203 results about "Fluid filtration" patented technology

Providing a method for assessing the impact of fragile structures on large-scale fracturing in deep thermal reservoirs "Solution: Based on a precise depiction of the fragile structure of the formation and a study of its mechanical properties, the spatial distribution of the structure is determined, well locations and networks are arranged, fracturing zones are selected, and the fracturing suitability of the formation is comprehensively evaluated. Furthermore, a thermal-fluid-solid coupled damage model and a thermal-fluid-solid-chemical coupled damage model are established to study the activation conditions of the original fragile structure surface, and the fluid filtration characteristics of the structure and the maximum discharge volume that can be safely fractured are evaluated. Based on this, triaxial fracturing physical simulations and numerical simulations are carried out to clarify the influence laws of the fragile structure surface on the expansion and seepage flow of fracture cracks, and to clarify the influence mechanism of the fragile structure on large-scale fracturing of the formation under high temperature and pressure conditions."

A spray head assembly includes an inlet assembly configured to receive a fluid, a body fluidly coupled with the inlet assembly, a head portion fluidly removably coupled with the body, and a filter assembly. The head portion includes a plurality of nozzles configured to discharge fluid from the spray head assembly. The body and the head portion define an interior chamber. The filter assembly is configured to filter the fluid supplied from the inlet assembly to the head portion. The filter assembly is configured to be received within the interior chamber.

A fluid filtration system includes a fluid storage vessel such as a bioreactor, a filter housing including a filter element disposed therein, a pump coupled between the fluid storage vessel and the filter housing, and a flow diverter disposed between the pump and the filter housing. The pump is configured to move fluid from the fluid storage vessel through the filter element, and the flow diverter is configured for selectively directing fluid received from the pump to the first or second end of the filter housing. In a first mode of operation, the flow diverter directs flow through the filter housing in a first direction, while in a second mode of operation, the flow diverter directs flow through the filter housing in a second direction opposite the first direction.

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.

To provide a fluid filtration treatment method which prevents a failure of filtration and a remarkable decrease in filtration speed, even when filtration of fluid is performed at high temperature, and a porous film which is preferably used in the filtration treatment method.SOLUTION: In a filtration treatment method for filtering fluid at 25°C or higher by a porous film, a polyimide resin porous film which has a communication hole and an average pore size of 0.3 μm or more, or a polyamide-imide resin porous film is used as a porous film.SELECTED DRAWING: None

The application discloses an automatic screen changer for viscous fluid filter and a use method, and relates to the technical field of automatic screen changers. The application comprises a filter host and a plurality of screen rolls, and further comprises: a storage unit arranged on the filter host; a filter unit; a monitoring unit arranged on the filter host; a screen running unit comprising a screen running drive assembly, a condensation assembly and a separation assembly. The application has the advantages that: the filter mode of the cooperation of the plurality of filter screens can realize independent replacement and continuation of the filter screen, the continuation process does not affect the normal filtration of the viscous fluid, the cooperation of the pressure monitoring and the heating melting and cooling condensation can realize automatic screen running replacement when there are more impurities on the filter screen, the screen running process is more stable, large pressure fluctuation is not generated to affect the filtration of the viscous fluid, the separation and independent discharge of the filter screen and the waste plastic plate can be realized, and the recycling and reuse of the filter screen and the waste plastic plate can be realized.

The invention belongs to the technical field of pump valves, particularly relates to an electromagnetic pump with vibration detection and lubricating liquid filtering functions and a using method, and aims to solve the problems that a magnetic force driving part and a pump cavity part of a traditional electromagnetic pump cannot be effectively isolated, an effective vibration detection means is lacked, and cooling lubricating liquid filtering is poor. A pump cavity is formed by a pump body, a pump cover and the like, a pump shaft is driven to rotate through magnetic force, and a mechanical seal isolates magnetic force driving and the pump cavity part; a detection structure is arranged between the base and the mounting plate and can detect the vibration frequency and amplitude; the liquid injection box is matched with the filtering structure to filter the cooling lubricating liquid, and the filter screen can be replaced by the rotating ring; the mounting plate vibrates to drive the rotating disc to rotate, and the filter screen is blown and cleaned in all directions; according to the electromagnetic pump, the service life can be prolonged, the vibration can be detected in real time, the cooling lubricating liquid is effectively filtered, and the filter screen is convenient to clean.

