroplating liquid continues to pass through the filter element and is filtered, residual precious metal in the electroplating liquid is screened out on the surface of the filter element, and the situation that follow-up filtering work is affected due to blockage of the filter element can be prevented.

The utility model provides a hot-rolled strip steel cooling water circulation system, which relates to the technical field of steel hot rolling, and comprises a water collecting tank, a filter tank, a heat exchange tank and a water storage tank, the water collecting tank is arranged below a cooling device, the lower end of the water collecting tank is communicated with the lower end of the filter tank, and the heat exchange tank is communicated with the water storage tank. The upper end of the filter tank is communicated with the upper end of the heat exchange tank, and the lower end of the heat exchange tank is communicated with the lower end of the water storage tank. The water collecting tank is used for collecting used cooling water in the cooling device and preliminarily settling the cooling water, the filtering tank is used for filtering the preliminarily settled cooling water, and the heat exchange tank is used for cooling the filtered cooling water; and the water storage tank is used for storing the cooled cooling water. The hot-rolled strip steel cooling water circulation system has the effect of reducing the energy consumption and investment of the existing hot-rolled strip steel cooling water circulation system.

A water treatment system includes a main container defining an interior and having an upper edge, a reservoir removably insertable into the interior and located upon the upper edge, the reservoir defining a cartridge seat including a plurality of holes in communication with a helical thread, and an annular landing vertically depending from the thread, a filter cartridge including a cap associated with a sump body and having a filter media in the sump body, the cap having a plurality of radially outwardly projecting pins constructed and arranged for engaging the holes and the helical thread, an annular seal disposed externally on the sump body and spaced below the cap. The filter cartridge and the cartridge seat are configured so that upon the cap pins engaging the helical thread, upon reaching a fully engaged position of the cap in the thread, the seal is compressed against the annular landing.

The utility model discloses a central water treatment filtering device for desalted water production. A raw water inlet pipe of a reservoir is communicated with a water inlet pipeline of each filter; the ultrafiltration processors are connected in series; a water outlet of each filter is communicated with a water inlet pipeline of the first-stage ultrafiltration treater; a water outlet of the N-stage ultrafiltration treater is communicated with a water inlet pipeline of the filtered water storage tank; a water outlet of the filtered water storage tank is communicated with a water inlet pipeline of the primary reverse osmosis processor; all stages of reverse osmosis processors are connected in series, and water outlets of the N stages of reverse osmosis processors are communicated with a demineralized water storage tank pipeline. According to the device, the content of various pollutants in water entering the ultrafilter can be reduced, a filter element for ultrafiltration and reverse osmosis can be protected, the content of various impurity ions in the water after ultrafiltration is reduced, the conductivity of produced water is about 10 us / cm, the hardness is 0.01 mol / L or below, the produced water is used for supplementing water for a steelmaking and steel rolling heating furnace, and generated steam can be used for power generation of a steam turbine. Water consumption is reduced, resources are saved, and the accumulation speed of scale in the boiler is effectively reduced.

The invention relates to the related technical field of skincare product raw material extraction, and discloses a rapid extraction treatment device for skincare product raw materials, the rapid extraction treatment device is characterized in that a support frame is fixedly provided with a telescopic driving assembly, the output end of the telescopic driving assembly is connected with a bidirectional driving part, and the bidirectional driving part is connected with a squeezing device; bidirectional squeezing is achieved through the bidirectional driving component and the squeezing device, and the squeezing efficiency is greatly improved; a fixed middle plate, a cleaning middle plate and an adsorption sponge are arranged in the squeezing device, and the fixed middle plate provides a stable platform for bidirectional squeezing; the cleaning middle plate achieves the purposes of cleaning and liquid discharging by means of kinetic energy stored by bidirectional movement of the bidirectional driving component. The squeezing device is upgraded into a two-way squeezing structure through the two-way driving component, and synchronous opposite movement of the upper pressing plate and the lower pressing plate is achieved in cooperation with the telescopic driving assembly and the gear transmission mechanism; in the squeezing process, the raw materials are subjected to multi-dimensional squeezing force, cell structures are more fully broken, and the release rate of effective components is increased.

The utility model provides a filter structure of a sand filter for sewage treatment, which comprises the sand filter, a plurality of rows of sand filter devices are arranged in the sand filter, an overflow weir is arranged between two adjacent sand filter devices in each row, and autotrophic denitrification filler is filled in the sand filter devices; a water inlet pipe is arranged in the water inlet tank, and the end part of the water inlet pipe is communicated with the first sand filtering device in each column. The sewage treatment efficiency and quality are improved, the operation cost is also reduced, and a more economical, environment-friendly and sustainable solution is provided for urban sewage treatment plants.

