Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

104results about How to "Rational production" patented technology

Cold rolling continuous annealing units steel coil optimizing ordering method and its system

The invention provides an optimum cold rolling continuous annealing unit steel coil sorting method and a system thereof, belonging to the field of metal material processing information technique; the optimum method comprises the steps as follows: 1: the candidate steel coil is respectively sorted from highness to lowness and from lowness to highness according to the annealing temperature so as to form two initial sorting proposal; each initial sorting proposal is optimized by adopting width preference sorting or thickness preference sorting so as to obtain a plurality of groups of initial feasible sorting proposals; 2: the sorting proposal with the minimum optimum object value is selected out of the initial steel coil sorting proposals so as to be taken as the initial feasible production plan; 3: the initial feasible production plan is adjusted by using exchanging neighborhood tabu searching and alternative path conversion neighborhood searching and by taking the minimum optimum sorting model object value as the object. The corresponding system is provided on the basis of the method of the invention; therefore, switching during the execution process of the production plan is reduced, the transition is smooth, the product quality is improved and the yield is improved.
Owner:NORTHEASTERN UNIV

Production method of low torque yarns and device thereof

The invention discloses a production method of low torque yarns and a device thereof, which are used for producing the low torque yarns and belong to the technical field of yarns production in textile machinery. A newly invented yarn false twisting device is mainly adopted and installed at the position above a spinning spindle. The yarn false twisting device ensures that the produced yarns are twisted according to the set number of turns and the degree of twist of a direction of twist opposite to that generated by the spinning spindle after the yarns are drafted by a front roller and a front leather roller, and two degrees of twist are generated for the yarns between the yarn false twisting device and a spinning spindle steel traveler: in one degree of twist, the number of turns formed by the yarn false twisting device is equal to the set number of turns, and the direction of twist is the same as that generated by the spinning spindle; and the other degree of twist is generated by the spinning spindle steel traveler. The three degrees of twist are superposed, the degree of twist generated by the spinning spindle steel traveler is finally formed inside the yarns, and the yarns are wound on a tube of the spinning spindle to complete the whole production process of the low torque yarns.
Owner:绍兴华裕纺机有限公司

Aqueous blackboard paint

The invention discloses an aqueous blackboard paint which solves the problem of solvent release of existing solvent type blackboard paints. The aqueous blackboard paint comprises the following components in parts by mass: 260 parts of water, 1 part of dispersant, 1.5 parts of a wetting agent, 200 parts of emulsion, 1 part of a defoamer, 200 parts of pigment, 120 parts of filler, 15 parts of coalescing agents and 3 parts of thickener. The preparation method comprises the following steps of: during preparation, adding water into a reaction kettle, adding the wetting agent, the dispersant and the defoamer at 100-300 r/m, and stirring for 30-40 minutes; adding the pigment and filler under stirring, and dispersing for 1-1.5 hours at 500-800 r/m; then, adding the emulsion, and stirring for 30 minutes at 800-1000 r/min; pumping the materials to a grinding miller, and grinding the materials till the fineness is below 45 microns; and pumping the grinded materials to a proportioning kettle, adding the coalescing agents, the defoamer and the thickener, and adjusting the viscosity to discharge and package so as to obtain a finished product. According to the paint provided by the invention, various film forming matters in different performances are adopted to compound and modify, so that demands of the blackboard paint such as high hardness, scrubbing resistance, wear resistance and color residual prevention are satisfied.
Owner:SHANXI HUABAO NEW MATERIALS CO LTD

Complete flow unit productivity allocation control method for metallurgical enterprise

The invention provides a complete flow unit productivity allocation control method for a metallurgical enterprise. The complete flow unit productivity allocation control method comprises the steps that a complete flow unit productivity allocation control model of the metallurgical enterprise is established according to the production state of each unit and the contractual processing route of the metallurgical enterprise; the productivity allocation situation of each unit is determined, including the contract selection situation and the contract processing sequence of each unit, and the stability estimation index value of the complete flow unit productivity allocation control scheme of the metallurgical enterprise is calculated; the productivity distribution control is carried out according to the complete flow unit productivity allocation control scheme of the metallurgical enterprise and the corresponding production contract , and the complete flow unit productivity allocation control scheme of the metallurgical enterprise is adjusted in real time; the complete flow unit optimal productivity allocation control scheme of the metallurgical enterprise is issued to the complete flow unit for productivity distribution control. According to the complete flow unit productivity allocation control method for the metallurgical enterprise, the productivity allocation scheme is established by coordinating the units, so that the requirements of production equipment are met to the greatest extent, the production of each unit can be carried out stably, the production process is more reasonable, and the production switching is reduced.
Owner:NORTHEASTERN UNIV

