46results about How to "Conducive to stable production" patented technology

A substrate for artificial leather comprising a nonwoven fabric of bundles of microfine filaments. The substrate for artificial leather simultaneously satisfies the following requirements 1 to 4: (1) the bundle of microfine filaments comprises 8 to 70 microfine filaments having a cross-sectional shape of nearly circle; (2) the bundle of microfine filaments has a cross-sectional area of 170 to 700 μm² and a flatness of 4.0 or less; (3) on a cross section parallel to a thickness direction of the nonwoven fabric body, cross sections of the microfine fiber bundles exist in a density of 1500 to 3000/mm²; and (4) on a cross section parallel to a thickness direction of the nonwoven fabric body, gaps between the microfine fiber bundles have a size of 70 μm or less. By satisfying the requirements, the substrate for artificial leather combines high level of sensuous qualities and high level of physical properties which have been considered to be mutually exclusive.

The invention discloses a porcelain plate containing green body texture and a manufacturing method of the porcelain plate. The porcelain plate comprises a main body layer and a texture layer; the manufacturing method comprises the steps of material preparing, main body layer material distributing, texture layer material distributing, raw material uniform distributing, pressing, drying, sintering,edging or polishing; during texture layer material distributing, texture molding of a green body can be completed fast and efficiently through a carving type roller or a carving belt, or a special-shaped guiding material distributing device provided with a guiding material distributing plate is used, under the action of the guiding material distributing plate, the fluidity is different due to thefact that the particle sizes of flaky materials, granular materials and powdery raw materials are different, so that texture raw materials in a texture color zone form a texture layout with differentand changed accumulation forms. The method is suitable for large plate production, and compared with a traditional material distributing mode, the method has the advantages of being small in occupiedspace, simple in equipment structure and high in controllability.

The invention belongs to the field of biomedical materials and particularly relates to a titanium oxide-titanium carbide whisker toughened magnesium alloy biomedical material. The titanium oxide-titanium carbide whisker toughened magnesium alloy biomedical material is composed of magnesium alloy substrate material powder and titanium oxide-titanium carbide whisker powder; the magnesium alloy substrate material powder and the titanium oxide-titanium carbide whisker powder are uniformly mixed through a mechanical mixing method; the mixed powder is subjected to cold pressing, vacuum heating degassing and vacuum sintering; and a heat pressing ingot is subjected to equal channel deformation, so that the titanium oxide-titanium carbide whisker toughened magnesium alloy biomedical material is obtained. The toughness, the abrasion resistance and the strength of in-situ generated titanium oxide-titanium carbide whisker toughened magnesium alloy are remarkably improved, and the in-situ generated titanium oxide-titanium carbide whisker toughened magnesium alloy is especially suitable for the biomedical material and also can be applied to parts such as high-end sports car magnesium alloy hubs requiring for high strength and high abrasion resistance.

The invention belongs to the technical field of aluminum smelting solid waste recycling and reusing, and particularly relates to a method for recycling fluoride salt from complex aluminum electrolyte. According to the method for recovering the fluoride salt from the complex aluminum electrolyte, the complex aluminum electrolyte and the aluminum sulfate are used as raw materials, the processes of roasting, acid pickling dissolution, alkaline leaching, lithium removal, potassium removal, sodium removal and the like are sequentially carried out, a pure fluoride product (aluminum fluoride/sodium fluoride) is prepared, the whole process flow is simple and green, and the yield is high. According to the method, the fluorine element, the lithium element and the like in the complex aluminum electrolyte are recycled at the same time, HF is not generated, the resource utilization efficiency and economic benefits are improved, and stable production of electrolytic aluminum enterprises is promoted.

The invention discloses a flotation fuzzy fault diagnosis method based on texture time sequence trend feature matching. In the foam flotation field, the invention discloses a fuzzy fault diagnosis method for a flotation process, and the method is characterized in that based on the foam visual time sequence feature extraction, a sub-sequence and a sub-mode of a foam time sequence are defined, a historical feature trend information set is established by adopting historical data information, the similarity of real-time trend features and the historical trend feature set is measured, and the fuzzydiagnosis is performed on the fault occurrence probability by integrating the sequence trend information. According to the method, a concept of fuzzy fault diagnosis is provided, a flotation workingcondition state prediction representation model is established through the reliability sequence selection and the abnormal factor establishment, and a new solution is provided for the trend judgment and the numerical trend possibility. According to the method, the defect that the original foam characteristics statically describe the flotation process is overcome, the working condition abnormal symptoms are found in time, the fault possibility at the future moment is displayed in a numerical mode, the manual operation is facilitated, and the production is stably optimized.

