42results about How to "Realize synergy" patented technology

The invention discloses a method for improving the recovery rate of an iron component in steel slag. The method comprises the steps of: mixing modifiers in a predetermined proportion in the steel slag in a molten state, that is, in a process of discharging the molten steel slag, adding the modifiers into the steel slag, directly melting the modifiers by virtue of sensible heat of the steel slag, and changing the alkalinity of the steel slag by means of a molten state modifying method, wherein the adulterate amount of the modifiers is smaller than or equal to 25% by mass of the steel slag; and by adding the modifiers containing silicon oxide and / or iron oxide to recombine the component of the steel slag, increasing the contents of magnetite and hercynite so as to improve the recovery rate of the iron component. According to the method disclosed by the invention, sensible heat of the molten steel slag is effectively utilized, so that heat needs not to be compensated in the modifying process; the modifiers which are added into the steel slag are either cheap raw materials or solid wastes such as tailings and dust slime, so that optimization and synergic action of resources are realized. Meanwhile, by adding the modifiers containing silicon oxide and / or iron oxide and increasing the contents of magnetite and hercynite after component recombination, the recovery rate of the iron component in the steel slag is improved.

The invention provides a vehicle working condition online monitoring system for a rail transit, and belongs to the technical field of rail transits. The monitoring system provided by the invention comprises a vehicle working condition data acquisition module, a composite sensor, a vehicle-mounted working condition information preprocessor, a driver information display system, a regional information processor, a ground center information processor and a network communication transmission system; and the fault region of a vehicle can be divided into a primary level, a regional level and a central level, and the state data can be sent to the ground through the network communication transmission system, so that the fault of the primary level is analyzed and processed through the correspondingvehicle-mounted working condition information preprocessor, the fault of the regional level is analyzed and processed through the regional information processor of the corresponding ground, and the fault of the central level is analyzed and processed through the ground center information processor of the corresponding ground. Therefore, different fault types can be timely and effectively solved at the most proper places, networking and intelligence of the monitoring system are realized, and running reliability and safety of the rail transit can be finally improved.

The invention belongs to the mining field and particularly relates to an ore-blast backfill synergetic mining method for a partitioned rock drilling stage of an inclined medium-thick ore body. According to the mining method, the partitioned rock drilling of fan-shaped blast holes of a trench ore section, annular blast holes of a non-triangular jamb and beam-shaped blast holes of triangular jamb in a rock drilling cave is realized based on different ore bodies and rock drilling conditions, the problem of blasting of a hanging side triangular jamb is solved, and the blasting effect of the annular blast holes in the rock drilling cave is improved; by comprehensively utilizing the dead load and the blasting-power handling of the ore body, the concentrated ore gathering of ores in ore gathering tunnels of trenches of different partitioned mining sections and the concentrated ore removal of ore removal lands and ore removal approach roads in the stage are realized, and the centralized working scale and efficiency of mining are improved; and by virtue of interval recovery, subsequent cementing and non-cementing synergetic backfilling on ore chambers and jambs, the continuity of the mining process among different mining sections is realized, and an efficient, safe and low-cost continuous mining method is provided for the inclined medium-thick ore bodies with medium stability and higher stability.

The invention provides a composite phospholipid transfersome which promotes propranolol percutaneous absorption, and a preparation method thereof. According to the invention, two phospholipid materials with different phase-change temperatures, which are dipalmitoyl phosphatidyl choline and soybean lecithin, are adopted as a composite phospholipid material. Compared with a transfersome with a single phospholipid material in prior art, the propranolol composite phospholipid transfersome prepared with the phospholipid material provided by the invention has substantially improved encapsulation efficiency, reduced leakage, improved stability in rat plasma, and substantially improved bioavailability after percutaneous administration. The propranolol composite phospholipid transfersome provided by the invention is especially suitable to be used for treating infantile hemangioma. With the transfersome, propranolol percutaneous administration can be realized, and propranolol can directly act upon a hemangioma affected part. The treatment effect is improved, toxic and side effects are reduced, and children medication compliance can be improved. Also, the invention provides a preparation method of the propranolol composite phospholipid transfersome.

The invention discloses a method and a device for quickly inputting communication information in a terminal. The method comprises the steps as follows: obtaining attributes of a communication information input field on a display interface in current application program; calling communication information matched with the communication information input field in each application program of the terminal according to the obtained attributes; displaying; receiving a selection instruction of a user to the communication information; and filling the communication information input field with the communication information selected by the user. Through the technical scheme, the technical problem that the conventional scheme is not perfect is solved.

The device and method for producing a molten iron by high-temperature smelting of a pre-reduced iron ore. The device for producing the molten iron by high-temperature smelting of the pre-reduced ironore comprises a furnace body, an electrode and a coal-fired spray gun, and a raw material conveying pipeline is inserted into the furnace body; an upper-layer space is provided with a high-temperatureflue gas outlet, an electrode and a coal-fired spray gun, the bottom end of the electrode is located in a slag layer area, a slag discharging port is located in the slag layer space, and a molten iron outlet is in communication with a molten iron layer area; the method for producing the molten iron by high-temperature smelting of the pre-reduced iron ore comprises the following steps that (1) thepre-reduced iron ore and a fusing agent is mixed into a device, (2) a power supply is started, the coal powder is injected, the iron ore is pre-reduced and the fusing agent is molten to form a melt;(3) the iron oxide reacts with the coal powder to generate molten iron and furnace slag, and the electric arc generated through the molten iron to further heat the molten iron; and (4) the temperaturein the smelting process is 1350-1550 DEG C, the slag discharging opening is started to discharge the slag, and then the molten iron outlet is started to discharge the molten iron. According to the device and method for producing the molten iron by high-temperature smelting of the pre-reduced iron ore, the energy consumption is cooperatively utilized, the energy consumption loss is greatly reduced, and the energy utilization efficiency is improved.

