3062results about "Gravity filters" patented technology

The invention relates to the technical field of medicine processing, and discloses mixed liquid filtering equipment for ciprofloxacin lactate medicine processing, which comprises a filtering tank, one side of the filtering tank is fixedly connected with a shell, the interior of the filtering tank is fixedly connected with a flow guide plate, the bottom of the filtering tank is fixedly connected with a funnel pipe, and the funnel pipe is fixedly connected with the shell. A filter bag is arranged at the bottom of the guide plate, long rods are fixedly connected to the periphery of the bottom of the filter bag, a spray-washing pipeline and a rubber plate are further included, and a cleaning assembly is arranged at the top of the filter bag. According to the mixed liquid filtering equipment for ciprofloxacin lactate medicine processing, replacement and alternate use of a filter bag can be achieved, impurities in the used filter bag are poured out, and the filter bag is washed from inside to outside after being turned over, so that the influence of downtime of manual maintenance of the equipment on the processing efficiency of the equipment is reduced, and the processing efficiency of the equipment is improved. The influence on the filtering quality of the medicine mixed liquid caused by impurities accumulated in the filter bag is avoided.

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.

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 an energy-saving flue gas treatment device for an electric melting furnace, and relates to the technical field of flue gas treatment of electric melting furnaces. The device comprises a base and further comprises a purification box arranged on one side of the top of the base, a heat exchange box is arranged on the other side of the top of the base, a smoke inlet flue is connected to one side of the top of the heat exchange box in an inserted mode, and a liquid level meter is arranged at the front end of the heat exchange box. The spraying dust-settling assembly is arranged on the other side of the purifying box, water in the purifying box is pumped out through the pump machine during use, impurities in the filter cover are used for filtering, the situation that the impurities are sucked into the pump machine and attached to an impeller for a long time, and normal operation of the pump machine is affected is avoided, the impurities are conveyed into the annular spraying pipe through the conveying pipe, and the water purifying efficiency is improved. And then the flue gas which is fused with the water body and absorbs impurities is further absorbed and subjected to dust falling treatment under spraying of the spraying opening, so that the flue gas treatment effect of the device by utilizing a liquid absorption method is further improved, and the practicability is high.

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.

The invention discloses a method for improving the operation efficiency of a filter tank, and belongs to the technical field of water treatment.The method includes the steps that the situation change rule of a filter material of the filter tank in the backwashing process is observed, the optimal backwashing state is found, and the internal mechanism relation of the porosity of the filter material, the expansion rate of the filter material, backwashing parameters and the like is established; the overall operation effect of the filter tank is judged, the health degree of the filter tank is evaluated, the manual inspection intensity is reduced, management personnel are assisted in decision analysis, early warning is facilitated, and the operation efficiency of the filter tank is improved while the water quality safety of effluent of the filter tank is guaranteed. The whole operation is more reasonable and intelligent, water resources are saved, the burden of a water treatment process is reduced, management is carried out in units, monitoring of daily operation is met, the opportunity of supplementing or updating of the filter material is guided through evaluation of the health degree of the filter material, and scientific early warning and refined operation and maintenance are met.

A device and system for purifying a fluid is provided. The system includes a tank having an interior space and a media container disposed within the interior space. A valve is provided that cooperates with an element within the interior, the valve being movable between an open and a closed position. The valve being biased to the open position when the element is not positioned within the interior space, wherein the interior space is fluidly coupled to the atmosphere in the open position. The valve further being configured to move to a closed position when the element is positioned within the interior space.

The invention discloses a drilling mud waste liquid innocent treatment device which comprises a plurality of vertical filter pressing bags installed in a mud-water separation box side by side, the upper end and the lower end of each vertical filter pressing bag extend out of the mud-water separation box, and a vertical multi-section type extrusion mechanism is installed in the mud-water separation box. Each vertical filter pressing bag is arranged in a vertical multi-section type extrusion mechanism, the vertical multi-section type extrusion mechanism is in transmission connection with a driving mechanism mounted outside the mud-water separation box, and a vertical driving part is mounted at the upper end of the vertical multi-section type extrusion mechanism. The device can effectively shorten the flow of solid phase and liquid phase separation in slurry, does not need to perform step-by-step separation according to the particle size of impurities, improves the purification efficiency, reduces the input cost of equipment, improves the portability, and is beneficial to subsequent operations such as transfer, transportation, disassembly, assembly and maintenance. The method is suitable for the technical field of drilling mud waste liquid treatment.