The invention relates to a ferrous metal liquid die forging mould and a manufacturing method of the metal liquid die forging mould. A zirconium oxide or aluminum oxide coating is arranged on the inner surface of a mould cavity, diatomite thermal insulation coatings are arranged on the surface of the coating, the mould is sleeved with a copper sleeve, the copper sleeve is provided with a spiral cooling water channel which is arranged on the two sides and the bottom of the mould, and the copper sleeve is further sleeved with a supporting sleeve. The method comprises the following steps that (1), the mould is designed and manufactured according to a liquid die forge piece to be formed; (2), the zirconium oxide or aluminum oxide coating is sprayed on the inner surface of the mould cavity; (3), the mould is sleeved with the copper sleeve, the spiral cooling water channel is arranged on the copper sleeve, and the spiral cooling water channel is arranged on the two sides and the bottom of the mould; (4), the copper sleeve is sleeved with the supporting sleeve; (5), before each liquid die forge piece is forged, the diatomite thermal insulation coatings need to be sprayed on the surface of the coating of the mould. According to the ferrous metal liquid die forging mould and the manufacturing method of the metal liquid die forging mould, the temperature of the mould is decreased, and the service life of the ferrous metal liquid die forging mould is prolonged.

The invention relates to a magnetism-weight-flotation combined technology for separating hematite iron ore containing iron carbonate. The magnetism-weight-flotation combined technology comprises the step that iron ore with the hematite distribution ratio being higher than 40% is fed in to be subjected to first-stage closed circuit grinding operation. The magnetism-weight-flotation combined technology is characterized in that the magnetism-weight-flotation combined technology further comprises the steps of first-stage weak magnet and strong magnet operation, thickness grading operation, gravityseparation operation, secondary staged ore grinding operation, second-stage weak magnet and strong magnet operation and reverse floatation operation; the first-stage weak magnet and strong magnet operation treats a primary grading overflow product and a middling ore re-grinding product; the thickness grading operation treats first-stage weak magnet and strong magnet mixed concentrate; the gravityseparation operation treats a coarse particle product after the thickness grading operation; the secondary staged ore grinding operation treats gravity separation operation tailings; the second-stageweak magnet and strong magnet operation treats a fine grain product after the thickness grading operation; the reverse floatation operation treats second-stage weak magnet and strong magnet mixed concentrate; and centrifuge separation operation treats middling ore after the reverse floatation operation. The magnetism-weight-flotation combined technology has the advantages that the middling circulation volume is reduced, a process flow is simplifies, and the manufacturing cost is reduced.

The invention provides a device for monitoring PAG water base quenching medium cooling performance on line. The device comprises an automatic cooling speed monitoring instrument, the automatic cooling speed monitoring instrument is connected with a control PC, the control PC is connected with a transmission device in a control manner, and a detecting sensor is then arranged on the transmission device; the detecting sensor is placed in a heating furnace for preheating; and a detecting opening of the detecting sensor is further arranged on the side edge of the heating furnace and corresponds to the portion above a PAG water base quenching medium. According to the device, the transmission device is used for placing the detecting sensor into the heating furnace for preheating, then the detecting sensor is placed into the PAG water base quenching medium to conduct on-line monitoring, the simulation effect is achieved by the device, and the truth of monitoring results is conveniently guaranteed.

The invention discloses a ternary positive electrode material of a lithium ion battery and a preparation method of the ternary positive electrode material. According to the ternary cathode material ofthe lithium ion battery, high-nickel lithium nickel cobalt oxide is used as a modified matrix, and precursor powder is pressed by external mechanical pressure for modification. The preparation methodcomprises the following steps: stirring and mixing indissolvable inorganic salts of nickel, cobalt and manganese elements and lithium salt in deionized water, and preparing precursor powder through ball milling and spray drying; pressing the precursor powder into a cake-shaped solid under the action of external mechanical pressure; grinding and sieving the cake-shaped solid, and performing heating and calcining to obtain powder, namely the ternary material of the lithium ion battery. According to the invention, the precursor of the high-nickel lithium nickel cobalt manganate material is pressed by external mechanical pressure; compared with the prior art, the method has the advantages of simple operation, low cost, and facilitation of realization of commercial production of the high-nickel lithium cobalt manganate ternary material by enterprises, and the tap density of the high-nickel lithium cobalt manganate ternary material is improved, and uniform active particles are obtained, sothe high-nickel lithium cobalt manganate ternary material has high specific capacity and good cycle performances under a large multiplying power.

