281results about How to "Continuous production" patented technology

The invention relates to the technical field of bearing production and conveying, and discloses a conveying device for deep groove ball bearing production, which comprises a conveying platform, the left side of the conveying platform is fixedly connected with a blanking plate, the right side of the conveying platform is provided with a conveying belt, and the bottom of the conveying platform is fixedly connected with a fixing frame. An intermittent arrangement mechanism is arranged at the top of the fixing frame and comprises a motor, the motor is fixedly connected to the top of the fixing frame, bearings can be conveyed through rotation of a conveying disc, the bearings are prevented from being stacked together, and the bearings can be intermittently limited through front-back movement of a limiting rod; therefore, intermittent conveying and arrangement of the bearings are achieved, mutual extrusion and accumulation of the bearings can be avoided, materials are kept to be evenly distributed on the conveying belt, the conveying belt runs smoothly, the shutdown cleaning frequency caused by blockage is reduced, the continuous production process is guaranteed, and the conveying efficiency is effectively improved.

The invention relates to the technical field of adhesives, in particular to a hot melt adhesive, a preparation method thereof and a fuel cell membrane electrode. The hot melt adhesive comprises a first bonding layer and a second bonding layer; the first bonding layer comprises polyester resin, a styrene thermoplastic elastomer, a grafted toughening agent, an epoxy chain extender and a first organic solvent; the second bonding layer comprises an ethylene-methyl acrylate copolymer, a copolyester hot melt adhesive, an ethylene-methyl acrylate-glycidyl methacrylate terpolymer, an epoxy ring-opening accelerant and a second organic solvent. The hot melt adhesive provided by the invention has a two-layer structure, can realize good bonding of PEN and PFSA, does not blister or crack after being soaked in a sulfuric acid aqueous solution with the pH value of 2 at 95 DEG C for more than 2000h, can maintain good bonding performance, and has no crystal point in a formed film.

The utility model relates to the technical field of carbonization furnaces, in particular to carbonization furnace flue gas recycling equipment, which comprises crushing and drying equipment, a conveying system, a carbonization furnace, a combustion chamber, a flue gas pipeline and tail gas treatment equipment, a combustion chamber is arranged below the carbonization furnace, the combustion chamber and the crushing and drying equipment are connected with the carbonization furnace through flue gas pipelines, and the crushing and drying equipment is connected with tail gas treatment equipment through a pipeline. According to the equipment, different requirements of different carbonization raw materials on crushing and drying are met, and the conveying system is in transmission connection with a discharging opening of the crushing and drying equipment and a feeding opening of the carbonization furnace, so that dried particle materials can be conveyed to the carbonization furnace in real time; in addition, flue gas generated by the carbonization furnace serves as fuel to be conveyed to the carbonization furnace and the smashing and drying device, energy consumption of the device is reduced, energy is saved, the carbonization furnace can conduct carbonization treatment continuously, and continuous production is achieved.

The invention provides a process for preparing lanthanum oxide by recovering lanthanum samarium slag through a nitrogen vortex separation method, which comprises the following steps: S1, distilling the lanthanum samarium slag through lanthanum thermal reaction, and then cutting into blocks for crushing; s2, the diced lanthanum samarium slag is put into a vertical compound crusher to be crushed; s3, separating metal lanthanum and samarium particles from the crushed particles through a particle winnowing machine; s4, performing precise winnowing on the lanthanum oxide and samarium oxide mixed powder to separate samarium oxide; s5, mixing the samarium oxide enrichment with a new material, and performing lanthanum thermal reaction distillation again; s6, the crushed lanthanum samarium powder is filled with nitrogen in a spiral separation powder stacking machine, and lanthanum powder is separated through vortexes; s7, the remaining lanthanum samarium powder is subjected to high-flow-rate separation, and after lanthanum powder is separated out, the lanthanum powder is returned to samarium oxide reduction production; and S8, the content of samarium in the recovered lanthanum powder is lower than 1%, and the recovered lanthanum powder can be used for lanthanum oxide electrolytic reduction to produce metal lanthanum. The method solves the problems of treatment and recovery of the lanthanum samarium slag, and has remarkable advantages in the aspects of environmental protection, cost, efficiency, product quality and the like.

