43results about How to "Filtering does not affect" patented technology

The invention provides a cell separation system and a method thereof, the system comprises a centrifugal device, wherein a centrifugal frame is arranged in the centrifugal device, the centrifugal frame is connected with a centrifugal motor, the centrifugal frame is driven to rotate, a holder for placing a centrifuge tube is provided at the centrifugal frame to centrifuge the liquid in the centrifuge tube; and the centrifugal device is provided with a corner positioning device; at least one liquid adding device is provided, the liquid adding device is provided with a pump for injecting a presetliquid into the centrifuge tube; least one precise dosing device is provided, the precise dosing device is provided with a screw push device, a peristaltic pump or a diaphragm pump to achieve precisefilling of the liquid into the centrifuge tube; at least one suction device is provided, the suction device is provided with a suction pipe which can be lifted and lowered, the suction pipe is connected with a vacuum device or a suction pump, the suction device extends the suction pipe into the centrifuge tube to a predetermined depth, and the liquid in the centrifuge tube is pumped away. The system is capable of automating the process of cell separation, thereby achieving automated cell separation operation at a low cost, and ensuring separation quality.

The invention discloses an automatic fishpond contamination suction machine and a contamination clearing method. An MCU controller controls a submerged pump to work, sewage in a fishpond is ejected to the upper space of a filtering container, and the sewage impacts a filtering screen and then is filtered; the filtered sewage returns to the fishpond via a water outlet pipe of the filtering container, and excrement and residual bait falls into the lower space of the filtering container through a gap between the filtering screen and an intermediate baffle plate; and the MCU controller detects signals of three waterproof ultrasonic sensors, calculates out the distances between the front wall, the left wall and the right wall of a vehicle body and opposite walls of the fishpond, control the vehicle body to straightly move forward or turn left and turn right at the angle of 90 degrees, and allows the vehicle body to traverse the bottom of the fishpond along a continuous extension rectangular path in a reciprocation manner. The ultrasonic sensors and the MCU controller are combined to determine the position of the contamination suction machine in the bottom of the fishpond, the contamination clearing path covers the whole fishpond through the reciprocation movement manner, repeated contamination clearing jobs can be avoided, and the efficiency of contamination clearing can be improved.

The invention relates to the field of environmental protection, and specifically discloses a sewage treatment device for rapidly separating impurities, which includes a casing, a sedimentation tank, an upper cover, a drain pipe and a water feeding pipe, wherein an output shaft of the motor is vertically arranged downward, and the lower end of the output shaft is coaxially fixed to a transmission shaft passing through the upper cover downward; a vertical hollow shaft is fixed to the central axis of a rotating cylinder; a plurality of vertical filter screen boxes are arranged in the rotating cylinder and are evenly distributed along the circumference of the hollow shaft with equal included angles; a drainage hole communicating with the inside of the hollow shaft is opened on one end, of eachfilter screen box, located at the hollow shaft. According to the device, falling sewage is filtered by the rotating filter screen boxes, and the filter boxes are in contact with sewage in a three-dimensional structure manner, so that the contact area with the sewage is increased, and the flow of water is ensured. Attached impurities are liable to shed by changing rotation directions of the filterscreen boxes, and the impurities can be accumulated inside for a long time without affecting the filtration, thus reducing the frequency of maintenance and cleaning of the device, and reducing the use cost.

The invention belongs to the technical field of medicines, and particularly relates to a preparation method for 130/0.4 hydroxyethyl starch. The method mainly comprises the following steps of gelatinizing and hydrolyzing, performing hydroxyethyl etherification, performing rough filtration, decolorizing and clarifying, performing refined filtration, performing ultrafiltration and drying. According to the method, insoluble chitosan is used for decolorization and clarification, and the conventional process in which activated carbon is used for decolorization is improved, so production efficiency and the quality of hydroxyethyl starch are improved. The method overcomes the defects that decolorization efficiency is low, the adsorption amount is limited, filtration time of feed liquid is long, and toxin in the feed liquid exceeds the limit and the like because the active carbon is used for decolorization in the conventional process, adsorption speed of insoluble chitosan is 6 times that of the active carbon, and the adsorption amount of insoluble chitosan is 5.5 times more than that of the active carbon; the insoluble chitosan can be repeatedly used, secondary pollution is avoided, high mechanical intensity is achieved, and filtration is not influenced; and the raw materials of the produced hydroxyethyl starch are stable in batch, and the quality of the produced hydroxyethyl starch is reliable and meets the national standard.

