110results about How to "Simplify subsequent processing" patented technology

The invention discloses a method for preparing a lubricant coating on the surface of polymer materials of a medical catheter, which comprises the following steps: (A), pretreating the surface of the polymer materials of the medical catheter, so as to obtain hydrophilic adsorption active sites; (B), soaking the pretreated polymer materials of the medical catheter in step (A) into a prepared precursor solution of the lubricant coating for adsorption; and (C), performing grafting reaction on the soaked polymer materials of the medical catheter in step (B), and washing and drying the polymer materials of the medical catheter. The method can be widely used for preparing medical polymer materials and coating materials on the surface of a medical apparatus.

A pulverized coal pressure dense transport bed gasification method and installation of the invention relates to gasification technology and employs in-furnace desulfurization craft. Pulverized coal and desulfurizer are sent into gasification furnace through the middle and lower part of gasification furnace by a feeder, and then react with a gasifying agent. Reaction mass flow upward from the bottom of the gasification furnace, and enter into a multistage gas-solid separator from an export on the top of the gasification furnace. Most solids are separated in the gas-solid separator and enter into the low part of the gasification furnace by a high flux return feeder to continue to participate in reaction. Gas products with a small amount of solid enter into a gas cooler which can recover gas manifested heat to generate steam. The enter modes of the gasifying agent are bottom once wind and cyclone twice wind, otherwise, the reactor can also be use to burn. Because of the high-rate cycle, high solid content and high gas-solid mixing in the gasification furnace of the invention, the gasification strength and gasification rate of the gasification furnace can be improved and higher gasification efficiency and carbon conversion rate can be obtained.

The invention discloses a method for comprehensively recovering valuable metals through oxygen pressure treatment of tin anode mud. According to the method, the tin anode mud serves as a raw material, oxygen pressure alkaline leaching, sulfuric acid oxidation leaching, chlorination leaching, separation technology and other wet metallurgy methods are adopted, effective separation and recovery of valuable metals such as tin, arsenic, antimony, copper, bismuth, indium and the like in the tin anode mud can be realized, lead and precious metals are enriched in slag, and subsequent fire process recovery is facilitated. According to the method, arsenic is efficiently removed from the source, the arsenic removal rate is over 95 percent, the precious metals are hardly lost in the wet smelting process, comprehensive recovery and utilization of the valuable metals can be realized, the method has the characteristics such as high raw material adaptability, simplicity in operation, high efficiency in cleaning, low energy consumption, less pollution, high metal recovery rate and the like, and the industrial production requirements are met.

The invention provides a method for preparing WC-Co cemented carbide through microwave sintering. The method comprises the steps of WC powder and Co powder batching and mixing, compacting and sintering, wherein in the step of sintering, compacts, SiC chips, carbon black and alumina powder are put in an alumina fiber insulating bag sleeve and then the alumina fiber insulating bag sleeve is put in a microwave high temperature furnace, the products in the furnace are heated to 500-600 DEG C at a heating speed of 5-10 DEG C/min and the heat is preserved and then the products are heated to 1400-1500 DEG C at a heating speed of 30-80 DEG C/min and the heat is preserved, thus obtaining the WC-Co cemented carbide. The method has the advantages of simple process, convenience in operation, short sintering period and low energy consumption, can replace the existing WC-Co cemented carbide processes, is used for producing the WC-Co cemented carbide by adopting the intermittent or continuous microwave sintering mode and is suitable for industrial application. The prepared WC-Co cemented carbide has excellent performances.

The invention provides a high-efficient non-corrosive hydrate inhibitor, relating to the technical field of oil-gas hydrate. The hydrate inhibitor is a mixture of an anti-agglomerant and a urea or a calcium nitrate and is used at the pressure of 1.5 to 25 MPa and at the temperature of minus 20 DEG C to 25 DEG C. The hydrate inhibitor overcomes the defects of the prior art, reduces the nucleary, the growth and the coalescence speed of hydrate after being filled in petroleum fluid in production or conveying by mixing at low concentration and has the characteristics of wide application, low cost and no corrosion to pipelines.

