79results about How to "Impede movement" patented technology

The invention provides a sintered Nd-Fe-B (neodymium iron boron) permanent magnet combination with high working temperature and high corrosion resistance; the composition of the magnet comprises 80-95% of main phase alloy powder and 5-20% of nano-modified grain-boundary-phase alloy powder, taking the total weight of the permanent magnet combination in calculation; the main phase alloy powder is calculated by atomic percentage, and the composition comprises NdaFe100-a-b-cBbMc, wherein a is no less than 11 but no more than 16, b is no less than 5.4 but no more than 6.6, and c is no less than 0 but no more than 6, and M is one or more types of elements Dy, Tb, Nb, Co, Ga, Zr, and Al; and the average particle diameter of the main phase alloy powder is 3-8 mu m. The invention also provides a sintered Nd-Fe-B permanent magnet which simultaneously has high working temperature and high corrosion resistance.

The invention discloses a preparation technology of an intermetallic compound based ceramic composite coating on the surface of a titanium alloy. The preparation technology comprises the following steps of: (1) uniformly mixing cladding material powder, preparing mixed powder into paste with a water glass solution, uniformly coating the surface of the titanium alloy with the paste with the coating thickness of 0.5-1.0mm, carrying out airing, and (2) carrying out laser cladding on the coating on the surface of the titanium alloy with the laser power of 800-1200W and the laser scanning speed of 2.5-7.5mm / s, and blowing argon for shielding with the shielding gas pressure of 0.2-0.4MPa, wherein a laser spot diameter is fixed at 4mm.The mixed cladding material powder comprises the following ingredients by mass percentage: 25-65% of Ti, 20-60% of Al, 5-30% of Si and 0-3% of Y2O3, or 25-65% of Ti, 20-60% of Al, 5-30% of Si, 2-40% of B4C and 0-3% of Y2O3, or 25-65% of Ti, 20-60% of Al, 5-30% of Si, 5-40% of TiC, and 0-3% of Y2O3. The composite coating prepared by the technology can significantly increase microhardness of the titanium alloy, improve wear resistance of titanium alloy components, and extend an application scope of titanium alloy spare parts.

The invention provides a stirring device applicable to liquid medicines and chemical feed liquids and solves the problem of tedious operation of a conventional stirring device. The stirring device applicable to liquid medicine and chemical feed liquid comprises a stirring shaft and a tank body provided with a liquid inlet opening; the stirring shaft is vertically arranged in the tank body, and the upper end of the stirring shaft extends out of the tank body; a plurality of stirring paddles are arranged on the outer edge of the lower end of the stirring shaft; a liquid outlet pipe is arranged at the bottom of the tank body; a motor is arranged at the top of the tank body and drives the stirring shaft to rotate through a transmission mechanism; a joint pin is arranged on the outer edge of the liquid outlet pipe; a cover plate is hinged to the joint pin, and a torsional spring having the tendency of enable the cover plate to seal the liquid outlet pipe is arranged between the joint pin and the cover plate; the stirring shaft is hollow, and a mandril is inserted in the stirring shaft; an air cylinder which can enable the lower end of the mandril to be propped against the cover plate and enable the cover plate to overcome the torsion of the torsional spring and to rotate around the hinge point is arranged at the top of the tank body; the piston rod of the air cylinder is connected with the upper end of the mandril. The stirring device applicable to liquid medicine and chemical feed liquid has the advantages that the operation is simple and time is saved.

The invention provides a cobalt-based high-temperature alloy wire which is prepared from the following chemical components in percent by mass: 0.06-0.12% of C, less than or equal to 0.3% of Si, 1-1.8%of Mn, less than or equal to 0.015% of P, less than or equal to 0.015% of S, 19.2-20% of Cr, 9.5-10.5% of Ni, 14.2-15.5% of W, less than or equal to 2.8% of Fe, less than or equal to 0.4% of other impurities and the balance Co. By adding 19.2-20% of Cr, the cobalt-based high-temperature alloy wire has excellent corrosion resistance, and a condition that high-temperature strength is decreased as aresult of a double phase area as the content of Cr is too high to promote generation of an epsilon-Co phase and a sigma phase is avoided. Elements such as massive Co, 14.2-15.5% of W and 19.2-20% ofCr and the like in the cobalt-based alloy can reduce stacking fault energy, so that the high-temperature strength of the alloy is improved. The content of W is controlled at 19.2-20%, so that it is ensured that a condition of prominent work hardening of the alloy, difficulty in cold processing and poor stability as the too high W content is avoided. As the cobalt-based high-temperature alloy wirecontains 9.5-10.5% of Ni, the tissue stability of the alloy is improved favorably, and precipitation of a Co7W6 phase is reduced. By adding 1.1-1.8% of Mn, the oxidation resistance of a Ni-Cr alloy isimproved effectively.