The invention discloses a machining cutting fluid filtering device containing various metal shavings, which comprises a permanent magnet, a box cover, a second valve, a filter screen, a third valve and a filter screen, and the permanent magnet is used to filter the cutting fluid The iron filings are adsorbed, and the cover is used to seal the iron filings filter box to prevent the cutting fluid in the iron filings filter box from splashing out and polluting the surrounding environment, which improves the practicability of the equipment. When other metal chips in the filter are filtered, the second valve is opened to allow the cutting fluid in the chip filter box to enter the first filter box through the second guide pipe. When the filter set in the first filter box reaches saturation, Firstly close the second valve, further open the third valve so that the cutting fluid in the iron chip filter box enters the second filter box through the third end of the first three-way pipe, and the cutting fluid is filtered by the filter set in the second filter box. Continue to filter.

The invention discloses an aluminium alloy multi-layer filter tank which comprises a tank body, wherein a through hole is formed in one side of the tank body, a fixed block with a groove is arranged on the other side wall in the tank body, corresponding to the through hole horizontally, a filter board is fixed on each pair of through and the horizontally corresponding fixed block, a water inlet is formed at the top of the tank body and a water outlet is formed at the bottom of the tank body. Compared with the prior art, the aluminium alloy multi-layer filter tank is long in service life and is capable of filtering simultaneously form multiple times according to requirements. Furthermore, since plug bush installation is adopted for the filter board, cleaning is facilitated, cleanness of the filtering hole is ensured, and filter of next time is not affected.

The invention discloses a filter screen block device for automatically cleaning impurities of waste water. The filter screen block device comprises a filter shell body, wherein a water tank with an upward opening is fixedly formed inside the upper end surface of the filter shell body, a water inlet cavity is formed inside the lower end wall of the water tank in a communicating mode, trapezoidal cavities in bilateral symmetry are formed inside the left end wall and the right end wall of the water inlet cavity in a communicating mode, the lower end walls of the trapezoidal cavities are inclinedplanes, and a filter screen block is slidably arranged inside the water inlet cavity. According to the filter screen block device, the waste water can be quickly filtered, the impurities of the wastewater with the excessive impurities can be concentrated, filtering is not influenced, a blocked filter screen is not required to be cleaned by personnel, and physical injury to hands of the personneldue to influence of the waste water is prevented, and the impurities are automatically cleaned and stored after being filtered.

The invention discloses an ink filter easy to clean. The filter comprises a filtering tank and a cover plate which is fixed on the filtering tank, a spring is prolonged in the filtering tank and is fixed at the lower surface of the cover plate, a filter screen is fixed at the lower end of the spring, a scraper is fixed at the edge of the filter screen, wherein the scraper is connected on the innerwall of the filtering tank, a vertical pull rod is fixed on the filter screen, wherein the pull rod across the cover plate and is prolonged to the outer of the filtering tank. The ink filter has theadvantage of regularly cleaning the filter tank.

The invention discloses municipal environment-friendly sewage treatment equipment with a filter screen convenient to clean, and relates to the technical field of municipal sewage treatment. The equipment comprises a collecting box, a filtering box is embedded in the collecting box, and filtering net bodies are installed on the two sides of the center position in the filtering box; a motor is mounted in a motor shell; racks are fixedly connected to the outer walls of the two sides of a moving strip, and fluted discs are arranged at the bottoms of the outer sides of the outer walls of the racks; and a spring A sleeves the outer side of the outer wall of a rubber column. The motor operates to push the filter screen to jack up the middle, sewage and sludge are discharged when the filter screen moves upwards, the filter screen is convenient to clean, sludge blockage and accumulation are avoided, meanwhile, the rubber column and the spring A are used for absorbing impact force and pressure borne by the middle of the filter screen, the buffering and damping effects are achieved, and the bearing capacity of the middle of the filter screen body is enhanced. Clamping plates on two sides are in a mirror image state and are static through a spring B, the racks and a fluted disc, workers can conveniently assemble and disassemble the device, and time is saved.

