191results about How to "Reduce processing loss" patented technology

The invention provides a lithium ion battery composite pole piece. The lithium battery composite pole piece comprises battery pole pieces and functional coatings composited on surfaces of the battery pole pieces, wherein the functional coatings are prepared from functional substances and adhesives, the functional substances comprise one or more of a phosphorous compound, a nitrogenous compound and inorganic silicon compounds, and the battery pole pieces are a battery positive pole and/or a battery negative pole. According to the lithium ion battery composite pole piece, the functional coating is applied to the surface of each battery pole piece, can quickly absorb excess heat of the battery when the temperature of a lithium ion battery rises and responds to a chemical reaction spontaneously as reaction entropy to form a protective coating on the surface of the corresponding battery pole piece; on one hand, the temperature of the battery can be effectively prevented from rising continuously, on the other hand, active layers on the battery positive and negative poles can be deactivated, potential safety hazards of the battery can be controlled fundamentally, and the safety of the battery is guaranteed.

The invention discloses a productive technology of vanlillin by a glyoxylic acid method. The productive technology comprises a synthesis process, a fractionation process and a purification process, wherein the synthesis process comprises condensation treatment, oxidation treatment and decarboxylation treatment of methyl catechol and glyoxylic acid. The productive technology particularly comprisesthe following steps: respectively converting the methyl catechol and the glyoxylic acid into guaiacol sodium and sodium glyoxylate in a sodium hydroxide system; carrying out condensation treatment onthe guaiacol sodium and the sodium glyoxylate; after recovering the unreacted methyl catechol in a condensation liquid, carrying out oxidation treatment, namely carrying out catalytic oxidation on anethanol group in 4-hydroxy-3-methoxybenzene sodium glycolate by using copper oxide in the sodium hydroxide system to form a ketone group, thereby generating a corresponding ketonic acid compound; after separating red copper oxide particles from an oxidation liquid, carrying out decarboxylation treatment, namely using sulfuric acid to acidize the oxidation liquid, and simultaneously converting an acid group in the ketonic acid compound into carbon dioxide so as to generate 4-hydroxy-3- methoxybenzaldehyde; and carrying out the fractionation process and the purification process to obtain the vanlillin.

The invention provides a polyimide thin film for preparing an artificial graphite film with excellent mechanical properties and a preparation method of the polyimide thin film. The polyimide thin film is prepared from a raw material diamine monomer which comprises 0 to 75 mol ratio of p-phenylenediamine; the raw material dianhydride monomer, comprises 40 percent to 100 mol ratio of of pyromellitic dianhydride; two types of inorganic fillers, including a calcium-containing compound and transition metal oxide, are uniformly dispersed in the polyimide thin film. The polyimide thin film provided by the invention is applicable to a graphitization process of single-sheet, multilayered stacking and continuous coiled materials and can be used for carrying out graphitization at temperature of 2300 DEG C; the crystallization degree is less than 10 percent. The graphite film prepared from the polyimide thin film has an excellent heat conducting property and has excellent mechanical properties in longitudinal and lateral directions of the thin film; the modulus is less than or equal to 2000MPa, the elongation at break is more than or equal to 3 percent, the tensile strength is more than or equal to 40MPa and the difference of the longitudinal and lateral directions is less than 15 percent.

A rubber-based thermal insulation layer patching method belongs to the solid rocket motor thermal insulation layer manufacturing method, and solves the problems of long construction period, high labor intensity, inconvenient operation and the like of a solid rocket motor with the diameter Phi of Phi 100mm-1400mm, using nitrile, EPDM rubber and other materials as a thermal insulation layer material; at the same time is able to meet production requirements of a thermal insulation layer material of a charging combustion chamber of a solid rocket motor with small front and back opening sizes and large length. The method includes a preliminary step, a gluing step, a patching step, a hot prepressing step, a fault detection step and a curing step. The method is successfully applied to multiple products, the thermal insulation layer fully meets the design requirements; process cycle is reduced by 67%, labor productivity is increased by at least 1 time, lower labor cost is reduced by at least 50%, raw material cost can be reduced by 15%; the operating environment is significantly improved, and a guarantee is provided for the prevention of occupational diseases.

The invention discloses a screw and a powder injection molding method thereof. The method includes the steps of firstly, mixing powder metal materials and binder with the mass ratio being 100:20-200 to form homogeneous feeding materials; secondly, placing the feeding materials into an injection molding machine to perform injection molding so as to obtain injection molding blanks; thirdly, dewaxing; fourthly, pre-sintering at the temperature of 200-800 DEG C to obtain pre-sintered blanks; fifthly, rising the temperature to 1000-2500 DEG C to sinter the pre-sintered blanks for 1-10 hours under a protective atmosphere to obtain screws. The method has the advantages that the binder is added into metal materials for mixing, the metal materials can form the injection molding blanks through injection molding, the binder is completely discharged by dewaxing and pre-sintering, the screws formed by high-temperature sintering, porosity of the screws is reduced greatly, machining procedures are reduced, production efficiency is increased, and the products after injection molding are good in consistency and repeatability.

