37results about How to "High localization rate" patented technology

The invention provides a loop layout of a reactor coolant for a passive pressurized water reactor nuclear power plant. The loop layout comprises a reactor pressure vessel and a vapor generator, wherein the reactor pressure vessel comprises a pipe connecting section cylinder, and the pipe connecting section cylinder is provided with a reactor coolant outlet pipe connecting mouth and a reactor coolant inlet pipe connecting mouth; and the vapor generator is connected with the reactor pressure vessel through a main pipeline. According to the loop layout, the design of a reactor coolant loop is improved, so that the difficulty of the technological development bottleneck of large-scale main pumps of large-scale CAP series nuclear power plants is broken through, two main coolant loops are realized under the condition that a main pump with the power higher than that of a CAP1000 nuclear power plant is not utilized and even the main pump with the power lower than that of the CAP1000 nuclear power plant is used, and meanwhile, CAP series passive pressurized nuclear power plants with power higher than that of the CAP1000 nuclear power plant are realized.

The invention relates to a method for continuously measuring the rotating speed of a main heat transfer pump in a nuclear island from reverse rotation to forward rotation. N inductance approach switches, a rotating speed signal processing unit and a signal modulator are used in the invention. The nuclear control of large foreign companies to the nuclear power field in China and the technology and price monopoly of key products are solved. The method can be popularized in the measurement of the rotating speed of other similar pump shaft pump groups to reduce imported products and improve the localization rate of nuclear power stations.

The invention discloses a moisture-proof coating agent for traditional Chinese medicine, which mainly contains 78-98% by mass of medicine, 1-11% of macromolecular skeleton auxiliary materials that are easily soluble in water and have poor hygroscopicity and other auxiliary materials, wherein the macromolecular skeleton auxiliary materials One or any combination of two or more selected from polyethylene glycol 1000-20000, solid poloxamers, and other excipients selected from one of lactose, mannitol and a small amount of low-substituted cellulose Or any two or any combination of two or more, the moisture-proof coating agent for traditional Chinese medicine has obvious moisture-proof effect, dissolves quickly, has no insoluble suspended matter, and can still maintain the powder of granules or powders under normal temperature conditions with a relative humidity below 75%. Physical characteristics, convenient for industrial application.

The invention discloses an air conditioner system control device. The air conditioner system control device comprises an input unit, a first processing unit and an executing unit and further comprises a second processing unit, wherein the input unit is used for converting external temperature signals into voltage signals, the first processing unit is used for receiving running state information of an air conditioner system and the voltage signals outputted by the input unit and generating control signals on the basis of the running state information and the voltage signals, the executing unit is used for controlling the air conditioner system on the basis of the control signals, the second processing unit is used for helping the first processing unit complete a communication and clock synchronization function, and the input unit collects the running state information and conveys the running state information to the first processing unit. A simple double-core hardware framework is adopted, the complex air conditioner control and protection function is achieved, high reliability and high maintainability are achieved, and the manufacturing cost of a high speed train is reduced.

The invention relates to the field of steam turbines, in particular to a three-stage cold metal transfer welding method for steam turbine hollow static blades. The method includes performing spot welding on a leading edge, performing spot welding on a trailing edge, cooling to the room temperature, performing full welding on the leading edge and performing full welding on the trailing edge. The full welding are performed on the leading edge and the trailing edge by the cold metal transfer method, welding joints on the back arc of the leading edge and welding joints on the inner arc of the leading edge are welded in a three-stage manner, and welding joints on the back arc of the trailing edge and welding joints on the inner arc of the trailing edge are welded in a two-stage manner. By the aid of the method, heat input during welding a steam turbine hollow blade can be reduced, welding residual stress and distortion can be controlled effectively, cooling time is reduced, the number of the welding joints is decreased, welding operation is simplified, and quality stability of welded parts is improved; technical requirements on welders are low correspondingly, production of domestic enterprises are facilitated, and technology level and localization rate of steam turbine core equipment are improved; the cold metal transfer method is adopted, and the three-stage method and relative welding sequence of 'three-segment + three-segment + two-segment + two-segment' and the welding method for each segment are adopted.