1. Name of the product in this design: Three-way filter. 2. Purpose of this design: For fluid filtration. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present application relates to the field of drilling fluid filtration, especially to a kind of oil drilling fluid cleaning filtration equipment and its use method.The technical problem is that in the process of cleaning and filtering drilling mud, hydrogen sulfide and gas drilling fluid are wrapped in oil to form bubbles, which are difficult to separate, reduce the recycling rate of gas drilling fluid, increase the cost of oil exploitation, and at the same time, since hydrogen sulfide mixes with air in gas drilling fluid to form flammable and explosive gas, combustion and explosion are easy to occur in the container, which endangers the personal safety of surrounding workers.The technical scheme is: a kind of oil drilling fluid cleaning filtration equipment, including first mounting frame and vibrating screen, etc.;vibrating screen is arranged on the first mounting frame for separating cuttings in drilling mud.The present application realizes the crushing of bubbles on the rotating crushing block by the crushing block, avoids the wrapping of part of gas by oil, ensures the complete separation of gas from oil, and guarantees the liquid-gas separation effect.

The utility model discloses a self-cleaning fluid filtering device and belongs to the technical field of filtering devices. The self-cleaning type fluid filtering device comprises a filtering assembly, a driving assembly and a cleaning assembly, the driving assembly is arranged in the filtering assembly, the cleaning assembly is arranged on one side of the outer portion of the filtering assembly, the driving assembly is used for driving a filtering cylinder to rotate, the cleaning assembly is used for cleaning the filtering cylinder, and the cleaning assembly comprises a communicating base; the interior of the communicating seat is hollow, a plurality of mounting holes are formed in one side of the communicating seat, air nozzles are mounted in the mounting holes, the inner diameters of the air nozzles are sequentially decreased from right to left, and a compressed air inlet pipe communicates with the face, opposite to the mounting holes, of the communicating seat; the outer wall, provided with the long groove, of the filter box is fixedly connected with one side of the communicating base, and the ends, away from the communicating base, of the multiple air taps are all located in the long groove.

A serpentine co-flow fluid filtration system includes two or more filter housings including filter elements, a pump to transfer fluid from a vessel to the filter housings, and a permeate recirculation pump to transfer permeate back to each filter housing. The system includes a control system programmed to transfer the fluid from the vessel to the first filter housing, selectively remove permeate from the first filter housing, and selectively recirculate permeate to a second filter housing. The permeate in each filter housing is provided at a flow rate and pressure such that a difference between a pressure of the fluid and the permeate at an entrance to the filter housing is equal to a difference between a pressure of the fluid and the permeate at an exit of the filter housing. The system allows for additional filters to be connected in series.

The utility model discloses a filter assembly and filter system, wherein the filter assembly includes liquid module, liquid outlet module, main fluid filter and the main air filter of the upstream of main fluid filter, and is sealedly connected first waste container on liquid outlet module, sets up second waste container at the first downstream end of main air filter, and the inside of first waste container and second waste container is isolated with outside, has improved the internal sealing of filter assembly, first waste container and second waste container can respectively undertake wetting liquid and test gas, avoid wetting liquid and test gas direct emission to the environment, can guarantee the sealing of whole flow path inside and the sterility requirement of use environment, and wetting liquid and test gas flow into the corresponding container in waste module, also realize the end point indication of wetting and integrity tester.

The invention relates to a fluid management module (10) for a medical fluid processing device (200), in particular for an insufflator comprising smoke evacuation, having a module housing (12), which has a first fluid outlet (18a) connected to a first fluid line path (16a) and a second fluid outlet (18b) connected to a second fluid line path (16b), and a first fluid filter (20a) arranged in the first fluid line path (16a).

This utility model discloses an industrial processing fluid filtration system using the coagulation and diversion principle, comprising a three-compartment water tank, a low-voltage AC particle coagulation device, and a diversion filter cartridge. The three-compartment water tank is divided into a sludge tank, a filtration tank, and a supply tank. The low-voltage AC particle coagulation device includes a cylindrical electrode and an electrical control box. The diversion filter cartridge includes a cylindrical filter, and the interior of the cylindrical filter has a filter element parallel to the axis of the cylindrical filter. The three-compartment water tank, the low-voltage AC particle coagulation device, and the diversion filter cartridge are connected sequentially by water pipes. This industrial processing fluid filtration system using the coagulation and diversion principle is advanced in design, compact in structure, and easy to use. It aggregates fine particles in the processing fluid into larger particles, facilitating subsequent filtration, improving filtration efficiency and accuracy, and preventing excessive deposition and compaction of particles on the filter element surface, thus extending the service life of the filter element and avoiding frequent replacement.