The utility model discloses a sewage treatment filter device which comprises a detachable filter cartridge and a filter filler, the filter filler is arranged in the detachable filter cartridge, both ends of the detachable filter cartridge are provided with end covers, the surfaces of the detachable filter cartridge and the end covers are provided with a plurality of filter holes, and the filter holes are communicated with the detachable filter cartridge. A material taking hole is formed in the detachable filter cartridge, and a movable detachable door is arranged corresponding to the material taking hole. The filter structure is simple in structure and convenient to disassemble and clean, and the filtering effect is improved.

A water and gas distribution system (2), a filter bed (3) and a water collection tank (4) are sequentially arranged on a tank body (1) from bottom to top; the water and gas distribution system (2) comprises a water and gas distribution pipe (222) arranged at the bottom of the filter bed (3); the water and gas distribution pipe (222) is respectively communicated with a filter water inlet pipe (211), a backwashing gas inlet pipe (213), a backwashing water inlet pipe and a bottom blow-off pipe (215); the water collecting tank (4) is respectively communicated with a filtering water outlet pipe (411) and a backwashing drain pipe (413); a plurality of rotational flow holes (222a) are formed in the water and gas distribution pipe (222), and spiral water channels are formed in the inner walls of the rotational flow holes (222a). The invention further discloses a backwashing method of the upward flow filter tank. The backwashing method comprises the following steps: first-time bottom pollution discharge, rotational flow washing, second-time bottom pollution discharge, single gas washing and single water washing. According to the invention, the cleaning effect can be improved, and backwashing water consumption and backwashing time can be saved.

The invention relates to the technical field of separation and filtration control, and discloses a backwashing energy-saving control method and system for a filter tank of a water purification plant, and the method comprises the steps: analyzing the pore change condition and resistance distribution condition of a filter layer according to filter tank parameter data collected by a preset sensor in real time, and calculating the pollution degree; calculating a backwashing trigger water volume threshold value based on preset design parameters, calculating a load threshold value based on the accumulated treated water volume, and if the pollution degree is greater than the backwashing trigger water volume threshold value or the treated water volume is greater than the load threshold value, triggering backwashing and generating a backwashing instruction; analyzing the physical characteristics of the filter material, calculating the critical value of the expansion rate of the filter material, calculating the backwashing water quantity and the backwashing gas quantity in combination with the pollution degree, and outputting a backwashing parameter set; controlling corresponding equipment to perform backwashing operation, and if the water quality index is greater than or equal to a preset water quality standard, stopping the backwashing operation; according to the invention, the resource utilization rate can be improved while the flushing safety is ensured, the energy consumption is saved to the greatest extent, the filter material is protected, and the energy is saved.

The invention discloses a hydrophilic oleophobic filter material as well as a preparation method and application thereof. The hydrophilic and oleophobic filter material is surface aminated hard particles grafted with polybasic acid, and the hydrophilicity of the hard particles is remarkably improved through amino-carboxylation; on the basis of a silanization reaction, a stable Si-O-Si covalent bond network is formed, an amino functional group is anchored, and further through an amidation reaction, a carboxylic acid group of polycarboxylic acid is directionally introduced into the surface to form a dense strong-polarity modification layer, so that the hydrophilic oleophobic filter material has high stability, long-acting property and excellent underwater oil stain resistance; the hydrophilic and oleophobic filter material and the hydrophobic and oleophylic filter material can form a non-uniform wettability filter material, the hydrophilic particles construct a low-resistance water phase channel to reduce head loss, the hydrophobic particles are utilized to realize interface demulsification and oil drop coalescence, non-demulsified micro-drops are screened and adsorbed layer by layer through a multi-stage filter bed, deep oil-water separation is achieved, and oil-water separation is realized. And the method has strong adaptability to complex oily wastewater containing surfactants and high acid, alkali and salt properties.

The invention discloses a filter element service life prediction method, a water purifier and a device, and relates to the technical field of water purification equipment, the filter element service life prediction method is applied to the water purifier, the water purifier comprises a filter element and a driving module, the driving module is used for providing power for liquid conveyed to the filter element, and the driving module comprises a motor; the filter element service life prediction method comprises the following steps that the current change rate of a motor is obtained, and the current filter element blockage degree is determined according to the current change rate; and predicting the residual life of the current filter element according to the corresponding relationship between the filter element life and the filter element blockage degree. Under the condition that no extra detection device is arranged, the actual use state of the filter element of the water purifier can be reliably reflected in real time, and the residual life of the filter element can be accurately predicted.