The invention relates to a processing process of a semi-steel cable outer conductor. A semi-steel cable comprises an inner conductor, an insulating layer and the outer conductor. The processing process comprises the following specific steps: S1, firstly, putting a pushed and certificated phi 2.98 mm core wire on a pay-off stand, adjusting laying tension as 10-20 N, wherein the core wire comprisesthe inner conductor and the insulating layer; S2, putting a metal tape with the width of 12 mm-14 mm and the thickness of 0.2 mm-0.4 mm on a tap putting rack, and adjusting the tap putting tension as15-30 N; carrying out metal tape trimming, wherein the width of the trimmed metal tape is 11-12 mm, then molding through a horn model, and opening a laser welder to carry out weld debugging; and S3, penetrating the core wire with the diameter phi of 2.98 mm into the metal tape, cladding, molding, welding and coining. The semi-steel cable manufactured by the processing process provided by the invention has the advantages of small radio frequency leakage and stable property. According to the invention, the quality stability, the production length and the manufacturing process can be greatly improved, the process loss is greatly reduced, and the manufacturing cost is effectively reduced.

The invention is a parallel circulating continuous electrodeposition arsenic-removing method, where the electrolyte flows between electrowinning arsenic-removing tanks in parallel circulating form, heating circulating liquor, controlling the temperature at 60-66 deg.C, and completely supplying liquor in the electrodeposition arsenic-removing course, where the flow rate of supply liquor is equal to that of discharge liquor and controlled at 1-20 cu m/h, and the ratio of Cu to As in the supply liquor = 1.5-3 : 1-1.5; and partial electrobaths act as terminal tank, the Cu-ion concentration in the discharge liquor of the terminal tank is controlled at Cu2+ = 0.5-2.5g/L, and it controls the supply liquor, circulating liquor and terminal discharge liquor to make As and Cu form As-Cu alloys Cu2As and Cu3As in the arsenic-removing course, and it produces Cu2As as far as possible.

The invention relates to a window cleaning kit for a wire bonding apparatus, a wire bonding apparatus including the same and a cleaning method of capillary using the same; the apparatus can effectively clean foreign matters attached on end portions of the capillaries in a long term process using the wire bonding; the cleaning kit for wire bonding apparatus can fix a wire bonding object, can be arranged on a window clamp plate having a hole in a fixed manner for usage, and can be used as the cleaning kit in a dismounting state; the cleaning kit comprises a vibration generation plate and a grinding sheet; the vibration generation plate is placed on the window clamp plate; the grinding sheet is attached on the vibration generation plate and linked with the vibration generation plate.

The invention relates to a method for preparing a lucid ganoderma solid drink. The method comprises the following steps: pretreating lucid ganoderma, performing superfine grinding, pulping, performing ultrahigh pressure treatment and performing spray drying. The lucid ganoderma solid drink product is fine and smooth in color and high in dispersity and has a particular medical material flavor of lucid ganoderma, the eating method is simple and convenient, the integrity of functional components of the lucid ganoderma is basically kept, processing loss of the raw materials is effectively reduced, and the solid drink is easy to brew. According to the lucid ganoderma solid drink, the polysaccharide leaching efficiency is 11.21-19.89mg/g, the powder extraction rate is 20.67-44.78 percent, and the dissolution time is 93-54 seconds.

The invention discloses a steplike lock catch wood floor, which comprises a substrate (1), wherein a tenon (2) and a mortise (3) are arranged on the two sides of the substrate (1), and are matched with each other; a protruded strip (4) is arranged on the upper lateral surface of the tenon (2); a first gap (5) is formed between the protruded strip (4) and the upper lateral surface of the mortise (3); an upper groove (6) is formed in the lower part of the protruded strip (4); a second gap (7) is formed between the upper groove (6) and the upper lateral surface of the mortise (3); a third gap (8) is formed between the lower lateral surfaces of the tenon (2) and the mortise (3); an inclined bump (9) is arranged on the upper part of the tenon (2); an inclined groove (10) corresponding to the inclined bump (9) is formed in the upper part of the mortise (3); a side bump (11) is arranged on the side part of the tenon (2), and makes contact with the lateral surface of the mortise (3); a fourth gap (12) is formed between the lateral surfaces of the tenon (2) and the mortise (3).

The invention discloses an asynchronous punching process for coated conductive foam, which includes the steps as follows: forming is carried out: conductive hot melt cloth and PU foam are passed through a limiting fixture, a heating mold and a cooling mold of a conductive foam forming machine in turn; the coated conductive foam is pulled out by a conveyor belt; the conductive foam passes through aback glue fixture, a first roller rolls up to remove a piece of release paper thereof, and a second roller drives a first release film to fit the conductive foam; a first asynchronous motor rolls upthe first release film; a second asynchronous motor drives a second release film to fit the conductive foam; a punching machine punches the conductive foam according to the product characteristic demand; and a synchronous motor coils the finished conductive foam after punching. The original step-by-step coating forming replaced by the online integrated forming, and through conveying, punching andasynchronous winding, the difficulty that coated conductive foam cannot be wound in a traceless way and cannot be batch-grasped and pasted for SMT use is solved. The process loss, raw material loss and leftover material loss are greatly reduced, and the efficiency of production and assembly is improved.