Molten carbon heating type induction furnace based vacuum magnesium production system and magnesium production method thereof

The invention discloses a molten carbon heating type induction furnace based vacuum magnesium production system. The system is characterized by comprising a pulverizing system, a preheating decomposing system, a roasting system, a secondary heating system, a vacuum reaction system and a condensing collecting system which are sequentially connected. The magnesium production method of the system comprises three stages, namely, the preparation stage, the induction furnace based vacuum magnesium production stage, and the starting and stopping stage after finishing. According to the system and the method, magnesium-contained powder which is pulverized, decomposed and heated is utilized; a melting tank in which iron is molten into liquid is subjected to vacuum treatment and then charged with argon; high-temperature carbon powder and the magnesium-contained powder are sprayed in the melting tank to reduce so as to produce magnesium steam; the magnesium steam is converted into molten magnesium after being collected and condensed, wherein the molten magnesium is coarse magnesium which is refined to obtain a magnesium ingot. The system and the method are reasonable and compact in production process, complete in equipment coordination and process, fast to react, short in reacting time, and high in production efficiency, and can reduce more than 1/3 of the production cost.
Owner:狄保法

Heat radiator thermal resistivity tester and test system and method

The invention provides test method for thermal resistance coefficient of radiator, including the following procedures that: the initialization is set; a radiator thermal resistance coefficient tester is started; within the preset test time, the temperatures on the central position and the edge position of the radiator and the thermal resistance coefficient of the radiator are measured; after the test time is over, whether the temperatures on the central position and the edge position of the radiator are more than corresponding preset values respectively is judged; if the temperatures on the central position and the edge position of the radiator are less than corresponding preset values respectively, whether the thermal resistance coefficient of the radiator is more than a preset value is judged; if the thermal resistance coefficient of the radiator is less than a preset value, the radiator passes the test. The invention also provides a radiator thermal resistance coefficient tester and a test system. Compared with prior art, the radiator thermal resistance coefficient test method and the test system have the advantages of realizing the measurement of the thermal resistance coefficient of the radiator and the collection and analysis of the test data, thereby making the production more reasonable.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Coal mine underground water prevention and control early warning system and method and application

The invention belongs to the technical field of coal mine early warning, and discloses a coal mine underground water prevention and control early warning system and method and application, and the method comprises the following steps: an advanced exploration and stope face water disaster prediction system carries out coal mine water-containing structure and water guide condition detection, and determines stope face water disaster prevention and control technical measures; the underground water dynamic monitoring system acquires and analyzes corresponding data of underground water by using the mining area hydrological dynamic monitoring system; the mine water source rapid discrimination system is based on existing mine data, adopts geophysical prospecting, drilling and geochemical prospecting methods to carry out testing, analysis and determination of mining area water chemical background characteristics, establishes a mining area water chemical database, establishes a discrimination model of water quality of different aquifers in a well field, and rapidly discriminates various water bursting sources. According to the method, mine water inrush prediction and early warning can be carried out in time, targeted water prevention and control measures can be taken in a targeted mode, and safe, economical and reasonable production of a mine and comprehensive utilization of water resources are guaranteed.
Owner:云南滇东雨汪能源有限公司 +1

Electric arc furnace vacuum magnesium smelting system and magnesium smelting method thereof

The invention discloses an electric arc furnace vacuum magnesium smelting system. The electric arc furnace vacuum magnesium smelting system is characterized by comprising a grinding system, a preheating-decomposition system, a calcination system, a secondary heating system, a vacuum reaction system and a condensate collection system which are sequentially connected with one another. A magnesium smelting method of the electric arc furnace vacuum magnesium smelting system comprises the following stages: preliminary preparation; electric arc furnace vacuum magnesium smelting; and startup and shutdown after reaction completion. The electric arc furnace vacuum magnesium smelting system and the magnesium smelting method disclosed by the invention have the advantages that magnesium-containing powder obtained after grinding, decomposition and heating is subjected to vacuum treatment in a molten pool where iron is molten into liquid iron, and then argon gas is injected and high-temperature magnesium powder is sprayed, so that magnesium steam is generated after reduction; after collection and condensation, the magnesium steam turns into liquid magnesium to form rough magnesium; then, a magnesium ingot is cast through refining; the production process is reasonable, compact, matching in equipment, complete in technology, rapid in reaction process, short in time and high in production efficiency; and the production cost is reduced by 1/3 or above.
Owner:狄保法