The invention discloses roughness detection equipment and a detection method for aero-engine blade machining, and relates to the technical field of engine blade detection.The roughness detection equipment comprises an equipment shell, a double-station table is arranged in the equipment shell, two movable discs are symmetrically arranged at the top of the double-station table, the positions of the two movable discs can be switched, and the two movable discs are arranged in the equipment shell; a plurality of clamping assemblies and a plurality of workpieces are annularly arranged at the top of the movable disc, and the plurality of clamping assemblies can work simultaneously to clamp the corresponding workpieces, so that the problem that a plurality of fastening knobs need to be manually rotated by a worker in an existing roughness detection device, and the detection period of each round of workpieces can be remarkably prolonged through existing operation steps is solved.

The invention relates to the technical field of steel wire rope bundling equipment, and particularly discloses a steel wire rope machining bundling device which comprises a base, a steering structure, a discharging structure, a cutting structure and a tightening structure. The base is rectangular, the steering structure is fixedly arranged in the middle of the upper wall of the base, the discharging structure is fixedly arranged in the middle of the upper wall of the right end of the base, the cutting structure is fixedly arranged on the discharging structure, and the tightening structure is fixedly arranged on the upper wall of the base and located on the left side of the steering structure. According to the steel wire rope winding device, the corresponding length and the inner wall diameter of a wound steel wire rope can be conveniently wound according to the actual winding requirement through the steering structure, coiled steel wires or iron wires can be directly installed through the discharging structure, then the iron wires are directly pulled, put and cut, the steel wire rope is cut into a certain length, and the steel wire rope winding device is convenient to use. And finally, the two ends of the steel wire wound on the steel wire rope are clamped and rotated for binding through the binding structure, and after binding, the winding end of the steel wire can be pushed, pressed and toppled to prevent scratches.

The invention relates to a method for separating and enriching rhenium from a rhenium-containing solution, belongs to the technical field of scattered metal metallurgy, and is used for solving at least one of the problems of low recovery rate, high acid and alkali consumption, poor selectivity and the like in the existing rhenium recovery method. According to the method, selective separation of rhenium and impurity ions in the rhenium-containing solution and synchronous enrichment of rhenium are achieved through forced interphase migration of the coupled electric field and selective rhenium extraction of the organic reagent, continuous selective rhenium extraction and rhenium enrichment can be achieved, and it is not needed to consume a large amount of acid and alkali for reverse extraction and regeneration of the organic reagent; the organic reagent is equivalent to a selective separation membrane, effective separation of rhenium and impurity ions can be achieved, and the dosage of the organic reagent can be greatly reduced.

The utility model relates to a device for preparing pure silane from mixed chlorosilane, which comprises a silicon tetrachloride separation tower, a chlorosilane adsorption column, a silane reaction tower, a silane de-heavy tower, a silane adsorption column and a silane refining tower which are sequentially connected in series, and an upper end outlet of the silicon tetrachloride separation tower is connected with a lower end inlet of the chlorosilane adsorption column; an upper end outlet of the chlorosilane adsorption column is connected with a raw material inlet of the silane reaction tower; an upper end outlet of the silane reaction tower is connected with a raw material inlet of the silane heavy component removal tower; an upper end outlet of the silane heavy component removal tower is connected with a gas phase inlet of the silane adsorption column, and a lower end outlet of the silane heavy component removal tower returns to the middle part of the silane reaction tower; a gas phase outlet of the silane adsorption column is connected with a raw material inlet of the silane refining tower; and an electronic-grade high-purity silane product is obtained at a side line outlet of the silane refining tower. The device is suitable for continuous production of kiloton-grade high-purity silane and continuous production of kiloton-grade high-purity silane, and the energy consumption and the operation cost in the process can be reduced.

The present application relates to a kind of compositions and applications comprising polyamide.The composition includes polyamide and sheet structure mineral powder, wherein, with 100 mass parts of polyamide, sheet structure mineral powder in the composition is 0.1-10 mass parts.The polyamide material in the present application has lightweight, easy processing, has cost advantage, compared with steel material has obvious advantage.Sheet structure mineral powder is added in polyamide material by intercalation modification, further improve the barrier property of product, effectively avoid "hydrogen embrittlement" risk, with "hydrogen embrittlement" resistance, low hydrogen permeability, and suitable for the temperature range of application, it has high toughness in low temperature environment condition, the performance of polyamide material reaches a good balance, and the comprehensive performance is better.Suitable for hydrogen pipeline, hydrogen storage bottle etc., has advantage in hydrogen energy automobile and other application scenarios.

