68results about How to "Guaranteed to remove" patented technology

The invention relates to a process for treating coal chemical waste water, wherein a method combining active material adsorption and biochemical treatment is adopted. The method comprises the following steps of: firstly, introducing coal chemical waste water in a waste water regulating reservoir; secondly, introducing the waste water subjected to adsorption treatment by an adsorption tank into a clarification reservoir for sedimentation; then introducing the waste water subjected to the treatment of the clarification reservoir into a biochemical unit for biochemical treatment; and finally, introducing the waste water subjected to the biochemical treatment into a sedimentation reservoir for sedimentation treatment. In the technical scheme, macromolecular organic pollutants are removed through adsorption, therefore, the requirement of the subsequent biochemical treatment is met, and the problems of insufficient utilization of pores of activated carbon and incomplete exertion of the adsorbability of the activated carbon due to the influence of sludge when the activated carbon is added into an activated sludge aeration tank in the prior art are solved; and the process for treating coal chemical waste water has high efficiency and can sufficiently utilize the pores of the activated carbon and ensure the full exertion of the adsorbability of the activated carbon.

The invention discloses a method for preparation of battery grade lithium chloride from spodumene leachate. The method includes the steps of: A, adding a sodium hydroxide solution into a lithium sulfate spodumene leachate solution to adjust the PH to 10-13, adding sodium carbonate for reaction, and performing press filtration to obtain a primary lithium sulfate refined solution; B, subjecting theprimary lithium sulfate refined solution to calcium removal by chelate resin to obtain a secondary lithium sulfate refined solution; C, adding barium chloride dehydrate into the secondary lithium sulfate refined solution to obtain a primary lithium chloride solution; D, adding sodium carbonate into the primary lithium chloride solution, and conducting press filtration separation to obtain a secondary lithium chloride solution, and performing acidification and steam stripping to obtain a lithium chloride refined solution; E, conducting triple-effect evaporation on the lithium chloride refined solution to obtain a lithium chloride concentrated solution; F, subjecting the lithium chloride concentrated solution to freezing cooling to precipitate sodium and potassium, thus obtaining a final lithium chloride solution with low sodium and potassium; and G, carrying out concentration and separation on the final lithium chloride solution, and subjecting the obtained solid to drying so as to obtain a battery grade lithium chloride product. The method for preparation of battery grade lithium chloride from spodumene leachate provided by the invention has the characteristics of simple process, high purity of finished product, stable product quality, low cost and high yield.

The invention discloses a method for extracting vanadium from molten iron. The method comprises the following steps: contacting the molten iron with a desulfurizer, separating out the generated slag to get the desulfurized molten iron, and oxidizing the vanadium (V) in the desulfurized molten iron to vanadium pentoxide, wherein, based on the total mass of the molten iron, the molten iron comprises 0.23-0.34wt% of V and 0.04-0.15wt% of S, and the content of sulfur (S) in the desulfurized molten iron is not more than 0.02wt% due to the condition of contacting the molten iron with the desulfurizer; and the desulfurizer comprises Na2CO3, CaO and CaC2, and based on the total mass of the desulfurizer, the content of the Na2CO3 is 2.5-6wt%, the content of the CaO is 69-87.5wt% and the content of the CaC2 is 10-25wt%. By utilizing the method provided by the inventionthe sulfur is ensured to be removed from the molten iron, silicon can be removed from the molten iron to the maximum, and the loss of vanadium is reduced to the minimum at the same time, thereby greatly improving the grade of the vanadium slag and the recovery rate of vanadium during extracting the vanadium.

The present invention relates to method for enhancing preservative effect of lightning protection ground material belongs to manufacture and application field of electrical engineering used conductive metal material. The method is: (1) proceeding surface preprocessing on the metal basic materials for lightning protection ground to form a conversion coating, forming a compactness conversion film at room temperature; (2) coating a conductive closing layer possessing enhancing preservative effect outside the conversion film of metal material conductive; (3) coating a conductive insulation layer possessing enhancing preservative effect outside the conductive closing layer; (4) coating conductive function surface possessing enhancing preservative effect outside the metal basic metarial conductive conversion layer.