The invention relates to chemical plating on a surface of a metal material and particularly to a Ni-Cu-P-Ce alloy plating layer used for chemical plating on a surface of a low-carbon steel base material and a preparation process of the Ni-Cu-P-Ce alloy plating layer. The Ni-Cu-P-Ce alloy plating layer adopts a plating liquid composed of 35-40 g / L of nickel sulfate, 0.2-0.4 g / L of copper sulfate, 25-30 g / L of sodium hypophosphite, 8-10 g / L of sodium acetate, 25-30 g / L of trisodium citrate, 22-28 ml / L of lactic acid, 8-10 g / L of butanedioic acid, 0.2-0.4 g / L of cerium nitrate, 8 mg / L of potassium iodide, 1.5 mg / L of thiourea, 0.01 g / L of glycine and 0.2 g / L of ammonium bifluoride. For the adoption of ultrasonic chemical plating, a plating layer material formed by codeposition of Ce, Cu and Ni is obtained; and the material has increased compactness, is a microlithic texture, and is high in hardness and strong in corrosion resistance.

The invention relates to a high-entropy alloy coating resistant to high-temperature abrasion and a preparation process and application thereof. The preparation process comprises the following steps: (1) the surface of a titanium alloy sample is polished and washed; (2) metal powder, a ceramic hard phase and rare earth oxide are evenly mixed, and cladding material powder is formed to be flatly laidon the washed surface of a titanium alloy; and (3) the titanium alloy coating is prepared through laser cladding, wherein the metal powder includes Ti, Ni, Al, Si and V, a ceramic phase material is B4C or TiC or TiN, and the rare earth oxide is Y2O3. According to the high-entropy alloy coating, the hardness of a titanium alloy part can be remarkably improved, abrasion resistance of the titanium alloy part is improved, and the using range of the titanium alloy part is enlarged.

The invention provides a preparation method used for ultra-high density perpendicular magnetic recording medium. A multilayer film [FePt (5-20) / Au (2.5-7)] 5-10 deposits on a heated MgO (001) single crystal substrate by utilizing the Magnetron Sputtering method. The temperature of the substrate is 100-450 DEG C, background pressure in the sputtering chamber is 1*10<-5>-7*10<-5>Pa, and argon pressure is 0.9-1.6 Pa when sputtering. After deposition, the film is cooled to the room temperature and then put into a vacuum annealing furnace for heat treatment with the annealing temperature is 470-700 DEG C, the annealing time is 20m-4 h, and the background pressure in the annealing furnace is 2*10<-5>-7*10<-5>Pa. The prepared L10-FePt film is characterized in vertically alignment, superior magnetic property and particle size smaller than 10nm, and is suitable for ultra-high density perpendicular magnetic recording medium. The method has the advantages of low cost, easy preparation and suitability for industrial application.

The invention relates to the technical field of stirring equipment and specifically relates to a material mixing device which comprises a material mixing box, wherein the material mixing box is horizontally arranged, a first piston is arranged in the material mixing box in a sliding mode, a second feeding box is arranged above the material mixing box, a lever is arranged on one side of the secondfeeding box, a gear set is arranged above the lever, a large gear in the gear set is coaxially provided with a cam, one end of the lever is connected with an ejector rod, the other end of the ejectorrod abuts against the cam, a second feeding pipe is communicated between the second feeding box and the material mixing box, a T-shaped rod is arranged in the second feeding pipe in a sliding mode, ahorizontal straight part of the T-shaped rod is arranged in the material mixing box, a vertical straight part of the T-shaped rod extends out of the second feeding pipe and is connected with the otherend of the lever, a small gear in the gear set is coaxially connected with a crank, a connection rod is hinged to the other end of the crank, a swinging rod is arranged under the connection rod in arotating mode, the free end of the swinging rod is in hinge connection with the connection rod, a pull rod is hinged to the swinging rod, and the other end of the pull rod is in hinge connection withthe first piston. The material mixing device disclosed by the invention solves the problem that an existing material mixing device cannot feed materials automatically.