The invention relates to a method for quickly wet-process refining non-standard coarse gold powder. In the method, the quality of a product is guaranteed, the production cost is low, the product processing loss is low and the production period is short due to optimization of an oxidization-reduction potential. The method comprises the following steps of: 1) adding pure water and feeding the coarse gold powder into a reaction kettle, adding salt and H2SO4 sequentially, quickly raising the temperature to be 80 to 85 DEG C, starting to add NaClO3 serving as an oxidizing agent to make the potential reach 1,000 to 1,100 mv, keeping the potential reacting for 4.5 to 5.5 hours, raising the temperature to be 90 to 95 DEG C, keeping the temperature for 1.5 to 2.5 hours and filtering to obtain filtrate which is called gold separation solution; and 2) injecting the gold separation solution obtained by chloridizing and dissolving the coarse gold powder into the reaction kettle, raising the temperature to remove chlorine, adding oxalic acid to adjust the potential to be 880 to 920 mv, adding anhydrous sodium sulfite to make the potential reach 710 to 750 mv, filtering, and washing filter residues to be neutral by using distilled water.

The invention discloses a vertical continuous annealing furnace, which comprises an annealing tube, a lower cooling tube, a cooling system, a wire leading-in device, a wire leading-out device and an upper cooling tube, wherein a heating device for providing a predetermined annealing temperature environment for wires is arranged in the annealing tube; the lower cooling tube is connected in series with the lower end of the annealing tube and used for cooling the annealed wires; the cooling system provides cooling protection for the annealing furnace and the wires; the wire leading-in device is used for leading the wires into a furnace body; the wire leading-out device is used for leading the wires out of the furnace body; the upper cooling tube is connected in series with the upper end of the annealing tube, a cooling protection gas is introduced into a wire passage inside the upper cooling tube just like the lower cooling tube, and the outer part of the upper cooling tube is provided with a water-cooled wall; and correspondingly, the cooling system comprises a cooling liquid circulating system and a protection gas cooling device. The scheme can ensure the annealing quality of the wires.

The invention discloses a roxburgh rose solid drink and a preparation method thereof. The roxburgh rose solid drink is prepared from the following raw materials in proportion: 10L to 20L of roxburgh rose normal juice, 0g to 20g of acesulfame, 0kg to 6kg of white granulated sugar, 0kg to 6kg of xylitol, 0kg to 6kg of isomaltitol, 0kg to 4kg of maltodextrin, 0kg to 4kg of tragantine and 0kg to 4kg of water-soluble dietary fiber. The preparation method of the drink comprises the following steps of: freezing and unfreezing roxburgh rose fresh fruits and centrifuging to obtain roxburgh rose normal juice; and preparing, filtering and performing spray drying to prepare powder or granules. The drink and the preparation method have the advantages of increased juice yield of the roxburgh rose and Vc (Vitamin C) transfer rate, good mouthfeel, convenience for carrying, long quality guarantee period, stable Vc and SOD (Superoxide Dismutase) content, simple process and equipment, high efficiency and low energy consumption and are suitable for industrial production.

The invention discloses a machining process for an outer conductor of a semi-rigid cable. The semi-rigid cable comprises an inner conductor, an insulating layer and the outer conductor. The machining process comprises the following steps of firstly, mounting a pressed and qualified cable core of phi 2.53 mm on a pay-off rack, secondly, mounting a metal band on a band pay-off rack, adjusting band pay-off tension to be 15-30 N, carrying out side cutting on the metal band, then carrying out forming through a horn die, starting a laser welding machine for welding and debugging, threading the cable core of phi 2.53 mm into the metal band for wrapping, forming, welding and sizing after the welding and the debugging. The semi-rigid cable produced thought the machining process is small in radio frequency leakage and stable in performance, quality stability, production length and the manufacturing process are improved greatly, process losses are reduced greatly, and production cost is lowered effectively.

The invention discloses a technology for preparing superfine pawpaw with a high anti-oxidation function. The technology comprises the following steps of: directly removing nuclei from pawpaw, crushing the pawpaw, performing flash evaporation drying, dehydrating till the water content is less than 8 percent, and crushing the dried pawpaw powder at the temperature lower than 140 DEG C through an airflow crusher of which airflow speed is more than 3.08 Mach till the superfine powder with the granularity less than 3 microns is obtained. By using the technology of combining the flash evaporation and the airflow crusher of multi-times sound velocity (exceeding 3.08 Mach), the original nutritional components and functional components of the pawpaw are kept, the nutritional effect components are easily freely released in human digestive tract, and minimum processing loss of all dietary fibers and anti-oxidation components of the fruits is ensured; the technology can greatly reduce the particle diameter of the superfine pawpaw powder; and compared with the conventional technology for extracting and spray-drying the powder, the technology has the advantages that the link is seldom, the heat loss of the anti-oxidation components is low, all dry substance components of the pawpaw are kept, the effect activity is high and any processing aid is not required to be added.