10318 results about "Screen filter" patented technology

The invention provides an electric oven and an oil fume odor purification device control method. The electric oven comprises a cavity and an oil fume odor purification device which comprises a draughtfan and a filter screen used for filtering oil fume and odor, an exhaust port is formed in the cavity wall of the cavity, the filter screen is installed at the exhaust port, and the draught fan is installed near the filter screen and used for discharging the oil fume in the cavity out of the cavity from the exhaust port and makes the oil fume flow through the filter screen. According to the screen, the oil fume odor purification device of the electric oven comprises the draught fan and the filter screen, the filter screen is installed at the exhaust port of the cavity, in the food heating process of the electric oven, the draught fan works to make gas in the cavity pass through the exhaust port and the filter screen, the filter screen filters out the oil fume and odor in the gas, and filtered gas enters a room and cannot pollute indoor air, so that bad feeling cannot be brought to a user, and the degree of satisfaction of the user on products can be improved.

The embodiment of the invention provides a video bullet screen filtering method and device. One specific embodiment of the method comprises the following steps: acquiring a current video bullet screen text to be pushed and target users; judging whether the target users already set filtering conditions or not; when the target users already set the filtering conditions, performing semantic analysis on the current video bullet screen text to be pushed through a preset semantic analysis method, and determining a semantic frame of the current video bullet screen text; calculating semantic similarities between the semantic frame of the current video bullet screen text and semantic frames for filtering according to the semantic frame of the current video bullet screen text and at least one semantic frame for filtering; and determining whether to filter the current video bullet screen or not for the target users on the basis of the semantic similarities. Through the embodiment, user operations can be simplified, and the video bullet screen filtering efficiency is increased.

Improved screen filter modules, related compartmentalized filtration modules, and related filtration processes, suitable for filtering fluid to eliminate suspended particulate matter, such as living cells or microcarriers anchoring living cells, or to separate particulate matter based on size. The improvement is the presence of a barrier that channels redirected filtrate to the portion of the filter most susceptible to clogging by the particulate matter and induces flow patterns that act against clogging.

A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an organic absorber floats on the water as it is collected in the basin, and a discharge plate has a series of slots which are sized to regulate the flow rate of discharge of the water from the basin for removal through an outlet at the lower end of the chamber. The method and apparatus are conformable for use with existing storm drain systems along curbs or gutters as well as parking lots, runways and the like.

The invention discloses an ethylene propylene rubber insulation material for longitudinal high-voltage watertight cables of ships and warships and a production method thereof. The method comprises the following steps: adding the ethylen e-propylene-diene mischpolymere, age resister and fire retardant into a banbury for banburying for 3.5min; adding argil, white carbon black and paraffin wax for continued banburying for 2min; adding active agent, and discharging after banburying for 1.5min; filtering the rubber compound with a three-layer filter screen (namely a 60 mesh filter screen, a 60 mesh filter screen and a 80 mesh filter screen) on a rubber filter; and beating into cornucopla on a double-roller mill, adding vulcanizer and co-crosslinker, then beating into cornucopla for 7 times, grinding and slicing after finishing the steps, and then cooling, wherein the materials are as follows in parts by weight: 100 parts of ethylen e-propylene-diene mischpolymere, 1-5 parts of vulcanizer, 1-4 parts of age resister, 15-70 parts of fire retardant, 0.5-10 parts of active agent, 10-20 parts of argil and 2-4 parts of paraffin. The prepared insulation material has the characteristics of low smoke, no halogen, fire resistance, high machinery strengthen, and high insulation resistance, good flexibility, elasticity and viscosity, and can be used for the ships and warships.

A safety and guide type brewing kettle includes a kettle body, a water stopper, a screen filter, and a retention disk. The kettle body has a cove that forms a flow guide plate for guiding liquid droplets formed on the cover into the kettle body. The kettle body has a bottom forming a through bore that receives therein a plug, which forms a through hole and an engagement section. The water stopper is arranged to block the through hole for eliminating undesired leaking. The kettle body has a lower circumference forming a projecting wall that forms legs to enclose and stably hold the kettle body. The kettle body forms at least one locking section, which engages an upper side of the screen filter. The screen filter forms a grip section that facilitates assembling/disassembling and cleaning. The screen filter forms a positioning section for positioning the water stopper.