The invention discloses a NiCuZn ferrite material and a preparation method thereof. The ferrite material comprises a main component and an additive. The main component is composed of 47-49 mol% of Fe2O3, 15-22 mol% of NiO, 25-30 mol% of ZnO, 4-7 mol% of CuO and 0.1-0.5 mol% of Co2O3. The additive is composed of A and B, wherein A accounts for 0.1-0.5 wt% of the whole material, and B accounts for 0.1-0.5 wt% of the whole material. A is BBSZ glass; and B is one or two of Ta2O5, SiO2 and SnO2. The nickel-zinc ferrite soft magnetic material disclosed by the invention has the characteristics of high initial permeability and low loss; under the frequency of 13.56 MHz, mu' is greater than 150, and mu' is less than 2; and the nickel-zinc ferrite soft magnetic material is very suitable for producing NFC (near field communication) ferrite magnetic sheets by an LTCC (low temperature co-fired ceramic) running technique.

The invention discloses a high-toughness and high-rigidity rolling bearing, comprising a bearing outer ring, a rolling body and a bearing inner ring; an outer raceway surface of the bearing inner ring comprises three bumps protruding towards the outer side of the bearing inner ring, the three bumps are sequentially connected, and a concave part is formed in a connecting part of every two adjacent bumps; both of the bumps and the concave parts are arcs; the three bumps are evenly distributed on the outer raceway surface along the circumferential direction of the bearing inner ring. The bearing inner ring is made from the following components by weight percent: 0.6-0.7% of C, 0.15-0.35% of Si, 0.4-0.5% of N, 0.09-0.12% of B, 0.3-0.4% of Mn, 0.1-0.2% of V, 0.1-0.15% of W, 0.18-0.22% of Mo, 0.12-0.15% of Nb, 0.22-0.26% of Al, 3-4% of Cr, 0.07-0.10% of Ce and the balance of Fe.

The invention discloses a Gd-Lu-containing aluminum alloy section bar for space flight and aviation and a preparation method thereof. The Gd-Lu-containing aluminum alloy section bar comprises, by weight, 5.2-6.4% of Zn, 1.8-2.6% of Mg, 1.5-2.0% of Cu, 0.3-0.6% of Mn, 0.25-0.35% of Cr, 0.1-0.3% of Si, 0.15-0.25% of Fe, 0.05-0.1% of Ti, 0.04-0.08% of Zr, 0.2-0.4% of Gd, 0.1-0.2% of Lu and the balance Al. Gd and Lu rare earth elements are added into an Al-Zn-Mg-Cu series aluminum alloy and through alloying, alloy as-cast grains are refined, strengthening phase precipitation density is improved, strengthening phase distribution is uniform, recrystallization is inhibited, crystal boundary movement is prevented, re-crystal grain growth is inhibited, alloy strength is substantially improved and stress corrosion resistance and welding performances of the alloy are improved. Gd and Lu replace Sc and are added in the Al-Zn-Mg-Cu series aluminum alloy so that a production cost is not greatly improved and alloy strength is greatly improved. The Gd-Lu-containing aluminum alloy section bar can be widely used in the field of space flight and aviation.

The invention discloses a method for inhibiting titanium dioxide phase change and belongs to the technical field of functional materials. The method comprises the following steps: mixing a precursor tetrabutyl titanate and absolute ethyl alcohol to obtain a solution A; mixing HNO3, de-ionized water, absolute ethyl alcohol and a dopant according to a certain ratio to obtain a solution B; in a magnetic stirrer, slowly dripping the solution B into the solution A; continually stirring for 1 hour; standing a sol at a room temperature and ageing; then putting the sol into a drying box to be dried; taking out dry gel and grinding in an agate mortar; uniformly calcining the obtained powder in a muffle furnace; and cooling along the furnace to obtain titanium dioxide powder. According to the method, the temperature of converting the titanium dioxide powder from anatase to rutile is improved. By virtue of the method, the titanium dioxide phase change temperature can be effectively reduced, and the constraints of factors including the smelting point of doped element oxide, the valence state of the doped element and the like are avoided; and a second phase is easy to separate out only if the radius of doped ions is more than Ti<4+>, namely the titanium dioxide phase change can be inhibited.