The invention relates to a method for rapidly separating and purifying tangshenoside monomers from Codonopsis pilosula medicinal materials. It includes four steps, 1. Cold soaking extraction: cold soaking with ethanol or methanol; 2. Coarse resin separation: load the sample into the activated macroporous adsorption resin column, divide it into three parts with water, 30% ethanol, and 50%-70% ethanol. 3. Chromatographic separation: After diluting the sample with acetonitrile-water mobile phase, inject the sample, and collect the effluent in sections; 4. Decolorization and purification: load the sample on the polyamide resin In the process, the water eluate is concentrated, and 98.5% high-purity tangshenoside product is recovered. The method is simple and fast, consumes less solvent, is economical and environmentally friendly, and has a high yield, is suitable for industrial production, and has high economic value and academic value.

The invention provides a misoperaiton-preventive locking management system of a temporary ground wire of a substation. The system comprises a ground wire monitoring end, a ground wire management device, a GSM communication module, a misoperation-preventive locking module, a monitoring center and an electronic key, wherein the ground wire monitoring end is connected with a ground wire device and the ground wire management device, the ground wire management device is connected with the GSM communication module and is connected with the misoperation-prevention locking module through the GSM communication module, the misoperation-prevention locking module is connected with the monitoring center, and the electronic key is connected with the misoperation-prevention locking module or the ground wire monitoring end in a short-distance wireless mode, receives an electronic voucher and relative information from the misoperaiton-prevnetion locking module and transmits the electronic voucher and the relative information to the ground wire monitoring end to achieve issuing and authenticating of stipulated operations. The misoperaiton-preventive locking management system has the advantages that a unique code is used for ground wires of different types and different categories, and the use state of the ground wire can be displayed in real time; far-end communication unlocking and local computer key unlocking are achieved, the quantity of managed ground wires is configurable, the ground wires can operate independently and also can be linked to a five-prevention device in use, and safety and reliability are high.

The invention discloses a long vehicle low-temperature steaming technology for fiber textiles and equipment. The technology comprises the following steps of (1) preparing gray cloth, (2) singeing, (3) desizing, (4) scouring, (5) rinsing and (6) drying. The invention further discloses long vehicle low-temperature steaming equipment for fiber textiles. The equipment comprises a scouring mechanism. The scouring mechanism has an immersion barrel and a steaming case connected with the immersion barrel, wherein the steaming case is provided with a case body equipped with an accommodating cavity; a steaming cavity steaming and heating textiles and a temperature balancing cavity preventing steam coagulation and on the upper part of the steaming cavity are disposed in the case body; the case body is equipped with a first steam supplying assembly and a second steam supplying assembly both providing high-temperature steam to the steaming cavity and the temperature balancing cavity. The steaming equipment can effectively reduce equipment energy consumption, save energy and improve production efficiency; and the long vehicle low-temperature steaming technology has short circulating, high efficiency, and can reduce water and energy use.

The invention provides a pretreatment method for alkaloid in Anisodus tanguticus. The method is suitable for sample pretreatment in separation, preparation and qualitative and quantitative operation of alkaloid in Anisodus tanguticus. The method mainly includes pulverizing Anisodus tanguticus medicinal material, adding ethanol for extraction, collecting extracting solution, concentrating to obtain extract, tanking the extract, performing selective enrichment to the alkaloid in crude alkaloid by silica gel-based strong cation exchange (SCX) solid phase extraction (SPE) material to obtain alkaloid enriched segment for use in separation analysis and separation preparation of alkaloid in Anisodus tanguticus. The invention has good selectivity and high alkaloid content in fraction, and can greatly improve separation analysis and separation preparation efficiency of alkaloid in Anisodus tanguticus. The pretreatment method has high repeatability and good operability in operating process, is easy for realizing standardization and industrialization, and has a certain directing significance for selectively obtaining alkaloid enriched fraction from Anisodus tanguticus.