This invention provides an integrated device and method for gas ultrapurification, comprising: an integrated sealed cavity; an adsorption system disposed inside the integrated sealed cavity, the adsorption system being filled with at least one adsorbent; a temperature control system disposed inside the integrated sealed cavity, including independent refrigerant circulation loops and hot medium circulation loops, for temperature control of the adsorption system; and a gas pipeline system including a raw material inlet, a displacement gas inlet, a product gas outlet, and a desorption gas outlet, each interface being connected to the integrated sealed cavity; the temperature control system controls the temperature of the adsorption system, enabling the sequential execution of a series of processes within the integrated gas ultrapurification device under the condition of an inert gas flow: preheating and activation of the adsorbent, low-temperature adsorption purification of the gas, high-temperature desorption regeneration, and cooling of the adsorbent for later use. The method of this invention is simple, easy to operate, and has broad industrial application prospects.

The invention belongs to the technical field of synthesis of chemical intermediates, and particularly relates to a system and a method for continuously preparing phosphorus oxybromide. According to the system provided by the invention, through continuous preparation design, continuous production of phosphorus oxybromide can be realized, the preparation efficiency is improved, and the problem that the product yield and purity are reduced due to long-time high-temperature separation is avoided. Phosphorus tribromide is used as a raw material, trichloromethane is used as a solvent, the phosphorus tribromide and the trichloromethane are mixed to obtain a mixed solution, the mixed solution enters the reaction tower and is in contact with a mixed gas of nitrogen dioxide and oxygen entering the reaction tower, phosphorus tribromide is oxidized into phosphorus oxybromide, nitrogen dioxide and residual oxygen are recycled from the top of the reaction tower, waste gas emission is reduced, and the production cost is reduced. The mixed solution of trichloromethane and phosphorus oxybromide firstly passes through the falling film evaporator to evaporate most of the solvent, and then passes through the scraper film evaporator to evaporate the residual solvent, so that the solvent is recycled, the energy consumption is reduced, the time of the phosphorus oxybromide staying in the evaporator is reduced, and the yield and purity of the phosphorus oxybromide are improved.

A parallel continuous rapid emulsion preparation device includes a pure water tank connected to a pure water main pipe via a water pump. The pure water main pipe is connected to the inlet pipes of an aqueous phase reactor, an oil phase reactor, and a dilution reactor via a first, second, and third pure water branch pipe, respectively. A glycerol tank is connected to the oil inlet pipes of the oil phase reactor and the dilution reactor via a gear pump, a glycerol main pipe, a first glycerol branch pipe, and a second glycerol branch pipe, respectively. The discharge pipe at the bottom of the aqueous phase reactor is connected to the inlet of the oil phase reactor via a first feed pump. The discharge pipe at the bottom of the oil phase reactor is connected to the inlet of the dilution reactor via a second feed pump. The discharge pipe at the bottom of the dilution reactor is connected to a storage tank. Heating structures are provided on the side walls of the aqueous phase reactor and the oil phase reactor. Vacuum pipes are provided on the top of both the oil phase reactor and the dilution reactor, and these vacuum pipes are connected to a vacuum pump.

The present application provides a kind of nitromethane tail gas treatment method, comprising the following steps: sodium hydroxide or potassium hydroxide aqueous solution and low-grade fatty diol and organic base miscible to form mixed solution after preheating, then nitromethane tail gas is passed into mixed solution and reacts, reaction end product is separated and purified to obtain corresponding sodium nitrite or potassium nitrite product.The present application also provides a kind of nitromethane production method, including the sodium nitrite or hydrogen potassium obtained above as raw material to recycle production nitromethane.The method of the present application solves the problem of nitromethane tail gas treatment, also can turn waste into treasure, reduce production cost, conducive to nitromethane production and environmental protection.

