81results about How to "Meet the requirements of continuous production" patented technology

The invention discloses a method for extracting rare earth from oxidized neodymium iron boron waste. The method comprises the following steps of: mixing the neodymium iron boron waste with water and then grinding; oxidizing the ground neodymium iron boron waste; performing primary grinding of the oxidation product; adding acid and leaching; separating solid from liquid; extracting to remove iron; chloridizing rare earth; extracting and separating rare earth; extracting to remove aluminum; precipitating; and firing. By adopting the method disclosed by the invention to recover the rare earth, the rare earth recovery rate is increased by 5-8%; and moreover, the use value of the recovered rare earth is increased, the production cost of further processing is lowered, the problem of muddy objects of the molten salt when in single rare earth electrolysis is effectively solved, the electrolysis efficiency when in the electrolysis of the rare earth metal is improved, the power consumption can be effectively reduced, and the content of the non-rare earth elements in metal such as C, S, O and the like is reduced.

The invention discloses a continuous biomass pyrolytic carbon gas-oil poly-generation system. The continuous biomass pyrolytic carbon gas-oil poly-generation system comprises a pyrolysis unit, a condensation unit, a purifying unit, a gas storage unit and a heating unit, wherein the pyrolysis unit is connected with the condensation unit and the heating unit; the gas storage unit is connected with the purifying unit and the heating unit respectively; the condensation unit is connected with a gas storage unit pipeline by the purifying unit; high-temperature smoke gas is generated by the heating unit; the pyrolysis unit performs thermal conversion from biomass into a carbon gas oil product by heat energy generated by high-speed scouring of high-temperature smoke gas and coke is separately stored; bio-oil and gas are separated from carbon gas oil by the condensation unit; impurities in the fuel gas are removed by the purifying unit; and the gas subjected to the impurity removal is stored by the gas storage unit. With the adoption of the continuous biomass pyrolytic carbon gas-oil poly-generation system, targets of continuously producing biogas, a biological coke and bio-oil are realized, so that the product quality is stable, and the application prospect is wide.

The invention discloses an automatic production device for a stator piece and a rotor piece. The automatic production device comprises a punch, a control system, an upper mould, a lower mould, an air suction device, a feeding device, a finished product receiving device, waste material cutters and a waste material receiving device. The punch is provided with a punch frame, an upper mould seat and a lower mould seat. The upper mould and the lower mould are mounted on the upper mould seat and the lower mould seat correspondingly. The air suction device is connected with the upper mould. The feeding device is arranged in front of the punch and provided with a material coil and a coil conveying mechanism. The punch frame is provided with a material collecting cavity. Sliding rails are arranged in the material collecting cavity. The finished product receiving device is provided with a material channel and a movable arm. The material channel is slidably connected with the sliding rails. One end of the movable arm is connected with the material channel, and the other end of the movable arm is connected with the upper mould seat. The waste material cutters comprise the upper cutter and the lower cutter. The waste material receiving device is provided with a conveying belt. The control system is electrically connected with the air suction device, the coil conveying mechanism, a driving unit and the waste receiving device. Manpower is reduced, the cost is lowered, efficiency is improved, and the requirement for continuous mass production is met.

The invention relates to a high-stiffness high-strength heat-sealing embossed film and a preparation method thereof, in particular to a thin film applied to a curtain coating technology. The densities of film layers are controlled through components, and the deformation trend of each layer of the three-layer coextruded curtain coating film embossed film is optimized by refining processing technique, so as to obtain the high-stiffness high-strength heat-sealing embossed film. The embossed film has the advantages of great elastic modulus, high tensile strength, good heat-sealing property and excellent processing property. The thickness can be effectively reduced when the embossed film is used, so as to save cost. The embossed film can be used on occasions highly requiring anti-pollution heat-sealing.

The invention discloses a cement bag opening and folding device of a cement bag folding machine. The cement bag folding machine comprises a frame. The cement bag opening and folding device is mounted on the frame. The cement bag opening and folding device comprises an upper opening unit, a lower opening unit and a folding unit. The cement bag opening and folding device of the cement bag folding machine is simple in structure, light, quick and capable of overcoming the deficiency of infirm pneumatic suction due to air leakage of unsealed cement bags and meeting the requirements of continuous automatic production.