The invention discloses an integrated irrigation system of water, fertilizer and medicine, which comprises a water supply system. The water supply system includes a rainwater collection tank and a water storage tank. A pesticide applicator and a water and fertilizer irrigation device are connected at the end of the water supply pipe. Between the flow meter and the filter device A water, fertilizer, and medicine supply system is provided; the water, fertilizer, and medicine supply system includes a water and fertilizer integrated tank and a medicine dispensing tank, and the two sides of the water and fertilizer integrated tank are respectively connected with a first water inlet branch pipe and a water and fertilizer liquid output pipe. switch; the two sides of the tank body of the dispensing tank are respectively connected with the second water inlet branch pipe and the liquid medicine output pipe, and the medicine liquid output pipe is provided with a second switch; The water mains are connected, and the water inlet mains are connected to the water supply pipe; the wireless signal controls the deicing of the antifreeze tank. The new integrated irrigation system of water, fertilizer and medicine saves water and energy, reduces labor intensity and evenly fertilizes.

The invention relates to a dust removing and tar removing device and a dust removing and tar removing method for a high-tar and high-dust high-temperature gas. The dust removing and tar removing device for the high-tar and high-dust high-temperature gas comprises a filtering device, a casing device and a back blowing device, wherein the casing device is used for accommodating filters; the back blowing device is used for cleaning dust on the filters; the dust removing and tar removing device for the high-tar and high-dust high-temperature gas also comprises a high-temperature gas circulating device; the high-temperature gas circulating device comprises a circulated gas heating device used for heating a purified gas coming out from the filters; an inlet end of the circulated gas heating device is communicated with outlets of the filters; an outlet end of the circulated gas heating device is communicated with the casing device; the circulated gas heating device is provided with a gas supplementing device used for supplementing an oxygen-containing gas. The device provided by the invention, by combing back blowing and combustion manners, can effectively remove the pollution caused by the dust and tar on the filters, effectively prolongs and improves the service life and the filtration efficiency of the filters, decreases the regeneration time of the filters from 60h to 10h, and increases the service life of the filters by above 50%.

The invention discloses a method for producing high-purity colorless transparent polyaluminum chloride by using aluminum ash. The method comprises the following steps: (1) mixing the aluminum ash withindustrial hydrochloric acid or byproduct hydrochloric acid, and filtering; (2) mixing the filtered pickle liquor with a catalyst and a decolorizing agent, and then filtering; (3) mixing the pickle liquor obtained in the step (2) with a basicity regulator to obtain a polyaluminium chloride solution; and (4) adsorbing the polyaluminium chloride solution by using an adsorbent to obtain the high-purity colorless transparent polyaluminium chloride solution. According to the process, through decoloration, impurity removal and adsorption of the product, the quality of the colorless transparent polyaluminium chloride is controllable in the production process, and the colorless transparent calcium-free high-purity polyaluminium chloride solution can be produced by adopting cheap raw materials.

The invention provides a bowl scaffold steel tube derusting machine and belongs to the technical field of machinery. The bowl scaffold steel tube derusting machine solves the technical problems that rust cleaning of the whole bowl scaffold steel tube is unavailable for an existing bowl scaffold steel tube derusting machine and the like. The bowl scaffold steel tube derusting machine comprises a machine frame and a derusting ring. A speed reduction motor is fixed at one end of the machine frame. A fixing seat is arranged at the other end of the machine frame. A blocking rod is arranged on the lateral portion of the machine frame along the axial direction. A through hole is formed in the derusting ring and the steel tube passes through the through hole. A limiting rod which is capable of butting against the blocking rod is arranged on the periphery of the derusting ring. A plurality of fixing sleeves are fixed on the lateral sides of the derusting ring. The central axes of the fixing sleeves are parallel to the lateral sides of the derusting ring and intersect with the central axis of the through hole. Brush heads are arranged on the inner ends of the fixing sleeves. An adjusting component is arranged between each fixing sleeve and each corresponding brush head, wherein the adjusting component is capable of enabling the brush head to move along the direction of the axis of the fixing sleeve. The bowl scaffold steel tube derusting machine has the advantages of being capable of effectively cleaning rust on the bowl scaffold steel tube.