A fluid filter module for a motor vehicle may include a housing shell and a filter. The housing shell may be cup-shaped. The filter may be disposed at least partially in the housing shell. The housing shell and the filter may be connected to one another and may collectively define a housing. The filter may divide an internal space of the housing into an unfiltered region and a filtered region. The housing may include an inlet and an outlet. The filter may include a filter frame and a filter media configured to at least one of remove and collect impurities from the fluid. The unfiltered region and the filtered region may be fluidically connected to one another via the filter media. The filter frame may be connected to the filter media and may include a frame wall that closes an open end of the housing shell.

The invention discloses a filtering assembly, a filtering system and an on-line integrity testing method.The filtering assembly comprises a liquid module, a liquid outlet module, a main fluid filter and a main air filter located on the upstream of the main fluid filter, and the liquid outlet module is connected with a first waste discharge container in a sealed mode; the second waste discharge container is arranged at the first downstream end of the main air filter, and the interiors of the first waste discharge container and the second waste discharge container are isolated from the outside, so that the internal sealing performance of the filter assembly is improved; the first waste discharge container and the second waste discharge container can receive wetting liquid and test gas respectively, the wetting liquid and the test gas are prevented from being directly discharged into the environment, the sealing performance in the whole flow path and the sterile requirement of the use environment can be guaranteed, meanwhile, the wetting liquid and the test gas flow into the corresponding containers in the waste discharge module, and the waste discharge efficiency is improved. Endpoint indication of the wettability and integrity tester is also achieved.

1. Name of the product in this design: Depth Filter. 2. Purpose of this design: for fluid filtration, separation, and purification. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A method for operating a pool cleaning robot, the method includes filtering, by the pool cleaning robot and while operating in a fluid filtering mode, fluid of the pool to vacuum fine particles; and cleaning the pool, by the pool cleaning robot while operating in a pool cleaning mode; wherein the cleaning comprises removing coarse particles and filtering the fluid of the pool.

The invention relates to a filter insert (10) for a fluid filter device, comprising: i) at least one particle filter stage (12) for separating solid impurities (14) from the fluid (16) to be filtered, comprising at least one filter medium, ii) at least one coalescer stage (18), which is different from the particle filter stage (12), for agglomerating liquid impurities (20) dispersed in the fluid (16) to be filtered, and iii) at least one separation stage (22) at a distance from the coalescer stage (18) for separating agglomerated liquid impurities (20) from the fluid (16) to be filtered, comprising at least one first more hydrophobic layer (24), wherein the first more hydrophobic layer (24) has a contact angle for water of more than 90.2°, wherein the at least one coalescer stage (18) comprises: ii.1) a more hydrophilic layer (26), wherein the more hydrophilic layer (26) has a contact angle for water of 90.0° or less, and ii.2) a second more hydrophobic layer (28) which contacts the more hydrophilic layer (26) and / or is connected to the more hydrophilic layer (26), wherein the second more hydrophobic layer (28) has a contact angle for water of more than 90.2°.

The present application relates to fluid filtration systems and methods of regulating fluid filtration systems. Embodiments of fluid filtration systems constructed in accordance with the principles of the present disclosure can be used to automatically regulate a single-use filter for efficient use thereof. For example, in embodiments, a fluid filtration system can include a filter regulation program that includes at least one of a filter priming module, a filter flushing module, and a filter pressurization module.

A sample injector is provided for a chromatography system that includes a mobile phase drive and a separation unit. The mobile phase drive is configured for driving a mobile phase through the separation unit, and the separation unit is configured for chromatographically separating compounds of a sample fluid in the mobile phase. The sample injector is configured for injecting the sample fluid into the mobile phase and comprises a needle and a handling unit configured for positioning the needle. Operating the sample injector includes providing a receptacle that includes a filtration unit configured for filtering a sample fluid comprised within the receptacle, moving the filtration unit within the receptacle in order to filter at least a portion of the sample fluid contained in the receptacle, operating the handling unit to position the needle into the receptacle, and aspirating a volume of the filtered sample fluid.

Disclosed herein are methods and devices for removing metal cations from fluid. The method includes filtering the fluid through a membrane, which includes a polymeric substrate and a plurality of 1T / 1T′—transition metal dichalcogenide (TMD) nanosheets disposed thereon. The membrane is capable of reducing the concentration of the metal cations in the fluid from about 2 parts per million (ppm) to below 10 parts per billion (ppb). Also disclosed herein is a device for removing metal cations from a fluid. The device includes the present membrane described above, in which the membrane is capable of reducing the concentration of the metal cations in the fluid from about 2 ppm to below 10 ppb.