The present invention provides a fully automatic robot for scraping rubber burrs on tires, belonging to the field of tire processing machinery. The fully automatic robot for scraping rubber burrs on tires comprises a frame mechanism, a tire positioning mechanism, a moving adjustment mechanism and a rubber edge cutter robot arm. The guardrail rollers are symmetrically arranged at the same horizontal position on both sides of the frame mechanism and at the same horizontal position in front and back. A sidewall scraper is fixed to the front end of the second cylinder; the sliding machine cutter head can be attached to the rotating tire surface, and the fully automatic robot can scrape off the excess rubber burrs and rubber edges on the tread with the arc displacement angle of the tire; the shaft roller mechanism is installed at the lower part of the frame mechanism, and the tire pressing roller mechanism is installed at the upper part of the frame mechanism; when the tire rotates on the two rotating rollers, the tire is not balanced, and there are problems of shaking, jumping and swinging, which eliminates the problem that the angle of the manually operated tool is difficult to keep balanced with the tread, which is easy to damage the tread and cause safety hazards.

The invention belongs to the technical field of flexible circuit boards, and discloses a method for manufacturing a flexible circuit board. The method comprises the following steps: S1, cutting a first metal layer to form a first conductive layer attached to a first insulating layer; s2, etching the second metal layer to form a second conductive layer attached to the second insulating layer, and cutting communication holes in the second insulating layer and the second conductive layer; s3, cutting a component hole in the third insulating layer; and S4, sequentially laminating the first insulating layer, the first conductive layer, the second insulating layer, the second conductive layer and the third insulating layer. The circulation unit of the second conductive layer is manufactured through the etching process, the flexible circuit board with the long circulation unit is prevented from checking the die cutting device, the equipment cost is saved, except the circulation unit and the flexible circuit board, other parts are manufactured through the die cutting process, unified manufacturing can be carried out after the circulation unit is manufactured, continuous production is achieved, and the production efficiency is improved. And the production efficiency is guaranteed, and die cutting and etching are cooperated to jointly control the production cost.

The present invention discloses a swing arm type hydraulic cattle skin pulling system, including a hydraulic swing arm skin pulling device, a cattle carcass conveying device, a cattle leg tying device and a cattle skin air delivery device, wherein the cattle skin air delivery device is arranged on the ground below the hydraulic swing arm skin pulling device, the cattle leg tying device is arranged on the ground in front of the hydraulic swing arm skin pulling device and the cattle skin air delivery device, and the cattle carcass conveying device is arranged horizontally in the air in front of the hydraulic swing arm skin pulling device; the hydraulic swing arm skin pulling device includes a hanger, a vertical frame, a diagonal frame, a swing arm, a hydraulic cylinder, a roller protection frame, a skin pulling roller, a skin pulling chain, a motor and a reducer; the cattle carcass conveying device includes a suspension beam, a slide rail and a slide hook; the cattle leg tying device includes a cattle leg fixing frame and a diagonal reinforcement frame. The equipment of the present invention adopts hydraulic transmission, has light weight, sensitive action and low noise; is hygienic, durable and beautiful in appearance; runs smoothly, has a long service life, can produce continuously and has high efficiency; is easy to operate, has few wearing parts and has reliable performance.

The present disclosure provides an apparatus for injecting a viscous fluid into a blind hole, the apparatus comprising: a conveyor belt for conveying a product having the blind hole; a lifting member configured to move in a vertical direction so as to lift the product from the conveyor belt to an injection position by support action and to lower the product from the injection position back onto the conveyor belt by support action; and a nozzle for releasing the viscous fluid into the blind hole of the product raised to the injection position. The problems of poor precision, low efficiency and unstable quality are effectively solved, the automation degree and the production efficiency of a dispensing process are remarkably improved, and the device is suitable for large-scale industrial production.

The utility model relates to the field of chemical industry, in particular to a production system for manufacturing high-purity silicon dioxide by using silane gas, which comprises a reactor, a gas-phase silica generator, a gas-phase silica generator, a gas-phase silica generator and a gas-phase silica generator, and is characterized in that the reactor is used for reacting required gas raw materials to generate gas-phase silica; the at least one aggregation device is used for aggregating the fumed silica generated by the reactor to form a required particle size; the at least one filter is used for carrying out gas-solid separation on the gas-phase white carbon black material discharged from the gathering equipment; the at least one drying device is used for drying the white carbon black powder filtered by the filter so as to remove water attached to the surface of the white carbon black powder; the at least one cooling device is used for cooling the gas discharged from the filter; according to the invention, continuous and stable production of high-performance and high-quality fumed silica with special purposes can be realized, and the requirements of the production process on materials and structures of equipment, pipelines and the like are reduced.