The invention discloses a household air purification device based on Internet of things. A fan feeds air into a first air filter net, the air is filtered, the air enters a trigger switch assembly, andthe quantity of the air is compared with a lowest air quantity, and when the air quantity is lower than the lowest air quantity, the trigger switch assembly turns on the power supply of a rotating motor to drive the first air filter net and a second air filter net to rotate, two ends of a clamping arm respectively clamp the first air filter net and the second air filter net, the first air filternet is rotated to the rear end of a shell, meanwhile, the second air filter net is rotated to the position of the first air filter net to filter the air, and therefore a user can conveniently detach the first air filter net, air filtering is not affected, and indoor air refreshing is guaranteed.

The invention relates to the technical field of mask materials. The invention relates to a three-in-one material, in particular to an environment-friendly hot melt adhesive attached three-in-one material for a mask. The filter element comprises an upper protective layer, a middle filter layer and a lower protective layer which are parallel to one another, wherein the middle filter layer is locatedbetween the upper protective layer and the lower protective layer, the upper protective layer is fixedly connected with the middle filter layer, the middle filter layer is fixedly connected with thelower protective layer, the upper protective layer, the middle filter layer and the lower protective layer are all made of breathable materials, and the middle filter layer is a nanofiber membrane. The fabric has the advantages of being long in protection time, good in air permeability, capable of well adding bioactive substances and achieving anti-inflammatory and antibacterial functions, capableof being washed repeatedly and durable in use.

The invention discloses an access user filtering method and device, equipment and a storage medium. The method comprises the following steps: acquiring a target access request, wherein the target access request carries a user identifier and a target address; analyzing the target access request, and extracting the user identifier and the target address in the target access request; matching the user identifier with the target address in a preset access blacklist to obtain a matching result; and feeding back a request result of the target access request according to the matching result so as to reject or accept the target access request of the target user. According to the method and the device, the matching can be refined to the specific target user and the target address, so that the interception accuracy can be ensured, the access of normal users to the Web can not be influenced, and the filtering of the access users is quicker and more accurate. According to the method and the device, the technical problem that access of normal users on a non-blacklist to Web may be influenced by a mode of matching an IP address in related technologies is solved.

The invention discloses a non-ferrous metal smelting circulating water filter pressing device, and relates to the field of non-ferrous metals, the non-ferrous metal smelting circulating water filter pressing device comprises a base, a main body is arranged at the middle position of the top of the base, the top end of the interior of the main body is rotatably connected with a rotating bin, the interior of the rotating bin is slidably connected with a pressing column, and the bottom of the pressing column is provided with a clamping head; a filter plate is arranged in the main body, a mounting frame is rotatably connected to the outer side of the filter plate, and a rotary button is arranged on one side of the mounting frame. By arranging a floating ball, when impurities block a filter plate, water entering is affected, water is gradually increased, the floating ball moves upwards under buoyancy, a pressing column is driven to move downwards under the action of a telescopic column in cooperation with the lever principle, a clamping head enters a clamping groove block, and at the moment, a rotating motor is started to drive second conical teeth to rotate; and the rotating bin drives the filter plate to rotate, so that impurities at the top of the filter plate rotate, and water can pass through conveniently.

The invention discloses a rotary self-cleaning filter. A drum cover is covered on an upper opening of a drum body; a water outlet is formed on a lateral lower wall of the drum body; a water inlet is formed at the top end of the drum cover; a separating plate is fixedly arranged between the upper opening of the drum body and the drum cover; a hydraulic motor is fixedly arranged in the drum cover; the hydraulic motor is connected with the water inlet; a coaxial cylindrical filter screen is sleeved in an inner chamber of the drum body; the inner chamber of the drum body is separated into an inner cavity and an outer cavity by the filter screen; a rotating shaft coaxial with the filter screen is arranged in the inner cavity; the top end of the rotating shaft upward extends out of the central hole on the separating plate and is fixedly connected with the hydraulic motor; a cleaning hairbrush is arranged on the outer wall of the rotating shaft; the external end of the cleaning hairbrush is in contact with the filter screen; a draining pipe is arranged right under the drum body. The entering filtering liquid is utilized to automatically clean the filter screen; the filter screen is not detached for cleaning and no cleaning system is additionally arranged; the degree of automation is high; the hydraulic motor supplies power through the filtering liquid passing through the water inlet pipe; the electric energy is saved.

