693results about How to "Achieve serialization" patented technology

The invention discloses a jet yarn spinning device for an electrostatic spun nano fiber, which includes a collecting device, wherein two thread jetting devices are arranged on the two sides of the collecting device and connected with a high-voltage electrostatic generator; a buncher is arranged below the collecting device; the two thread jetting devices are arranged between the collecting device and the buncher and symmetrically and oppositely arranged along the axis; a jet nozzle twister is arranged below the buncher; a delivery roller is arranged below the jet nozzle twister; a winding mechanism is arranged below the delivery roller; and the collecting device, the buncher, the jet nozzle twister and the delivery roller are arranged along the same axis from top to bottom. The electrostatic spun nano fiber spinning device integrates thread jetting, collecting, drawing, twisting and winding, and can continuously prepare the electrostatic spun nano fiber yarns. The nano fiber spinning method has simple process, high yarn yield, is suitable for multiple polymer yarn solutions, and realizes the continuous and scaled preparation of the nano fiber yarns.

The invention discloses a coarse cereal instant rice and a preparation method of the coarse cereal instant rice. The coarse cereal instant rice is mainly prepared by conducting extrusion curing, cutting, pelletizing, drying, then baking and puffing on coarse cereal powder, starch and solid vegetable oil, wherein the coarse cereal is selected from one or combination of corn flour, rice flour, sorghum flour, buckwheat, pearl barley flour, black rice four, sweet potato flour, millet flour, coarse rice powder, glutinous rice flour, red rice flour, soybean flour, red bean flour, green gram starch, black bean flour, oat powder and wheat flour. The coarse cereal instant rice provided by the invention adopts a loose porous structure inside, so that the coarse cereal instant rice is good for digesting and absorbing and is excellent in rehydration property, the rehydration time is relatively short, the rehydrated rice is in full grain, and the coarse cereal instant rice is chewy and not hard or sticky when being eaten.

The vertical dual-shaft four-cylinder electrohydraulic servo testing machine comprises: a hydraulic pressure drive for dual-direction stress filed, a four-cylinder drive fit to any loading path, a differential close-loop servo system, a function generator fit to different waves, a position transfer device fit to assemble the test piece, a guide plate and linear rail to ensure co-shaft and avoid bending. This invention is very convenient.

The invention provides an electric energy service management platform based on a two-level deployment and multistage application mode. The electric energy service management platform comprises a headquarter stage platform, a provincial level platform and an enterprise master station, wherein the headquarter stage platform and the provincial level platform realize information interaction and information sharing through Ethernets and switches in the power information intranet; the enterprise master station is connected with the provincial level platform through a wireless operator public network APN / VPN, a security access platform and the Ethernet. The electric energy service management platform based on the two-level deployment and multistage application mode has the advantages of clear structural division, excellent operating performance, high service extensibility and low operating maintenance risk and is a modular, distributed and intelligent integrated electric energy service management platform provided with service function modules such as a DSM (Demand Side Management) target responsibility assessment module, an orderly power utilization management module, a demand response module, a power sale market analysis module, an energy utilization service module, an energy-saving service management module, an energy utilization acquisition management module and a knowledge base module.

The invention discloses a four-pitch wire twisting machine capable of realizing continuous production, comprising a machine body, a driving mechanism, a cradle, a wire-in main shaft, a wire-out main shaft, two twisting bow brackets, a pair of twisting bows, a first wire twisting guide wheel, a second wire twisting guide wheel and a traction device, wherein the pair of twisting bows are respectively used as a wire-in twisting bow and a wire-out twisting bow, that is, a counter weight twisting bow of the prior art is used as the wire-out twisting bow so as to ensure a core wire passes through the two twisting bows to realize four-pitch wire twisting; meanwhile, in order to ensure the core wire can walk along the wire-out twisting bow, a wire-out guide wheel, a third wire twisting guide wheel and a fourth wire twisting guide wheel are additionally arranged, so as to ensure multistrand conductors or core wires in the twisting machine first enter from the wire-in main shaft and finally exit from the wire-out main shaft by passing through the first wire twisting guide wheel, the wire-in twisting bow, the second twisting wire guide wheel, the traction device, the wire-out guide wheel, the third wire twisting guide wheel, the wire-out twisting bow and the fourth wire twisting guide wheel. The wire twisting machine is high in efficiency and low in loss, can realize continuous production, and can be used as a single machine or be used for united machine production.

