1513results about How to "Speed up filtering" patented technology

The invention discloses a real time filtrating method for large-scale garbage message based on the content, including the steps as following: 1, pre-filtrating by using the black list and the white list; 2, carrying out the online filtrating by using the filtrating module based on the frequency; 3, carrying out the fast filtrating for the message content by using the method of twice hashing; 4, carrying out the pretreating of the message text for suspicion message, and converting the same into the phase vector; 5, judging the suspicion message by using the method of combination of Naive Bayesian classifier and support vector classifier. The invention can greatly improve the filtrating speed of garbage message, and efficiently reduce the produced erroneous judgement rate in the conventional key word filtrating method; can efficiently solve the problem of group sending garbage messages with malicious intent in the short time; can efficiently avoid to mistake the common message as the garbage message so as to reduce the erroneous judgement, and efficiently improve the filtrating accuracy of whole system by analyzing the message content on the semantics.

The invention relates to a kieselguhr-based porous ceramics, a preparation method thereof and a method for loading Ag doped with nano TiO2 on the same, belonging to the technical field of a kieselguhr inorganic material. The kieselguhr-based porous ceramics is made from kieselguhr, a sintering auxiliary agent, a dispersing agent, a binder and water in the weight ratio of 60-92:8-40:0.01-2:0:001-1:100-450. The kieselguhr-based porous ceramics has functions of absorption and filtration, and can absorb granules in fluid when the fluid passes through the lieselguhr-based porous ceramics. Ag doped with nano TiO2 is loaded on the kieselguhr-based porous ceramics to generate kieselguhr-based porous ceramics loading the Ag doped with TiO2. The laden anatase-type nano TiO2 has large specific surface area. The effects of filtration, photochemical catalysis and sterilization of the kieselguhr-based porous ceramics loading the Ag doped with nano TiO2 are greatly increased.

The invention relates to a flexible tubular solid liquid processor, with filter, heat exchange and thermal extraction functions, wherein the filter element at least comprises one flexible tubular membrane unit, upper flange room and lower flange room; the hydraulic extracting system comprises pressure container, extract pump and tubes; the material liquid of container can be filtered by the tubular filter membrane of membrane unit, and said material liquid can be used as work medium to extract the concentrated material liquid in the filter room of membrane unit and discharge filter slag; the pressure container or the filter room of membrane unit can be filled with medium to exchange heat, to realize thermal filter or extraction; the filter element is arranged on the bearing base inside the pressure container; the filter rotator can rotate the filter element to realize cross-flow filter; and the invention can be arranged with gas or water reverse tube and vacuum filter tube; the slag discharge system comprises slag discharger or tubular inner / outer membrane scraper, or vibration slag discharger, or compression slag discharger.

A method and apparatus using deep pleated filters to provide efficient and safe electrically enhanced filtering (EEF), with ultra low pressure drop, higher efficiency of particulate removal and higher dirt holding capacity over the life of the filter. An EEF may be constructed with a housing, with or without an internal air moving device such as a fan, a deeply pleated filter, preferably a V-pack filter with sets of downstream ground electrodes and charge transfer electrodes borne by the exterior surface of the filter packs that form the filtering element. An ionizer assembly that ionizes the gas and charges particles entering the deeply pleated filter and also transfers a charge to the charge transfer electrodes on the filter pack. A plate seals the gasket on the filtering element against the ionizing assembly. A high electrical potential is applied to charging elements in the ionizer and, in some embodiments, a fan or motor assembly. The charge transfer electrodes enable the device to function with a high particle collection field between the charge transfer electrodes and the downstream grounded electrodes to safely and efficiently attain higher entrapment of the particles on the filter medium.