The present invention relates to a glue liquid circulation system used for a honeycomb glue coating process, the glue fluid circulation system is characterized by including a glue coating tank, a stirring bucket, a solvent bucket, a viscosity sensor, a pneumatic stirring paddle, a pneumatic diaphragm pump, liquid level sensors and a viscosity sensor. The stirring bucket is provided with the pneumatic stirring paddle, a raw glue injection port and the liquid level sensor, a solvent valve is mounted on a pipeline between the stirring bucket and a solvent bucket, the glue coating tank is provided with the liquid level sensor, a glue supplementing pipeline, a circulation pipeline and a residue glue collection pipeline are in connection with the glue coating tank and the stirring bucket, the glue supplementing pipeline is provided with the viscosity sensor and the pneumatic diaphragm pump, and the residue glue collection pipeline is provided with a ball valve. The glue liquid circulation system can implement automatic control of glue liquid viscosity and homogeneity in the honeycomb glue coating process, is high in efficiency, easy to operate, and low in device cost, and can meet the glue strip stability in the glue coating production process.

The invention provides a lifting mechanism of a coke tank carrying crane, which relates to the lifting transportation and coking machinery; the lifting mechanism is composed of a winding drum group, a planetary reducer, a motor, couplings, brakes, a crown block group and a safety brake; the planetary reducer mounted on the pulley frame is provided with four input shaft ends and four output shaft ends which are symmetrically distributed. The four input shafts are arranged on the middle part of the planetary reducer and connected with the motor respectively through the couplings; the brakes are respectively mounted on the couplings; the four output shafts are arranged on both sides of the end part of the planetary reducer and connected with the single linkage winding drum group respectively; the safety brake directly acts on the winding drum edge of the single linkage winding drum group; the crown block group is mounted on the opposite side of the single linkage winding drum group. The lifting mechanism of the coke tank carrying crane has the advantages of novel structure, safety, reliability, great bearing capacity, symmetrically-distributed structure, even stress and being the lifting mechanism device of the novel coke tank carrying crane with economical and practical properties.

The invention discloses a device for dehydrogenating liquid organic hydride. The device is composed of a shell, a liquid distributor, reaction tubes, electromagnetic coils, and a fluid inlet/outlet adapter tube; the reaction tubes are evenly arranged in the device, a thermal medium flowing in each tube provides heat for reaction; the electromagnetic coil is an electrified coil wound on two ends of each reaction tube according to a certain direction, each reaction tube can be magnetized after the electronic coil is electrified; a catalyst is adsorbed to the outer side of the tube, and an organic hydride thin liquid film is formed to generate the dehydrogenation reaction. Compared with the prior art, the device disclosed by the invention has the following advantages that the filling and replacing of the catalyst are extremely simple and convenient by performing power on/power off operation on the electromagnetic coils, and the continuous production requirement can be satisfied.

The invention discloses an on-line rust-proof method for twisted steel. The method comprises the following step: ejecting steam or mixture of steam and oxygen to the twisted steel subjected to waste heat processing so as to generate a protective layer on the surface of the twisted steel. According to the on-line rust-proof method for twisted steel, the twisted steel with good surface gloss can be obtained. In addition, the method can satisfy the continuous production requirement of the twisted steel, and the production cost can not be obviously increased.

The invention relates to a microwave composite dielectric substrate for a high-frequency and high-speed environment and a preparation method of the microwave composite dielectric substrate, and belongs to the field of microwave dielectrics. Silicon dioxide ceramic powder with a porous structure is constructed by using the nano solid silicon dioxide ceramic powder and tetraethyl orthosilicate through a hydrothermal method, compared with mesoporous silicon dioxide generated by directly using tetraethyl orthosilicate as a single silicon source, the yield is higher, the reaction conditions are relatively simple, and batch production is hopeful; porous silicon dioxide ceramic nanospheres are modified by a coupling agent and then are mixed with polytetrafluoroethylene, and the modified silicon dioxide ceramic nanospheres are uniformly mixed with a polymer matrix through calendaring molding and a vacuum hot pressing method, so that the plate is compact and has high dielectric properties and mechanical strength; and the prepared microwave composite dielectric substrate is low in dielectric constant and low in thermal expansion coefficient.