The invention provides a method for pretreating beer waste for biochemical utilization. The method comprises the following steps: carrying out ozone wall breaking and sterilization on one or mixture of beer waste water, sludge, waste and fresh beer yeast slurry so as to increase leaching of nutrient substances of yeast content, wherein the ozone admission amount is 0.3-0.8g of ozone/ g of waste beer dried substances; and carrying out high-pressure steam sterilization on samples subjected to ozone treatment at 121 DEG C for 45 minutes, thus the samples subjected to high-pressure steam sterilization can used for microorganism yeast culture. The beer waste pretreated by the method provided by the invention has the advantages that the nutrient substance release rate can be greatly improved, the content of amino nitrogen in a culture medium is improved by 4-5 times, and the amino nitrogen yield achieves 3-5 percent, thus the pretreated beer waste serving as the culture medium is beneficialto microorganism culture.

The invention relates to a preparation method of rosemary extracts. The method comprises the following steps of (1) putting dried rosemary raw materials into an extraction tank; performing extractionto obtain rosemary essential oil; (2) adding an ethanol solution; performing back flow extraction, concentration, separation and drying to obtain carnosic acid, ursolic acid and rosmarinic acid products; (3) performing crushing, extraction, concentration and separation on the carnosic acid products to obtain oily products containing carnosic acid; (4) performing molecular distillation separation on the oily products containing carnosic acid to obtain rosemary essential oil and smell-removed carnosic acid oily products. The raw material utilization rate is high; the effective ingredient transfer rate is high; the industrialized production can be easily realized; the carnosic acid oily products prepared by the method have high anti-oxidization active ingredient content, basically have no rosemary smell, and have good market prospects are realized in aspects in edible grease, meat product fresh keeping and corrosion prevention.

A method and system corrects for drift in spectrum images resulting from collection signals. Signals resulting from a scan are collected. A reference image is obtained for determining initial pixel locations. A correction image is extracted, validated and correction vectors generated.

The invention discloses a process for refining crude glycerin and recovering byproducts. The process for refining the crude glycerin and recovering the byproducts comprises the following steps of: diluting the crude glycerin with water; preheating the crude glycerin to 30 to 60 DEG C; introducing the crude glycerin into an ion exchange column with cation exchange resin; allowing the crude glycerin to enter a storage tank A, preserving the heat to be between 30 and 60 DEG C and standing to layer; after layering, introducing the bottom layer of liquid into an ultrafiltration membrane component and allowing the upper layer of liquid to enter a storage tank B; introducing the permeating liquid of the ultrafiltration membrane into an anion exchange column and then introducing the permeating liquid into a cation exchange column; evaporating, concentrating or distilling effluent to obtain high-purity glycerin; returning the non-permeating liquid to the storage tank A; standing liquid in the storage tank B to layer; separating out the upper layer of oil layer; washing the oil layer with hot water; standing and separating; and taking the upper layer of oil layer to obtain fatty acid. The process is high in processing efficiency, simple in process and low in cost. By the process, the high-purity glycerin can be produced efficiently; the fatty acid can be recovered from the crude glycerin; and production cost is reduced.

The invention relates to the technical field of inorganic chemical industry, specifically a preparation process of potassium nitrate, which solves the problems of limited source of raw materials, high production cost, high energy consumption, low yield of one-time finished products and unrecyclable waste in the existing method. Potassium chloride and dilute nitric acid are mixed in proportion, reacted under the conditions of negative pressure of 0.01-0.02MPa and temperature of 30-40°C, cooling the mixed solution generated by the reaction to normal temperature, continuing to freeze, and then centrifuging to obtain crude potassium nitrate and primary mother liquor, the crude potassium nitrate is refined to obtain the finished product, the primary mother liquor is evaporated and concentrated, and hydrochloric acid and nitric acid are separated, and the two are separated by condensation and extraction, and the concentrated secondary crude potassium nitrate is cooled, frozen, and centrifuged to obtain di Sub-crude potassium nitrate and secondary mother liquor, the mother liquor is returned to the system for recycling. The one-time yield of potassium nitrate in the invention is high, 85-90%, so that the follow-up treatment process is simple, energy consumption is low, and cost is low; no pollution is realized, no waste water is discharged, and the environmental protection problem is completely solved.