Disclosed is a floor scrubber with a drying function. A chassis of the floor scrubber is provided with at least one scrubbing disc, each scrubbing disc is provided with a suction port in the middle, at least one of bristles, scrubbing pieces or strips is arranged on the scrubbing discs in a centripetal rotating manner, and the suction ports are directly communicated with an impeller throat through a suction passage. The floor scrubber comprises a watering mechanism composed of a clean water tank, a water pump and sprayers, and a sewage collection mechanism composed of a sewage collection trough and a sewage tank, wherein the sewage collection trough is arranged in the periphery of the impeller. The watering mechanism is in charge of watering, the scrubbing discs are in charge of scrubbing and driving sewage to the suction ports in the middle, the impeller generates negative pressure to suck the sewage in, the sewage collection mechanism is used for collecting sewage sprayed by the impeller. Airflow with the sewage does not need to pass a filter screen before entering the impeller, and the sewage discharged by the impeller is discharged without passing a narrow passage.

The invention relates to a crushing device, in particular to an agricultural soil block crushing device. The agricultural soil block crushing device is capable of achieving crushing easily, convenient to operate and high in crushing speed. The agricultural soil block crushing device comprises a bottom plate, a collection box, a right frame, electric wheels, pulling ropes, sliding blocks, springs I, sliding rails, a steel wire rope II, a rolling wheel I, a top plate, a left frame, a filter screen III, a connecting rod, a filter screen II, a steel wire rope I, springs II, a filter screen I, a pressing block and a rolling wheel II. The left frame, the collection box and the right frame are arranged at the top of the bottom plate from left to right in sequence. The top plate is arranged at the top of the right side of the left frame. The rolling wheel II and the rolling wheel I are sequentially arranged at the bottom of the top plate from left to right. The filter screen I is connected to the upper portion of the right side of the left frame. By the adoption of the agricultural soil block crushing device, the effects that crushing is easy, operation is convenient and the crushing speed is high are achieved, and soil blocks can be crushed rapidly.

The product is a seamless sintered woven wire well screen assembly concentrically mounted on a perforated or slotted mandrel. The seamless sintered woven wire screen can either be used as a component screen apparatus or as a primary screen filter element. In use as a component screen application, the seamless sintered woven wire screen provides a filter reinforcement to a primary filter, or filter housing or shroud device that protects the component screen from physical or mechanical damage during installation. In this configuration two (2) usually different and separate filter devices are combined. In use as a primary screen element no other means other than the seamless woven wire screen is involved in prohibiting unconsolidated sand production from the wellbore. The well screen relates generally to completing downhole wells, and in particular to well screens for filtering unconsolidated material out of inflowing well fluid in water, oil, gas, and recovery wells.

The invention discloses potyurethane-based water-soluble ink. The ink consists of the following compositions in percentage by mass: 50 to 58 percent of water-soluble potyurethane emulsion, 38 to 46 percent of water-soluble color sizing, 1 to 1.5 percent of wetting agent, 1 to 2 percent of surface active agent and 1.5 to 2 percent of defoaming agent; the total mass is 100 percent. The invention also discloses a method for making the potyurethane-based water-soluble ink; firstly, water-soluble potyurethane emulsion, water-soluble color sizing, wetting agent, surface active agent and defoaming agent with 100 percent of the total mass are weighed according to the mass percentage; secondly, the total weighed compositions are mixed and stirred for 1 to 1.5 hour; finally, the total compositions are filtered by a filter screen with 120 meshes, thereby obtaining the ink. The water-soluble ink can solve the disadvantages of imperfect water resistance, poor glossiness and other performances of the prior water-soluble ink, has good water resistance, wearing resistance and glossiness, strong adhesive force, simple process and convenient facture and can meet the need of high-grade water-soluble printing.

The invention discloses a filtering and impurity removing device for sewage treatment. The invention relates to the technical field of sewage treatment. The device comprises a supporting frame, a threaded rod is rotationally installed on the supporting frame, a reversing mechanism used for driving the threaded rod to rotate clockwise and anticlockwise alternately is arranged on the supporting frame, a double-shaft motor is fixed to the bottom in the supporting frame, and a lifting mechanism used for driving a water tank to adjust the vertical height is connected to the double-shaft motor in adriving mode. The reversing mechanism can drive the threaded rod to alternately rotate clockwise and anticlockwise, and the threaded rod drives a threaded sleeve block to enable a scraping mechanism to collect and filter floating objects on the surface of sewage in the water tank. Arranged pushing wheels can push a mesh basket, so that the mesh basket rotates to pour floating objects in the mesh basket into a collecting tank, and a rapid cleaning effect for the floating objects is achieved. An arranged cleaning mechanism can conduct transverse back-and-forth scraping action on a filter screen,it is guaranteed that meshes in the filter screen are not blocked, and the efficient filtering effect of the filter screen on insoluble impurities in sewage is improved.

