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38results about How to "Reduce the frequency of filter replacement" patented technology

Compact type RO (reverse osmosis) water purifier filter element

The invention discloses a compact type RO (reverse osmosis) water purifier filter element. The compact type RO water purifier filter element comprises a filter flask body and a filter flask cap, wherein a composite filter element is arranged in the filter flask body, and a raw water inlet, a concentrated water outlet and a pure water outlet are formed in the filter flask body; the composite filter element comprises an RO membrane filter element or a nanofiltration membrane filter element, a front filter element coaxial with the RO membrane filter element or the nanofiltration membrane filter element is arranged outside the RO membrane filter element or the nanofiltration membrane filter element, a rear filter element accommodating cavity is formed in an upper filter element cap, a rear filter element is accommodated in the rear filter element accommodating cavity, and the pure water outlet communicated with the rear filter element is formed in the filter flask body. According to the compact type RO water purifier filter element, the front filter element, the rear filter element as well as the RO membrane filter element or the nanofiltration membrane filter element are integrated in the filter flask body, so that the number of the filter elements can be reduced, the filter effect is good, the space occupied by the whole machine is reduced, meanwhile, the door-to-door replacement frequency of the filter elements by service staff can be reduced, and the maintenance cost is reduced.
Owner:BEIJING SIJI MICOE SOLAR ENERGY TECH

Convenient watering device with good protection effect for gardens

The invention relates to a convenient watering device with a good protection effect for gardens, which comprises a water pipe and at least two nozzles, wherein the water pipe is vertically arranged; at least two mounting holes are formed in the water pipe; the mounting holes are uniformly distributed in the circumferential direction taking the axis of the water pipe as the center; the axis of themounting holes is perpendicular to and intersects with the axis of the water pipe; the nozzles correspond to the mounting holes one by one and are mounted on the mounting holes; a filtering mechanismis arranged in the water pipe; a protection mechanism is arranged on the water pipe; the protection mechanism comprises a collecting groove, a protection pipe, a pushing ring and at least two air cylinders; and the filtering mechanism comprises a sealing column, a sealing ring, a moving ring, a filter screen, a cleaning component, a moving component and at least two sewage discharging holes. The convenient watering device with a good protection effect for gardens realizes the filtering function through the filtering mechanism to avoid nozzle blockage, and in addition, the device further realizes the protection function through the protection mechanism to prevent the nozzles from being damaged by external force.
Owner:特尼格日

Pipeline pressure test and pulse cleaning integrated equipment

The invention discloses pipeline pressure test and pulse cleaning integrated equipment which comprises a hydraulic oil filter system, a pipeline cleaning and blow-drying system, a pipeline high-pressure test system, an automatic door system, and a PLC monitoring and operating system; the pipeline pressure test and pulse cleaning integrated equipment provided by the invention has the functions of cleaning, pressure testing, load imitation testing, and one machine can integrate more functions. As the name suggests, the pipeline pressure test and pulse cleaning integrated equipment is a combined machine of a pipeline cleaning machine and a press testing device, and one machine achieves the functions of two machines. The combined machine ensures that equipment purchasing and using costs can be saved.
Owner:SHANDONG UNIV

Household water purifier based on geologic materials

The invention provides a household water purifier based on geologic materials, which comprises at least a water inlet, a water outlet, a water switch and a housing, wherein a six-stage water quality purification and mineralization module, a geologic mineral material filter element automatic regeneration module and a filter element use condition monitoring module are arranged in the water purifier, and the six-stage water quality purification and mineralization module consists of six-stage water quality purification filter elements which are sequentially arrayed; the geologic mineral material filter element automatic regeneration module consists of an automatic modification back wash unit and an ultraviolet disinfection unit; and the filter element use condition monitoring module comprises a monitoring part, a circuit control part and a display screen. By using the water purifier, heavy metals and nitrogen and phosphorus pollutants contained in water on the premise that the structure of natural water is not damaged, and microscale mineral elements beneficial to the human body are released, and finally activated small molecular water and healthy water containing beneficial mineral elements are obtained.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Breeding sewage treatment technology