The invention discloses a manufacturing method for extracting and processing fresh juice stock solution by using dendrobium officinale as a raw material. The method furthest protect the color, flavor, nutrition and effective ingredients of dendrobium officinale fresh juice by surface sterilization of the collected fresh dendrobium officinale and technology of juicing, enzymolysis, vacuum degasification, micro-filtration, ultra-filtration, sterile filling, high-temperature instantaneous sterilization and the like, and meanwhile, the product is favorable for storing and realizing industrialized production. The dendrobium officinale is processed into the dendrobium officinale fresh juice stock solution which is easy to store, convenient to carry, simple to administrate, good in mouthfeel and easy to absorb and has health-care nutritional components and medicinal functions; the fresh juice stock solution does not contain any additive; and the content of the fresh juice stock solution reaches over 99 percent. The dendrobium officinale fresh juice stock solution can be administrated separately, also can be added into mineral water to form health-care beverage, also can be dissolved into wine to form nourishing health-care wine, and can be added into high-grade dishes to form nourishing dishes for eating.

A Fe-based catalyst for the Fischer-Tropsch synthesis contains Re2O3, Fe3O4, La2O3, CuO, K2O and SiO2. It is prepared through using oxidant to oxidize partially the ferrous sulfate to obtain the mixed solution of iron sulfate and ferrous sulfate, mixing with the mixed solution of lanthanum nitrate and copper salt, fast depositing by alkaline compound, washing the deposited slurry, adding potassium silicate-water glass solution, and spray drying.

The invention discloses a self-feedback junk information filtering method. Self-feedback updating of information filter regulation is implemented by self-analysis, self-decision and self-optimization according to the filtered junk information by constructing journal analysis module with manual operation as little as possible. The invention greatly improves information filtering speed and accuracy, overcomes detects of high manpower participation in traditional filtration of massive information, heavy workload, correlation of speed and accuracy with operating height of manpower, and realizes information filtering automation.

The invention discloses an environment-friendly blast furnace slag treatment device based on bottom filter process and a treatment method thereof. The treatment device comprises a water slag granulation pool. The water slag granulation pool comprises a granulation pool entrance unit and a granulation pool exit unit. The granulation pool entrance unit is provided thereon with a granulator. The water slag granulation pool is provided inside with a granulation pool condensation / spray device. The granulation pool exit unit is connected with a filter tank. The downstream of the filter tank is connected with a cooling tower via an upper tower pump. The invention realizes energy conversation, discharge reduction and safe production, overcomes the problem of large occupied area of the conventional bottom filter process, and reduces the costs for construction and operation.

The invention belongs to the field of inorganic porosint and particularly relates to an asymetric membrane FeAl intermetallic compound porosint filter element and the application thereof. The filter element of the invention consists of a multiaperture support body and complex film; wherein, the multiaperture support body is in tubular shape or platy shape, the complex film is made in the following steps: a compound sizing agent is coated on outer surface of a single side of the multiaperture support body; and degreasing, bias diffusion, reaction synthesis and sintering are carried out to form thin-layer complex film with millipores. The millipores on the surface of the filter element is small and uniform, porosity is high, no dust is blocked inside filter material, filtering gas circuit is smooth, and resistance is small; in addition, the element has good resistance to high temperature oxidation / vulcanization and good normal temperature and high temperature mechanical properties. The element can directly carry out solid-gas separation on industrial gasses, bear top load and high-pressure and high-speed back washing, thus saving relative cooling devices, saving a large amount of water resources, avoiding cooling water treatment, lowering energy loss, shortening process flow and improving work efficiency.

The invention discloses a method for purifying, energy saving and ventilating and a purification energy-saving ventilator, and particularly relates to a heat storage type heat exchanger which is used for ventilating indoors and outdoors for a building, and simultaneously purifying fresh air and recovering exhaust energy. The method is characterized in that heat exchange material in the heat exchanger is firmly fixed in a shell of the heat exchanger, and an air distribution mechanism is used for leading two paths of air to alternately pass through different parts of the heat exchange material of the heat exchanger in opposite directions; the heat exchange material is common air filtering cotton, and can exchange heat with air and prevent solid particles in the air from passing through when air passes through the heat exchange material, therefore the air can be purified during ventilation and exhaust energy recovery, and the functions of air disinfection and sterilization, humidification, temperature reduction and the like can be realized. The invention has the advantages of high heat exchange efficiency, simple and compact structure, small volume, low manufacturing cost and long service life, has multiple functions of energy recovery, air purification, humidification and temperature reduction, and provides an economic, efficient and easily popularized multifunctional fresh air ventilator for saving energy, ventilating and purifying air for commercial and household air conditioning rooms.