Breathing protective device

The respiratory protection device comprises a filter body (1) having a filter (8) with a filter chamber (40) and a first wall part (45) with a plurality of through holes (47, 47a), at least one The filter (2) in the filter part in the wall part, and the mouthpiece (9) which is arranged to be introduced and received in the user's mouth and the opening in the second wall part (46) of the filter part (8) There is an air passage between ( 53 ) and an opening ( 54 ) at the end of the mouthpiece to be introduced into the user's mouth. The feature is: the filter part (8) has a first end (5), a second end (7) and first and second wall parts (45, 46) extending between the two ends, the filter part is elongated, when the mouth When the profile is inserted into the user's mouth, it extends parallel to the line between the corners of the user's mouth. The first wall part of the filter part has a plurality of through holes (47, 47a) in at least one area, which in the area where the through holes are placed The middle and inner sides extend straight in the direction of the long axis of the filter, the filter part is placed in the filter part chamber, along the second wall part and covers the opening of the wall part, a stopper arranged at the first end is closed during inhalation and opened during exhalation A return valve (3, 33), at least one passage (40) for exhaled air extending between the opening of the first wall part of the filter part and the check valve at the first end of the filter part.
Owner:FILTORO AB

Pulse-resistant steel-wire winding hydraulic rubber pipe

The invention discloses a pulse-resistant steel-wire winding hydraulic rubber pipe. The pulse-resistant steel-wire winding hydraulic rubber pipe comprises an inner-layer blank pipe and an outer-layer protecting layer, wherein a steel wire skeleton is wound on the outer wall of the inner-layer blank pipe, and is formed by four-layer steel wires and middle films which are spirally wound in sequence from inside to outside; and the outer diameters of the spiral lines of the spiral winding layers of the four-layer steel wires are different, and the angles of spiral lines of the spiral winding layers of the four-layer steel wires are also different. The pulse-resistant steel-wire winding hydraulic rubber pipe is optimally designed for the arranging mode of the steel-wire skeleton of ultrahigh-pressure winding rubber pipes, gets out of the original situation that the matching of the winding angles of the steel wire skeleton and the angles of all the layers of steel wires is designed and determined by experience, guarantees more reasonable production of the steel-wire winding rubber pipe, and enables the quality and the service life of the product to be greatly improved. The pulse-resistant steel-wire winding hydraulic rubber pipe disclosed by the invention has the advantages that by application of the technical analysis and the optimized design, the structure of the steel wire skeleton of the original hot-oil-resistant ultrahigh pressure winding rubber pipe is more reasonable, and further the service life of the rubber pipe is greatly prolonged; 3-5 ten-thousand times in the original design is increased to be more than 9 ten-thousand times after the optimal design by a finished-product pulse test; and the service life of the hot-oil-resistant high-performance steel-wire winding rubber pipe product is greatly prolonged.
Owner:LUOHE LETONE RUBBER

Management system for digital welding workshop

The invention discloses a management system for a digital welding workshop. The system comprises an equipment state management module, a quality analysis module, a production scheduling module and a technology assigning module; the quality analysis module analyzes the stability of welds and monitors defects of the welds; the equipment state management module acquires and displays the current working state and the historical working state of equipment; the production scheduling module sequences existing orders and determines the time when each task is conducted; and the technology assigning module assigns manually input technological parameters to the equipment through hardware circuits. Functions and the practicability of the quality analysis module are enriched, and the sequence of workpiece assembly processes is guided by the production scheduling module, so that the process of a processed product from a raw material to the final product is more reasonable and specific; and welding technology parameters are fixed by the technology assigning module, the non-standard operation of manual adjustment is avoided, the digital degree and the production efficiency of the workshop are improved, the production process of the workshop is standard and reasonable, and an administrator manages the workshop conveniently.
Owner:NANJING UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products