The invention relates to a breeding sewage treatment technology. The breeding sewage treatment technology comprises the following steps that 1, sewage drained from a breeding farm is collected through a hoisting shaft; 2, filtering is conducted; 3, anaerobic fermentation is conducted; 4, an ammoxidation reaction is conducted for 1 day to 2 days to decrease the ammonium nitrogen concentration in the sewage; 5, an aerobic reaction is conducted for 1 day to 2 days at the temperature of 15 DEG C to 25 DEG C, and COD and ammonium nitrogen in the sewage are degraded through aerobic bacteria to decrease the COD concentration and the ammonium nitrogen concentration; 6, the sewage subjected to the aerobic reaction is delivered into a biodegradation planting greenhouse to degrade COD and ammonium nitrogen in the sewage and purify water; 7, the purified water is used for farm irrigation. According to the technology, the concentration of suspended solids, ammonium nitrogen and organic pollutants in the sewage can be effectively decreased to the standard level, the whole treatment process achieves full biodegradation, no secondary pollution is generated, the removal effect of the suspended solids is good in the filtering link, the subsequent sewage treatment difficulty is reduced, the treatment cost is low, filtered sludge is naturally dried, dewatering does not need to be conducted through sludge dewatering equipment, and the treatment cost is low.
Owner:山东新思维环保工程有限公司

Pressure swing adsorption nitrogen generation system and nitrogen generation method thereof

The invention relates to the technical field of gas preparation, in particular to a pressure swing adsorption nitrogen generation system and a nitrogen generation method thereof. The pressure swing adsorption nitrogen generation system comprises an air compressor, a compressed air filtering assembly, a buffer gas storage tank, an adsorption tower set, a nitrogen tank, a connecting pipeline and a valve set. The system is characterized in that the air compressor, the compressed air filtering assembly, the buffer gas storage tank, the adsorption tower set and the nitrogen tank sequentially communicate with one another through the connecting pipeline, the valve set is arranged on the connecting pipeline, and an inlet air filtering device is arranged at the input end of the air compressor and used for filtering inlet air of the air compressor. According to the pressure swing adsorption nitrogen generation system and nitrogen generation method thereof, primary filtering and impurity removal can be conducted on inlet air of the air compressor during nitrogen preparation, the frequency of replacing a filter element of filter equipment in the later period is reduced, the production cost is reduced, the impurity removal pressure of the filter equipment in the later period is reduced, and the filtering effect of the filter equipment in the later period is guaranteed.
Owner:浙江瑞鸿机电设备有限公司

A kind of pressure swing adsorption nitrogen production system and nitrogen production method

The invention relates to the technical field of gas preparation, in particular to a pressure swing adsorption nitrogen production system and a nitrogen production method thereof, including an air compressor, a compressed air filter assembly, a buffer gas storage tank, an adsorption tower group, a nitrogen tank, connecting pipelines and The valve group is characterized in that: the air compressor, the compressed air filter assembly, the buffer gas storage tank, the adsorption tower group, and the nitrogen tank are sequentially connected through the connecting pipeline, the valve group is arranged on the connecting pipeline, and the air compressor The input end of the machine is provided with an air intake filter device, which is used for the air intake filter of the air compressor, which provides a filter and impurity removal for the initial effect of the air intake of the air compressor during the preparation of nitrogen, reducing the need for later The frequency of replacing the filter element of the filter equipment reduces the production cost, reduces the impurity removal pressure of the later filter equipment, and ensures the filtration effect of the later filter equipment. The pressure swing adsorption nitrogen production system and its nitrogen production method.
Owner:浙江瑞鸿机电设备有限公司