A filter-type gas separating-cleaning apparatus with quickly moving filter layer features that its filter cylinder rotating at high speed is composed of external filter net, supporting posts, internal filter net, shaft sleeve, shaft disk and supporting rings, and the gas containing solid particles and / or liquid drops is filtered by said filter cylinder. Its advantage is use of big-mesh filter material to remove fine solid particles and / or liquid drops, resulting in high filter speed, and easy cleaning.

During solvent dewaxing, the mixture of wax containing material oil, dewaxing solvent and dewaxing assistant is made to pass through two stages of dewaxing material oil and deoiling cerate; the filtrate from the deoiling stage is returned to the dewaxing stage completely; and dewaxed oil and deoiled wax are obtained after recovering the solvent. The dewaxing assistant is ashless polymer mixture of high branched chain degree polymer and low branched chain degree polymer. The method improves the crystal structure of wax, raises oil-wax separating effect, raises dewaxed oil yield and filtering speed obviously, lowers the solvent ratio and lowers the oil content in cerate. The cerate may be used in producing paraffin or microcrystal wax.

A method and apparatus using deep pleated filters (1) to provide efficient and safe electrically enhanced filtering (EEF), with ultra low pressure drop, higher efficiency of particulate removal and higher dirt holding capacity over the life of the filter (1). An EEF may be constructed with a housing (24), with or without an internal air moving device such as a fan, a deeply pleated filter (1), preferably a V-pack filter (31) with sets of downstream ground electrodes (4) and charge transfer electrodes (5) borne by the exterior surface of the filter packs (31) that form the filtering element

The present invention provides for the manipulation of carbon flux in a recombinant host cell to increase the formation of desirable products. The invention relates to cellulose-digesting organisms that have been genetically modified to allow the production of ethanol at a high yield by redirecting carbon flux at key steps of central metabolism.

The invention discloses a method for preparing the hydrophobic nano titanium powder. Nano titanium dioxide is firstly conducted the inorganic surface processing in the liquid phase of the nano titanium water dispersion, and then is conducted the organic surface processing, and finally the nano titanium serum is filtered and washed until the electrical conductivity of the filtrate is less than 500 micro simens per centimeter, and is dried and crashed to get the hydrophobic nano titanium dioxide powder. The invention integrates the inorganic and the organic surface processing of the nano titanium dioxide, so that the surface nature of the nano titanium dioxide is changed, and the filtration speed of the nano titanium dioxide in the solid-liquid separation process is increased, and the loss rate of the nano titanium dioxide is reduced, and the craftwork flow process is short, and the operation is convenient and is easy to be controlled. The prepared nano titanium dioxide powder not only has good hydrophobic nature, but also has excellent light stability.

The invention discloses a preparation method of aluminium oxide honeycomb ceramics. The preparation method comprises the following steps: 1) preparing aluminium oxide honeycomb blank bodies with parallel pore passages; 2) dumping or degreasing the aluminium oxide honeycomb blank bodies; and 3) calcining the aluminium oxide honeycomb blank bodies to obtain the aluminium oxide honeycomb ceramics with pore passage inner wall extending whisker structures. The ceramic matrix part particles prepared by the method are tightly bonded and whiskers grow on the honeycomb pore inner walls. The honeycomb ceramics have the excellent properties such as high temperature resistance and chemical corrosion resistance and are suitable for filtration and purification of various fluids. According to the used honeycomb ceramics, filtered matters are easily removed by adopting various methods and the honeycomb ceramics can be reused. The preparation method is simple in process, is low in equipment requirements, is convenient in operation control, has high production efficiency and is suitable for large-scale industrial production.