The invention discloses a method for preparing przewalskinic acid A by hydrolysis conversion of salvianolic acid B. The method comprises alkali catalyzed hydrolysis, extraction and concentration, purification of hydrolysate and recovery of przewalskinic acid A. The invention solves the problems that the content of przewalskinic acid A in primary przewalskinic acid A is low, the preparation speed of przewalskinic acid A by enzymatic hydrolysis is slow and the purity is low. The method provided by the invention has the advantages of simple operation, high conversion rate, short production cycle, stable process and easy control of cost, and can realize the high purity separation and preparation of a large amount of przewalskinic acid A.

The invention discloses a treatment method for freezing and deburring an inertial disc, which comprises the following steps: S1, the inertial disc is poured into a container, and the container is driven to rotate, thereby driving the inertial disc to rotate together; S2, the inertial disc is cooled to reduce the temperature in the container to below -40 DEG C, so that the surface of the inertial disc is embrittled; S3, a shot blasting machine is used to spray particles to make the particles strike embrittled burrs on the surface of the inertial disc; S4: after completion, the inertial disc istaken out from the container. The invention greatly improves the cooling efficiency of the inertial disk by cooling the inertial disk through liquid nitrogen atomization, and achieves the embrittlement effect of burrs and improves the particle impact removal. By using the plastic particles, the surface damage of the zinc alloy inertial disc can be avoided, so that the roughness of the inertial disc will not be affected, and finally the rotational performance of the inertial disc in the whole belt assembly will be affected.

The invention discloses industrial wastewater treatment equipment. The industrial wastewater treatment equipment comprises a settling pond, a clarification tank, a filter device, gas flotation equipment, a disinfecting tank, an adsorption device, a soft water tank and a reverse osmosis filter device, wherein the settling pond is a flat-flow type settling pond, a vertical-flow type settling pond, a radiation type settling pond or an inclined plate-inclined tube settling pond; the clarification tank is a mechanical-accelerating clarification tank, a hydraulic circulating clarification tank, a suspending clarification tank or a flushing clarification tank, wherein the flushing clarification tank and the settling tank can be designed into an integer. The industrial wastewater treatment equipment disclosed by the invention is mature and efficient in treatment process, capable of removing sodium irons, and enables industrial wastewater to reach drinking water standards.

The invention relates to a method for cleaning seriously-rusted bend pipes' inner walls. The cleaning method comprises the following steps: (1) residual water on inner walls of bend pipes which have undergone a hydrostatic test is blow-dried; (2) the blow-dried bend pipes are placed on a trolley to be fixed well, directions of pipe orifices of all the bend pipes are maintained consistent, and the trolley is driven into a relatively sealed space; (3) a metal sleeve is arranged to sleeve a nozzle of a sand-blasting gun connected with sand-blasting equipment for placing river sand, and the sand-blasting gun is placed on a triangle support frame; (4) river sand is sprayed from one end of each bend pipe into the bend pipe; (5) after sand-blasting is finished, sponge is blown towards inner walls of the bend pipes so as to clean residual river sand and dust, and the trolley is controlled to move through a PLC program; and (6) inner surfaces of the bend pipes are checked through an endoscope so as to check whether rust is completely cleaned up. River sand is fine and small. Through the rotary sand-blasting operation technology, the inner walls are thoroughly cleaned up. The rust removal cost is low, labor intensity is low, and processing speed is fast.