Design method of high-efficiency desert air filter

The invention relates to a design method of a high-efficiency desert air filter for a motor bus. The desert air filter mainly comprises a double-cavity air filter mechanism (1), wherein the double-cavity air filter mechanism (1) is provided with an upper cavity and a lower cavity with filtering mechanisms, the double-cavity air filter mechanism (1) is sequentially in tight connection with an internally-connected rubber hose (3), an air inlet pipe (4) and an externally-connected rubber hose (5) through hoops (2), the externally-connected rubber hose (5) is connected with the air inlet of an external engine pressure booster, and both ends of the double-cavity air filter mechanism (1) are fixed on a frame bracket assembly (8). When in use, the high-efficiency desert air filter designed by the invention can improve the filtering efficiency of the air filter, lower the maintenance cost, reduce the premature wear of the engine cylinder of a motor bus running in desert and improve the dynamic property of the engine.
Owner:SHAANXI EUROSTAR AUTOMOBILE

Air filter unit based on filter screen vibration

The invention discloses an air filter unit based on filter screen vibration. The air filter unit comprises an air inlet layer, an air exhaust layer and a lifting control unit (11), wherein the air inlet layer comprises a first air inlet opening (1), an air filter chamber (2) provided with a filter screen (10), an air inlet chamber (3) and a first air exhaust opening (4), which are communicated insequence; the air exhaust layer comprises a second air inlet opening (5), an air exhaust chamber (6), a filter screen blowback chamber (7) and a second exhaust opening (8), which are communicated in sequence; a baffle plate (9) is arranged between the air inlet layer and the air exhaust layer; the baffle plate (9) is provided with a gap cooperating with the filter screen; the lifting control unit(11) is connected with the filter screen (10) and controls the switching, between the air filter chamber (2) and the filter screen blowback chamber (7), of the filter screen (10); a knocking vibrationunit cooperating with the filter screen (10) is also arranged in the filter screen blowback chamber (7). According to the air filter unit, the filter screen is cleaned in the filter screen blowback chamber; the filter screen is knocked by utilizing the knocking vibration unit to vibrate the filter screen and the cleaning efficiency of the filter screen is improved.
Owner:四川特空科技有限公司

Two-stage multi-channel atmosphere collection pipeline filtration system

The invention relates to the technical field of pre-filtration of online atmosphere analysis, and discloses a two-stage multi-channel atmosphere collection pipeline filtration system. The system comprises a multi-channel filtration unit, wherein the multi-channel filtration unit comprises a filter group with a plurality of filter chambers; an electromagnetic valve is arranged on each filter chamber; the opening / closing sequence and switching time interval of each electromagnetic valve are independently controlled through a controller, so that when one of the electromagnetic valves is in an open state, the rest electromagnetic valves are in a closed state; and the multi-channel filtration unit is provided with a front cyclone filtration device to remove large particulate contaminants and liquid water from gas samples. According to the system, the attenuation effect of high-frequency signals of gas concentrations is prevented from increase, the effective filtration time of pre-filtrationsystems of gas analyzers is increased for multiples, and the liquid water in the gas samples is prevented from entering the instruments to cause instrument damage, so that the continuous operation time of the analyzers is greatly prolonged and the quality of field observation is improved.
Owner:INST OF FORESTRY CHINESE ACAD OF FORESTRY

Pest monitoring and control system

The invention discloses a pest monitoring and control system. The pest monitoring and control system comprises a reverse funnel cover, an outer cylinder body is arranged on the reverse funnel cover, the outer surface of the reverse funnel cover is matched with the inner wall of the outer cylinder body to form a trapping space, a dark light absorption layer is arranged on the surface of the outer cylinder body, and a funnel opening in the top of the reverse funnel cover is connected with the trapping space in a communicating manner; and a lure box is arranged in the reverse funnel cover, a lureis arranged in the lure box, the lure box is connected with a lifting device, the lifting device can drive the lure box to reciprocate between the interior of the reverse funnel cover and the exterior of the reverse funnel cover, and an infrared sensor module used for detection is further arranged on a funnel opening in the top of the reverse funnel cover. The pest monitoring and control system is simple in structure, low in energy consumption, convenient to use and suitable for large-batch deployment.
Owner:苏州松雷电子科技有限公司