A fluid filtration assembly 1 comprises a capsule 10 having filtration means 20 and one-way flow means 30. A fluid 60 is flowed through the assembly 1 two or more times to cause multiple-pass filtration of a fluid 60.

The invention discloses a method for preparing dianhydrogalactitol. The method comprises the following steps: diluting by a xylose mother liquor, carrying out decoloring filtration, carrying out ion exchange, and carrying out chromatographic separation to obtain a xylose and glucose mixed liquor and a galactose and arabinose mixed liquor; carrying out evaporative concentration on the galactose and arabinose mixed liquor, carrying out catalytic hydrogenation, carrying out decoloring filtration, carrying out ion exchange, and evaporating to supersaturation in order to obtain crystallized dulcitol; and reacting dulcitol with hydrobromic acid to prepare 1,6-bromodulcitol; and dissolving 1,6-bromodulcitol in t-butyl alcohol of potash, and carrying out an elimination reaction to prepare dianhydrogalactitol. The xylose mother liquor can be prepared by hydrolyzing one or more of corncobs, bagasse, sugarcane pith, cottonseed hulls and rice hulls. Highly pure dianhydrogalactitol can be produced through the method.

The invention relates to a planar mask for efficiently filtering PM 2.5. The planar mask comprises a mask body used for covering the mouth and the nose of a wearer. A pair of ear hooking portions are formed on the two sides of the mask body in an extending mode and used for being hooked on the ears of the wearer. The mask body is of a three-layer structure in a stacked mode, and the three-layer structure comprises a polypropylene fiber spunbonded non-woven fabric outer layer, a superfine fiber electret melt-blown non-woven fabric middle layer and a polypropylene fiber spunbonded non-woven fabric inner layer in sequence from outside to inside. The weight per unit area of the superfine fiber electret melt-blown non-woven fabric middle layer is 20-60g / m<2>. The planar mask for efficiently filtering the PM 2.5 has the advantages of being high in filtration rate and low in choked flow, has prominent obstruction and capturing capability for the PM 2.5 and is good in breathability, low in weight, comfortable to wear and high in PM 2.5 filtering efficiency in high level. The filtering efficiency can reach up to more than 99%, the weight is low, and breathability and comfortable sensation of the mask are ensured at the same time.

The invention belongs to the technical field of inorganic nonmetallic materials, particularly relates to a preparation method of a hollow sphere made of titanium dioxide composite, and specifically relates to a method for preparing a rutile type titanium dioxide hollow sphere with calcium carbonate serving as a template. The specific idea of the method is as follows: firstly, the surface of calcium carbonate is coated with amorphous silica, then, titanium dioxide nanocrystalline is deposited or grown on the surface of silica, meanwhile, calcium carbonate is removed, and the rutile type titanium dioxide hollow sphere is prepared.

The invention discloses a magnetorheological fluid multi-stage treatment device and a control method and component manufacturing method thereof and belongs to the technical field of machine manufacturing. The magnetorheological fluid multi-stage treatment device comprises a preposition piston cylinder, a middle piston cylinder, a postposition piston cylinder, a preposition piston, a middle piston, a postposition piston, a preposition filtering box, a middle filtering box, a postposition filtering box, a preposition filtering mesh, a middle filtering mesh and a postposition filtering mesh. The preposition piston cylinder is connected with the preposition piston through a bolt, the preposition bolt is matched with an inner cavity of the preposition filtering box, the preposition filtering box is vertically arranged, and the axis is in the vertical direction; meanwhile, the invention further provides corresponding control method and a key component manufacturing method of the device. According to the magnetorheological fluid multi-stage treatment device and the control method and component manufacturing method thereof, a two-standing three-filtering mode is adopted to filter mixed liquid, the characteristic of the mixed liquid at each stage is fully utilized, and the purpose of fast and thoroughly separating magnetic substances and solvent is finally achieved.