The invention provides a printing film-laminated metal plate and a production method thereof. The printing film-laminated metal plate comprises a metal substrate, a printing composite film and an inner film, wherein the metal substrate is positioned between the printing composite film and the inner film so as to form no-adhesive attachment; the printing composite film is formed by dry composition between an intaglio-printing film and a polyester film modified by isophthalic acid; one side of the intaglio-printing film with printing patterns is attached with the acid-modified polyester film, and one side of the intaglio-printing film attached with the metal substrate is the acid-modified polyester film; and the inner film is made of no-printing-pattern film or intaglio-printing film, and one side of the intaglio-printing film with the printing patterns is attached with the metal substrate. The invention also provides the production method of the printing film-laminated metal plate. The printing film-laminated metal plate provided by the invention has the advantages that the printed patterns are sealed between the film and the metal substrate, so that the safety of the printing film-laminated metal plate is obviously improved and the processing process is simplified.

The invention discloses continuous production equipment for a thermal insulation layer of a plastic thermal insulation pipeline. The continuous production equipment comprises a foaming machine and a thermal insulation layer molding device, wherein the thermal insulation layer molding device comprises a rack; two conveyer belt mechanisms are arranged on the rack; each conveyor belt mechanism comprises belt pulleys and a conveyer belt mounted on the belt pulleys in a sleeving manner; two adjacent belt pulleys are working belt pulleys of which a central connection line is parallel to the feed direction of a working inner pipe; thermal insulation layer molding mold units are mounted on the conveying belt; semicircular grooves are formed in the end faces of one ends, back to the conveying belts, of the thermal insulation layer molding mold units; the thermal insulation layer molding mold units which are respectively arranged on the two conveyer belts and are located between the two corresponding working belt pulleys are matched with each other and are spliced through the semicircular grooves to form a round-tube-shaped thermal insulation layer molding channel for allowing the working inner pipe to pass through; the geometric dimension of the thermal insulation layer molding channel is larger than that of the inner working pipe; and a foaming material output port of the foaming machine is in the thermal insulation layer molding channel. The invention further discloses a continuous production method for the thermal insulation layer of the plastic thermal insulation pipeline.

The invention discloses a continuous die, relates to the technical field of dies, and aims at providing a continuous die capable of preventing unable alignment due to material strip softening, correctin feeding alignment, smooth in feeding and simple in structure. The continuous die comprises an upper die, a lower die and a material strip alignment structure, a material strip is arranged on the lower die, and strengthening ribs are arranged on the two sides of the material strip. The material strip alignment structure comprises alignment grooves and alignment pins, and the alignment grooves are formed in the strengthening ribs. The alignment pins are fixedly arranged on all stations of the lower die and are matched with the alignment grooves, and the movement of the material strip is guided.

The invention relates to the field of evaporation drying equipment, and particularly relates to a rotary evaporator. The technical scheme adopted in the invention is as the follows that the rotary evaporator comprises a vacuum pump, a condensation pipe, a feeding pipe, a feeding valve, a rotary evaporation main machine, a floating ball liquid level meter, a liquid storage bottle, an evaporation bottle, a recovery bottle, a water bath, a controller and a support frame. The rotary evaporator is characterized in that the top of the support frame is provided with the controller; adjustable fixingclamps are arranged on the support frame; one fixing clamp at one side of the support frame is used to fix the condensation pipe and the rotary evaporation main machine; one fixing clamp at the otherside of the support frame is used to fix the recovery bottle; the upper end of the rotary evaporation main machine is connected with the condensation pipe; the lower end of the rotary evaporation mainmachine is connected with the evaporation bottle; a floater capable of adjusting the height of a duct plug is arranged in the evaporation bottle; the liquid storage bottle and the evaporation bottleare arranged in the same water bath; and the evaporation bottle consists of two hemispheres which are symmetric with each other from left to right, is sealed by a sealing ring, and is fixed by a fixing clamp sleeve. The rotary evaporator provided by the invention has the advantages that the evaporation bottle is vertically installed, so that the loss of the rotary evaporation main machine is reduced; automatic feeding can be realized; the distillate is easy to discharge; and continuous production can be carried out.