The invention relates to the technical field of preparation and purification of phenolic resin, and discloses a phenolic resin impurity separation device for production, which comprises a filter chamber, an inner cylinder is fixedly mounted in the filter chamber, a steam clamping cavity is arranged between the inner wall of the filter chamber and the outer wall of the inner cylinder, and a mixing chamber is fixedly mounted on the upper side in the inner cylinder. A centrifugal cylinder is movably installed on the lower side of the interior of the inner cylinder, a filter screen is fixedly installed at the bottom end of the mixing chamber, a three-phase asynchronous motor is fixedly installed in the middle of the top end of the filter chamber, and the driving end of the three-phase asynchronous motor extends into the filter chamber and is fixedly provided with a movable shaft; and a spiral paddle is fixedly mounted on the outer diameter section, positioned in the mixing chamber, of the movable shaft. According to the invention, the period is shortened through temperature control, energy conservation and enhanced mixing, the purity is improved through multi-stage separation, the labor is reduced through automatic operation, the structure is exquisite, the adaptability is wide, and the phenolic resin impurity separation efficiency and quality are comprehensively improved.

A filtering apparatus is configured to receive pressurized fluid from a pump. The filtering apparatus has a main inlet, a main outlet, and a filtering branch comprising a first filter. An agitator of a tank from which the pump draws is configured to receive fluid flow from the filtering branch via a proportional valve and an inlet connection. A method of operating a filtering system includes influencing fluid flow from a tank to one or more nozzles via a filtering apparatus; and diverting a portion of the fluid flow through plural filters of a different mesh size back to an agitating mechanism through a lower portion of the tank.

The production device comprises a base, a reaction barrel is fixedly arranged on the base, a mounting frame is fixedly arranged on the outer side of the reaction barrel, a motor is fixedly connected to the top end of the mounting frame, and a stirring device for stirring basic zirconium sulfate and tartaric acid is arranged in the reaction barrel. The feeding parts are sequentially added into the reaction barrel, and a discharging part for discharging reacted liquid is arranged in the reaction barrel; through the staggered and periodic coincidence design of discharging grooves of the inner barrel and the outer barrel in the feeding part, the rotating rod is matched to drive the outer barrel to spirally move downwards, accurate and quantitative adding of the basic zirconium sulfate solution is achieved, meanwhile, the adding time and flow of the tartaric acid solution are automatically controlled through magnetic ring adsorption of the upper barrel and the outer barrel and stored energy release of the first spring, and the feeding efficiency is improved. Manual intervention is reduced, efficiency loss caused by step-by-step feeding is avoided, and the preparation efficiency of the water repellent agent is remarkably improved.

The invention discloses a cleaning system. The cleaning system comprises cleaning equipment and a base station; the cleaning equipment comprises an equipment body, a first filtering assembly, a first connector and a second connector. The first connector is used for enabling water flowing through the first filtering assembly to flow out of the first containing space in the cleaning process; the second interface is used for allowing water flow to enter the first filtering assembly in the cleaning process; water flow in a first flow direction generated in the cleaning process sequentially flows through the first opening, the first filtering assembly and the first connector; the base station comprises a base station body and a third interface, and the third interface is suitable for being butted with the first opening or the second interface; water flow in the second flow direction generated in the self-cleaning process sequentially flows through the first connector, the first filtering assembly, the first opening and the third connector; the cleaning system further comprises a power assembly, and in the self-cleaning process, the first connector communicates with a water source so as to provide water flow in the second flow direction. According to the cleaning system, the first filtering assembly does not need to be manually washed and cleaned, and the use convenience of a user is improved.

To provide a compaction state control method of a filter material layer which changes an index of the end of discharge of compaction water according to the state of a filter material, and thereby forming a filter material layer in a state optimal for filtration treatment.SOLUTION: A filtration device for performing compaction treatment of discharging compaction water stored in a filtration tank before filtration treatment from below, and compacting a filter material layer by a dynamic pressure at the time of discharge includes: previously setting a foundation discharge value as a discrimination index of a compaction state; gradually setting a coefficient corresponding to a duration time of an immediately-preceding filtration treatment step; calculating a coefficient from an immediately-preceding filtration duration time; calculating a reference discharge value by multiplexing the foundation discharge value by the coefficient; discriminating that the compaction state is satisfactory, and finishing the compaction water discharge step, when at least one discharge value of the discharge speed and the discharge flow rate of the compaction water reaches a reference discharge value; and discriminating that the compaction state is not satisfactory, and shifting the step to a compaction water storage step again, and thereby improving filtration treatment efficiency, when the discharge value does not reach the reference discharge value.SELECTED DRAWING: Figure 3