The invention relates to alloy cathode foil which is special for capacitors and produced by a continuous roll casting method, and the alloy cathode foil is characterized in that the foil comprises the following chemical components by mass fraction: 0.10-0.20% of Si, 0.46-0.50% of Fe, 0.14-0.18% of Cu, 0.9-1.0% of Mn, 0.01-0.05% of Mg, not more than 0.01% of Zn, not more than 0.05% of Ti, and the balance of Al. The preparation method comprises the following steps: a. producing a roll-casting roll; b. rolling the roll-casting roll, that is, roll-casting a 7.5 mm roll-casting plate into 5.0 mm, performing uniform annealing, roll casting to orderly obtain a dimension of 2.5 mm, 1.25 mm, 0.7 mm, and 0.5 mm, performing intermediate annealing, roll casting to orderly obtain a dimension of 0.24 mm, 0.15 mm, 0.09 mm, and 0.062 mm so as to obtain the finished product. The method shortens the production flow, and simplifies the production process, and the obtained aluminium foil has good quality.

The invention relates to a conductive fiber and its preparation method. The conductive fiber has core-skin composite structure, the core layer is polyester and the cortical layer is polypropylene with containing conductive components, the skin-core ratio is 2:8-8:2; the quality percentage formula of cortical layer is: polypropylene 70-80%, nano-conductive powder 20 - 30%; said nano-conductive powder is tin oxide doped with antimony, the average diameter is not more than 0.1 micron, the resistance value is 10 omega.cm, its surface is treated and the treatment agents includes 3 - 10% coupling agent, 2 - 5% dispersing agent and 0.01- 0.1% anti-oxidant agent, said coupling agent is mono-alkoxylation catalyst barium ester or chloropropylated methoxyl silicon alky coupling agent; said dispersing agent is low molecular polyethylene wax; said anti-oxidant agent is four[ beta -(3',5'-di- tertiary-butyl- hydroxyl phenyl) ethylformic acid] pentaerythrite ester. The preparation method first prepares conductive polypropylene parent granule according said formula in the invention, then prepares conductive fiber through melting spinning technology.

The invention provides a solid biomass vertical continuous retorting device, a retorting cylinder 1 is arranged in a shell body 9, a heat preserving layer and a fire-resistant layer 11 are arranged on the inner wall of the shell body 9; a heating cavity is formed between the fire-resistant layer 11 and the retorting cylinder 1, and material finishes retorting process in the retorting cylinder. After being discharged out, the produced retorting gas is mixed with air and is ignited, and then is led into the heating cavity 25, so that the energy of the solid biomass can be taken full advantage. The charcoal produce during retorting is discharged out from a rotating cone frustum 12 on the bottom of the cylinder and falls into a material chamber 16. When the charcoal discharging outlet cooperates with a spiral discharger, and the device can operate continuously in hermetic state. Part of the energy required by retorting comes from retorting gas which is the side product of retorting, so the device consumes less energy.

The present invention discloses a continuous chemical powder-plating method and apparatus. The apparatus incldues the first container with suspension comprising powder and solution L1, mechanical stirrer or ultrasonic generator inside the first container, the second container with solution L2, with the solution L1 and solution L2 being main salt and reducing liquid separately or plating liquid and pH regulating liquid separately. The first container and the second container are connected to a mixing chamber via pipe with separate metering pump, the mixing chamber is connected via pipe to coil pipe in the ultrasonic generator, and the coil pipe is also connected to one third container. After the solution L1 and the solution L2 are mixed in certain ratio, the mixed solution is set in the coil pipe for chemical plating reaction.

The invention relates to a non-intervention resident load identification method, comprising the following steps: 1) Obtaining load characteristic indexes of all resident electrical appliances in a resident family, and constructing a resident family load characteristic database; Identify the load and perform voltage and current sampling, and preprocess the sampled data; 3) judge whether the residential load switching event occurs according to the passed voltage and current sampling values, if so, proceed to step 4), if not, return to step 2 ); 4) Extract the characteristic index of the load to be identified according to the sampled values ​​of the passing voltage and current; 5) According to the established database of residents’ household load characteristics and the characteristic index of the load to be identified, determine the load type where the switching event occurs, and obtain the Working status information of home appliances in the home. Compared with the prior art, the present invention has the advantages of simplicity, convenience, accuracy, strong anti-interference and the like.