The invention relates to the field of automatic casting discharging, in particular to an unpowered automatic casting discharging device. The device comprises a bent jacking rail, an elastic reset mechanism, a clamping mechanism, a pushing mechanism and a supporting table. According to the unpowered automatic casting discharging device, the pushing mechanism is driven by a hook to work, and then acasting is clamped through cooperation of the pushing mechanism and a pressurizing mechanism, so that the device can take down the casting which is placed on a flat plate and can shake; according to the scheme, the pushing mechanism is driven by the pushing force of the hook driven by a moving rail to work, use of electrical elements and a control system is avoided, the manufacturing cost of equipment is saved, electric drive is not needed, and then the manufacturing cost of the casting is greatly reduced; and according to the scheme, the ratio of the working speed of the equipment to the speed of the moving rail does not need to be controlled, it can be accurately guaranteed that the error probability is reduced in the taking-down and long-term using process of the casting, and the debugging frequency of the equipment is reduced.

The invention relates to a pulse diversion cavitation generator. The pulse diversion cavitation generator comprises a pulse cavitation nozzle, an abrasion-resistant throat neck, an abrasion-resistant protecting sleeve and a flow stabilizing pipe. The abrasion-resistant throat neck is of a hollow cylindrical structure and internally provided with riflings. The abrasion-resistant protecting sleeve is arranged outside the abrasion-resistant throat neck in a sleeving mode and fixedly connected with the abrasion-resistant throat neck. The pulse cavitation nozzle is fixedly connected with one end of the abrasion-resistant protecting sleeve. The other end of the abrasion-resistant protecting sleeve is fixedly connected with the flow stabilizing pipe. The pulse cavitation nozzle, the abrasion-resistant throat neck and the flow stabilizing pipe are communicated in sequence. According to the pulse diversion cavitation generator, the pressure of cleaning jet flow is small and only is 10-16 MPa; the generator is not dangerous for a user, and the safety of personnel and dirt removing can be ensured; meanwhile, it is ensured that oil paint and an antifouling and anticorrosion coating on a processed surface cannot be damaged.

The invention discloses a 25-40mm specification Q235 pockmark control process, and relates to the technical field of steel production. The process comprises the steps that a Q235B steel type furnace charging plan is optimized and adjusted, and before Q235 steel type rolling, steel types with high surface quality requirements and thick plates with the specification being 40mm or above are not arranged; the condition of a rolling mill descaling header nozzle is replaced and checked regularly; according to the adjusted equipment condition, descaling processes of Q235B steel types with different thicknesses are redesigned; the Q235B steel types with different thicknesses are tracked, and the rolling control time is adjusted; and the surface quality conditions of steel plates under different finish rolling temperatures are analyzed, and the finish rolling starting process and the finish rolling process are adjusted according to the performance allowance of the steel plates. By adjusting the related rolling processes, 25-40mm specification Q235B surface pockmarks are reduced, the surface quality of the steel plates is improved, and the pockmark defects are reduced.

The invention relates to the technical field of petroleum processing and discloses a petroleum decontaminating device with multiple sieving. The petroleum decontaminating device comprises a sieving box, wherein a round hole is formed in a left lateral wall of the sieving box, a push part is movably arranged on a left lateral wall of a cavity of the sieving box, a supporting plate is fixedly arranged on a right lateral wall of the sieving box, a fixed base is fixedly arranged at the top of the supporting plate, a vibrating motor is fixedly arranged at the top of the fixed base, a vibrating shaft is fixedly arranged on the left side of the vibrating motor, a plastic rod is fixedly arranged at one end far from the vibrating motor of the vibrating shaft, one end of the plastic rod extends intothe cavity of the sieving box, a filter plate is fixedly arranged at one end far from the vibrating shaft of the plastic rod, a filter hole is arranged at the top of the filter plate, a filter screenis arranged in the filter hole, a connection rod is fixedly arranged on one side, opposite to the left lateral wall of the cavity of the sieving box, of the filter plate, and an oil outlet is formedin the right lateral wall of the sieving box. The petroleum decontaminating device with the multiple sieving has the advantages of good sieving effect and convenience for people to use.