Aspects of the invention relate to a wastewater treatment method (100) and a wastewater treatment plant (1) for treating wastewater. The wastewater treatment method (100) includes receiving wastewater to be treated. The wastewater is supplied to a bioreactor (13) for biofiltration of the wastewater. The wastewater is discharged from the bioreactor (13) to a mechanical filtration device (15) arranged downstream of the bioreactor (13). The mechanical filtration device (15) comprises a static filtration pack (75) for filtering solid waste suspended in the wastewater. The static filter pack (75) contains a plurality of mechanical filter elements (71), each having one or more filter units (73). And discharging the treated wastewater.

A filtering device 1 comprising a funnel 3, a filter cartridge 7 and a cup 5, comprises first connecting members 76 for directly connecting the filter cartridge 7 to a lower end of the funnel 3. According to the invention, the filter cartridge 7 is accommodated in the cup 5, and the filtering device 1 further comprises second connecting members 73, for directly connecting the cup 5 to the filter cartridge 7 to form a filter unit 8 that is held in an operating position at the bottom 33 of funnel 3 only by the first connecting members 76. The tolerance chain is minimized, since only respective two components need to be matched. Coupling can be carried out in a single pass, by inserting the filter cartridge into the cup and then coupling the filter cartridge with the bottom of funnel 3, e.g. by performing a single rotary movement.

Disclosed in the present invention is a new-type backwash filter water purifier, comprising a container, a filter element and a valve body, wherein the container comprises a main body bottle and a main body cover, the main body cover having a water intake channel, a water output channel and a waste discharge channel, the water output channel being in communication with the inner cavity of the main body bottle; the filter element is vertically arranged in the container, and a raw water channel is provided in the filter element; the valve body is rotatably arranged on the main body cover, a first communication port and a second communication port are formed outside the valve body, and the first communication port is in communication with the second communication port via an internal water cavity of the valve body; and when the valve body is turned to a filtering state, the water intake channel is in communication with the first communication port, and the second communication port is in communication with the raw water channel, and when the valve body is turned to a backwashing state, the raw water channel is in communication with the second communication port, and the first communication port is in communication with the waste discharge channel. This configuration effectively improves the filtering effect and flushing effect and prolongs the service life of the filter element, and the backwash filter water purifier has a simple structure and a low failure rate, is convenient for maintenance and easy to manufacture, and has a low cost.

The utility model relates to the technical field of river water conservancy projects, and discloses a river water conservancy project sediment treatment device which comprises an H-shaped frame, the top of the H-shaped frame is fixedly connected with a funnel, one side of the inner wall of the H-shaped frame is fixedly connected with a C-shaped frame, the bottom of the C-shaped frame is fixedly connected with a servo motor, and the bottom of the C-shaped frame is fixedly connected with the servo motor. And the output end of the servo motor is in spline connection with a transmission rod. According to the sediment treatment device for the river channel water conservancy project, through the arrangement of a funnel, a C-shaped frame, a servo motor, a transmission rod, a rotating block A, a rotating belt, a rotating block B, a circular plate, a rotating rod, a landslide frame, a sliding block, a rectangular frame A, a circular hole plate B and a sliding plate B, a worker turns on a power switch of the servo motor, the transmission rod drives the rotating block A to rotate, and finally treated water flows out of a circular hole of the circular hole plate B; the effect that the device automatically screens and treats silt is achieved, so that energy is saved, environment is protected, the silt screening efficiency is improved, the water quality of a river channel is improved, and the stability of a water ecosystem is guaranteed.

The utility model relates to filtering equipment capable of automatically replacing and filling activated carbon and an extraction oil removal system, and relates to the field of filtering equipment. The filtering equipment comprises a feeding mechanism, a spiral conveying pipe, a filtering unit, a conveying belt and a waste barrel, the filtering unit comprises a filtering barrel, a top cover and a bottom cover, the top cover and the bottom cover are detachably connected with the filtering barrel, an activated carbon inlet and a liquid inlet are formed in the top cover, and a liquid outlet is formed in the bottom cover; the feeding mechanism is located above the filtering unit, the feeding mechanism is communicated with the spiral conveying pipe, and a discharging opening of the spiral conveying pipe is communicated with the activated carbon inlet; the conveying belt is arranged below the filtering unit, and the tail end of the conveying belt communicates with the waste barrel. The filtering equipment can be quickly disassembled and is convenient to maintain, filling and discharging of activated carbon do not need manual intervention, automatic replacement can be achieved, operators are effectively prevented from entering the tank body for operation, safety and efficiency are improved, labor intensity is reduced, and the filtering equipment is more efficient and more environmentally friendly.