A coal pyrolysis oil-increasing device and process, comprising a coal slurry preparation unit, a buffer tank, a tubular heating furnace, a coke tower, a fractionating tower, a tar collection unit and a coke collection unit connected in sequence from left to right; wherein the coal-oil slurry preparation unit comprises a coal powder bin, a screw feeder, a flow meter, an agitator, a coal slurry tank and a tank bottom pump connected in sequence from left to right; the tank bottom pump is connected to the buffer tank. Starting from the mechanism of the pyrolysis process of coal, the present invention focuses on affecting the primary pyrolysis of coal, and realizes coal pyrolysis oil-increasing by strengthening the generation of free radicals and the escape of free radicals during the pyrolysis of coal. Solve the problem of high hydrogen consumption in existing hydrogenation pyrolysis. Low metamorphic coal has a high oxygen content, and most of it exists in the form of phenolic hydroxyl groups, which will react with hydrogen free radicals to generate water during hydrogenation pyrolysis. The pyrolysis process adopts a coal-oil slurry feeding method, and there will be no dust (oil-coated coal) when entering the pyrolysis furnace for pyrolysis, which solves the problem of low tar yield in the existing coal pyrolysis process.

The invention provides an efficient buckwheat thick slurry preparation method which comprises the following steps: dispersing one or more of high-temperature-resistant alpha-amylase, medium-temperature alpha-amylase and saccharifying enzyme in water to prepare enzymatic hydrolysate; performing twin-screw extrusion on the enzymatic hydrolysate and the sieved buckwheat flour to obtain coarse buckwheat pulp; and grinding, centrifuging, homogenizing, sterilizing and filling the coarse buckwheat pulp colloid to obtain the dense buckwheat pulp. According to the preparation method, an extrusion technology and an enzymolysis technology are combined, the effect of enzyme on a substrate is enhanced through extrusion, enzyme activation is induced, the utilization rate of the enzyme is increased, the cost is reduced, and the stability, the sweetness, the liquefaction degree and the taste of the buckwheat pulp are remarkably improved; the double-screw extrusion technology is adopted, the process is simple, time and labor are saved, energy is saved, and continuous and efficient production of the buckwheat thick slurry is achieved; different types of enzyme preparations are compounded, so that the stability and sensory performance of the buckwheat thick slurry are remarkably improved, the content of reducing sugar in the thick slurry is remarkably increased, and the sweetness of the thick slurry is improved.

The utility model relates to the technical field of mineral processing, in particular to a wet type ground phosphate rock semi-hydrate-dihydrate acid making process system which comprises an ore grinding feeding system, the output end of the ore grinding feeding system is connected with an ore grinding system, the output end of the ore grinding system is connected with a magnesium removal grading system, and the output end of the magnesium removal grading system is connected with a concentrate thickening system. The output end of the concentrate thickening system is connected with a concentrate storage system, the output end of the concentrate storage system is connected with a filtering and dewatering system, and the output end of the filtering and dewatering system is connected with a concentrate feeding system. According to the wet-type powdered rock phosphate semi-hydrated-dihydrate acid making process system, the overall optimization of the semi-hydrated-dihydrate acid making process of powdered rock phosphate can be realized. The system integrates the treatment links of ore grinding feeding, magnesium removal grading, concentrate thickening, concentrate storage, filtration dehydration, semi-water reaction, semi-water filtration, dihydrate conversion, dihydrate filtration and the like, and continuous and stable production is achieved through automatic control.