The invention discloses an automatic continuous manufacturing process for green tea. The process comprises the procedures of storing fresh leaves, deactivating, using a conveying belt (blast type), regaining moisture, using the conveying belt, kneading and twisting, using the conveying belt (vibrating) medium block, using the conveying belt (cooling), primarily drying, using the conveying belt (air-conditioning cooling), using a stepped continuous carding machine, using gross fire, spreading and secondarily drying to extract fragrance. The green tea manufactured by the method has the characteristics of green and oily color, compact and graceful appearance, and rich fragrance and mellow taste. By the method, mechanized processing and pollution-free production of the green tea are realized; labor intensity is greatly reduced; working efficiency is improved; production cost is reduced; and quality of products is improved.

The invention provided a sewing machine for improving the efficiency of sewing work and quickening it. The sewing machine is provided with a needle driving means 30, a cloth pressing means 40, a moving means 50 for positioning a sewing needle 11 to cloth, an input means 20 for inputting the setting relating to sewing, a storage means 103 for respectively storing sewing data and successive sewing data composed of two or more pieces of the sewing data, and an operation control means 100 for controlling respective parts on the basis of the respective stored sewing data. The order of sewing is specified for two or more pieces of sewing data and is inputted by the input means 20 and the storage means 103 stores it. The operation control means 100 makes the sewing of the sewing data or the successive sewing data be successively performed according to the stored order and waits for the detection of re-pressing by the cloth pressing means every time sewing is performed for the respective successive sewing data or sewing data for which the order is specified.

The invention provides an anthropomorphic phantom manufacturing method based on radiation detection; the manufacturing method comprises manufacturing of anthropomorphic phantom skeleton, manufacturing of anthropomorphic phantom skins and muscles, and manufacturing of embedding and linkage of anthropomorphic phantom lung and internal organs; the specific positions of lung and internal organs are confirmed by establishing a phantom three-dimensional coordinate system; the volumes and appearances of the lung and the organs are obtained by establishing a dual-curve equation of phantom appearances and organs; and the lung and the internal organs are connected with the anthropomorphic phantom skeleton and the anthropomorphic phantom skins and muscles by means of embedding structures. The invention provides a similar theory for designing of a human body model, a new method for a bionic molding process of the human body model and a checking method for tissue equivalence of the human body model; the standardization and serialization for designing of human body model products can be realized and the industrialized large-scale production is easy to be realized; by adopting the equivalent materials of radiation, microwaves, ultrasonic waves or thermodynamics sensitivity, the treatment of medical images is facilitated and the distribution and deposition rules of radiation energies in a human body can be displayed again.

The invention is a continuous carbonization process directed at municipal solid waste and an apparatus used therein. The process can mainly overcome problems occurred in treatment of municipal solid waste in the prior art, e.g., generation of oncogenic dioxin in burning of municipal solid waste. The process can realize pollution-free treatment of garbage. The invention has the following advantages: combustible gas produced in cracking and carbonization of municipal solid waste under high temperature and anaerobic conditions is used as an energy source for a system, thereby realizing self-sufficiency of energy; the anaerobic condition can well inhibit generation of dioxin; treating flow of the process is simple and stable, and long-time continuous treatment of municipal solid waste is realized; drying of municipal solid waste, deodorization of gas, circulation of heat and the like are realized.

The invention relates to a method and equipment for preparing fuel from household garbage for suppressing dioxin. The method comprises the following steps of: introducing a heat source into vertical heat treatment equipment by using high-temperature gas as the heat source to ensure that the heat source is in direct contact with the household garbage in the vertical heat treatment equipment to cause heat transfer; performing thermal cracking reaction after the raw materials are heated; recovering and utilizing the cracked gas phase product; burning out residues caused by thermal cracking; and introducing high-temperature smoke gas generated by burning into the heat treatment equipment to heat the raw materials. The equipment for preparing the fuel from the household garbage for suppressing dioxin provided by the invention mainly comprises the vertical heat treatment equipment for drying the household garbage and performing thermal cracking on the household garbage, equipment for burning the cracked residues and collection and utilization equipment for the gas phase product. The method and the equipment have the advantages that equipment structure is simple, large-scale, continuity, reclamation and minimization treatment of the household garbage can be realized, and the like.

