410results about How to "Fast filtering" patented technology

A flexible pipe type filter is composed of at least one filter element consisting of at least one membrane module comprising at least one membrane unit, raw liquid delivering system, pressure generator for pressing the flexible membrane units to remove clean liquid from raw liquid, filtrate draining system filtered dregs discharging system and control system. Its advantages are high filtering speed and dry dregs.

The invention discloses a rapid and high-accuracy junk mail filtering method, which relates to a processing method of electronic mails. The method comprises the steps of firstly preprocessing all received mails and extracting the feature information of the mails, then comparing the feature information of the mails with a junk mail filtering database to find out whether a mail the same to a mail in the database or smaller than a certain threshold exists, judging the mail to be a similar mail with a mail in the database if the mail exists, and marking the mail as a junk mail, and recording the repeated emergency of the feature of the mail, or judging the mail as a normal mail and adding the feature information of the mail to the junk mail filtering information database. The method also comprises the steps of accessing mail data, preprocessing mails, extracting mail features, importing weights, detecting whether a mail is a junk mail and the like. The method can improve the recognition speed and the filtering accuracy of junk mails, and has the characteristics of high filtering speed, high accuracy rate, wide application situations and the like.

The invention discloses kitchen waste filtrate treatment equipment and method. The treatment method comprises the steps that the kitchen filtrate firstly enters an oil separation tank used for separating oil substances from water substances; the water after separation is converged into a regulating tank and the water quality and quantity are regulated; the effluent enters a reaction tank, PAC (polyaluminium chloride) and PAM (polyacrylamide) are added to the effluent, so that fine particles in the water form a plenty of alum flocs, and then the alum flocs precipitate to be separated in a precipitation tank, thus removing most oil and scum; the effluent from the precipitation tank automatically flows into a neutralization tank, the pH value is regulated to neutral and then the effluent enters a pressure dissolved air floatation tank used for removing the scum formed by the flocculated suspended matter particles or oil particles brought on the water surface from the wastewater; then the pollutants such as organic matters, ammonia nitrogen and the like are removed by the pretreatment+anaerobic+aerobic precipitation+sand filtration technology of an exclusively added backflow sludge contact reactor; finally the wastewater reaches discharge standard.

The invention relates to a production method of a highly stable and biodegradable double-network oil-water separation net membrane. A copper net with the surface having a nanosheet rough structure after oxidation treatment is adopted as a substrate support material, natural polyose substances sodium alginate and chitosan having the advantages of high hydrophilicity, good salt resistance and biodegradability are used as main body glue-forming materials, and an inner layer chitosan network is partially crosslinked by a natural biological cross-linking agent genipin to make the inner layer chitosan network fixed on the copper net substrate and keep the flexibility of the network structure of the chitosan; and an outer sodium alginate network is physically cross-linked and fixed by adopting divalent calcium ions, and the inner layer and the outer layer are self-assembled by electrostatic force and hydrogen bonds to form a double-layer network structure. The oil-water separation net membrane with the special double-network structure has the advantages of high oil-water separation efficiency, good resistance to oil stains, acids, alkalis and high-salt environments, high stability and good durability; and additionally, a coating layer formed by the net membrane is green and environmentally friendly, and is completely degradable.

The invention provides a method for producing a glucose bulk drug for injection by using rice. The method comprises the following steps of: soaking and defibrination, size mixing, liquefaction and slag removal, saccharification, primary decoloration and filtration, secondary decoloration and filtration, ion exchange, concentration and refining, primary crystallization, primary centrifugation, sugar solution, sugar concentration and decoloration, secondary sugar boiling and crystallization, secondary centrifugation, drying, packaging and the like. The method has the following advantages: (1), a two-time crystallization process is adopted, the quality is high, and a filtration speed is quick; (2), the problem that a raw material for producing an injection glucose in the south does not existis solved by using the rice as the raw material, and the blank of the production of a crystalline glucose in the south is filled; (3), the crystalline glucose produced by using the rice as the raw material has low-irritability in absorption property and is high in biological value; and (4), a breeding fermentation problem in a production procedure is solved successfully, the sugar concentration and the filtration are added, the quality of a finished product is greatly improved, and the clarity and the filtration speed of the product are guaranteed. The continuous feed and the continuous discharge can be carried out; the crystallization and fermentation contamination is stopped; the quality can be guaranteed; and the continuous production is guaranteed.