Oil filtration system and air conditioning unit

The invention provides an oil filtration system and an air conditioning unit. The oil filtration system comprises an oil tank, an output pipeline, an electric control magnetic filter and a lubricating oil way, wherein the oil tank is used for containing oil, the output pipeline is connected with the oil tank, used for guiding the oil in the oil tank out and provided with a first output joint; the electric control magnetic filter is connected with the first output joint; the lubricating oil way is connected to the output end of the electric control magnetic filter. According to the oil filtration system, the electric control magnetic filter is arranged on the oil way, and in the power-on state, the electric control magnetic filter has magnetism and can adsorb impurities such as iron chips in lubricating oil; in the power-off state, the electric control magnetic filter losses magnetism, the iron chips adsorbed to the electric control magnetic filter fall off, in other words, the electric control magnetic filter can be reused, and therefore the frequency of filter element replacement is reduced.
Owner:GREE ELECTRIC APPLIANCES INC

Filter tank

The invention discloses a filter tank which comprises a tank body and a filter element, and the filter element is arranged in the tank body; the filter element comprises a filter screen and a solid-liquid separator, and the filter screen wraps the solid-liquid separator. Liquid and solids in wastewater can be effectively separated through the solid-liquid separator; meanwhile, the separated liquidis filtered and drained through the filter screen; the solid-liquid separator is arranged outside the filter screen, so that solids in the wastewater are blocked outside the filter screen and are discharged along the solid-liquid separator in the washing process, the phenomenon that the solids block the filter screen is effectively prevented, the frequency of replacing the filter screen is reduced, the labor cost is further reduced, and meanwhile, the situation of shutdown treatment due to blockage of the filter screen can be avoided.
Owner:广东长石环保科技有限公司

Animal water dispenser, filtering device and filtering control system and method

The invention discloses an animal water dispenser, a filtering device and a filtering control system and method, and belongs to the technical field of animal water drinking control. The filtering device of the animal water dispenser comprises a filtering disc, a plurality of filtering subareas are evenly arranged around the rotating center of the filtering disc, and each filtering subarea is provided with a filtering element and a water filtering hole. The animal water dispenser comprises a water trough on the upper layer and a water storage tank on the lower layer, the filtering device is installed below the water trough, the filtering disc is always provided with a filtering subarea which is located below the drain opening, and the filtering disc is connected with a driving device. According to the filtering method of the animal water dispenser, the filtering device is installed below a water trough, and the filtering disc can be driven to rotate in three modes. The filtering control system of the animal water dispenser comprises the filtering device, a filtering disc is connected with a stepping motor, and the filtering disc is controlled to rotate by setting time, water drinking times and a water flow accumulated value. A cleaner and more sanitary animal drinking water filtering mode is provided.
Owner:雷格工业设计(杭州)有限公司 +1

A reverse osmosis water purifier

The invention discloses a reverse osmosis water purifier which comprises a ceramic filter, a granular activated carbon filter, a reverse osmosis membrane filter and a post-activated carbon filter sequentially connected through a pipeline, wherein the ceramic filter is provided with a water inlet connector, a water outlet connector and a wastewater outlet connector; the water inlet connector is connected with a tap water pipe; the water outlet connector is connected with a water inlet end of the granular activated carbon filter; the wastewater outlet connector is connected with an electromagnetic valve; the reverse osmosis water filter is provided with a water inlet a, a water outlet a and a wastewater outlet; the water inlet a is connected with a water outlet end of the granular activated carbon filter; the water outlet a is connected with the water inlet end of the post-activated carbon filter; the wastewater outlet is connected with a wastewater regulating and discharging tool; the water outlet a is further connected with a pressure barrel; the water outlet end of the post-activated carbon filter is connected with a drinking water faucet. The reverse osmosis water purifier provided by the invention replaces PP cotton with a self-cleaning ceramic filter to remove granular impurities, thereby reducing the frequency of replacing a filter element and helping to prolong the service life of the filter element.
Owner:陕西佰氏博环境科技有限公司