A sponge foaming and shaping device comprises a foaming box body, the foaming box body comprises first side plates, second side plates and a bottom plate, the two first side plates and the two second side plates enclose the bottom plate to form a box body structure, opening and closing doors used for feeding are arranged on the first side plates or the second side plates, and the sponge foaming and shaping device further comprises a supporting frame; a suspension frame is installed on the lower side of the supporting frame through a connecting rod, the upper ends of the two first side plates and the upper ends of the two second side plates are hinged to the suspension frame through door shafts correspondingly, first push rod devices are installed on the supporting frame through hinge seats, and the telescopic ends of the four first push rod devices are hinged to the first side plates and the second side plates correspondingly. The four side plates of the shaping device can be opened and closed through the first push rod devices correspondingly, so that during production, the shaping device does not need to be manually and repeatedly disassembled and assembled, the problem that time and labor are consumed due to the fact that multiple workers need to be matched to repeatedly disassemble and assemble the shaping device during production of an existing shaping device is solved, the labor intensity of workers is reduced, and the production efficiency is improved.

The invention relates to the technical field of carbon nano paper preparation, and provides continuous carbon nano paper preparation equipment which comprises a support, a filter membrane, an unwinding device and a winding device and further comprises a supporting piece, the supporting piece comprises two side plates, the two side plates are each provided with a suction filtration pipe, and the suction filtration pipes are used for being connected with a vacuum pump; a negative pressure cavity is formed in the annular multi-cavity rotary negative pressure roller, a radial micropore is formed between the outer circumferential surface and the negative pressure cavity, and a through hole is formed in the end surface and is communicated with the corresponding negative pressure cavity; the two negative-pressure sealing fixed rollers are in contact with the two ends of the annular multi-cavity rotating negative-pressure roller, arc-shaped negative-pressure grooves are formed in the negative-pressure sealing fixed rollers, first suction filtration holes and second suction filtration holes which are communicated with the arc-shaped negative-pressure grooves are formed in the two end faces of the negative-pressure sealing fixed rollers, and the diameters of the second suction filtration holes are gradually increased in the rotating direction of the annular multi-cavity rotating negative-pressure roller; and the arc-shaped liquid supply groove is arranged on the annular multi-cavity rotary negative pressure roller in a sleeving manner. The continuous preparation of the carbon nano paper can be realized, so that the preparation efficiency of the carbon nano paper is effectively improved.

The invention discloses an automatic early warning device and method for the inventory of key parts of an intelligent farm, and relates to the technical field of monitoring and early warning of key parts of intelligent breeding. Comprising an artificial intelligence unit spare part monitoring module, a behavior detector spare part monitoring module and a cloud service platform. Wherein the artificial intelligence unit spare part monitoring module is used for monitoring the number, quality and working state of artificial intelligence unit spare parts; the behavior detector spare part monitoring module is used for monitoring the number of behavior detectors and the number of packaging boxes of the behavior detectors. And the cloud service platform is used for analyzing the received first monitoring data and second monitoring data and judging whether to give an alarm or cancel the alarm so as to realize automatic early warning of the inventory of the key parts of the intelligent farm. According to the invention, normal, stable and continuous production of breeding is ensured, and automatic early warning of the inventory of key parts of an intelligent farm is realized.

The invention discloses a copper-based catalyst for starch hydrogenation sugar conversion and a preparation method and application thereof.The preparation method comprises the steps that alkali is added into a copper salt aqueous solution, filtering is conducted after aging, and hydroxide precipitates are obtained; uniformly mixing the hydroxide precipitate and the carrier to obtain a catalyst precursor, and tabletting and forming; and roasting the formed catalyst precursor at 250-900 DEG C, and then reducing by adopting hydrogen to obtain the copper-based catalyst. The catalyst shows excellent catalytic activity under the optimal reaction condition, effectively improves the yield of glucose, has good stability and reusability, and has wide application prospects in the fields of chemical engineering and biological energy.

The present invention proposes a method for preparing an epoxy resin, which belongs to the technical field of resin synthesis. The method for preparing the epoxy resin comprises the following steps: 1) under nitrogen protection, epichlorohydrin and phenolic resin are added to a high-speed shearing machine for shearing and stirring to obtain a mixed material; 2) the mixed material is heated to 45-65°C, an alkaline catalyst is added, and the mixture is transferred to a high-pressure homogenizer after reacting for 1-4 hours; 3) the reaction material is homogenized in a high-pressure homogenizer, and an alkaline catalyst is added dropwise during homogenization to obtain a semi-finished product; 4) the semi-finished product is placed in a thin film evaporator to remove epichlorohydrin to obtain an epoxy resin. The method for preparing the epoxy resin provided by the present invention has a short reaction time, high reaction efficiency, can be produced continuously, has few side reactions, and is environmentally friendly.