An electronic cigarette including a liquid supply, an air inlet, an inhalation port, and an atomizer. The liquid supply has a housing with a spiral container, having an outlet for directing a liquid held within the container out to the atomizer and at least one inlet sealed by a sealing agent to impede movement of the liquid. An air channel leads from the air inlet through the atomizer to the inhalation port for directing an aerosol generated at the atomizer to the inhalation port.

The invention provides oxidation dispersion strengthened steel comprising the following components of, by mass, 15%-17% of Cr, 2%-4% of Al, 1%-2% of W, 0.3%-1.0% of Y2O3, 0.3%-0.8% of Hf, and the balance Fe. According to records of the embodiment, oxide in the 16 Cr-oxidation dispersion strengthened (ODS) steel is refined effectively with the Hf element, and the oxide in the ODS steel provided bythe invention has better size stability and tensile strength performance in a high temperature environment.

A badge holder for attachment to a garment includes a planar clip body having an opening therein forming a periphery structure in the clip body. A planar flexible spring member appends from a top portion of the periphery structure, with the free end terminating within the opening near a bottom portion of the structure and is coplanar therewith. The gap between the edge surface of the spring member and the interior wall of the periphery structure decreases in width from the bottom portion of the peripheral structure to the top portion of the peripheral structure. A plurality of projecting elements project from the surrounding edge surfaces of the spring member and from the front surface to assist in firmly holding the fabric in the clip. A badge mounting member projects from the front surface of the periphery structure upon which a badge can be mounted.

The invention provides a soft magnetic material which is large in magnetic conductivity and low in magnetic loss and a preparation method thereof. The soft magnetic material comprises main components, auxiliary components and a sintering aid, wherein the main components relate to Fe2O3, NiO, ZnO and CuO, and the auxiliary components relate to Gd2O3 and B2O3; with the total molar weight of the soft magnetic material as the basic standard, the content of the Fe2O3 is 46-53mol%, the content of the NiO is 11-19mol%, the content of the ZnO is 22-27mol%, the content of the CuO is 6-11mol%, the content of the Gd2O3 is 0.1-1mol%, the content of the B2O3 is 0.1-2mol%, and the content of the sintering aid is 0.4-2mol%. According to the soft magnetic material and the preparation method thereof, the magnetic performance of products is improved, the products can have higher magnetic conductivity and low magnetic loss under the 13.56MHz condition, and then the communication distance of an NFC system of a mobile phone is improved; the Gd2O3 can increase the lattice constant, prevent domain wall movement, reduce superexchange interaction between ions on the A phase of a tetrahedron and ions on the B phase of an octahedron, improve cut-off frequency and reduce the magnetic loss, the B2O3 can form liquid-phase sintering, promote grain growth, make tissue compacter, and reduce internal and external air hole rates of a grain, and coercivity can be reduced and initial magnetic conductivity can be improved if a proper amount of B2O3 is added.

The invention discloses carbon black as well as a preparation method and application thereof. According to the preparation method of the carbon black, the porosity of a carbon black product can be improved, and oxygen-containing functional groups on the surface of the carbon black product are reduced, so that the conductivity of the carbon black is improved. The prepared carbon black is high in specific surface area, large in oil absorption value, low in washing sieve residue, good in conductivity and very good in stability. A product with good conductivity can be obtained when the carbon black is applied to a conductive material.

The invention discloses a coke oven gas hydrogenation and desulfurization catalyst. Al2O3 is used as a carrier for the coke oven gas hydrogenation and desulfurization catalyst, Mo is used as an activecomponent for the coke oven gas hydrogenation and desulfurization catalyst, Si is used as a first accelerator for the coke oven gas hydrogenation and desulfurization catalyst, B and / or P are used assecond accelerators for the coke oven gas hydrogenation and desulfurization catalyst, the Mo active component exists in the form of MoO3, the first accelerator Si exists in the form of SiO2, the second accelerators exist in the form of second accelerator oxide, the second accelerator P exists in the form of P2O5, and the second accelerator B exists in the form of B2O3. The invention further provides a method for preparing the coke oven gas hydrogenation and desulfurization catalyst. The method includes preparing silicon-molybdenum co-impregnation liquid; carrying out drying and calcining to obtain the coke oven gas hydrogenation and desulfurization catalyst. The coke oven gas hydrogenation and desulfurization catalyst can be directly used without being calcined. The coke oven gas hydrogenation and desulfurization catalyst and the method have the advantages that the coke oven gas hydrogenation and desulfurization catalyst is a silicon-molybdenum catalyst and is high in initial activityand good in heat resistance, the method is simple and is convenient to operate, and industrial production can be facilitated; the accelerators do not need to be vulcanized before being used, and accordingly the usage amounts of vulcanizing agents can be reduced.