The invention discloses a preparation method for active copper oxide by using a spray flashing calciner. The method comprises the following steps: with copper, liquefied ammonia and ammonium bicarbonate as raw materials, preparing concentrated ammonia liquor with a concentration of 10 to 12% at first; then adding excess concentrated ammonia liquor into electrolytic copper, adding ammonium bicarbonate, introducing air at the same time and carrying out leaching and synthesis at a temperature of 60 to 70 DEG C so as to prepare cuprammonia; after filtering, pumping the cuprammonia into a reaction vessel for thermal decomposition so as to prepare a basic copper carbonate feed liquid; and filling the spray flashing calciner with the basic copper carbonate feed liquid, carrying out calcining at a temperature of 450 to 600 DEG C so as to prepare active copper oxide and recovering and reusing gas produced in the reaction by using an absorption tower. The method provided by the invention has the advantages of an increased reaction speed, substantially improved production efficiency, higher product purity, lower production cost and a wider product application scope; moreover, since the spray flashing calciner is used, heat dissipation is small, the resource of coal is saved, and requirements for energy conservation and environmental protection are better met.

The invention discloses a composite solid acid catalyst for antioxidant RD preparation. The composite solid acid catalyst is characterized in that D002-type strong acid cation exchange resin is compounded with arylsulfonate substances to prepare the solid acid catalyst; in the presence of the composite solid acid catalyst, aniline reacts with acetone to generate an antioxidant RD monomer with high aniline conversion rate and high chemical yield; and then the antioxidant RD monomer is polymerized, distilled and granulated to prepare the antioxidant RD finished product. The composite solid acidcatalyst has the advantages that the continuous environment-friendly process with simple process, high product chemical yield, high content of dimer of the product antioxidant RD, excellent antioxidant effect of the finished product, no three-waste emission and low production cost is suitable for industrial production.

The invention discloses a method for extracting europium oxide and yttrium oxide from waste fluorescent powder, which mainly comprises the following seven steps: sodium carbonate roasting, chlorination leaching, phosphate precipitation, precipitation conversion, yttrium extraction separation, high-purity yttrium oxide extraction and high-purity europium oxide extraction, wherein the yttrium extraction separation is performed through a P507 extraction separation method to realize simplified efficient continuous separation of rare earth yttrium and europium, and the method is high in separation efficiency and low in cost. Compared with the prior art, the method has the advantages of short process flow, high rare earth element extraction rate, high rare earth product purity, low extraction cost and the like.

The present invention relates to a metal material preparation method, particularly to a method for preparing a metal through continuous reduction in a molten salt medium. According to the method, a molten alkali metal and alkaline earth metal mixing halide MaY-MeY2 is adopted as the flux of a molten salt medium, an alkaline earth metal oxide MeO / alkaline metal halide MaY mixture capable of being dissolving in the flux of the molten salt medium is used to replace an alkaline metal so as to be adopted as a reduction agent, the specifically-selected MeO / MaY mixture is added to the molten MaY-MeY2 flux to form a MeO-MaY-MeY2 molten salt, the molten salt medium is subjected to electrolysis to decompose the MeO dissolved in the medium so as to finally obtain the Ma-MaY-MeY2 molten salt medium, an oxide MO is added to the formed Ma-MaY-MeY2 molten salt medium under the support of the electrolysis process performing under the conditions, and the alkali metal Ma instantly performs thermal reduction on the added oxide MO so as to prepare the metal M. According to the present invention, the disadvantages of complex operation and danger of the direct alkali metal reduction agent adding in the traditional thermal reduction are overcome; the excessive use of the alkali metal reduction agent is solved, and the continuous production can be achieved; and the cost is low, and the energy consumption is low.

The invention discloses an elastic vibration-reduction ballast bed system, which comprises a concrete ballast bed and a low-frequency vibration isolator installed in the concrete ballast bed. An elastic mechanism in the low-frequency vibration isolator consists of a positive stiffness elastic element made of metal rubber or the positive stiffness elastic element and a negative stiffness elastic element which are connected in parallel. The positive stiffness elastic element is a disc spring, a spiral spring, the metal rubber, a metal rubber-spring armour, a metal rubber-lead core composite spring or any series-parallel combination of the disc spring, the spiral spring, the metal rubber, the metal rubber-spring armour and the metal rubber-lead core composite spring. The negative stiffness elastic element is a disc spring or a diaphragm spring. The elastic vibration-reduction ballast bed system can meet requirements of middle-high-grade vibration reduction and has a simple structure. The site construction process is simple and convenient, and consumed materials of the ballast bed are relatively reduced. Therefore, the elastic vibration-reduction ballast bed system is low in construction cost and suitable for popularization and application in the whole line.