The invention discloses a wound flushing device for trauma surgery. The wound flushing device comprises a flushing head, a control main body and a liquid storage device, the head end of the control body is sleeved with the flushing head, and the control body is connected to the liquid storage device through the liquid guide pipe. The flushing head is provided with U-shaped pipes arranged in parallel, and flushing openings are formed in the outer end faces of the U-shaped pipes. A liquid feeding channel, a backflow channel, a liquid feeding device and a backflow device are arranged in the control body, wherein the liquid feeding device and the backflow device drive flushing liquid to flow. The liquid feeding channel and the backflow channel are communicated with an upper port and a lower port of the U-shaped pipe respectively, and the liquid feeding device and the backflow device are communicated with the liquid feeding channel and the backflow channel respectively. A traditional direct flushing mode is broken through, the wound surface of a patient is cleaned in the mode that impurities are taken away through fluid, secondary damage to the patient caused by direct flushing is avoided, waste liquid recycling is completed without intervention of suction of other negative pressure devices, the whole device is simple in structure, the flushing effect is better compared with a traditional flushing device, and the flushing efficiency is improved. And the method is more controllable.

The utility model discloses a deep bed filtering device in the technical field of filtering devices, which comprises a deep filtering cylinder body, a water outlet cylinder is welded at the bottom end of the deep filtering cylinder body, and a porous bottom supporting plate is welded at the bottom end in the deep filtering cylinder body. Cleaning fluid is guided into the pressurizing tank through the delivery pipes on one side of the deep filter cylinder and the pump body, fluid flows in one direction through the one-way valve connected to the pump body, fluid back flushing is avoided, pressurizing is conducted through the pressurizing tank with the overall height increased and the diameter decreased progressively, and the pressurizing tank is guided into the deep filter cylinder through the cleaning pipe at the bottom. The guided-in high-pressure liquid is used for backwashing the multiple layers of filter materials through the bottom end, impurities generated by reverse impact of the multiple layers of filter materials are concentrated in a space formed among the multiple groups of middle supporting plates, after backwashing is completed, sealing valves on the multiple guide-out pipes are opened, washing fluid drives cleaning impurities to be guided out, meanwhile, one side of the high-pressure fluid is guided out through the side pipe, and the other side of the high-pressure fluid is guided out; sundries among the multiple groups of middle supporting plates are flushed from the side surface of a water body, so that back flushing is more thorough.

The invention relates to the technical field of filters, and provides a modified fiber oil removal filter, a shell is provided with a water inlet, a water outlet and a drain outlet, a support pore plate is arranged in the shell and is used for bearing a fiber filter material, a backwashing ring pipe is rotatably arranged above the support pore plate, a communication hole and a jet hole are formed in the backwashing ring pipe, and the jet hole is communicated with the support pore plate. The communicating holes are used for being communicated with a backwashing air supply pipe or a backwashing water supply pipe, the spraying holes are used for spraying water flow or air flow to the filter material, the backwashing air supply pipe and the backwashing water supply pipe are arranged in a manner of penetrating through the side wall of the shell, and when the backwashing ring pipe rotates, the communicating holes can be alternately communicated with the backwashing air supply pipe and the backwashing water supply pipe; therefore, the backwashing ring pipe rotates and sprays air flow or water flow from the spraying holes at the same time, and the backwashing coverage range is enlarged. By means of the technical scheme, the technical problems that in the prior art, the air-water backwashing coverage range is limited, and the backwashing effect is uneven are solved.

The present invention belongs to the field of water treatment technology, and specifically relates to a graphene water purification filter material, a preparation method thereof, and an application thereof. The preparation method of the graphene water purification filter material comprises: loading graphene oxide on a substrate material, and obtaining a graphene water purification filter material after drying, wherein the graphene oxide is used in the form of a graphene oxide dispersion; the graphene oxide is selected from at least one of chemically modified graphene oxide and / or reduced graphene oxide. The key to the present invention is to use graphene oxide and / or reduced graphene oxide chemically modified by β-cyclodextrin and / or polyethyleneimine, and the graphene water purification filter material thus prepared has high selectivity (salt ion retention rate) and deodorizing and antibacterial properties while also having high water flux, thereby achieving a good water purification effect.

The present disclosure provides a water filter device generated using animal bone. In some embodiments, the water filter device comprises a tube containing a series of layers of animal bone granules.