58results about How to "Function as a filter" patented technology

A two-in-one paper fiber powder activated charcoal filter element comprises at least three filtering layers which are in sleeve joint coaxially and tightly, the three layers sequentially comprise an inner layer, namely a PP (Propene Polymer) filter element which is tubular, an intermediate layer, namely a two-in-one paper fiber powder activated charcoal kryptol which is tubular and sleeved outside the PP filter element, an outer layer, namely a fixed protective layer sleeved outside the two-in-one paper fiber powder activated charcoal kryptol, as well as an end cover which is used for sealing the two ends of each filtering layer of two-in-one paper fiber powder activated charcoal filter element, from inside out. According to the invention, paper fiber is taken as main raw material, activated charcoal powder is added, the advantage of strong adsorbability of activated charcoal powder and the character of branching and tangling of the paper fiber are utilized in a combined manner, and the defects of reeled winding form and incapability of resisting long time soaking in the prior art can be overcome.

The invention discloses a deep filter element with a crude and fine fiber mixed structure. The deep filter element at least comprises two filtering layers; each filtering layer comprises a crude fiberset and a fine fiber set which are interwoven with each other; the average diameter of the crude fiber set of each filtering layer is reduced from the outer side to the inner side; the average diameter of the fine fiber set of each filtering layer is reduced from the outer side to the inner side; the fiber diameter of the fine fiber set of the innermost filtering layer is not larger than 1 micrometer; the fiber diameter of the crude fiber set of the outermost filtering layer is not smaller than 5 micrometers. The invention further discloses a preparation method of the deep filter element withthe crude and fine fiber mixed structure. The preparation method comprises the following steps of: 1) melt spinning; and 2) receiving a finished screen. The crude coarse fiber sets play a role in bonding the fine fiber sets and play a role in supporting, and therefore, the filter element is prevented from being compressed in a using process, and a dirt containing amount is increased, the fine fiber sets play a role in filtering and intercepting, so that filtering precision is improved, and the filter element has the functions of high filtering precision, high dirt containing capacity and longservice life and is good in filtering effect.

The invention relates to a magnetic well device for purifying high-temperature liquid metal, which comprises a permanent magnet, a magnet yoke, separation space and an armature, wherein an arch magnetism gathering medium silk screen with the arc length larger than a semicircle is arranged in the separation space in a staggered way, and is formed by magnetic stainless steel furs and non-magnetic stainless steel wires; for a magnetic field direction and a liquid metal flowing direction, the magnetic stainless steel furs are vertical to the two directions, and the non-magnetic stainless steel wires are in parallel to the magnetic field direction and vertical to the liquid metal flowing direction; and the armature, the permanent magnet and the magnet yoke form a closed magnetic circuit so as to be convenient to postprocess. The magnetic well device for purifying the high-temperature liquid metal has a simple structure and reasonable arrangement, is convenient to manufacture, is simple and easy to postprocess, and is an energy-saving high-gradient magnetic force purification device applied to the high-temperature liquid metal.

A capturing device for magnetic impurities in liquid metal comprises a magnetic field system, a wire net, a crucible, a smelting tank, a sealing system, a fastening connecting rod, a support platform, a motor, a belt and a gas passageway; permanent magnets in the magnetic field system are placed in limit slide blocks on a guide rail and provide a magnetic field through a magnetic yoke; the crucible is arranged in the smelting tank as a liquid metal container; the wire net is vertically arranged in liquid metal through a rotating shaft; the sealing system comprises a sealing flange, the rotating shaft, a copper sleeve and a sealing oil trough; the position of the wire net in the liquid metal can be changed by adjusting the lifting height of the rotating shaft, and the fastening connecting rod is fixed through a fastening screw so as to fix the rotating shaft; the motor drives the rotating shaft through the belt; and the gas passageway is arranged at the upper end of the sealing oil trough and is used for allowing liquid metal protective gas to pass in and out. The capturing device for magnetic impurities can be used for simulating part of working parameters of magnetic traps in liquid metal and capturing magnetic impurities and is a simple and effective device for research on action of magnetic impurities in liquid metal.

