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290results about How to "Good filtering effect" patented technology

Filtering tank capable of being easily cleaned and replacing filtering materials

InactiveCN103657200AGood filtering effectEasy to disassemble and clean the interiorStationary filtering element filtersWater pipeFilter material
The invention discloses a filtering tank capable of being easily cleaned and replacing filtering materials. The filtering tank comprises a tank body, as well as a water inlet pipe and a water outlet pipe which are communicated with the inner part of the tank body, wherein the tank body is composed of an upper tank body and a lower tank body which are detachably connected; a sealing part is arranged on the connection part of the upper tank body and the lower tank body; the water inlet pipe is located on the lower part of the lower tank body and the water outlet pipe is located on the upper part of the upper tank body; the lower tank body is internally provided with a filler layer and a filtering net in sequence from top to bottom; the filtering net is located above the water inlet pipe; a dreg discharging opening is formed in the bottom of the tank body; valves are arranged on the water inlet pipe, the water outlet pipe and the dreg discharging opening. According to the filtering tank capable of being easily cleaned and replacing the filtering materials, liquid enters the tank body from the water inlet pipe and sequentially passes through the filtering net and the filler layer to be discharged from the water outlet pipe; the liquid is doubly filtered through the filtering net and the filler layer and the filtering effect is good; the tank body is composed of the upper tank body and the lower tank body which are detachably connected and the inner part of the tank body is convenient to detach and clean; the filler layer is also convenient to replace.
Owner:SICHUAN JUYOU ECOLOGY ARRICULTURAL TECH

U-shaped slot type artificial surface plasmonband elimination filter

AU-shaped slot type artificial surface plasmonband elimination filter belongs to a multiband band elimination filter. The band elimination filter comprises a flexible dielectric substrate, a periodic metal optical grating, a U-shaped slot, a coplanar waveguide and a coupled structure, wherein the periodic metal optical grating is printed on the flexible dielectric substrate; the periodic metal optical grating is connected with the coupled structure and the coplanar waveguide; the periodic metal optical grating is combined with the U-shaped slot; the U-shaped slot represents that a metal film is not printed. The U-shaped slot type artificial surface plasmonband elimination filter has the advantages that 1, the periodicity of the U-shaped slot is selected as 1,2 and 3, band elimination filtering of one-wave band, two-wave band and three-wave band of a microwave band can be realized; 2, the structure is simple, the manufacturing is convenient, and the periodic metal optical grating structure has strong constraint on an electromagnetic field; 3, the structure of combining the periodic metal optical grating with the U-shaped slot is smaller in size and flexible, and can be applied to a microwave integration circuit with a compact size and a special function; 4, the metal optical grating structure can be applied to microwave, millimeter wave and terahertz frequency band through changing the basic parameters.
Owner:CHINA UNIV OF MINING & TECH

Horizontal indoor air purifier for photocatalytic oxidation

The invention relates to a horizontal indoor air purifier for photocatalytic oxidation, comprising a shell with a rectangular section; the shell is internally divided into a pressure-balancing chamber, a photocatalytic reaction chamber and an adsorption chamber in turn; wherein, the front of the pressure-balancing chamber is provided with an air inlet arranged at the front end of the shell and the back thereof is provided with a filter layer with the functions of pressure balancing and filtering; the photocatalytic reaction chamber is internally provided with a photocatalytic UV lamp; the front and/or back of the photocatalytic UV lamp is provided with a plurality of layers of photocatalyst filter screens; the adsorption chamber is internally provided with an adsorption layer; an air outlet is arranged on the top of the shell; the multi-level filter layer is formed by multi-layer tough and fine filter cloths; the photocatalyst filter screens are coated with nano-sized titania photocatalysts; activated carbon fiber bulks are preferably chosen as adsorbing materials. The air purifier features simple structure and convenient adaptation, very high purifying rate of volatile organic gas and is mainly applicable to indoor air pollution control.
Owner:北京道顺国际技术开发有限责任公司