The invention discloses a control method of strip steel deviation correction based on finish rolling vertical rolls. The control method of the strip steel deviation correction based on the finish rolling vertical rolls specifically includes the following steps: S1, judging deviation types of strip steel based on deviation, detected on an exit of a finishing mill F7, of a strip steel rolling line and rolling force of an F1 rolling mill, wherein the deviation types include a head-tail ipsilateral deviation type and a head-tail reverse deviation type; and S2, regulating and controlling pressure of the vertical rolls on the DS (drive side) and/or the OS (operation side) according to the deviation types of the strip steel, and mitigating the deviation degree of the strip steel through the pressure of the vertical rolls on the DS and/or the OS. The control method of the strip steel deviation correction based on the finish rolling vertical rolls detects the deviation types of the strip steel,controls pressure output of the vertical rolls on the two sides based on the deviation types so as to improve the deviation degree of the strip steel, reduces occurrence frequency of the deviation situation of the center line in the finish mill in rolling of the strip steel, improves product quality, facilitates stable production of the hot rolling, and brings good benefit.

The invention provides high-dispersity indium oxide and a preparation method thereof. The preparation method comprises the following steps: a) taking metal indium as an anode, an inert electrode as a cathode and an ammonium nitrate aqueous solution as an electrolyte, and obtaining indium hydroxide slurry through an electrolytic method; b) adding an indium nitrate solution into the indium hydroxide slurry obtained in the step a) to enable the mass ratio of the added indium ions to indium hydroxide to be 0.01%-1%, adjusting the pH value to be 4-8, then carrying out hydrothermal reaction, and washing and drying a product to obtain indium hydroxide powder with high crystallinity and high dispersity; and c) calcining the high-crystallinity and high-dispersity indium hydroxide powder obtained in the step b) to obtain the high-dispersity indium oxide. According to the preparation method, indium hydroxide and indium oxide which are uniform in size distribution, high in dispersity and complete in crystal structure are successfully prepared in an electrolytic hydrothermal method combined mode, and the problem that indium oxide prepared from fine indium hydroxide powder synthesized through a common electrolytic method is prone to agglomeration in the calcining process is solved.

The invention belongs to the technical field of lithium ion batteries and relates to a positive material of a high-voltage lithium ion battery, the lithium ion battery and a preparation method thereof. The positive material of the high-voltage lithium ion battery is prepared from the following raw materials in percent by weight: 92%-98% of positive active substance with a single-crystal structure,1%-4% of conductive agent and 1%-4% of binding agent, wherein the structural formula of the positive active substance with the single-crystal structure is LiNixCoyMn1-x-yO2; in the formula, x is morethan 0.4 and less than 0.9, y is more than 0 and less than 0.4, and 1-x-y is more than 0 and less than 1. The positive material has good structural stability and higher heat stability in the processof high-voltage circulation, so that the defects of easy structure change and the like of the existing positive material when in use under a high voltage due to poor heat stability are relieved.

The invention relates to a method for extracting and separating high-purity yttrium from naphthenic acids in high stability, which still can guarantee a suitable phase ratio in a mixing chamber to guarantee the mixing chamber to be a sticky state when oil and water phases are extremely large or have severe fluctuation during the process that the high-purity yttrium is extracted and separated form the naphthenic acids, thereby enabling mixing phases to be rapidly clarified and separated in a clarifying chamber. The method for exacting and separating high-purity yttrium from naphthenic acids in high stability is simple in process, can rapidly and steadily adjust the phase radio of the naphthenic acids for extracting and separating the high-purity yttrium in the mixing chamber by adopting simple operation steps, rapidly builds a mixing chamber sticky system again, guarantees the clarifying chamber to normally separate phases, is simple in operation and excellent in stability, reduces technical requirements to operators, and is beneficial for stable production of enterprises.