The invention discloses an extracting technology of avermectin, which comprises the following steps: blending dried mycelium of avermectin and carbinol or alcohol with weight rate at 1: 5-1: 10 in the immersing tank; stirring under 20-25 deg.c for 3-6h; filtering the filtrate under 0.1-0.6Mpa through filter membrane system with aperture at 10um-2nm; transmitting filtrate to semiproduct manufacturing system; returning partial residual liquid to immersing tank; entering the other half filtrate in the filter membrane circulating system through circulating pump; draining the slag in the immersing tank after filtering.

The invention discloses an extracting method for curcumin, comprising the following steps: pulverizing curcuma; pelleting the pulverized curcuma under the condition of introducing steam; and extracting particles obtained by pelleting with leach liquor. Since turmeric roots contain a large amount of starch which can be gelatinized in a manner of introducing steam for heating and has stickiness, thus the turmeric powder can be more compactly combined, has large rigidity, and is not easy to break; the prepared particles are provided with many micropores, and the solvent is easy to permeate, thus the extraction rate is high; and in addition, the gaps among the particles are larger than the gaps among the powdery materials, thus the solvent is more easy to permeate and the rate of filtration is high, thereby improving the extraction rate, the rate of filtration and the production efficiency.

The invention relates to a method for purifying cobalt solution which can decrease the organic matter content in the cobalt solution to less than 10ppm. The method comprises the step of removing the organic matter from the cobalt solution through solvent extraction, wherein the cobalt solution is obtained by acid leach, extraction and re-extraction; the solvent contains extracting agent; the extracting agent is 1-bromine-3-chloropropane, carbon trichloride, carbon tetrachloride or 1-bromine-2-chloroethane. The improvement in the invention is that the solvent also contains solid cobalt naphthenate, the mass of which is 0.01% to 0.1% of the extracting agent mass. The invention has the following advantages of efficiently decreasing the organic matter content in the cobalt solution, obtaining the cobalt chloride satisfying the lithium battery, lowering the consumption of the solvent which is easy to regenerate, making up the defect of using activated carbon, obviously promoting the recovery in the process of processing cobalt due to no cobalt salt loss in the solvent and promoting the use ratio of cobalt.

The invention aims to provide an efficient winterization device and an operation method of tea oil. The device is composed of a tank body, a condenser and a stirrer, wherein the tank body is provided with an oil inlet valve and an oil outlet valve; the condenser is used for condensing materials in the tank; and the stirrer is used for stirring the materials in the tank. The device is characterized by also comprising a seed crystal thrower for adding seed crystals. The winterization method has the following steps: injecting the materials into the tank body, cooling the materials at the temperature of 9 DEG C under a stirring condition, adopting the seed crystal thrower to throw a proper amount of seed crystals in the materials, and continuing to stir and cool; and preserving the temperature for above 24h when the temperature of the materials are cooled to 0 DEG C, heating the materials to 5 DEG C, discharging the materials from the oil outlet valve, and filtering to obtain filtrate as the product in the invention, wherein the seed crystals are solid powders difficultly soluble in the materials and difficult to produce chemical reactions with the materials. Due to trigger action, the seed crystals can accelerate freezing and crystallizing of saturated acid ester in the tea oil, and crystals are filtered out to realize tea oil purification, thus improving winterization processing efficiency of the tea oil.

The present invention relates to a production method of modified aluminium oxide. Said production method includes the following steps: A, selecting and using aluminium hydroxide whose crystalline form is alpha or beta, water-washing to remove impurity, adopting pneumatic drier to quickly dry said aluminium hydroxide; B, soaking the aluminium hydroxide in mixed solution formed from 5% acetic acid and 0.6% palladium chloride; C, water-washing and removing unreacted acetic acid and palladium chloride and pneumatically drying at 180deg.C; and D, activating the above-mentioned obtained product in rotary furnace at 650 deg.C and cooling so as to the invented finished product.