Seabuckthorn fruit extract combined health care products are a series of functional food prepared by taking the seabuckthorn fruit extracts as the main components and combining the seabuckthorn fruit extracts respectively with any one of Ixeris sonchifolia hance, chicory inulin, tea polyphenol, natto dehydro freezing powder, pollen pini and brassica campestris. The ratio of percentages by weight of the seabuckthorn fruit extracts and the Ixeris sonchifolia hance extracts is 40-70%:20-35%, the ratio of percentages by weight of the seabuckthorn fruit extracts and the chicory inulin is 40-70%:20-40%, the ratio of percentages by weight of the seabuckthorn fruit extracts and the tea polyphenol is 80-98%:20-2%, the ratio of percentages by weight of the seabuckthorn fruit extracts and the natto dehydro freezing powder is 60-90%:5-15%, the ratio of percentages by weight of the seabuckthorn fruit extracts and the pollen pini is 60-90%:10-40% and the ratio of percentages by weight of the seabuckthorn fruit extracts and the brassica campestris extracts is 40-70%:20-35%. The products have complete bioactive components and simple technical composition, expand the applicable scope, improve the health care effect and are easy to realize industrial production.

A multiple spray-head combined type air-injection electrostatic spinning machine is mainly composed of spinning units, an air conveying pipe, a liquid conveying pipe, conductive wires, a high-voltage electrostatic generator, transverse flow air pumps, metering pumps, a receiving device and liquid storage tanks, wherein the spinning units are installed on a base in an inserted mode, air inlets of the spinning units are communicated with the air conveying pipe through air conveying branch pipes, liquid inlets of the spinning units are communicated with the liquid conveying pipe through liquid conveying branch pipes, two ends of the air conveying pipe are communicated with the transverse flow air pumps, and two ends of the liquid conveying pipe are communicated with the liquid storage tanks through the metering pumps; and the receiving device is installed above the spinning unit, metal portions of the spinning units are connected with the positive pole of the high-voltage electrostatic generator through the conductive wires, and the receiving device is connected with the negative pole of the high-voltage electrostatic generator through one conductive wire. The multiple spray-head combined type air-injection electrostatic spinning machine obviously improves the yield of nanofibers, has the advantages of being simple and high in production efficiency, and can achieve continuous and mass production of the nanofibers.

The resistance adjustable gas distribution equipment for fluidized material mainly includes gas intake pipe and gas nozzle, the upper portion of the gas intake pipe is equipped cap-like distribution head which is coaxially arranged with gas intake pipe and is screw-connected with it, between the inner wal of cap-like distribution head and outer wall of gas intake pipe a gas flowing cavity is formed, on the distribution head are opened gas nozzle orifices which use axis of the distribution head as centre and are radially distributed on the side wall of the cap-like distribution head, the upperpart of gas intake pipe is extended into the the interior of cap-like distribution head cavity, and between them a gas resistance adjustable cavity strucure is formed.

The invention relates to the detection of tripolycyanamide, in particular to a method and a device for detecting tripolycyanamide. The method comprises: preprocessing a sample to be detected to remove proteins; allowing obtained clear liquid to pass through an anionic and cationic ion exchange series column at a constant flow rate; transferring the clear liquid to be detected and buffer solution into a cell for samples to be detected; inserting an ion selective electrode modified by a molecular imprinted polymer into the cell; generating an electric potential signal; and determining the tripolycyanamide content of the sample to be detected by using an electric potential value according to a standard curve. In the device, one end of the anionic and cationic ion exchange series column, a second flow injection device and a container for the samples to be detected are connected with a three-way valve respectively; the other end of the anionic and cationic ion exchange series column is connected with an ultramicropore protein filter through a first flow injection device; and the second flow injection device is connected with a buffer solution tank; and the ion selective electrode modified by the molecular imprinted polymer is inserted into the container for the samples to be detected. The method and the device have the advantages of high flexibility, low operation cost, suitability for in-situ monitoring and the like in the detection of tripolycyanamide.