The invention relates to the field of separators and particularly relates to a multifunctional magnetic separator. According to the multifunctional magnetic separator, a conveying device drives a conveying belt and a soft magnetic belt to move synchronously; the forward transport of plant feedstock, plant raw materials to be screened pass through the upper part of the soft magnetic tape as much as possible through the confluence plate; the soft magnetic tape can adsorb magnetic substances in plant raw materials on the soft magnetic tape; the magnetic substance stripping plate can scrape off magnetic substances adsorbed on the surface of the soft magnetic tape; the adsorbed magnetic substances are effectively ensured not to influence the subsequent screening of plant raw materials; the conveying device is simple in structure and convenient for the magnetic separator to continuously work, adsorbed magnetic substances can be cleaned without shutdown, the plant raw material screening efficiency is improved, the conveying device can scrape off the magnetic substances on the soft magnetic belt in real time while conveying plant raw materials, the vegetable oil production and processingcost is saved, and the processing efficiency is improved.

The invention provides a waste water recycling reusing device used for intelligent buildings, and belongs to the field of intelligent building. The waste water recycling reusing device used for intelligent buildings comprises a tank body; the bottom of the tank body are fixedly provided with bottom feet; the top of the tank body is communicated with a liquid inlet pipe; a liquid outlet pipe is communicated with the side wall of the tank body close to the bottom of the tank body. In applications of the waste water recycling reusing device, when it is needed to clean foreign matters accumulatedon the top of filter parts, a collecting tank is pressed downward so that one side of each filter part in the tank body is driven to move upward, a pull rod is driven to move, inserting rods are driven to move, and a slide rod is driven to slide, the surface of a filter plate is brushed by a brush, the foreign matters accumulated on the top of the filter parts are transferred into the collecting tank; operation is simple and convenient, filtering efficiency is convenient to increase, two filter parts are adopted, filtering and treating of the foreign matters can be realized at the same time, filtering is not influenced, and efficiency is higher.

The invention relates to the field of drilling instruments and meters. The utility model further discloses a drilling fluid cup assembly for the drilling engineering filtration instrument. The drilling fluid cup assembly comprises a drilling fluid cup, a lower cup cover, a filtrate hole, an upper cup cover, a rotating shaft main body, a rotating shaft and a stirring shaft, the rotating shaft mainbody, the rotating shaft and the stirring shaft form an internal stirring mechanism, a filter screen piece located below the stirring shaft is fixed to the bottom of an inner cavity of the drilling fluid cup, and the filter screen piece is designed to be cylindrical. According to the invention, the filter screen arranged at the bottom of the drilling fluid cup is replaced by the cylindrical filterscreen piece; the drilling fluid is filtered on two sides and at the bottom of the filter screen piece; and through rotation of the spiral blades, filter residues located at the bottom of the filterscreen piece move upwards, it is ensured that the filter residues do not influence subsequent drilling fluid filtration, the accuracy of the drilling fluid filtration amount is improved, the inner wall of the filter screen piece is swept when the spiral blades rotate, the spiral blades are not blocked by the filter residues, and the drilling fluid filtration efficiency is improved.

A printing ink filtering device comprises a filtering cylinder; an outer ink cavity and an inner ink cavity are concentrically formed in the filtering cylinder and communicated through a cylindrical screen; a rotating shaft is arranged in the inner ink cavity; stirring blades are arranged on the rotating shaft and comprise supporting frames and flexible scraping pieces; a containing cavity is formed in each supporting frame, the top of each containing cavity is of a cambered surface structure, and the bottom of each containing cavity is of a flat plate structure; screen holes communicated with the inner ink cavity are formed in the tops and the bottoms of the containing cavities; notches are formed in the ends, close to the cylindrical screen, of the containing cavities, and a gap is formed between each notch and the cylindrical screen; and the flexible scraping pieces are arranged in the containing cavities, one end of each flexible scraping piece is a fixed end, and the other end of each flexible scraping piece is a free end. The device is unique in structure, and can realize self-cleaning and high-efficiency filtration without affecting production.