The invention discloses a test system for a passive hydrogen recombiner, and solves the problem that a system for testing the complete machine of a passive hydrogen recombiner is unavailable in the prior art. The test system mainly comprises a mixed gas tank, a reaction vessel and a sampling unit which are connected in sequence, wherein the reaction vessel is communicated with a water vapor generator. The invention also provides a test method of the test system for the passive hydrogen recombiner. The test system provided by the invention has the advantages of simple structure, convenience in operation and suitability for popularization and application.

The invention relates to a manufacturing method and a system of a radio frequency self-adhesive label, and the manufacturing method of the radio frequency self-adhesive label comprises the following steps: a) using conductive ink to print an antenna on an inner layer of a surface material film of a thin film; b) mounting a chip; c) testing an electronic device; d) coating silicone oil on the surface of a release material substrate; e) curing a silicone oil release layer; f) coating hot melt adhesive on the silicone oil release layer; g) curing the hot melt adhesive; h) compounding the tested electronic device layer with the release layer coated with the adhesive; i) carrying out die cutting and waste discharge; and j) taking up and obtaining a finished product which can be stuck automatically or manually. The manufacturing method of the radio frequency self-adhesive label can meet the technical requirements of the market on the radio frequency self-adhesive label, has significant advantages in the aspects of manufacturing efficiency, product yield, durability and economy, and can solve the shortcomings of the existing process, and the popularization of the manufacturing method of the radio frequency self-adhesive label is conductive to the wide applications of the radio frequency technology.

The invention provides an electric-driven fracturing fluid continuous mixing skid, which includes a double loss-in-weight metering and feeding unit, a hydration unit, a mixing unit and a programmable controller. The unit is equipped with a weightless metering device. The hydration unit includes a mixing tank. The lower end of the mixing tank is provided with a discharge manifold. There is a discharge flowmeter on the discharge manifold; the programmable controller is connected to the weightless metering device and the water supply flowmeter, and is connected to the electric water supply pump and the electric discharge pump at the same time to regulate the speed of the electric water supply pump and the electric discharge pump to reduce the loss of weight. The flow rate of the upper water and the upper water meets the powder-liquid ratio; there is a liquid level gauge in the mixing tank, and the programmable controller is connected to the liquid level gauge and the electric discharge pump to regulate the speed of the electric water supply pump and the electric discharge pump to maintain the liquid level at on the set parameters.

The invention discloses an intelligent urban wind driven generator. The wind driven generator comprises a base, a tower frame is arranged on the base, a wind driven generator body is arranged on the upper portion of the tower frame, an arc tower frame turnover groove is formed in the base, a tower frame turnover device is arranged between two groove walls of the arc tower frame turnover groove, and is connected with the lower portion of the tower frame, and an induced air device is arranged on a groove opening of the arc tower frame turnover groove in a covering manner. Compared with the priorart, the intelligent urban wind driven generator has the beneficial effects that the structure is simple and practical, the generator is suitable for the weather abnormal area with strong wind blown,wind pressures of the strong winds to the wind driven generator body and the tower frame can be effectively avoided, the phenomenon that the tower frame bears too strong wind pressure, and the towerframe collapses is avoided, reliability of the generator is improved, the service life of the generator is prolonged, the wind driven generator can continuously generate power, the use rate of the wind driven generator is improved, cost is reduced, and the import substitution rate and the large-scale production are facilitated.

The invention discloses a three-phase multi-raw-material pressurized coal gasification device and a process thereof, which comprises a coal slurry preparing and conveying mechanism, a dry coal powder preparing and conveying mechanism and a pressurized gasification mechanism, wherein the coal slurry preparing and conveying mechanism consists of a coal mill, a coal slurry groove, a high-pressure coal slurry pump, and a high-pressure coal slurry pipeline; the dry coal powder preparing and conveying mechanism consists of a dry powder preparer, a dry powder storage groove, a screw conveyor, a coal powder pipeline and a nozzle feeding bin; and the pressurized gasification mechanism consists of a combustion chamber and a quench chamber. The high-pressure coal slurry pipeline and the nozzle feeding bin are respectively connected with a mixing nozzle which is arranged on the combustion chamber and is communicated with the interior of the combustion chamber. By the combination of multiple phases and multiple raw materials, the pressurized coal gasification device increases the content of carbon in the reactants and increases reacting efficiency and production intensity, and the contents of carbon monoxide and hydrogen in the active ingredients are increased from 80% to 84%-88%, thereby improving the comprehensive utilization ratio of the coal resource and reducing the discharge amount of carbon dioxide.