The invention provides a method for online restoring abnormal data of a wind power plant. The method comprises the following steps of I, determining a processed data item according to the data of the wind power plant; II, selecting a starting point of the processed data item; III, acquiring a continuous differential data sequence by adopting a slide window differential method; IV, judging whether the data is the abnormal data or not by utilizing a quartile method; and V, determining a restored data set. By adopting the method, the requirement on online detecting and restoring the abnormal data can be met, the data quality can be effectively improved, the quality of the collected data can be guaranteed, and the influence of the abnormal source on the data analysis can be reduced.

The invention discloses a method for enhancing the stability of the beer brewing technique and a dedicated complex enzyme thereof. Each gram of complex enzyme contains the following components by enzyme activity (U / g): 3000 to 5000 heat-resistant Beta-glucanase, 1000 to 2500 cellulase, 3000 to 4500 xylanase, 20000 to 25000 neutral protease and 10000 to 14000 heat-resistant Alpha-amylase. The method adds the complex enzyme into a saccharifying tank at the beginning of saccharification. When the complex enzyme is applied to the saccharification process of beer brewing, the content of Alpha-amino nitrogen and the total content of nitrogen in beerwort can be increased, the filtration rate and fermentability of beerwort and beer can be increased, consequently, the stability of the beer brewingtechnique is ensured, and the quality of beer is increased. The method is mainly applied to the saccharification process of beer brewing, and the operation is simple and convenient.

The invention discloses a rainwater recycling system for a sponge city, and relates to the technical field of rainwater collection. The rainwater recycling system improves the rainwater collection efficiency. The rainwater recycling system involves a rainwater collecting well, a reservoir communicating with the rainwater collecting well, and a drainage grating covering a wellhead of the rainwatercollecting well, wherein the reservoir is buried underground; and the rainwater recycling system further involves two sewage collecting wells arranged adjacent to the rainwater collecting well, arc-shaped grooves are formed in the two opposite side walls in the rainwater collecting well, a filtering assembly used for filtering rainwater is rotationally connected between the two arc-shaped grooves,the filtering assembly comprises a center shaft, two filtering plates fixedly connected with the center shaft and a flow guide plate, the two filtering plates and the flow guide plate are evenly distributed around the center shaft, the center shaft is rotationally connected to the middle of the inner wall of the rainwater collecting well, and the axis of the center shaft coincides with the central axes of the arc-shaped grooves. According to the rainwater recycling system, impurities such as sludge on the filtering plates can be washed and collected through rotation of the filtering plates, and the filtering speed of the rainwater is increased.

The invention relates to a PM2.5C type mouth mask efficient in filtering. The mouth mask comprises a mouth mask body, and the two sides of the mouth mask body extend out to form a pair of portions hung on ears. The mouth mask body comprises a left mouth and nose piece portion, a right mouth and nose piece portion, a left nose bridge piece portion, a right nose bridge piece portion, a left jaw piece portion and a right jaw piece portion, wherein the edge of the left nose bridge piece portion and the edge of the right nose bridge piece portion are combined, the mouth mask body is of a three-layer structure to form a laminated shape, and the weight of a middle layer made of ultra-fine electret melt-blown fiber non-woven cloth per unit area is 20-60g / m2. The PM2.5C type mouth mask efficient in filtering integrates air permeability, weight, wearing comfort and PM2.5 filtering efficiency of a mouth mask at a high level. The PM2.5 filtering efficiency of the mouth mask can reach more than 99% at most, the mouth mask is low in weight, and air permeability and comfort of the mouth mask are guaranteed at the same time. Water mist is prevented from being generated on lenses, warm air is prevented from accumulating on the inner side of the mouth mask, and bacteria are prevented from growing.