The invention discloses a method for preparing calcium aluminate by utilizing aluminum ash and acetylene sludge. The method comprises the following steps: performing catalytic hydrolysis, acidolysis and washing on aluminum ash so as to prepare high-purity aluminum ash powder; performing ball-mill mixing on the high-purity aluminum ash powder and acetylene sludge, performing compression molding onthe mixed powder, and sintering in a sintering furnace to prepare an active calcium aluminate bulk material; crushing and performing ball milling, thereby obtaining the high-activity calcium aluminaterefining agent. The calcium aluminate refining agent prepared by the method disclosed by the invention is excellent in property, and standard requirements of calcium aluminate YB / T4265-2011 for a steel-making slag remover are met. The method disclosed by the invention solves the pollution problems of the aluminum ash and acetylene sludge hazardous / solid wastes to the environment, realizes resource utilization, and has excellent environmental, economic and social benefits.

The invention relates to the field of preparation of alumina fibers, in particular to a method for preparing continuous alumina fibers from coal gangue. It includes pulverizing coal gangue, followed by roasting and activation, hydrochloric acid leaching, iron removal, followed by crystallization of aluminum chloride to prepare spinnable sol, and finally electrospinning to prepare continuous alumina fibers. The preparation method is easy to operate, low in cost, easy to control the process, high in the extraction rate of alumina, stable in product quality, realizes the synergistic utilization of coal gangue and red mud, and the prepared continuous alumina fiber has good heat resistance stability, With chemical corrosion resistance and good wettability, it can be used as various heat treatment furnaces in the iron and steel industry, and the energy saving effect is remarkable. In addition, it can be used as a catalyst support in the chemical industry. Heat insulation materials for nuclear reactors and space shuttles, reinforcement materials for light alloys, etc.

The invention discloses a method for denitrification in a sintering process by utilizing various types of flue gas, comprising the following steps: analyzing the components of flue gas from different kilns; assembling and mixing the flue gas in a gas cabinet, and monitoring at the outlet of the gas cabinet in real time Flue gas composition and temperature, adjust the flue gas composition plan, confirm that the composition CO and temperature of the assembled flue gas meet the requirements, so that the assembled flue gas passes through the sintering trolley being produced; After coming out, the flue gas is led to the sintered ore ring cooler for NO removal, and the flue gas after NO removal is used for waste heat recovery to form an external circulation; The flue gas is combined with the flue gas to form an internal circulation. The invention has obvious effect of treating waste by waste, and provides a new idea for efficient emission reduction of NOx in the sintering process.

The invention discloses an alarm device for intelligent fire extinguishing equipment, which belongs to the technical field of alarm devices and comprises an alarm box and a box door. The interior of the alarm box is fixedly installed with a box control panel, and the side wall of the alarm box is fixedly equipped with a moisture collection mechanism; the present invention can realize automatic moisture collection by setting a moisture collection mechanism on the outside Function, the collected water will be effectively stored, through the design of the physical structure, through the use of physical phenomena during the operation and shutdown of the device, it can realize automatic water collection for secondary use, powerful functions, and a dredging and cleaning component for the water collection tank It can effectively cooperate with the moisture collection mechanism to realize the automatic cleaning process of the smoke sensor and temperature sensor on a regular basis, without manual management, and maintain the use effect of the smoke sensor and temperature sensor.

The invention provides a preparation method for needle-punched regenerated leather used as surface leather for automobile interior. The preparation method comprises the following concrete steps: (1) opening and mixing of fibers; (2) net formation; (3) net laying; (4) reinforcing through needle-punching; (5) drying and shaping; and (6) vacuum forming. In the beginning of the design of the needle-punched regenerated leather, requirements of the automobile interior surface leather on the molding performance and mechanical properties of materials and industrial standards are taken into consideration, and raw material proportioning and production process are reasonably optimized, so cooperation among the designing, preparation and molding of a composite material is realized. Compared with traditional polyvinyl chloride and polyurethane automobile interior surface leather, the automobile interior surface leather prepared in the invention has the advantages of environmental protection, no odor, excellent elasticity, moderate strength, comfortable handle, high cost performance, etc., and is suitable for large-scale industrial production.

The invention provides a preparation method of spun-laced regenerated leather for an automotive interior surface. The preparation method comprises the following specific steps: (1) loosening and mixing fibers; (2) forming a net; (3) spreading the net; (4) pre-wetting; (5) spun-lacing; (6) drying; (7) carrying out vacuum plastic-absorption and molding. The requirements on material molding properties and mechanical properties by the automotive interior surface and industrial standards are sufficiently considered at the beginning of designing, and raw material ratios and a production process are reasonably optimized, so that collaboration of design, preparation and molding machining of a composite material is realized. Compared with traditional automotive interior surfaces including polyvinyl chloride, polyurethane and the like, the prepared automotive interior surface has the advantages of greenness and environmental friendliness, no odor, excellent elasticity, moderate strength, comfortable hand feeling, high cost performance and the like and is suitable for large-scale industrial production.