The invention relates to a full-automatic filter element winding machine which comprises a filter element paper unreeling mechanism, an adhesive-dispensing cutting mechanism, a clamping drive mechanism, a three-dimensional lifting platform, a filter screen jacking mechanism, an oblique jacking and discharging mechanism and a central control cabinet. A filter paper clamping traction device adjusts the filter element paper position corresponding to the inlet point adhesive-dispensing cutting mechanism and performs filter element paper traction. An adhesive-dispensing of the adhesive-dispensing cutting mechanism performs adhesive dispensing on filter element paper, and the filter element paper is cut off through the cutting device after winding is completed. The filter screen jacking mechanism lifts a filter element screen to the clamping drive mechanism. The clamping drive mechanism is used for clamping the filter element screen and drives the filter element screen to rotate and to be wounded with the filter element paper. The filter element screen completing winding through the clamping drive mechanism drops to the oblique jacking and discharging mechanism and is moved out of a winding machine through the oblique jacking and discharging mechanism. The full-automatic filter element winding machine has a full-automatic multi-azimuth adjusting function, completely replaces manual operation to wind the filter paper on the filter element screen, production efficiency and product quality are improved, and production cost is reduced.

The invention relates to a method for filtering and separating suspended maters from water and a filtering device used in the method. According to the concrete technology, a filter screen of the filtering device is directly arranged in water flow in a water flow channel; the included angle a is formed between the filtering surface of the filter screen and the water flow direction of the surface of the filtering surface, wherein the included angle a can be an acute angle between 0 and 70 DEG or an obtuse angle between 110 DEG C and180 DEG; and the filter screen of the device and different water flow channels form different cross flow filtering systems. The method and device provided by the invention can be widely applied to lake blue-green algae, sewer liquid dung, sewage treatment plants and vegetable drug extraction.

The invention provides a wet-type dust-capturing wind current cooling device mounted at a head-on rear position of a mining working face mining machine, connected with an outlet end of a polluted wind pumping canister and comprising a cover shell, and a spray dedusting device, a cyclone centrifugal dedusting device, a dust screen filtering device, an air cooling type heat exchanger and a baffle plate demister which are connected in order inside the cover shell; positions of the cover shell walls below the cyclone centrifugal dedusting device and the baffle plate demister are respectively provided with drainage pipe ports. Fully-mechanized excavating working face dust capturing and wind current cooling works are combined together, with a treatment mode of firstly dust capturing and then wind current cooling, polluted wind is firstly subjected to multi-stage dust capturing treatment and then is demisted and cooled, the working face wind current temperature is controlled in a suitable temperature, a safe and comfortable working environment of the down-hole working face is ensured, and the problems of high temperature and high dust of the mine mining working face are better solved.

A non-powered drain pump screen device is disposed in a river, a stream, a waterway, or a place in which a significant amount soil is carried by a water flow. Upper and lower impellers are provided with upper and lower blades. The lower blades prevent reentry of impurities while rotating due to resistance to a flow of fluid in a non-powered manner. The upper impellers are rotated in a non-powered manner, so that the upper blades filter impurities. The non-powered drain pump screen device is disposed in a waterway to remove impurities at low maintenance costs.

Disclosed is an automatic dust-removing and cleaning device for a filter net of an air-conditioner which has a filter net (2) with an end to end sealing ring structure. The filter net (2) comprises a net frame (21) provided with gear sockets (211), and a mesh (22). A driving gear (5) is installed at one corner of an air inlet frame (1) of the air conditioner and meshed with the gear sockets (211) of the net frame (21). Driven gears (6) are installed at the other three corners of the air inlet frame (1) of the air conditioner and meshed with the gear sockets (211) of the net frame (21). A drive mechanism (12) drives the driving gear (5) to rotate. A dust-collecting box (3) is installed at the bottom of the air inlet frame (1) of the air conditioner and provided with a water inlet and a water outlet. The water inlet is connected to a water inlet pipe (8) and the water outlet is connected to a water outlet pipe (9). A dust removing brush (4) is installed on the dust-collecting box (3), located below the filter net (2) and in contact with the filter net (2) simultaneously.

The embodiment of the invention discloses a bullet screen release method and device. The method comprises the steps of receiving bullet screen release triggering operation at a preset moment; displaying bullet screen input prompt information; when bullet screen input prompt is responded, obtaining bullet screen information; filtering the bullet screen information according to a preset filtering rule and obtaining a bullet screen filtering result; and releasing the filtering result according to a preset style. Through application of the technical scheme, the technical problem that a process of releasing bullet screens on a smart television is tedious and sensitive information cannot be filtered is solved, and the smart television video bullet screens are released rapidly and safely.