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 the technical field of suction filtration, and particularly discloses a negative pressure suction filtration device which comprises a base, a funnel and a suction filtration bottle which are distributed from top to bottom are arranged on the base, a filter paper alternation structure capable of replacing filter paper is arranged between the funnel and the suction filtration bottle, and the funnel and the filter paper alternation structure are detachably connected with each other. The filter paper alternation structure and the suction filtration bottle are detachably connected with each other; through a rotating disc and an intermittent driving mechanism of the filter paper alternating structure, the filter paper can be automatically replaced under the condition that the whole device is not disassembled, and the operation continuity and efficiency are greatly improved; the first elastic pressing structure and the second elastic pressing structure ensure that the lower abutting pipeline is tightly attached to the upper annular sliding groove and the upper abutting pipeline is tightly attached to the lower annular sliding groove through the elastic force of the spring, the sealing effect of the first sliding cover and the sealing effect of the second sliding cover are combined, liquid leakage under the condition that the filter paper is automatically replaced is effectively prevented, and it is guaranteed that the negative pressure environment is stable.

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.

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.

The utility model discloses a urechis unicinctus sand filter, and belongs to the technical field of aquaculture tail water treatment. The sand filter comprises a sand filter body, a hollow overflow layer and an outer protective layer, the sand filter body is divided into three layers, namely a fine sand layer, a coarse sand layer and a cobblestone layer, through a urechis unicinctus culture box supporting sieve plate, a coarse sand screen and a cobblestone screen. And the fine sand layer is divided into four fan-shaped sea worm breeding boxes, the side surfaces and the bottoms of the box bodies are permeable screen-shaped, and arc-shaped protective plates are arranged on top plates of the box bodies, are folded at the upper edge of the sand filter body and are used for overflow drainage. And the sand filter is used for filtering large particles in the aquaculture tail water by absorbing residual bait and excrement in the aquaculture tail water by using the sea intestines and filtering the large particles in the aquaculture tail water by using fine sand. The device organically integrates machinery, microorganisms and organisms to purify the culture tail water, is time-saving and labor-saving, is suitable for filtering natural seawater or factory-like and pond seedling culture and culture tail water, and is wide in application range; the utilization rate and the output rate of unit seawater resources are improved, and waste of water resources is avoided.

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 relates to the technical field of water purifiers, and discloses a mounting structure of a control circuit board in a water purifier and the water purifier, the mounting structure comprises a main shell and a bracket component, the bracket component is provided with a first end and a second end which are opposite, the back of the main shell is provided with a mounting opening, and the first end and the second end are arranged in the mounting opening. The bracket component is inserted into the main shell from the mounting opening in the direction from the first end to the second end, the second end of the bracket component is fixedly or integrally provided with a control panel mounting frame, and a control circuit board is arranged in the control panel mounting frame. The face, close to the first end, of the control panel mounting frame is provided with a back sealing plate, and the face, close to the second end, of the control panel mounting frame is provided with an opening and abuts against the inner wall of the main shell, so that a control panel containing cavity is formed. According to the installation structure of the control circuit board in the water purifier and the water purifier, the control circuit board is arranged in the control board containing cavity, the control circuit board is not prone to being affected with damp, and reliability is good.

The utility model discloses an anti-filtration drainage device capable of repeatedly replacing an anti-filtration material, which comprises a filter cartridge arranged in an anti-filtration drainage hole arranged on a bottom plate; the filter cartridge comprises a cartridge body upper section and a cartridge body lower section, the top of the cartridge body upper section is an open end, and a plurality of through holes are formed in the cartridge body lower section; a flange cover is arranged at the top of the filter cartridge, and a plurality of holes are formed in the flange cover; a replaceable inverted filter material layer is laid in the filter cartridge, a backfill inverted filter material layer is laid outside the filter cartridge, and the inverted filter material layer and the backfill inverted filter material layer are the same in inverted filter material. According to the anti-filtration drainage device, the anti-filtration material can be repeatedly replaced, the anti-filtration drainage device is easy to overhaul and maintain, the problem that the effect is weakened or even fails due to clogging of the anti-filtration drainage hole is effectively solved, and operation and implementation are easy and convenient.