The invention discloses a two-stage groove type distributing device provided with a pressure stabilizing plate and used for thin-layer drying equipment. A two-stage distributing mechanism comprises arectangular overflow groove, a U-shaped main groove, a flow stabilizing plate, a liquid conveying header pipe and liquid conveying pipes; the rectangular overflow groove is formed in the upper end ofa drying rotary column; the U-shaped main groove is formed in the upper end of the rectangular overflow groove; the flow stabilizing plate is arranged in the U-shaped main groove; a liquid conveying header pipe is arranged on one side of the U-shaped main groove; the plurality of liquid conveying pipes are arranged between the liquid conveying header pipe and the U-shaped main groove; and one endof each liquid conveying pipe penetrates into the U-shaped main groove; According to the two-stage distributing mechanism, on one hand, mother liquor descending kinetic energy is relieved, so that thetwo-stage d distributing mechanism is prevented from being directly impacted by large-flow mother liquor; on the other hand, feed liquid splashing caused by sharp fluctuation of the liquid level is avoided, the distribution uniformity of the mother liquor is effectively improved; and a complete, uniform and stable liquid film can be rapidly formed on the outer surface of a drying rotary column under the action of the gravity and surface tension of the mother liquor and the centrifugal force of the drying rotary column.

The invention relates to a mobile phone auto-answer method. The method comprises the steps: (1) setting user-defined color ring back tones for all incoming calls; (2) receiving radio-frequency signals, and enabling a terminal transmitting the radio-frequency signals to be matched with contacts in a local phone contact list; (3) judging whether the terminal is a contact in the local phone contact list or not according to a matching result; (4) judging whether user-defined color ring back tones are set for the contact or not, playing the color ring back tones for the contact if the user-defined color ring back tones are set for the contact, and playing call waiting warning tones if the user-defined color ring back tones are not set for the contact; (5) judging whether the transmitting terminal appears for the first time or not, playing color ring back tones for a stranger if the transmitting terminal appears for the first time, judging whether contact color ring back tones among the user-defined color ring back tones are set for the terminal or not if the transmitting terminal does not appear for the first time, playing the contact color ring back tones if the contact color ring back tones among the user-defined color ring back tones are set for the terminal, and playing the call waiting warning tones provided by an operator if the contact color ring back tones among the user-defined color ring back tones are not set for the terminal. The mobile phone auto-answer method provided by the invention can be used for carrying out preliminary filtering on the incoming calls without any cost.

The invention provides a multi-function fecal cleaning device for electric automatic breeding. The multi-function fecal cleaning device for electric automatic breeding includes a breeding room, a longitudinal U-shaped frame, a longitudinal baffle, a connecting frame, a lifting cylinder, a guide plate, a fecal storage tank, an odor discharge frame structure, a lateral sliding chute, a fresh air introducing frame structure, a fresh air entering protective frame structure, a water storage tank, a water suction pump, a water suction pipe, a high-pressure spray head, a forward and reverse motor, adriving gear, a transmission chain, a mobile cleaning frame structure, a mounting frame, a controller, a power switch and a driven gear; and the bolts of the longitudinal U-shaped frame are installedat the left and right ends of the breeding room. According to the invention, synchronous motor bolts are installed on one end of a rectangular hollow frame away from a rotating tube, and the output shaft and the rotating tube are connected by a key, which is beneficial to increase the cleaning effect on the ground of the breeding room; and an exhaust fan is arranged on the inside of the introducing frame, and meanwhile, the bolt is installed on the left side of a stainless steel mesh plate, which is conducive to adding fresh air to the breeding room, and can improve the air quality and oxygencontent in the breeding room.

The invention relates to an automatic valve core component and a differential pressure-independent type flow control valve and belongs to the technical field of balance valves. The automatic valve core component comprises a pressure-sensitive diaphragm, a compressing disc, a regulating valve core and a valve core sleeve, wherein the valve core sleeve is of a cylinder multi-boss sleeve structure, a water guiding hole is formed in the upper end face of the valve core sleeve, the regulating valve core is of a cylinder sleeve structure provided with steps, a thin-wall cutting edge is formed in the upper end face of the regulating valve core, a groove is formed in the lower end of the regulating valve core, the groove is matched with an intermediate hole boss of the pressure-sensitive diaphragm, and the groove runs through a center hole of the pressure-sensitive diaphragm to the compressing disc below the pressure-sensitive diaphragm; and the valve core sleeve sheathes on the outer wall of the regulating valve core. The automatic valve core component provided by the invention has the advantages of high regulation precision, small size, no influence on flow and guarantee of independent implementation of regulating and closing functions.