The invention relates to a process for treating coal chemical waste water, wherein a method combining active material adsorption and biochemical treatment is adopted. The method comprises the following steps of: firstly, introducing coal chemical waste water in a waste water regulating reservoir; secondly, introducing the waste water subjected to adsorption treatment by an adsorption tank into a clarification reservoir for sedimentation; then introducing the waste water subjected to the treatment of the clarification reservoir into a biochemical unit for biochemical treatment; and finally, introducing the waste water subjected to the biochemical treatment into a sedimentation reservoir for sedimentation treatment. In the technical scheme, macromolecular organic pollutants are removed through adsorption, therefore, the requirement of the subsequent biochemical treatment is met, and the problems of insufficient utilization of pores of activated carbon and incomplete exertion of the adsorbability of the activated carbon due to the influence of sludge when the activated carbon is added into an activated sludge aeration tank in the prior art are solved; and the process for treating coal chemical waste water has high efficiency and can sufficiently utilize the pores of the activated carbon and ensure the full exertion of the adsorbability of the activated carbon.

The invention provides a municipal sludge vacuum low-temperature continuous drying method and equipment. The invention belongs to the technical field of sludge drying treatment. The drying method is based on municipal sludge continuous drying equipment. The equipment comprises a relatively sealed drying shell for drying municipal sludge, wherein a horizontal rotating shaft connected with a power device is arranged in the drying shell, a plurality of heating plates perpendicular to the horizontal rotating shaft are arranged on the horizontal rotating shaft, the heating plates are communicated with a power supply or a heat source, material distribution assemblies and scrapers are arranged on the left sides and the right sides of the heating plates, a spiral sealing discharging assembly is arranged below the drying shell, and the heating plate is driven by the horizontal rotating shaft to rotate. According to the municipal sludge drying device, the heating disc rotates by a circle to achieve drying treatment of municipal sludge, the material distribution assembly coats new municipal sludge to be dried again from the back while the scraper blades scrape down the dried municipal sludge,so that the municipal sludge is continuously dried, and the municipal sludge drying device is suitable for industrial drying treatment of the municipal sludge.

The invention provides a cooking utensil, a soybean milk making method, a computer device and a computer readable storage medium. The cooking utensil comprises a shell, a steam generating device, a grinding device and a feeding device, wherein the steam generating device is arranged in the shell and provided with a steam outlet; the grinding device is arranged in the shell and connected with the steam generating device; the feeding device is arranged in the shell, located above the grinding device and provided with a feed inlet, and the feed inlet and a feeding port of the grinding device areoppositely arranged. According to the cooking utensil, steam generated by the steam generating device enters the grinding device through the steam outlet, materials in the feeding device enter the grinding device through the feed inlet and the feeding port, and the action time of steam and various materials can be reasonably controlled, so that inherent nutrition in various materials is not lost,anti-nutritional factors are completely killed, the good quality and eating safety of food with mixed taste are guaranteed, and the use experience of users is improved.

The invention relates to the technical field of copper wire processing, in particular to a device for cooling and drying a copper wire. The device comprises a water cooling device and a drying device.The water cooling device comprises a water storage drum and a circulating water way. A first wire guide wheel and a second wire guide wheel are arranged at the upper end of the water storage drum. Athird wire guide wheel is arranged on the inner wall of the lower end of the water storage drum. A filtering device, a water cooler and a water suction pump are arranged on the circulating water way.The drying device comprises a first wipe-drying device and an air-drying device. The first wipe-drying device comprises a box body and dehumidifying cloth, a sponge is arranged in the box body, a first partition is arranged below the sponge, and springs are further arranged below the first partition. The air-drying device comprises an air pipe and a draught fan. Multiple wire inlets are formed inone end of the air pipe, and wire outlet nozzles are arranged at the other end of the air pipe. Second partitions are arranged on the portion, close to the wire inlet end, in the air pipe. Air inflowpipes are arranged on the two sides of the air pipe. Through the simple structure, the copper wire is better cooled, water on the outer wall of the copper wire is completely dried away after the copper wire is water-cooled, and therefore the use performance of the copper wire is improved.