The invention discloses an expanded type liquid filter utensil. A filter sheet is arranged in the middle of the filter utensil; an inlet is arranged at the upper end of the filter utensil; an outlet is arranged at the lower end of the filter utensil; to-be-filtered liquid enters into the filter utensil from the inlet and flows out from the outlet after being filtered by the filter sheet; the filter utensil comprises a chassis, an upper part and a supporting net, wherein the supporting net is horizontally supported on an inner side wall of the chassis; the filter sheet is horizontally paved on the supporting net; and the edge of the filter sheet is hermetically clamped between the chassis and the upper part of the filter utensil. According to the expanded type liquid filter utensil, a piece of filtering paper is horizontally paved on the supporting net; the completely expanded filtering paper is utilized to filter; the use ratio of the filtering paper almost achieves 100%; the filtering speed is high; the filtering efficiency is high; besides, the to-be-filtered liquid is contained in the filter utensil; the volume of the once poured liquid is unlimited by the size of the filtering paper; and the operation is convenient.

The invention relates to the technical field of sludge treatment, in particular to a membrane filter press for sludge treatment. The membrane filter press for sludge treatment comprises a machine frame, a filter device and a hydraulic device, wherein the machine frame is provided with a cavity; the filter device is arranged in the cavity of the machine frame; the hydraulic device is arranged on the side of the machine frame; the filter device comprises a pressing plate, a membrane filter plate and filter cloth; the membrane filter plate is fixed in the cavity of the machine frame; the filter cloth is arranged along the upper end of the membrane filter plate and the lower end of the adjacent membrane filter plate; the pressing plate for tensioning the filter cloth is arranged on one side of the membrane filter plate; and a gap is reserved between the adjacent membrane filter plates. Compared with the prior art, the membrane filter press for sludge treatment is high in filter speed, good in separation effect and easy and convenient to operate, effectively reduces the water content of a mud cake, reduces consumption of water for industrial cleaning, reduces environmental pollution and reduces production cost.

The invention discloses a quick filter cake removing and filter cloth washing device for a filter press. A pressed plate is connected with a movable oil cylinder holder, two sides of the movable oil cylinder holder is equipped with the pulleys on the above of a main beam. The drive chain wheels are equipped with the driving shaft and are arranged on the two sides of the movable oil cylinder holder, the driven chain wheels equipped by the driven shaft and the connecting plate of two sides of the movable oil cylinder holder are connected by the chains; a thrust plunger is connected with a piston rod of a lifting hydraulic cylinder, thrust platforms are formed on the two sides of a main beam and are connected with thrust plungers; two ends of a filter spacing plate is connected with a positioning plate on a thrust plate and the pressed plate, the support bases are arranged on the thrust plate and the supporting legs; supporting legs are arranged on the supporting legs of the main beam; the support bases are connected with cross beam supports; a spray rod cross beam is arranged on the cross beam supports; a spray rod pin shaft is arranged to connect spray rod space plates; a pressure plate is provided with a positioning plate and is connected with a spray rod space plate; an elbow spray nozzle and an intermediate spray nozzle are arranged on a spray rod; the spray rod is provided with a cleaning hose to be connected with a cleaning pipe; a pipe support is arranged for mounting the cleaning pipe; the filter cloth is equipped with the sleeve on the filter cloth hanging rod, the filter cloth hanging rod is mounted on a filter cloth hanging rod groove; and the loser end of the filter cloth is provided with a filter cloth faller rod.

The invention relates to an ultrasonic filter, which comprises a filter tank, fiber filter materials, a water inlet pipe and a water outlet pipe, wherein a porous liner plate is arranged at the bottom of the filter tank; and the fiber filter materials are distributed on the porous liner plate at the bottom of the filter tank. The filer also comprises an ultrasonic generator, an ultrasonic transducer, an ultrasonic amplitude transformer, an ultrasonic probe and a square water distributor, wherein the square water distributor is connected with the water inlet pipe; the ultrasonic probe is arranged under the square water distributor; and the ultrasonic generator, the ultrasonic transducer and the amplitude transformer are connected with one another in turn, are arranged outside a filter tank body through a flanged disc, and are connected with the ultrasonic probe. Generating free radicals with strong oxidation in filtered water, the ultrasonic filter achieves the effect of high-efficiency sterilization and algae removal, and can effectively treat organic substances in the water which are difficult to degrade, thereby improving the treatment effect of the water quality and highly efficiently removing suspended substances, bacteria, algae, scale incrustation and other impurities in the water, and consequently comprehensively improving the water quality.