Cutting fluid filtering device for numerically-controlled machine tool

The invention discloses a cutting fluid filtering device for a numerically-controlled machine tool. The cutting fluid filtering device for the numerically-controlled machine tool comprises an installing frame. The top of the left side of the inner wall of the installing frame is fixedly connected with a waste liquid box. The top of the waste liquid box is fixedly connected with a stirring motor. Through mutual cooperation of the waste liquid box, the stirring motor, a stirring shaft, a stirring part, a waste liquid pump, a waste liquid sucking pipe, a waste liquid outlet pipe, a filtering head, a filtering box, a filter, a filtering layer, an adsorption motor, an adsorption shaft, an adsorption part, a spraying box, an adsorption layer and a spraying pump, the filtering effect of the cutting fluid filtering device for the numerically-controlled machine tool is better, scrap iron and scum mixed in cutting fluid in the workpiece machining process of the numerically-controlled machine tool can be filtered and separated in time, impurity residues in the cutting fluid are effectively filtered out, and the phenomenon of deterioration of the cutting fluid caused by accumulation of too many impurities is prevented. Therefore, the secondary use performance of the cutting fluid is improved, and a workpiece and a tool are protected.
Owner:乐清市拓普数控机床有限公司

Active carbon filter

The invention discloses an active carbon filter which comprises a barrel and a bracket, wherein a water inlet is formed in the upper end of the barrel; an air inlet is formed in one side of the water inlet, and a water outlet is formed in the lower end; the barrel is fixed on the bracket; the interior of the barrel is provided with a first filter layer and a second filter layer which are same in structure from top to bottom, and both the first filter layer and the second filter layer comprise baffle plates and active carbon layers; both the first filter layer and the second filter layer are obliquely arranged in the barrel; the first filter layer and the second filter layer are provided with material inlets on higher positions and are provided with material outlets on lower positions; and a push plate is arranged above each material inlet. To change the active carbon, the gate of the material inlet is opened, the to-be-changed active carbon is pushed out of the material outlet by virtue of the push plate, new active carbon is added from the material inlet and the active carbon is uniformly spread by virtue of the push plate; and the active carbon filter is simple in structure, convenient and rapid to change the active carbon, time-saving and labor-saving, sufficient in filtration and high in production efficiency.
Owner:LEIYANG QIYUAN GAS

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

Aggregate screening device for buildings

The invention discloses an aggregate screening device for buildings. The aggregate screening device comprises a base and a screening box, wherein a plurality of iron blocks are arranged on the upper side of the base; a spring is arranged on the upper side of each of the iron blocks; an electromagnet is connected to the upper end of each of the springs; a support platform is arranged on the upper sides of the electromagnets; a sliding rail is arranged on the upper side of the support platform; support plates are arranged at the lower end of the screening box symmetrically; the lower ends of thesupport plates are connected with the sliding rail; a motor is arranged at the right end of the upper side of the support platform; a rotating disc is arranged at the output end of the motor; a rotating shaft is arranged on the periphery of the front side of the rotating disc; a connecting seat is arranged on the right side of the support plate on the right side; a connecting rod is arranged between the connecting seat and the rotating shaft; a dust collection box is arranged at the right part of the upper end of the screening box; a fan is arranged at the upper end of the dust collection box; a dust collection pipe is arranged at the output end of the fan; and a dust collection cover is arranged at one end of the dust collection pipe. The aggregate screening device for buildings has thebenefits of being simple in structure, convenient to use, good in screening effect, long in service life, good in dust collection effect, and energy-saving and environment-friendly.
Owner:SHENZHEN SHENGTENG ENTERPRISE MANAGEMENT CO LTD

Automatic swimming pool cleaning machine with filtering system capable of being cleaned easily

The invention belongs to the field of swimming pool cleaning, and particularly relates to an automatic swimming pool cleaning machine with a filtering system capable of being cleaned easily. The automatic cleaning machine is composed of a non-power walking wheel, a lower cleaning machine shell, a rigid plane filtering net, impeller water power assemblies, an upper cleaning machine shell and an assembly lock catch, wherein the impeller water power assemblies are arranged at the two ends of a horizontal double-stretching-shaft motor respectively. When the motor rotates forwards, an impeller on one side is meshed with a clutch to rotate along with the motor in the same direction, and an impeller on the other side is not meshed with a corresponding clutch and does not rotate. Dirty water with dirt passes through a water inlet in the bottom of the lower cleaning machine shell to flow into the lower cleaning machine shell through pumping of the rotation impeller. The water inlet is provided with an inwards-opening type one-way valve, the dirty water can only flow into the lower cleaning machine shell but cannot flow out. The dirt is blocked and left in the lower cleaning machine shell through the rigid plane filtering net. The automatic swimming pool cleaning machine with the filtering system capable of being cleaned easily is simple in structure, easy to dismount and mount and convenient to clean.
Owner:TIANJIN WANGYUAN ENVIRONMENTAL PROTECTION & TECH CO LTD