The invention provides an ecological restoration system for agricultural non-point source polluted farmland tail water. The system comprises a compound biological purification bed, wherein the compound biological purification bed is sequentially divided into an anaerobic section, an anoxic section and an aerobic section in the horizontal direction; the anaerobic section and the anoxic section are separated by a first partition plate provided with a water flow hole; the anoxic section and the aerobic section are separated by another first partition plate provided with a water flow hole; a height difference is formed between the water inlet and the water outlet of each of the anaerobic section, the anoxic section and the aerobic section; the anaerobic section and the aerobic section are filled with a filler for biofilm formation; the anoxic section is divided into n+1 sections by n guide plates provided with water flow holes; a height difference is formed between the water inlet and the water outlet of each section in the anoxic section; and an aeration pipe is further arranged in the aerobic section. The ecological restoration system achieves the effects of continuous purification process, adjustable biological treatment time, no need of sewage pumping, energy saving and consumption reduction. The compound biological purification bed is combined with other units to form a better ecological restoration system which is formed by sequentially connecting a grassed swale, a desilting basin, a simulated ecological ditch, a bioretention pond, the compound biological purification bed and an ecological system pond. The preferred system is more comprehensive in treatment process and higher in purification efficiency.

The invention relates to a continuous dark green tea pressing production line which comprises a loading inclined conveyer (1), a steamer (2), a pile fermentation cabin (3), a metering conveyer belt (4), a metering module (5), a turntable tea evaporator (6), a tea spreading mechanism (11), a cover plate cleaning and placing mechanism (13), a hydraulic machine (7), a die circulating system (8), a tea discharging conveyer belt (9), a die (10) and a sorter (12). The production line is characterized in that three PLC (Programmable Logic Controller) control cabinets and a central control computer are arranged for the production line and are interconnected with each other through the Ethernet, and the production line can be monitored and controlled through the PLC control cabinets or the central control computer, so that the production line can automatically and continuously press refined and screened raw dark green tea.

The invention relates to a preparation mehtod of a tubular fabric, in particular to a preparation method of a high-strength fine-diameter ultra-thin tubular fabric. The preparation method solves the problem that the existing preparation method of the tubular fabric cannot achieve the tubular fabric with a small caliber and a thin wall and cannot meet requirements for light weight and super-strong tensile force resistance of the fabric in special application. The preparation method particularly comprises steps of: selecting poly-p-phenylenebenzobisthiazole (PBO) fibers with fiber density of 100-300D to serve as warp yarns and weft yarns; conducting twisting treatment on filament yarns of the PBO fibers with twisting of 230 twist / meter; enabling the weft yarns to be free from being twisted, and winding the weft yarns into a appropriate pirn with a shuttle size of a shuttle loom; and adopting yarns of a transverse system and a longitudinal system which are mutually and vertically arranged, interweaving on a weaving machine according to certain rules to form the fabric, i.e. adopting a plain weave structure. The preparation method is used for preparing the fine-diameter ultra-thin tubular fabric.

The method relates to a method for extracting tremella polysaccharide and tremella protein. The method comprises the steps of (1) activated culture and fermentation culture of tremella fuciformis berk bacteria; (2) concentration with an ultrafiltration membrane and fragmentation tremella fuciformis berk spores; (3) preparation of a polyethylene glycol / inorganic salt aqueous two-phase system; (4) extraction of the polyethylene glycol / inorganic salt aqueous two-phase system; (5) preparation of the tremella polysaccharide via freeze drying; and (6) second extraction of the polyethylene glycol / inorganic salt aqueous two-phase system, filtration with the ultrafiltration membrane and preparation the tremella protein via freeze drying. The method can realize continuous and large-scale production of the tremella fuciformis berk spores and extraction of the tremella polysaccharide, and is convenient for industrialized production of the tremella polysaccharide. The obtained product has not only intercellular polysaccharide of the tremella fuciformis berk spores but also extracellular polysaccharide produced by the liquid fermentation of the tremella fuciformis berk spores, thereby increasing the yield of the tremella polysaccharide. Besides, the tremella polysaccharide and the tremella protein can be separated at the same time, so that the disadvantages of complex operations and pollutions of organic solvents in a conventional sevag method can be prevented; and the purity of the polysaccharide can be increased.

The invention relates to a high-efficiency brake based on the MR technology, which comprises an electromagnetic clutch mechanical (A) producing a damping moment and an electromagnetic braking mechanism (B), wherein a planet accelerator (C) capable of amplifying the damping moment is arranged between the electromagnetic clutch mechanism and the electromagnetic braking mechanism. As the invention adopts the planet accelerator structure which is capable of amplifying the damping moment and is arranged between the electromagnetic clutch mechanism and the electromagnetic braking mechanism, braking with a great moment can be realized under a minor current through the accelerator, thereby saving energy, and further realizing serialization through changing the speed increasing ratio of the internal accelerator. In addition, the invention with small size and light weight is the high-efficiency brake based on the MR technology with smart design, excellent performance as well as convenience and practicability.