The invention belongs to the technical field of sewage treatment, particularly relates to an oilfield produced water treatment system, and particularly relates to a pipeline-type combined automatic sewage filtering device and a method thereof. The device comprises a filtering unit, a filtering water inlet unit, a filtering water outlet unit, a backwashing water inlet unit, a backwashing water outlet unit, a pollution discharge unit and a control unit; wherein the filtering water inlet unit, the filtering water outlet unit, the backwashing water inlet unit, the backwashing water outlet unit andthe pollution discharge unit are connected with the filtering unit, and a controller controls the filtering unit, the filtering water inlet unit, the filtering water outlet unit, the backwashing water inlet unit, the backwashing water outlet unit and the pollution discharge unit. The number and the layout of the filter units and the number of the filters can be determined according to the size and the shape of a test site, and the problem that field installation and layout of the filters are limited is solved; backwashing of the filter unit and replacement of the filter screen and a filter material are carried out independently, filtration of other filter units is not affected, and continuity of whole sewage treatment is guaranteed.

The invention discloses a honey cold-pressing device. The honey cold-pressing device comprises a casing, a pressing cylinder which is disposed inside the casing, a second filter net, a centrifugal cylinder and a collecting cylinder, wherein the pressing cylinder comprises a spiral extrusion shaft and a first filter net sleeves the spiral extrusion shaft, the spiral extrusion shaft is connected toa first drive motor, the second filter net is disposed below the pressing cylinder, and is of an inverted taper shape, and a hanger rod for hanging the second filter net is arranged in the second filter net; the hanger rod is connected to a second drive motor, the second filter net is divided into a first part and a second part, and the centrifuge cylinder is disposed below the second filter net;and the second part of the second filter net is inserted into the centrifugal cylinder, the centrifugal cylinder is connected to a third drive motor, and the collecting cylinder is disposed below thecentrifugal cylinder and used for collecting honey obtained after filtration and separation. Through the device, nutrients in the honey can be retained, and efficient filtration of the honey can be conducted.

The invention relates to a large-flow continuous discharge sewage treatment system. The system comprises a water inlet pipe, the water inlet pipe is connected with two filter pipes, a plurality of filtering holes are formed in the pipe walls of the two filter pipes, a first filter tank is arranged on the lower side of the water inlet pipe, the lower ends of the two filter pipes penetrate through the bottom of the first filter tank, a U-shaped connecting pipe is connected between the lower end parts of the two filter pipes, a residue discharging pipe is arranged at the bottom of the U-shaped connecting pipe, a sealing cover is installed at the lower end of the residue discharging pipe, an output main pipeline is connected to the exterior of the first filter tank, at least two branch pipes are connected to the output main pipeline, second filter tanks are connected to the branch pipes, filtering frames are embedded into the second filtering tanks, the side faces of the filtering frames are in an L shape, and water discharging pipes are connected to the exteriors of the second filtering tanks. The high-flow continuous discharge sewage treatment system is high in filtering efficiency.

The invention discloses an intelligent construction site dust-settling system, comprising a plurality of movable dust-cleaning apparatuses and a general control machine; each movable dust-cleaning apparatus comprises a vehicle body, a sucking pump mounting tank, a sucking pump, a filter tank and a water tank; each vehicle body is provided with a controller and a dust concentration sensor, the dustconcentration sensor is connected with the controller, the controller is connected with the general control machine through a transmitter, the general control machine is further connected with a display and an alertor; the top of each vehicle body is provided with the sucking pump mounting tank, the sucking pump mounting tank is internally connected with the sucking pump in a sliding manner, theinner wall of the sucking pump mounting tank is connected with sound insulation cotton by glue, and the left end part of the sucking pump mounting tank is magnetically connected with a door sheet; anair inlet pipe of the sucking pump is communicated with the left end part of the filter tank through a rubber corrugated pipe which is in threaded connection with the sucking pump, and an air outlet pipe is in threaded connection with a hosepipe which is connected with a hollow porous sphere with glue at the free end part by a conduit; the intelligent construction site dust-settling system not only can perform dust-cleaning treatment on the air in a construction site with a relatively good dust-cleaning effect, but also can reduce the noise produced by the dust-cleaning apparatuses.