The invention belongs to the field of ore dressing chemicals and relates to a microorganism collector, namely rhodococcuserythropolis, which has double functions of flocculation and flotation against micro-fine-grained hematite and is used for separating the hematite in micro-fine-grained hematite ore. A method for separating the hematite in the micro-fine-grained hematite ore by using the rhodococcuserythropolis is characterized in that the rhodococcuserythropolis which has an obvious selective flocculation-flotation effect against the hematite is used for separating the hematite in the micro-fine-grained hematite ore in the method. The separation steps are as follows: firstly performing orientational culture on the rhodococcuserythropolis through the hematite to reinforce the selective effect against the hematite; and then separating the hermatite from the micro-fine-grained hematite ore through the well cultured rhodococcuserythropolis. Compared with the conventional collector of the hematite, the microorganism collector disclosed by the invention is not only low in using quantity of the chemical and pollution-free, but also fast in filtering speed of ore concentrate and low in loss of the micro-fine-grained hematite.

The invention discloses a method for preparing a regular cubic particle SAPO-34 (Silicoaluminophosphate-34) molecular sieve, wherein the method comprises the following steps of mixing a template agent with distilled water, sequentially adding a phosphorus source, a silicon source and an aluminum source, stirring the sources to form gel, preparing homogeneous gel by means of cutting the gel through a homogenizer, vacuumizing the homogenized gel, and ageing, crystallizing and activating the vacuumized homogeneous gel so as to obtain a white active molecular sieve. The regular cubic particle SAPO-34 molecular sieve prepared according to the method disclosed by the invention has the advantages of regular shape, easiness in recycling, low cost, high specific surface area, and better MTO (Methanol to Olefins) catalytic performance.

The invention relates to a high-strength pure polytetrafluoroethylene gradient coating filter material, which comprises base cloth, and is characterized in that the base cloth is a polytetrafluoroethylene base cloth; a polytetrafluoroethylene coarse fiber layer and a polytetrafluoroethylene superfine fiber layer are pricked on the polytetrafluoroethylene base cloth; and a polytetrafluoroethylene film is coated on the polytetrafluoroethylene superfine fiber layer. The high-strength pure polytetrafluoroethylene gradient coating filter material has the characteristics of high and low temperature resistance, high acid and alkaline resistance, high humidity resistance, good chemical stability, high filtration efficiency, quick filtration speed, long service life and the like, can be used in various bag-type dusters for flue gas purification, dust removal, dust treatment and material recovery, and has wide application scope.

The present invention relates to a ceramic film tube made of silicon carbide combined with oxide, which is composed of a film (1), a tube body (2) and a filtering frame (3). The integral materials of the ceramic film tube are processed with binder, surfactant, plasticizer, pore-forming agent and preservative. The fabrication processes of the ceramic film tube include the processing of tubular main body materials, the processing of auxiliary processing materials and filming materials. The weight portions of the tubular main body materials are as follows: 85 to 92 portions of silicon carbide, 6 to 12 portions of fine silicon powder, 0 to 5 portions of kaoline, 0 to 3 portions of powdered alumina and 0 to 5 portions of silica sol; the weight portions of the auxiliary processing materials: 0 to 3 portions of fine metallic silicon powder, 2 to 4 portions of binder, 2 to 4 portions of lubricant, 0 to 0.5 portions of surfactant, 0.5 to 1 portions of plasticizer, 3 to 5 portions of pore-forming agent, 0.1 to 0.5 portions of preservative and water; and the weight portions of the filming materials are as follows: 20 portions of fine Alpha Al2O3 powder, 70 portions of fine Al(OH)3 powder and 10 portions of kaoline. The ceramic film tube has the advantages of porosity larger than 40 percent, press resistance, bending resistance, good thermal stability, large strength, high filtering speed and good filtering effect. The ceramic film tube can be widely used in a filtering basin, a filter and other filtering devices.