The invention belongs to the field of rubber manufacturing equipment, and particularly relates to full-automatic rubber production equipment. The full-automatic rubber production equipment is characterized in that a machine is located in front of a machine head of a rubber extrusion molding machine; the front end of a cutter cylinder is fixedly connected with trimming cutters; two trimming cutters are respectively located at the front end of the machine head of the rubber extrusion molding machine; an upper clamping plate and a lower clamping plate are connected with each other through a clamping plate cylinder; two sides of the lower clamping plate are connected with a clamping plate slide mechanism; the clamping plate slide mechanism is longitudinally arranged on a rack in a sliding manner; a cut-off cutter is located between a winding shaft and the lower clamping plate; the lower end of a cut-off cutter cylinder is fixedly connected with the cut-off cutter; the upper end of the cut-off cutter cylinder is fixedly arranged on a cutter slide mechanism; the cutter slide mechanism is transversely arranged on the rack in a sliding manner; a winding shaft motor is fixedly arranged on the rack; and an output shaft of the winding shaft motor is connected with the winding shaft.

The invention discloses a drowning prevention adjustable life buoy. The structure of the drowning prevention adjustable life buoy comprises a gas exhaust seat, a life buoy body, a connecting clampingseat, a lifting handle, a liquid level guide wire, a liquid level meter, a gas exhaust joint, a gas exhaust type electric control valve, a power supply connecting wire and a PLC controller; the gas exhaust seat is embedded in one side of the life buoy body and is distributed symmetric to the connecting clamping seat; the connecting clamping seat is embedded in the other side of the life buoy body;and the lifting handle is welded on the external surface of the connecting clamping seat. According to the drowning prevention adjustable life buoy, through combination of the parts, the gas contentof the life buoy can be automatically adjusted according to the height of the current water surface during using, the use effect of the life buoy is effectively improved, the use is convenient, and the practicability is high.

A serpentine dispenser and cartridge system provides simplified stocking and restocking, as well as jam-free dispenser feeding. A cartridge priming flap allows a cartridge be inverted and inserted into a dispenser while products in the cartridge are prevented from falling out. Cartridge opening is completed by holding an priming flap while pushing the cartridge into the dispenser. In other embodiments, a dispenser wedge applies pressure on rolling products, forcing a retaining flap open, as the cartridge is pushed into the dispenser. The wedge can also constrain rolling products to exit the cartridge in an order that prevents jamming.

The invention relates to the technical field of power distribution cabinets and particularly relates to a thermal expansion and cold contraction principle-based self-bouncing device for a power distribution cabinet. The device comprises a cabinet door, wherein a magnetic block is fixedly connected to the inner wall of the right side of the cabinet door, a cabinet body is movably connected to the right side of the cabinet door, and a piston groove is formed in the middle of the cabinet body, an inner wall of the piston groove is movably connected with a piston block, a left inner wall of the piston block is fixedly connected with a resistor, and the middle of the piston block is fixedly connected with an electromagnet. According to the self-bouncing device for the power distribution cabinetbased on the principle of thermal expansion and cold contraction, through cooperative use of the air groove and the sliding block, when the temperature in the power distribution cabinet is too high,air in the air groove is thermally expanded, the sliding block moves towards the left side at the moment, the electromagnet is powered off, and the piston block and the cabinet body move towards the left side under the acting force of the sliding block and the spring; and the cabinet door is automatically opened so that the effect of automatically opening the cabinet door during overheating is achieved, heat is timely discharged, and safety of the power distribution cabinet is improved.