Oil Filtration System and Air Conditioning Unit

The invention provides an oil filtering system and an air conditioning unit. The oil filtration system includes: an oil tank, used to accommodate oil; an output pipeline, connected to the oil tank, used to export the oil in the oil tank, and has a first output node on the output pipeline; an electronically controlled magnetic filter, connected to the first output node Connection; the lubricating oil circuit is connected to the output end of the electronically controlled magnetic filter. According to the oil filtration system of the present invention, by setting an electronically controlled magnetic filter on the oil circuit, the electronically controlled magnetic filter has magnetism and can absorb impurities such as iron filings in the lubricating oil when the power is turned on; The magnetic filter loses its magnetism, and the iron filings adsorbed on the electronically controlled magnetic filter will fall off, that is, the electronically controlled magnetic filter can be recycled many times, thereby reducing the number of times to replace the filter element.
Owner:GREE ELECTRIC APPLIANCES INC

High performance deduster

The invention provides a high performance deduster. The high performance deduster comprises an upper box body, the upper box body is provided with a seal cover, a lattice plate is arranged in the upper box body, a cavity between the seal cover and the lattice plate is a clean air cavity, dust-containing air cavities and a dust gravity settlement cavity are sequentially arranged at the lower portion of the clean air cavity, and clean air cavity sealing valves divide the clean air cavity into front clean air cavities and a rear clean air cavity; and a plurality of filter cylinder assemblies are arranged on the lattice plate, and are positioned in the dust-containing air cavity. The high performance deduster has the advantages of high dedusting rate, long service life and low cost.
Owner:SHENYANG JINWO TECH DEV

Double-layer filter screen convenient to connect

The invention discloses a double-layer filter screen convenient to connect. The double-layer filter screen convenient to connect comprises an upper framework, a filter screen and a lower framework. The filter screen is arranged between the upper framework and the lower framework. The lower framework comprises a disc, a first annular sleeve and a second annular sleeve, wherein the first annular sleeve and the second annular sleeve are arranged at the two ends of the disc respectively, a connecting thread is arranged on the inner wall of the first annular sleeve, a plurality of round holes are formed in the surface of the disc, first-layer filter screens are arranged in the round holes respectively, and an annular groove is formed in the end face of the second annular sleeve. An annular protruding strip corresponding to the annular groove is arranged on the end face of one end of the upper framework, and a connecting thread is arranged on the outer wall of the other end of the upper framework. In this way, according to the double-layer filter screen convenient to connect, the filter screens can be conveniently replaced, and the filter screens and external connecting pipelines can be conveniently disassembled or assembled; meanwhile, the service life of the filter screens or the filter time of the filter screens is prolonged, the filter screen replacement frequency is reduced, and the life cycle of equipment is prolonged.
Owner:SUZHOU YIXINHE ELECTRONICS CO LTD

Separation chip, separation device and separation method

The invention provides a separation chip. The separation chip comprises a sample pool, a first chamber, a second chamber and power supplies. The sample pool comprises first filter membranes and secondfilter membranes, and the first filter membranes are opposite to the second filter membranes. The first chamber is connected to the sample pool through the first filter membranes, the first chamber comprises a first outer wall, the first outer wall is arranged on one side, far away from the second filter membranes, of the first filter membranes, and the first chamber is connected to the outside.The second chamber is connected to the sample pool through the second filter membranes, the second chamber comprises a second outer wall, the second outer wall is arranged on one side, away from the first filter membranes, of the second filter membranes, and the second chamber is connected to the outside. The power supplies are used for providing an electric field applied between the first outer wall and the second outer wall. The separation chip provided by the invention can realize continuous separation, the separation efficiency is improved, and the cost is reduced. The invention also provides a separation device and a separation method for separating target particles in a to-be-detected sample.
Owner:SHENZHEN TECH UNIV