The invention relates to a fuzzy fault diagnosis method for a zinc flotation process based on time series characteristics, and belongs to the field of froth flotation. The invention discloses a fuzzyfault diagnosis mode in a flotation process, which is based on foam visual time sequence feature extraction, defines subsequences and submodes of a foam time sequence, establishes a historical featuretrend information set by adopting historical data information, measures the similarity of real-time trend features and the historical trend information set, and performs fuzzy diagnosis on the faultoccurrence probability by integrating sequence trend information. The invention provides a concept of fuzzy fault diagnosis, establishes a flotation condition state forecast representation model through reliability sequence selection and abnormal factor establishment, and provides a new solution for judgment of trend and possibility of numerical trend. The defect that the flotation process is statically described by the original foam characteristics is overcome, abnormal signs of the working conditions are found in time, the probability of faults at the future moment is displayed in a numerical mode, and the method is beneficial to workers to operate in time and stably optimize production.

The invention relates to the technical field of automatic equipment, in particular to a turnover mechanism applied to automatic detection. The turnover mechanism comprises a rack, and further comprises a first material taking mechanism and a second material taking mechanism arranged on the rack. The first material taking mechanism comprises a first lifting mechanism and a first material suction head, and the first material suction head is connected with the first lifting mechanism. The second material taking mechanism comprises a second lifting mechanism, a rotary seat, a rotating mechanism and a second material suction head. The second lifting mechanism is arranged on the rotary seat, and the second material suction head is rotationally mounted on the second lifting mechanism through therotating mechanism. After being sucked, products can be turned over and placed at original positions, the requirement for turning over the products can be met, the detection efficiency can be improvedeasily, and the labor cost of enterprises can be reduced easily.

The invention discloses a detection device for material blocking of a charging bucket at the top of a blast furnace. The detection device comprises a material receiving hopper, the charging bucket, an airtight box, an acoustic sensor, a switch, an operation computer, a server and a blast furnace PLC (Programmable Logic Controller) control system, wherein the material receiving hopper is arranged at the upper side of the charging bucket; the acoustic sensor is arranged at the outer side of the charging bucket and is connected with the blast furnace PLC control system; the PLC control system is connected to the operation computer and the server through the switch; a material blocking detection system and a sound-light alarming system are developed and designed in the server; the material blocking detection system is connected to the sound-light alarming system. The invention discloses a detection method for the detection device. According to the detection device and the detection method disclosed by the invention, the acoustic sensor is arranged outside the blast furnace charging bucket and is convenient to mount; in addition, the acoustic sensor can work in a production state of the blast furnace. According to the detection device and the detection method disclosed by the invention, the processing efficiency of faults is improved, the downtime and under-blowing time of the blast furnace due to material blocking is shortened, the yield is increased, indexes are optimized, and stable production of the blast furnace is promoted.

The invention discloses a fuzzy fault diagnosis and prediction representation method based on size characteristic similarity measurement, belongs to the foam flotation field. The invention discloses afuzzy fault diagnosis method for a flotation process. On the basis of foam visual time sequence feature extraction, a sub-sequence and a sub-mode of a foam time sequence are defined, a historical feature trend information set is established by adopting historical data information, the similarity of real-time trend features and the historical trend feature set is measured, and fuzzy diagnosis is performed on the fault occurrence probability by integrating sequence trend information. According to the method, the concept of fuzzy fault diagnosis is provided, a flotation working condition state prediction representation model is established through reliability sequence selection and abnormal factor establishment, and a new solution is provided for trend judgment and numerical trend possibility. The defect that original foam characteristics statically describe the flotation process is overcome, working condition abnormal symptoms are found in time, the fault possibility at the future moment is displayed in a numerical mode, manual operation is facilitated, and production is stably optimized.

The invention discloses a planting method of selenium-enriched Bingtang oranges. The method comprises the steps of seedling raising, soil preparation, transplanting, field management and picking. Through the adoption of the planting method disclosed by the invention, the planted Bingtang oranges are high in yield, high in sweetness and rich in nutritional ingredients, and the selenium element content is in a range of 54-65 [mu]g/kg. In addition, the planted Bingtang oranges are bright in color and rich in fragrance, and are popular with customers in the market.

A method of producing a cell culture chip, in which a first adhesive is film-formed on a first substrate having transparency such that a first adhesive layer and a recessed portion on which one or more cell culture flow paths are formed face each other, and a second adhesive is film-formed on the first substrate such that a second adhesive layer and a flat portion around the recessed portion face each other, thereby obtaining a cell culture flow path substrate, the first adhesive containing a polyester-based resin having a glass transition temperature of 5° C. or higher, and the second adhesive containing a polyester-based resin having a glass transition temperature of lower than 5° C.