The invention relates to a spiral extruding filter, which mainly comprises a motor and a filter cartridge. A spiral shaft runs through the inside of the filter cartridge and connected with an output shaft of the motor; the filter cartridge is provided with a discharge opening and a feeding opening; the spiral shaft is provided with at least one intermittent spiral shaft vane; the filter cartridge at the intermittent part of the spiral shaft vane is fixedly connected with a cylinder; and the cylinder is provided with a baffle plate which is arranged between the intermittent spiral shaft vanes. The spiral extruding filter has the advantages of making materials in the filter cartridge bear higher pressure, improving the filtering speed and improving the production efficiency. Compared with the common spiral shaft, the spiral vane has one or more intermittent parts; the spiral shaft has no push force on solid phase materials at the intermittent parts, so the solid phase material can be accumulated in the filter cartridge, and the materials can continuously move forward by only using subsequent materials to apply larger push force on the materials. The larger push force can accelerate the dehydration of materials.

The invention relates to a valine purification method, which comprises the following steps: A. adding flocculating agents into valine fermentation liquid for fast precipitating solid impurities, and obtaining primary filter liquid through filtering supernatant; B. adding activated carbon into the primary filter liquid obtained in the step A, wherein the added activated carbon accounts for 1+ / -0.5weight percent of the filter liquid, carrying out stirring and decoloration at 60 + / - 5 DEG C, and then, obtaining secondary filter liquid through filtration; C. using an industrial chromatographic column for separating inorganic salt and heteroacid, and then, using a sodium filter membrane for removing pigment and small molecular impurities to obtain a clear and colorless valine solution; D. concentrating the filter liquid for crystallization to obtain crude valine products; and E. shaking a transmission belt and raising the temperature to 220 + / - 10 DEG C, and carrying out sublimation to remove alanine and isoleucine to obtain pharmaceutical grade competitive valine products. The method has the characteristics of simple operation, good selectivity, cleanness and environment protection, so the yield and the quality of the valine are obviously improved.

The invention discloses a preparation method for an echinocandin compound by using a Coleophoma sp. fermentation culture. The method comprises the following steps: carrying out filtration, macroporous resin adsorption, desorption, condensation, crystallization and the like on the Coleophoma sp. fermentation culture so as to obtain a crude extract of the echinocandin compound FR179642; and carrying out chromatographic separation on the crude extract of the echinocandin compound FR179642 by using a reversed-phase filling material so as to obtain an echinocandin compound FR179642 product with high purity. The invention has the following advantages: a macroporous resin is used to extract and separate the echinocandin compound FR179642 in the method, and the method is simple and feasible and is suitable for industrial production; and through application of the reversed-phase filling material in chromatographic separation of the echinocandin compound FR179642, the echinocandin compound FR179642 product with high purity is prepared.

The invention relates to a beer compound enzyme preparation, which is prepared by compounding composite cellulose, glucanase, amylase and prolease. According to characteristics of domestic barley of high contents of beta-glucan and protein, low saccharificaion yield and the like, functional enzymes are compounded; and the synergy among enzyme systems effectively decomposes macromolecular sticky substances that the beta-glucan and pentosan are hybridized in wort, reduces the viscosity of the wort, improves the clearing degree and filtering speed of the wort, increases alpha-amino nitrogen and fermentable sugar in the wort, perfects brewing performance of the wort, improves the saccharificaion yield, and reduces the cost.

The present invention provides a microorganism containing a compactin biosynthesis gene and a gene for conversion of compactin into pravastatin. In a preferred example, said compactin biosynthesis gene is mIcA and / or mIcB and / or mIcC and / or mIcD and / or mIcE and / or mIcF and / or mIcG and / or mIcH and / or mIcR and said gene for conversion of compactin into pravastatin is a hydroxylase gene. Furthermore, the present invention provides a method for producing a compound of interest such as a statin. In a preferred example said statin is pravastatin.