A tunnel kiln blast furnace slag waste heat power generation device

ActiveCN111102849BWill not affect the processing progressTake advantage ofMachines/enginesFurnace coolingTunnel kilnHydraulic cylinder
The invention discloses a tunnel kiln blast furnace slag waste heat power generation device, which comprises a base, support plates are arranged on both sides of the top of the base, a shell is fixed between the top ends of the support plates, and the top end of the outer side of the shell is A feeding channel is provided, and a placement plate is arranged through a hinge under one end of the feeding channel inside the housing, and a number of through holes are uniformly opened on the upper surface of the placing board, and the inner bottom of the housing is passed through a bearing A hydraulic cylinder is movable, and the end of the telescopic rod of the hydraulic cylinder is movably connected with the placement plate through a bearing, and a plurality of first water delivery pipes are uniformly arranged on the inner top of the housing above the placement plate. The invention can generate steam by pouring the blast furnace slag containing high-temperature waste heat with cooling water, and can generate electricity by utilizing the steam, thereby making full use of the waste heat on the blast furnace slag, realizing the utilization of waste resources, and avoiding the waste of resources. Make the blast furnace slag play its greatest value.
Owner:XUZHOU ZHENFENG NEW TYPE WALL MATERIAL CO LTD

A water conservancy conveying device with cleaning function for drip irrigation

The invention relates to a water conservancy conveying device with cleaning function for drip irrigation, which comprises a main body, a water inlet pipe, a water outlet pipe and two flanges, the water inlet pipe is arranged on one side of the main body, and the water outlet pipe is arranged on the side of the main body On the other side, the water inlet pipe communicates with the water outlet pipe through the main body, the main body is provided with a driving device, and the two flanges are respectively installed on the end of the water outlet pipe away from the main body and the end of the water inlet pipe far away from the main body. There are filter mechanism and cleaning mechanism in the water pipe, the filter mechanism includes a moving ring, a filter screen, a detection assembly and two connection assemblies, and the connection assembly includes a slider, a slide bar, a fixed block and a spring, which is used for drip irrigation The water conservancy conveying device with cleaning function realizes the function of detecting the circulation through the filter mechanism, not only that, but also realizes the effect of cleaning the filter screen through the cleaning mechanism, reducing the frequency of replacing the filter screen.
Owner:安徽志道建设工程有限公司

Exhaust gas ejection muffler

The invention provides an exhaust gas ejection muffler. An exhaust gas ejection port and a gas inlet are formed in one side of a shell, and an exhaust port is formed in the lower part of the shell, wherein a Venturi tube is arranged in the shell; the exhaust gas ejection port is connected with an inlet in one side of the Venturi tube; the gas inlet is connected with the rear part of the Venturi tube; the exhaust port is connected with an outlet in the lower part of the Venturi tube; the Venturi tube is connected with the shell through brackets comprising brackets 1 and 2. Compared with the prior art, the exhaust gas ejection muffler has the advantages that the muffler is communicated with a filter under the condition of no influence on the performance of the muffler, and negative pressure is generated in the muffler to suck dust away from a filter element of the filter, so that the service life of the filter element is prolonged, the replacement frequency of the filter element can be reduced, the maintenance period of the filter element is prolonged, and the cost is lowered.
Owner:XIANGYANG CHUAN TECH IND