The invention discloses a storage bin feeding dust-sealing device, which comprises a storage bin feed inlet, a storage bin platform, a bracket, a fixed base, a discharge outlet of a feeding trolly, a moving base, a deviation-preventing wheel, a roller, a spring, an adhesive tape, a screw tensioning structure and a splashproof groove. The discharge outlet of the feeding trolly stretches into and is connected with the inner wall of the brakect, the storage bin platform is internally provided with the splashproof groove for protecting and leading the discharge outlet of the feeding trolly, and the two ends of the adhesive tape covered on the surfaces of the storage bin platform and the bracket are tensed by the screw tensioning structure and an elastic support structure. The bracket moves with the feeding trolly, and the roller rotates relatively to the adhesive tape which is still stuck to the in-situ surface after the roller passes. As the adhesive tape, the storage bin platform and the bracket are in no clearance fit, the bug dust is effectively blocked, and the splash falls in the trapeziform splashproof groove and automatically falls to the storage bin feed inlet along the inclined surface. The storage bin feeding dust-sealing device has good dust-sealing effect without splash, thus greatly improving the working atmosphere, and being favorable to safety production and reducing the dust suction air quantity.

The present invention relates to a wired intellective dust collector comprising a housing loaded with a dust-collecting main body part, a driving device for driving the housing to run, a control part for controlling the driving device and a power line for providing power to the dust collector, wherein, the power line comprises a supply side electrically connected with an external power supply, an output side electrically connected with the dust collector, an electric wire electrically connected between the supply side and the output side, and the dust collector also comprises a winding part set outside the housing for winding the electric wire between the supply side and the output side, and the winding part comprises a winding roller and a driving motor for driving the winding roller to rotate. The wired intellective dust collector of the invention can obtain an enough and stable power though the power line, particularly, the wired intellective dust collector comprises a winding part consisting of a winding roller and a driving motor, pulling force of the power line can be adjusted to prevent the power line from falling so that the power line can not block the move of the dust collector, and in addition, the power line which has a removable structure is convenient to use.

The invention provides a water collection device of a garden irrigation system, aiming at solving the problem that the existing automatic garden irrigation system is inconvenient in cleaning of a filter screen. The water collection device of the garden irrigation system comprises a barrel body, a cylindrical barrel cover and a collecting bowl arranged on the top of the barrel cover, wherein an inlet is formed in the top of the barrel cover; an inner cavity of the collecting bowl is communicated with the inlet by a connecting pipe; a ring-shaped groove is formed in the upper end face of the barrel body; a support cylinder is inserted into the ring-shaped groove; the lower end of the barrel cover is inserted into the ring-shaped groove; the support cylinder props against the barrel cover; the ring-shaped groove is also internally provided with a spring capable of enabling the support cylinder to have an upward moving trend, and the upper end of the support cylinder can extend out of the ring-shaped groove under the action of the spring; the barrel body is internally provided with a filter plate, and an inner cavity of the barrel body is divided into a connecting cavity and a water storage cavity by the filter plate; the barrel cover is internally provided with a cylindrical connecting part, the lower end of the connecting part is fixed with the filter plate, and a plurality of water through holes are formed in the side wall of the connecting part in a penetrating way; a water outlet communicated with the water storage cavity is formed in the side wall of the barrel body. The water collection device of the garden irrigation system has the advantage of being convenient in cleaning of the filter plate.

The invention belongs to the technical field of glass lifters, and particularly relates to an automobile single-arm type four-connecting-rod glass lifter. The automobile single-arm type four-connecting-rod glass lifter comprises a motor, a speed reducer, a fan-shaped toothed plate, a gear, a base plate, a driving arm and a sliding support for mounting glass. According to the lifter, sliding of anauxiliary arm relative to a main guide rail and an auxiliary guide rail in a traditional glass lifter is avoided, namely, contact friction is avoided, noise is reduced, and meanwhile the situation that due to the fact that particle foreign matter enters a rail, running of the rail is affected, and movement between parts is hindered is avoided. According to the lifter, through the sliding support,a plurality of hinge points are formed by a first side arm, a second side arm and a driven arm, due to limitation of machining precision and consideration of cost, each hinge point can actually generate weak shaking, vibration generated after the glass is vibrated can be weakened through shaking, vibration transmitted to the driving arm is relatively small, and the driving arm is not prone to deformation.