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 emulsifying agent production filtering equipment which solves the problems that impurities cannot be cleaned to a certain degree in time, a worker cannot conveniently and quickly replace a filtering bag, and the filtering work needs to be interrupted to replace the filtering bag, the emulsifying agent production filtering equipment comprises a tank body and an upper protective cover, and a separation frame is connected into the tank body; the top of the separation frame is connected with a sliding ring, the top of the sliding ring is provided with a sliding sealing cover, the bottom of the sliding sealing cover is provided with an opening block, a connecting support is arranged in the opening block, the connecting support is connected with a handle, the bottom of the interior of the separation frame is connected with a bag body in a clamped mode, and the handle is arranged on the top of the bag body. According to the emulsifying agent filtering device, the four bag bodies which are the same in pairs are placed in different spaces, when the bag bodies need to be cleaned and replaced, the bag bodies can be cleaned and replaced without stopping filtering by adjusting the mode of injecting the bag bodies into the different spaces, and the emulsifying agent filtering device has the effect of being suitable for filtering different types of emulsifying agents.

The utility model relates to the water purification technology, and discloses a bendable filter element and water purification equipment, the bendable filter element comprises a filter element head and a plurality of rotating joints, the filter element head comprises a filter barrel cover, an upper shell and a lower shell; an upper opening of the upper shell is sleeved with the filter barrel cover, a lower opening of the upper shell is used for accommodating the lower shell, and a connecting port is formed in the downward side of the lower shell; each rotating joint comprises a connecting piece, a central pipe and a lower shell; wherein one end of the connecting piece is a connector matched with the connecting port, and the other end of the connecting piece is a ball head; a groove matched with the ball head is formed in the upper side of the center pipe, and the lower portion of the center pipe is open to contain the lower shell. The connector of the first rotating joint is used for being connected with the lower shell of the filter element head; the connector of the rear rotating joint is used for being connected with the lower shell of the front rotating joint. And all the lower shells and the central pipe adopt hollow structures. The utility model aims to provide a bendable filter element which is convenient for a user to replace or mount.

The utility model relates to the technical field of filters, and discloses a buckle type bag filter which comprises a fixed seat and a plurality of filter bags mounted on the fixed seat, a plurality of mounting ports matched with the upper parts of the filter bags are formed in the fixed seat, a plurality of rotating frames are rotationally connected to the upper surface of the fixed seat, and the rotating frames are arranged on the fixed seat. Mounting openings are formed in the fixed seat, U-shaped feeding openings matched with the mounting openings are formed in the rotating frames, two rotating frames are arranged on the two sides of each mounting opening, clamping units are arranged between the ends of the two symmetrical rotating frames and the upper surface of the fixed seat, the side face of the upper portion of the filter bag is located between the rotating frames and the fixed seat, and the clamping units are used for fixing and extruding the two rotating frames. According to the utility model, the upper part of the filter bag is tightly pressed on the upper surface of the fixed seat by rotating the two rotating frames, and the two rotating frames are extruded and fixed through the clamping units, so that the upper part of the filter bag is uniformly stressed, the damage of the filter bag caused by more filtered matters in the filter bag is prevented, the filter bag is convenient to replace, and the stability of the filter bag after installation is improved.

The utility model provides an automatic control unit type filtering and purifying device which comprises a plurality of groups of purifying units running in parallel, each purifying unit comprises a hair collector, the hair collector is connected with a circulating water pump, and the circulating water pump is respectively connected with a water inlet and a water outlet of a filter through an equipment water inlet pipe. The water outlet of the filter is connected with a circulating water outlet pipe; a circulating water inlet electric valve and a circulating water pump water outlet valve are arranged on the equipment water inlet pipe connected with the circulating water pump and the water inlet of the filter; a circulating water pump water outlet valve and a backwashing water inlet electric valve are arranged on the equipment water inlet pipe connected with the circulating water pump and the water outlet of the filter; a backwashing drainage electric valve is arranged on the backwashing drainage pipe; and a circulating water outlet electric valve is arranged on the circulating water outlet pipe. The device is simple in structure, convenient to operate and construct, capable of saving construction site labor and later operation and maintenance operation, avoiding material waste, reducing initial investment and beneficial to large-scale popularization.

To provide an integrated sampling and separating device and method for detecting microplastics in water, which improve collection efficiency and quantity of microplastics.SOLUTION: An integrated sampling and separating device for detecting microplastics in water is provided, the device comprising a frame body, a holder, a first box, and a buoyancy assembly. The frame body rotates to periodically discharge intercepted microplastics into the first box, thereby enabling continuous transfer of intercepted microplastics into the first box.SELECTED DRAWING: Figure 1