Embodiments of the fluid filtration system constructed according to the principles of this disclosure can be used to automatically adjust a disposable filter for efficient use. For example, in an embodiment, the fluid filtration system may include a filter conditioning procedure comprising at least one of a filter filling module, a filter flushing module, and a filter pressurization module.

The utility model belongs to the technical field of clothes processing equipment, and relates to a filter screen assembly and clothes processing equipment, and the filter screen assembly comprises a filter screen, a filter element and a filter element, the filter screen is arranged on a flow channel to filter fluid flowing through the flow channel; the filter screen assembly comprises a net rack and a filter screen, a net rack opening is formed in the net rack, and the filter screen is arranged at the net rack opening; and the filling piece is used for filling an assembling gap between the net rack and the runner. The filling piece is arranged to fill the assembly gap and adsorb the water film on the filter screen, soft flocks are prevented from entering other parts of the washing machine from the assembly gap, the filling piece has certain water absorption capacity, and when the filter screen is in a ventilation state, the water film can be pushed to the peripheral side of the filter screen under the action of wind power, so that the water film is prevented from entering other parts of the washing machine. The water film is absorbed by the filling piece, and the filling piece plays a role in accelerating removal of the water film.

The resin mesh section allows the product to be kept in the resin case for an extended period. [Solution] The mesh portion is cylindrical with one end open and the sides closed. The case comprises an opening-holding portion that holds the entire outer circumference of one end of the mesh portion, and a frame portion that holds a part of the outer circumference of the side of the mesh portion. Multiple ribs are formed on the opening-holding portion of the case, spaced apart in the circumferential direction. The entire circumference of the opening-holding portion faces the entire circumference of one end of the mesh portion, and only a part of the circumferential direction of one end is embedded within the ribs, forming a strong coupling portion that is strongly connected to each other. In the parts other than the strong coupling portion, a weak coupling portion is formed where the mesh portion is not embedded. One end of the mesh portion and the opening-holding portion of the case are mainly connected by a pre-set strong coupling portion. Stress will concentrate between the mesh portion and the case at this strong coupling portion, but since the area where stress concentrates can be identified during the design phase, the coupling portion can be set in an area and position that will not peel off even if stress concentrates.

The utility model discloses an angle valve with a filtering function, which relates to the technical field of angle valves and comprises a valve pipe, the valve pipe is formed by splicing a vertical pipe and a transverse pipe, the vertical pipe and the transverse pipe are integrally connected to enable the inside to be communicated, the vertical pipe and the transverse pipe are vertically distributed, external threads are arranged at the positions where the outer sides of the vertical pipe and the transverse pipe are far away from each other, and the external threads are communicated with the valve pipe. Fluid is filtered through the filter cartridge structure composed of the fixed pipe and the filter paper, fine impurities in liquid can be filtered through the filter paper, the impurities are prevented from flowing through the filter paper, the liquid is fully and thoroughly filtered, the filter paper is folded to form a ring shape in a surrounding mode, the contact face of the liquid and the filter paper is enlarged, and the filter paper is not prone to falling off. The filtering efficiency of the liquid is improved.

This invention discloses a method for controlling a single-stage microporous metal oil-water separation membrane with both high permeability and high selectivity, comprising the following steps: 1. Obtaining a phenomenological formula and empirical parameters a, b, and c through gradient experiments; 2. Deriving the minimum value of f based on the empirical parameters a, b, and c, thus obtaining the corresponding R / D; 3. Using the obtained R / D, obtaining a single-stage microporous metal oil-water separation membrane with both high permeability and high selectivity. This invention employs a structure-function integrated design for the single-stage microporous metal oil-water separation membrane, breaking the seesaw effect between high selectivity and high permeability, overcoming the flux bottleneck of nano-ceramic / micron-sized metal porous separation membranes, and proposing a phenomenological formula that provides a continuous quantitative description of the actual wetting state. The microporous membrane exhibits high strength, good mechanical durability, and no risk of coating peeling, accelerating the upgrading and optimization of metal oil-water separation membranes and providing technical support for cost reduction and efficiency improvement in industrial mixed fluid filtration.

This invention relates to a filtration medium, more particularly, to a filtration medium comprising at least one layer and a resin binder composition comprising a lignin modified phenolic resin such as may be used for filtering fluids in automotive, industrial and domestic applications. It also relates to a filter element comprising the filter medium, a paper, methods of preparing the filter medium and element, and use of the filter medium or element.