Composite type air filter screen and preparation method thereof

The invention provides a composite type air filter screen and a preparation method thereof. The composite type air filter screen includes a primary-efficiency filter screen, a particulate filter screen and a smell filter screen; the primary-efficiency filter screen, the particulate filter screen and the smell filter screen are sequentially connected to form the composite type air filter screen; the composite type air filter screen is provided with a lifetime indicating device. The composite type air filter screen allows the primary-efficiency filter screen, the particulate filter screen and the smell filter screen to be composited and superimposed to form a composite structure with three-layer filtration, and thus the filter effect is significant; moreover, the composite type air filter screen also is provided with the lifetime indicating device, so that the purification effect and the lifetime state of the composite type filter screen can be reflected in real time, a user can determine whether the filter screen needs to be replaced according to needs, and the use effect and user experience are ensured. The preparation method of the composite type air filter screen has the advantages of simple and fast process, and convenience for mass production.
Owner:HANGZHOU WEIDAI ENVIRONMENT TECH CO LTD

Smashing device with excellent screening effect for energy conservation and environment protection of building

The invention discloses a smashing device with an excellent screening effect for energy conservation and environment protection of a building, and belongs to the field of building material smashing. The smashing device with the excellent screening effect for energy conservation and environment protection of the building comprises a first box and a second box, an inner wall of the first box is movably connected with a filtering net, a side wall of the first box is connected with a first material conveying mechanism, and a bottom part of the first box is connected with a second material conveying mechanism; a second smashing mechanism comprises dynamic jaw plates and a static jaw plate, an inner wall of the first box is fixedly connected with a bracket, two groups of the dynamic jaw plates are provided, a bottom part of the dynamic jaw plate is connected with a connecting rod, and one end, far away from the dynamic jaw plate, of the connecting rod is rotationally connected with the filtering net; a gap is formed between a centrum roller and a conical cavity, the first smashing mechanism further comprises a first rotating shaft, and the centrum roller is in eccentric connection with the first rotating shaft; the smashing device provided by the invention can realize multiple smashing filtering, the filtering net is driven to move when the dynamic jaw plates move, and thus, a material screened can be conveyed through the first conveying mechanism to a feeding port so as to be smashed for many times.
Owner:莫凤婷

Sewage treatment apparatus for intensively replacing filtering device, and replacement method thereof

The invention discloses a sewage treatment apparatus for intensively replacing a filtering device, and a replacement method thereof. The apparatus comprises a box body, a filter frame is arranged at the top of the inner cavity of the box body, the top of the filter frame extends to the outside of the box body, the tops of two sides of the filter frame are fixedly connected with support blocks, thebottoms of the support blocks are in contact with the top of the box body, the top of the left side of the box body is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected with a horizontal plate, the right end of the horizontal plate is fixedly connected with a first motor, and the bottom of the rotating shaft of the first motor is fixedly connected with a buffer mechanism. The apparatus has the advantages of intensive dismounting replacement of a filter plate, and good filtering effect, and solves the problem of the influences ofobstruction of the filter plate, easily caused by accumulation of impurities on the filter plate in the long-time filtering process due to inconvenient intensive replacement of most filter plates fixedly mounted in existing sewage treatment apparatuses, on sewage purification.
Owner:杭州安存环保科技有限公司

Window-type drainage well and construction method thereof

The invention discloses a window-type drainage well and a construction method of the window-type drainage well. The window-type drainage well comprises a well casing and a well base. The well casing is provided with a well wall. The well wall is provided with a drainage window. The inner wall of the drainage window is of a circular truncated cone shape. The drainage window is provided with a reducing pipe. The outer wall of the reducing pipe is matched with the inner wall of the drainage window. A cage is arranged in an inner cavity of the reducing pipe and matched with the inner wall of the reducing pipe, the cage is filled with a filtering device, and a first ring flange is arranged on the outer side of the reducing pipe. The first ring flange is connected with a second ring flange, and the second ring flange is connected with a seepage collection device. Or a blind ring flange is fixed on the first ring flange. The construction method of the window-type drainage well comprises the steps of excavating to form a well base foundation, manufacturing the well base, manufacturing the well casing, placing the cage, the filtering plate, coarse sand bags and gravel bags in the reducing pipe, wherein the coarse sand bags and the gravel bags are wrapped in geotechnical cloth, and connecting the first ring flange with the second ring flange or the blind ring flange. According to the window-type drainage well and the construction method of the window-type drainage well, a window can be blocked off, and the window-type drainage well can be further transformed into a seepage collection well; the window-type drainage well is flexible in use and capable of integrating two functions, thereby reducing investments.
Owner:金建工程设计有限公司