The invention provides an intelligent large cement foaming machine which comprises a bottom plate, moving wheels, a supporting frame, a foaming tank, a discharging head, a flap valve, a conveying pipe, a sealing plate, an overturning plate, a rack, a stirring frame, a rotating motor, a suction pump, a connecting hose, a PLC, a switch, an auxiliary filter box structure, an auxiliary conveying box structure, a sampling observation pipe frame structure and a noise reduction protection cover structure. The moving wheels are installed on the periphery of the lower surface of the bottom plate through bolts. The supporting frame is welded to the periphery of the upper surface of the bottom plate, and the foaming tank is welded to the upper end of the supporting frame. The discharging head is welded in the middle of the lower end of the foaming tank; and the flap valve is connected to the lower end of the discharging head through a flange. The intelligent large cement foaming machine has the beneficial effects that due to the arrangement of the auxiliary filter box structure, when cement is discharged, the function of filtering impurities through a nylon filter screen can be achieved, andthen the functionality of the cement is improved.

The invention belongs to the technical field of dust removers, and particularly discloses a built-in wall-mounted dust collector for graphite production. The dust collector comprises a box body and aconnecting plate; a sound absorption layer is arranged above the box body; a connecting pipe is arranged below a fan; a spray head is arranged on the left side of a guide opening; the front end of theconnecting pipe is movably connected with a dust inlet pipe; a filter screen is arranged in a dust conveying pipe; the connecting plate is positioned on the right side of the box body; the rear end of a sliding block is connected with a fixing plate. According to the built-in wall-mounted dust remover for graphite production, compared with an existing common graphite production dust removal device, through the arrangement of the connecting plate, the sliding block and the fixing plate, the connecting plate and the fixing plate form a sliding structure through the sliding block, the box body is mounted on the fixing plate in a sliding mode and then mounted in a wall-mounted mode through the mounting plate, the labor and time for carrying the device at ordinary times are saved through the wall-mounted structure, only the sliding block needs to be moved, connection is firm, and dust removal operation is not affected.

A contaminated soil in-situ circulation leaching treatment method adopting an electrochemical treatment leacheate comprises the following steps that firstly, an electrochemical reactor is arranged on a contaminated soil ground, the upper portion of the chemical reactor is open, the leacheate enters from the upper portion, and the upper portion of the chemical reactor is open; the bottom of the electrochemical reactor is communicated with a leacheate discharge pipe network arranged in the polluted soil through a discharge pipe; 2, after entering the contaminated soil, the leacheate absorbs pollutants in the soil and then is enriched in a water collecting well, and then the leacheate in the water collecting well is sent back into the electrochemical reactor through a sewage pump, so that circulation of the leacheate is achieved; and step 3, after the leacheate is circulated stably, electrifying the positive electrode plate and the negative electrode plate to enrich heavy metal ions in the leacheate and degrade organic pollutants so as to realize efficient circulating operation of the leacheate. The leacheate subjected to electrochemical treatment enters the leacheate discharge pipe network system below again, so that efficient cyclic utilization of the leacheate is realized.

The invention discloses crushing and screening equipment for construction waste. The crushing and screening equipment comprises a crushing box body, a crushing mechanism and a feeding pipe; the crushing mechanism comprises a fixing box, an air cylinder, a swing rod sliding mechanism and a crushing component; a feeding opening is formed in the feeding pipe, a dust prevention mechanism used for limiting dust flying at the feeding opening is installed in the feeding pipe, wherein a screening mechanism is arranged in the crushing box body; the screening mechanism comprises a motor, a transmission shaft, a first-stage screening plate and a second-stage screening plate; the transmission shaft is sleeved with a transmission assembly; and the second-stage screening plate is obliquely arranged in the crushing box body. Due to the fact that the dust prevention mechanism and the screening mechanism are arranged in the device, construction waste dust at the position of the feeding pipe can be effectively prevented from rising all around, the screening function on construction waste is achieved, and the screening work efficiency is improved.