The invention discloses inner-loop anaerobic membrane bioreactor treatment method and equipment for high-concentration organic wastewater. The treatment method of the organic wastewater comprises the following steps: A) inoculating anaerobic sludge into a first reaction chamber and a second reaction chamber; B) transporting the organic wastewater to the first reaction chamber through a water inlet pipe, forming an inner loop through a first three-phase separator, the second reaction chamber, a second three-phase separator and a gas-water separator sequentially, and separating a mixed liquid through a membrane component in the circulating process, so as to obtain produced water; C) enriching methane generated in the first reaction chamber and the second reaction chamber through the first three-phase separator and the second three-phase separator sequentially, feeding to the gas-water separator, separating and then producing methane; and D) separating and then producing methane by the gas-water separator, supplying a part of the methane to the membrane component in a pressurizing manner, feeding to the gas-water separator through the second three-phase separator, so as to form methane circulation aeration. The invention also discloses equipment for achieving the method. The high-concentration organic wastewater (such as farm and sideline food processing industry and livestock and poultry breeding wastewater) is processed by adopting the method disclosed by the invention, thus high-load and short-flow one-step standard reaching can be achieved.

The invention discloses a method for preparing metal and magnesium sulfide with metal sulfide. The method is characterized in that metal sulfide powder or a metal sulfide sheet formed by pressing is compounded with a current collector to be used as a cathode, graphite is taken as an anode, electrolyzation is performed for 1-4h in molten magnesium chloride or a mixture of magnesium chloride and alkali metal chloride with the working temperature being 400-750 DEG C and the electrolysis voltage being 1.0-2.6V, wherein the working temperature is higher than a melting point of a corresponding metalproduct, at the inert atmosphere, and a cathode product is corresponding molten metal and the magnesium sulfide; after the product is cooled, and separated metal is taken out, ultrasonic cleaning isperformed by adopting dimethyl sulfoxide to obtain the magnesium sulfide. The invention provides the method for preparing metal and magnesium sulfide with metal sulfide, which is low in energy consumption and safe in process and is environmentally friendly.

The invention discloses a method of manufacturing a flash memory. In the prior flash memory process, after floating boom polycrystal deposits, the floating boom generates a thin oxide film with the thickness of 20-50 . The invention can effectively control the beak shape with partial oxidization, expand process window and is good for floating boom sharp corner control, stability, evenness and the whole chip erasing performance improvement.

The invention relates to a testing clamping device based on cascade electric adsorbing modulator to generate super short light pulse. The feature is that it includes a frame, a base board, two radio frequency coaxial connectors, two sections of micro strips and two resistances that is fixed between two ends of the micro strips and has a preset distance.

The invention provides a method for preparing trichlorosilane and dichlorosilane by hydrogenating silicon tetrachloride through microwave plasma, which aims to solve the problems of high energy consumption, low single-pass conversion rate and high equipment investment in the catalytic hydrogenation of the silicon tetrachloride by a Siemens method and problems of high energy consumption and material consumption and difficult industrialization in hydrogenating the silicon tetrachloride by a conventional thermal plasma method and a radio-frequency induction plasma method in the conventional polysilicon industry. The method comprises the following steps: forming a stable cold plasma through arced hydrogen, argon or a mixture of the two under excitation of microwaves; forming a plasma jet flow by a plasma torch under the condition of the flow of the arced gas; and ejecting feed gas into a specific area of the plasma jet flow to form an active particle consumption zone in which the silicon tetrachloride is hydrogenated into trichlorosilane. The single-pass conversion rate of the silicon tetrachloride of the method reaches about 60 percent; and the method has the advantages of simple subsequent treatment of a product, low requirement on equipment and operation control, and easy realization of industrialization.

The invention discloses a bipolar assembly for a bipolar asymmetric supercapacitor energy storage apparatus. The bipolar assembly comprises: a substrate, wherein the substrate is insulated, and comprises two opposite surfaces; a positive electrode, wherein the positive electrode comprises a lead-containing active material and is positioned on one surface of the substrate; and a negative electrodepositioned on the other surface of the substrate, wherein the substrate has an electrical connection circuit so as to form electrical connection between the positive electrode and the negative electrode, and the negative electrode comprises a carbon-containing active material. According to the present invention, the carbon-lead battery technology and the bipolar battery technology are successfullycombined so as to effectively improve the performance of the energy storage device during the bidirectional high-power and high-frequency partial charging and discharging.

The invention discloses a diamond cladded polarization maintaining optical fiber and a manufacturing method thereof. The manufacturing method comprises the following steps that a chemical vapor deposition method is adopted to manufacture a core stress integrated rod, wherein the core stress integrated rod comprises a core layer, a stress layer and an outer cladding layer; the core stress integrated rod is machined to make a cross section diamond; a target rod with a diamond cross section is manufactured and is put inside a quartz glass sleeve, an outer spraying process is adopted to conduct deposition on the quartz glass sleeve, the target rod is removed to form a pure quartz glass diamond inner-hole sleeve after the deposition process is completed; the core stress integrated rod with the diamond cross section is placed in the pure quartz glass diamond inner-hole sleeve to form a polarization maintaining optical fiber perform, the olarization maintaining optical fiber perform is subjected to drawing to form the diamond cladded polarization maintaining optical fiber. The polarization maintaining optical fiber I good in process performance and product quality, high in manufacturing precision and finished product rate, good in machining adaptability and suitable for batch production.