Filter element for purifying running water

The invention provides a filter element for purifying running water. The filter element comprises a shell with an opening, an upper filtering interlayer arranged at the opening position of the shell, a lower filtering interlayer arranged at the bottom of the shell and a middle filtering interlayer arranged in the shell, wherein a first filtering cavity is formed between the upper filtering interlayer and the middle filtering interlayer in the shell, a second filtering cavity is formed between the middle filtering interlayer and the lower filtering interlayer, activated carbon is arranged in the first filtering cavity, and anion and cation resin is filled in the second filtering cavity. The filter element for purifying running water is mainly applied to household and personnel purifying vessels, the middle filtering interlayer ensures filtering material in the filter element to be arranged in a layering manner, no gas blocking phenomenon occurs in the filtering core during filtering, and good filtering effect is achieved; a flow-limiting pore is formed at the bottom of the shell, the dead weight of water is used as power, and the reaction time of water and resin is controlled by size of pore diameter; the shell is tapered, the resin is of a structure with more on top and less at bottom, the resins at the upper layer and the lower layer are saturated simultaneously, and the service life of the filter element is prolonged.
Owner:慈溪众博塑业电器有限公司

Tea screening and drying finish processing device

PendingCN107626572AGood filtering effectConvenient finishingSievingPre-extraction tea treatmentResistance wirePrimary screening
The invention provides a tea screening and drying finish processing device. The tea screening and drying finish processing device comprises a processing box; a fixed feed port is welded to the middlepart of the upper surface of the processing box; a material guide plate is arranged below the feed port; a magnetic plate is arranged below the left side of the material guide plate; a secondary screening net plate is arranged below a primary screening net plate; the left end of the secondary screening net plate and the left end of the primary screening net plate are fixed to a transmission plate,and the transmission plate is inlaid in the inner wall of the left side of the processing box; a transmission rod is fixed to the left end of the transmission plate and is leftwards connected into ascreening box; transmission hinges are arranged at the end part of the transmission rod; a partition plate is vertically welded to the inner upper wall and the inner lower wall of the middle part of the processing box; material guiding ports are formed in the positions below the secondary screening net plate and the primary screening net plate separately; a drying box is welded to the right uppercorner of the processing box; and a drying resistance wire is arranged in the drying box. The tea screening and drying finish processing device has the advantages of being simple and convenient to useand operate, capable of carrying out screening and drying simultaneously, good in finish processing effect and high in practicability.
Owner:余金龙

Ship air conditioner

The invention relates to a ship air conditioner which comprises an air conditioner box and a fresh air box, wherein a fresh air and return air mixing box, an air filter, an air heat exchanger, a water retaining device, a humidifier and an air sending fan are sequentially arranged in the air conditioner box, a return air port is arranged on the front surface of the fresh air and return air mixing box, a toxicity-filtering fresh air port is arranged at the upper end of the fresh air and return air mixing box, and the air sending fan is connected with an air outlet static pressure box; and a fresh air adjusting port, a fresh air dust filter and a dual-speed fan are sequentially arranged in the fresh air box from top to bottom, wherein an air outlet port of the dual-speed fan is communicated with the fresh air and return air mixing box in the air conditioner box. The ship air conditioner respectively controls the dual-speed fan used for fresh air inlet and the fresh air adjusting port to be in the opening state or the closing state through an electric control box and controls the toxicity-filtering fresh air port used for air inlet after toxicity-filtering to be in the opening state or the closing state according to air environment located by a ship, thereby immediately switching the different air inlet sources on the air conditioner box and the fresh air box, meeting the air regulation of the ship under the normal or accidental working conditions, having the advantages of strong applicability, good filtering effect and long service life and being applicable to the ships during voyage and wartime.
Owner:JIANGSU JOSUN AIR CONDITIONER
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