The invention relates to the technical field of active component extraction of rhizoma polygonati, in particular to a method for extracting and separating multiple active components in rhizoma polygonati, which comprises the following steps: step 1, raw material preparation: removing silt from rhizoma polygonati rhizome, cleaning, drying the cleaned rhizoma polygonati to constant weight, and grinding the dried rhizoma polygonati in a grinding centrifugal device; step 2, component extraction: performing ultrasonic-assisted pretreatment on the rhizoma polygonati; extracting flavonoid compounds in rhizoma polygonati by adopting an alcohol extraction method; extracting polysaccharide components in rhizoma polygonati by adopting an alcohol precipitation method; step 3, separation and purification: purifying the polysaccharide by using anion exchange column chromatography; and the flavonoid compounds are purified by using a macroporous resin adsorption method. According to the method disclosed by the invention, ultrasonic waves are utilized for pretreatment, so that the penetrating power of cell membranes is increased, and therefore, active substances in cells can easily permeate, and the purity and the quality of various active components in the finally extracted rhizoma polygonati are improved.

The invention discloses a half shaft heat treatment machining device which comprises a fixing frame, a cooling pond is fixedly arranged at one end of the fixing frame, a righting device for supporting a half shaft and keeping the half shaft in a vertical state is arranged on the cooling pond, an upper fixing piece for fixing the top end of the half shaft is arranged on the righting device, and a lower fixing piece for fixing the top end of the half shaft is arranged on the upper fixing piece. The centering device is provided with a lower fixing piece for fixing the bottom end of the half shaft, the upper fixing piece is provided with a positioning piece for positioning the half shaft, and the fixing frame is provided with a feeding device for guiding the half shaft into the positioning piece and pushing the half shaft to move downwards to enter the position between the upper fixing piece and the lower fixing piece. Through the design of the upper fixing piece and the lower fixing piece, the half shaft can rapidly fall into the cooling pond after being heated, a new half shaft can automatically enter the position between the upper fixing piece and the lower fixing piece, the continuous production process is achieved, and through the design, manual intervention is reduced, and production continuity and high efficiency are guaranteed.

The application provides an intelligent machining method and system capable of realizing continuous unmanned production and not needing to pause and wait. The intelligent machining method comprises the following steps: an input procedure, inputting a blank; a feeding procedure, feeding the input blank; a machining procedure, machining the fed blank to form a workpiece; and a discharging procedure, discharging the machined workpiece. In the feeding procedure, the blank is stored in a storage bin. The input procedure comprises the following steps: inputting the blank into the storage bin by using an input device; arranging an input monitoring unit at the storage bin to monitor the storage condition in the storage bin in real time; determining whether the storage condition in the storage bin is sufficient according to the monitoring result of the input monitoring unit; and forming an input control signal to make the idle input device transport the blank to the storage bin when the storage condition is insufficient.

The utility model relates to the field of petroleum chemical technology, concretely relates to a catalyst settlement system stable in operation and good in settlement effect, including clarification mechanism, sludge buffer tank, feed pipeline, sludge tank, backflow pipeline, overflow pipeline, filter press, filtrate tank and sludge discharge pipeline, the clarification mechanism includes a plurality of settlement tanks that are arranged side by side from front to back in proper order and the clarification tank that is arranged at the end of clarification mechanism, the bottom of clarification tank is provided with special ammonium sulfate solution discharge pipeline, is provided with ammonium sulfate solution pump on the ammonium sulfate solution discharge pipeline, the end of ammonium sulfate solution discharge pipeline extends to ammonium sulfate tank area, the outlet end of ammonium sulfate solution pump is equipped with a branch pipeline, this branch pipeline is connected with the feed inlet on the top of filtrate tank through regulating valve, the bottom outlet of filtrate tank is connected with the inlet of clarification mechanism through filtrate pump. The catalyst settlement system is stable in operation, and the downstream device operation cycle is prolonged.