The invention provides a rapier loom which comprises a workbench, a warp let-off mechanism, a weft let-off mechanism, a slitter edge cutting mechanism and a rolling mechanism. The slitter edge cutting mechanism comprises a cutter rest, a fixed cutter body and a movable cutter body, the fixed cutter body is provided with a first blade, the movable cutter body is provided with a second blade, the fixed cutter body is fixed to the cutter rest in a height-adjustable mode, the movable cutter body is hinged to the fixed cutter body, and the first blade and the second blade abut against each other to form a cutting opening; the slitter edge cutting mechanism further comprises a motor driving the movable cutter body to rotate, a transmission shaft and a rotating disc, and the transmission shaft is controlled by the motor and fixedly connected to the center of the rotating disc; the cutter rest is provided with a longitudinal sliding groove, a sliding block is arranged in the sliding groove, a first connecting rod used for driving the sliding block to rise and fall is arranged between the sliding block and the rotating disc, a second connecting rod used for pushing and pulling the movable cutter body is arranged between the sliding block and the movable cutter body, one side of the sliding block is fixedly connected with the second connecting rod, and the second connecting rod is hinged to the movable cutter body; the other side of the sliding block is hinged to the first connecting rod, and the first connecting rod is hinged to the eccentric position of the rotating disc.

The invention discloses a green process for preparing diosgenin and belongs to the technical field of natural product extraction. The main procedure of the process comprises the steps of washing, smashing, naturally fermenting, emulsifying, separating fibers, separating starch, separating emulsion, performing acidolysis, separating oil and water, performing reduced-pressure condensing, and recrystallizing to get the product; recovering acid and monosaccharide in the acidolysis solution through a simulated moving bed; and adding a nonpolar solvent into a natural fermentation solution while grinding by a colloid mill, emulsifying the diosgenin to form the emulsion fixed in the water, and separating to get the cellulose, starch, supernate and emulsion after emulsifying. The emulsion is directly acidolysis processed so that the hydrolysis condition is reduced, the diosgenin is free of being damaged, and the quality of the diosgenin is increased; the pollution source is completely eliminated by the acid and the monosaccharide in the acidolysis solution. The process meets the standards of high purity, high yield, low cost and pollution free. The prepared diosgenin content is greater than 98%, the yield is greater than 80%, the recovery rate of the cellulose, the starch and the like is greater than 95%, the production cost is reduced by 30%, the ton cost is reduced by **-** and no pollution is discharged.

The invention provides an injection molding method of a PWM (Pulse Width Modulation) controller shell body and metal pins, which comprises the following steps of: A, integrating a plurality of molded metal pins to be separated; mutually connecting and punching an integral metal piece by a plurality of connecting blocks; B, positioning and putting the punched integral metal piece into a mould for molding the PWM controller shell body for injection molding; and C, removing the connecting blocks for connecting the metal pins for separating the metal pins. Compared with the prior art of the separation injection of the metal pins, the injection molding method of the PWM controller shell body and the metal pins can reduce the positioning and holding quantity of the pins, simplify the installation of the pins, enhance precision, reduce technological difficulty, shorten injection time, simplify subsequent processing technology, and reduce the total cost of products.

The invention discloses a method for preparing thiodiglycolic acid, which comprises the following steps: adding thiodiglycolic acid dialkyl ester in acidic liquid; heating and refluxing for 1 to 6 hours; recovering a byproduct, namely alcohol, and water; and cooling the residual reaction mixture, crystallizing, filtering and drying and obtaining finished product. The thiodiglycolic acid dialkyl ester may be thiodiglycolic acid dimethyl ester, thiodiglycolic acid diethyl ester, thiodiglycolic acid dipropyl ester or thiodiglycolic acid dibutyl ester. In the method, the process is simple, the reaction yield is high, the product colour and luster and purity are high, extractant is not used, the mother liquid can be recycled, and the environment in an entire preparation process is good. The method has a bright industrial application prospect.