Magnetic slag-removing system

The invention relates to a magnetic slag-removing system, comprising a shell, a magnetic assembly and a filter cartridge, wherein the shell is provided with a fluid inlet for allowing a fluid to enterthe shell and a fluid outlet for discharging the fluid out of the shell; the magnetic assembly is detachably mounted on the outer wall of the shell and used for adsorbing impurities in the fluid ontothe inner wall; the filter cartridge has a U-shaped cross section, and the outer wall of the filter cartridge is used for intercepting impurities in the fluid to prevent the impurities from enteringthe filter cartridge; the fluid inlet leads to the outside of the filter cartridge; and the interior of the filter cartridge communicates with the fluid outlet. The magnetic slag-removing system of the invention prolongs the service life of a filter net, reduces the replacing frequency of the filter net, and is convenient for cleaning of adsorbed impurities.
Owner:西安格睿能源动力科技有限公司

A kind of breeding sewage treatment process

The invention relates to a breeding sewage treatment technology. The breeding sewage treatment technology comprises the following steps that 1, sewage drained from a breeding farm is collected through a hoisting shaft; 2, filtering is conducted; 3, anaerobic fermentation is conducted; 4, an ammoxidation reaction is conducted for 1 day to 2 days to decrease the ammonium nitrogen concentration in the sewage; 5, an aerobic reaction is conducted for 1 day to 2 days at the temperature of 15 DEG C to 25 DEG C, and COD and ammonium nitrogen in the sewage are degraded through aerobic bacteria to decrease the COD concentration and the ammonium nitrogen concentration; 6, the sewage subjected to the aerobic reaction is delivered into a biodegradation planting greenhouse to degrade COD and ammonium nitrogen in the sewage and purify water; 7, the purified water is used for farm irrigation. According to the technology, the concentration of suspended solids, ammonium nitrogen and organic pollutants in the sewage can be effectively decreased to the standard level, the whole treatment process achieves full biodegradation, no secondary pollution is generated, the removal effect of the suspended solids is good in the filtering link, the subsequent sewage treatment difficulty is reduced, the treatment cost is low, filtered sludge is naturally dried, dewatering does not need to be conducted through sludge dewatering equipment, and the treatment cost is low.
Owner:山东新思维环保工程有限公司

High-efficiency filter element of water purification equipment and preparation method of high-efficiency filter element

The invention belongs to the field of preparation of non-woven materials, and relates to a high-efficiency filter element of water purification equipment and a preparation method of the high-efficiency filter element. A melt-blown fiber web is modified twice by adopting solid powder modified particles, wherein the solid powder modified particles applied in the first modification are mainly distributed on the surface of the melt-blown fiber web; solid powder modified particles applied in the second modification are mainly distributed in the middle of the melt-blown fiber web, and through two times of modification treatment, the surface and the inner core of the finally obtained melt-blown fiber web both have proper content of solid modified particles; certain adhesion is further preserved on the surface of the melt-blown fiber web in the first modification process, the adhesion firmness of solid powder modified particles and fibers is improved by means of a fluidized bed spraying device with relatively high solid powder spraying capacity, the solid powder modified particles are not prone to falling off, the frequency of replacing a filter element is reduced, and the use cost of water purification equipment is lowered.
Owner:江苏鑫林环保设备有限公司

Durable filter element of water purification equipment and preparation method of durable filter element

The invention belongs to the field of preparation of non-woven materials, and relates to a durable filter element of water purification equipment, a preparation method of the durable filter element and the water purification equipment comprising the durable filter element. According to the durable filter element, solid powder modified particles are adopted to modify a spun-bonded fiber web twice; first solid powder modified particles applied in the first modification are mainly distributed on the surface of the spun-bonded fiber web; and second solid powder modified particles applied in the second modification are mainly distributed in the middle of the spun-bonded fiber web, and through two times of modification treatment, the modification treatment of the whole spun-bonded fiber web is complete and sufficient; maximum performance of modification treatment is played; and by means of a fluidized bed spraying device with relatively high and uniform solid powder spraying capacity, the adhesion firmness of solid powder modified particles and fibers is improved, the solid powder modified particles are not prone to falling off, secondary pollution to a water source is avoided, the solid powder modified particles can play a role for a long time, and the frequency of replacing the filter element is effectively reduced.
Owner:南通伍芯新材料有限公司
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