Belonging to the field of electronic materials, the invention relates to a preparation method of an anti-metal nickel copper zinc ferrite separating magnetic sheet material. The method includes: weighing raw materials according to the proportion of less than or equal to 50.4mol% and greater than or equal to 49.5mol% of Fe2O3, less than or equal to 17.9mol% and greater than or equal to 16mol% of NiO, less than or equal to 25.9mol% and greater than or equal to 24mol% of ZnO, less than or equal to 10.4mol% and greater than or equal to 8.5mol% of CuO, conducting first ball milling and presintering to obtain a pre-sintered material; adding crushed magnetic sheet and CoO auxiliary component, and performing second ball milling and sintering so as to obtain the anti-metal nickel copper zinc ferrite separating magnetic sheet. The crushed magnetic sheet is the broken material of magnetic sheet obtained after second sintering of the main components and auxiliary component powder. The anti-metal nickel copper zinc ferrite separating magnetic sheet obtained by the method provided by the invention has high magnetic conductivity and low magnetic loss. And the method makes effective use of the crushed magnetic sheet in industrial production, save resources, and avoids environmental pollution.

The invention discloses a high-power nickel-zinc soft magnetic ferrite material and a preparation method thereof. The preparation method comprises the following steps: mixing S1, Fe2O3, NiO and ZnO tobe uniform to obtain a main material, carrying out primary ball milling and drying on the main material, and obtaining a pre-sintered material through pre-sintering treatment and crushing; S2, uniformly mixing CuO, V205, MoO3, CoC2O4 and Gd2O3 to obtain an auxiliary material, uniformly mixing the auxiliary material with the pre-sintered material, and carrying out secondary ball milling and dryingto obtain a mixture; S3, uniformly mixing the mixture with a polyvinyl alcohol aqueous solution to obtain mixed slurry; S4, performing stirring treatment on the mixed slurry under a microwave condition, and then performing spray granulation to obtain a granular material; and S5, carrying out compression molding on the granular material, then carrying out high-temperature sintering, and performingcooling to obtain the ferrite material. The nickel-zinc soft magnetic ferrite material prepared by the invention has high saturation flux density and low power loss, and is suitable for being appliedin a high-frequency high-power state.

The invention provides a stirring device applicable to liquid medicines and chemical feed liquids and solves the problem of tedious operation of a conventional stirring device. The stirring device applicable to liquid medicine and chemical feed liquid comprises a stirring shaft and a tank body provided with a liquid inlet opening; the stirring shaft is vertically arranged in the tank body, and the upper end of the stirring shaft extends out of the tank body; a plurality of stirring paddles are arranged on the outer edge of the lower end of the stirring shaft; a liquid outlet pipe is arranged at the bottom of the tank body; a motor is arranged at the top of the tank body and drives the stirring shaft to rotate through a transmission mechanism; a joint pin is arranged on the outer edge of the liquid outlet pipe; a cover plate is hinged to the joint pin, and a torsional spring having the tendency of enable the cover plate to seal the liquid outlet pipe is arranged between the joint pin and the cover plate; the stirring shaft is hollow, and a mandril is inserted in the stirring shaft; an air cylinder which can enable the lower end of the mandril to be propped against the cover plate and enable the cover plate to overcome the torsion of the torsional spring and to rotate around the hinge point is arranged at the top of the tank body; the piston rod of the air cylinder is connected with the upper end of the mandril. The stirring device applicable to liquid medicine and chemical feed liquid has the advantages that the operation is simple and time is saved.

The invention discloses a dyeing device for textile coarse cloth and a using method of the dyeing device, and belongs to the field of textile production equipment. The dyeing device is characterized in that a dye regulator is additionally arranged on the basis of an existing dyeing vat to effectively prevent dye from sinking, the dye regulator pumps dyeing liquid located under the cloth into a water falling box through a water pump, and after water enters the water falling box, under the action of buoyancy, a buoyancy releaser ascends, so that the dyeing liquid falls down from a water falling hole, and the dyeing liquid is conveyed from the bottom to the upper part; the problem that dye is deposited to the bottom due to gravity is effectively solved, the dyeing liquid is mixed and stirred, non-uniform dyeing of cloth is effectively prevented, the trouble in mixing stirring by shutdown is also avoided, the dyeing efficiency is effectively improved; and in addition, hole pricking balls are additionally arranged on the basis of a roller to prick the cloth, so that penetration of the dye is effectively improved.