The invention discloses an online recycling method of high-wet-strength broke, which belongs to the technical field of papermaking and comprises the following steps: step 1, adding retention aid anionCMC into wet-strength paper production; 2, collecting broke generated in the wet strength paper production process, adopting a dry broke treatment steamer with a stirrer for centralized treatment within 2 h, and carrying out heat preservation till paper scraps are completely disintegrated; 3, sending a rewound paper edge to a hydrapulper at the dry part of a paper machine for repulping; 4, conveying the paper scraps screened out by the paper machine screening system directly to a broken paper knocking front groove of the paper machine; 5, conveying the paper treated in the step 2, the step 3and the step 4 to a double-disc pulping machine in a centralized mode to be pulped to obtain a pulp; step 6, conveying the pulp treated in the step 5 to a wet strength paper production system for recycling; according to the method, the pulping fibers are recycled, waste of fiber raw materials is avoided, the paper quality index is not affected, and the water absorption and mildew resistance of thewet strength paper are enhanced.

The invention relates to the field of automatic casting discharging, in particular to a working method of an unpowered automatic casting discharging device. The unpowered automatic casting dischargingdevice comprises a bent jacking rail, an elastic reset mechanism, a clamping mechanism, a pushing mechanism and a supporting table. According to the unpowered automatic casting discharging device, the pushing mechanism is driven by a hook to work, and then a casting is clamped through cooperation of the pushing mechanism and a pressurizing mechanism, so that the device can take down the casting which is placed on a flat plate and can shake; according to the scheme, the pushing mechanism is driven by the pushing force of the hook driven by a moving rail to work, use of electrical elements anda control system is avoided, the manufacturing cost of equipment is saved, electric drive is not needed, and then the manufacturing cost of the casting is greatly reduced; and according to the scheme,the ratio of the working speed of the equipment to the speed of the moving rail does not need to be controlled, it can be accurately guaranteed that the error probability is reduced in the taking-down and long-term using process of the casting, and the debugging frequency of the equipment is reduced.

The invention provides a method for separating multiple active ingredients from peanut coat. The method comprises the following steps: carrying out heating reflux extraction on a peanut coat raw material by adopting a lipophilic organic solvent for more than two times to extract higher fatty acid, carrying out hot water extraction on extraction residues again, carrying out ultrafiltration and nanofiltration, treating a nanofiltration membrane trapped fluid to obtain peanut coat procyanidine, adsorbing a nanofiltration membrane permeate liquid by using a polyamide resin column, eluting to obtain peanut coat catechin, adding low-carbon alcohol into the hot water extraction residues, and obtaining the peanut coat resveratrol through a chromatography aluminum oxide resin column. According to the method, various peanut coat active ingredients can be simply and continuously extracted, peanut coat resources can be comprehensively utilized, the process is coherent and simple, the content of various active ingredients is high, the yield is high, aflatoxin is not contained, and the method is suitable for industrial production.

The inVention discloses a preparation method of an optical anti-fake film with accurate aluminum washing. A micro-nano structure is imprinted on an information layer through a metal reflection layer,and the metal reflection layer of the micro-nano structure region breaks so as to fit the micro-nano structure of the information layer; a photocurable coating with alkaline solubility coats the metal reflection layer to form a light-sensing protectiVe layer, and light makes incidence from the side of a base membrane and irradiates the light-sensing protectiVe layer of the micro-nano structure region through a breakage gap of the metal reflection layer to solidify the light-sensing protectiVe layer; the part, not solidified, of the light-sensing protectiVe layer and the metal reflection layercorresponding to the coating are remoVed through alkaline wash; coating of a gum layer is performed, and therefore the optical anti-fake film with a clear and accurate boundary is obtained. Accordingto the technical scheme of the method, in order to solVe the problems that in an existing aluminum washing technology, oVerprint precision is low, operation difficulty is high, and a safe coefficientis low, the reasonable micro-optics nanometer structure is designed, the structure, light-transmitting mechanism and optical material of the reflection layer are researched, aluminum-remoVal precision with near-zero offset can be realized, and the optical anti-fake film is suitable for all kinds of empaistic optical anti-fake structures.