61results about How to "High technical reliability" patented technology

The invention concerns a vertical-axis wind turbine comprising a central rotary tower whereto are fixed substantially vertical blades, said blades capable of rotating and moving radially relative to the central tower, the movement of each blade being independently controlled based on the conditions to which it is constantly subjected so as to optimize the overall performance of the wind turbine.

The invention belongs to the technical field of aircraft deicing, and in particular relates to an autonomous intermittent deicing device, an installation method thereof and a deicing method. One of the autonomous intermittent deicing devices includes a memory material support and an electric heating module. There are several memory material supports connected to the electric heating module; when the memory material support is arranged on the inner wall, the The electric heating module has two states; state one: the contact surface of the electric heating module is not in contact with the inner wall; state two: the contact surface of the electric heating module is in contact with the inner wall. The electric heating module heats the ice layer instantly and rapidly, and the air pressure brought by the vaporization of the contact surface between the ice layer and the inner wall can break the ice layer in a large range; compared with the slow heating in the prior art, the present invention has a higher energy utilization rate for deicing per unit area High advantages; and the present invention also has the advantages of simple and reliable structure.

The invention relates to a technique for enhancing amorphous forming ability of an alloy melt. The technique is characterized by comprising the following steps: 1. measuring the viscous characteristic of an superheating circulation treatment alloy melt; 2. establishing the relation between the superheating circulation treatment temperature and alloy melt viscous characteristic of the Fe-Si-B alloy melt; 3. selecting the Fe-Si-B alloy melt superheating treatment temperature, and carrying out heat treatment; and 4. cooling the Fe-Si-B alloy melt subjected to superheating treatment to the set melt temperature, and quickly setting to obtain the solid amorphous alloy. The technique can enhance morphous forming ability of lloy melt and lower morphous solid alloy preparation difficulty by utilizing the viscous characteristic of the superheating treatment on the premise of not changing lloy composition and quick setting technological conditions. The technique has dvantages of low implementation cost, high efficiency, high controllability, high repetitiveness, high technical reliability and the like, and can be widely used in the technical field of metal functional material preparation.

The invention provides a process method for preparing a low residual thermal stress amorphous alloy, comprising: step S1, select a reference alloy, and use a non-metallic element that forms a low-melting point alloy with a metal element to partially replace the non-metallic element that forms a high-melting point alloy with a metal element. Form a series of alloys with different components by means of metal elements, and measure their viscosity at different casting temperatures to establish the relationship between viscosity-casting temperature-composition; step S2, measure different cooling conditions for the series of alloy melts at different casting temperatures Set up the relationship of cooling condition-solidification temperature-casting temperature-composition; step S3, at first, according to the relationship obtained in step S1, select the alloy composition of low viscosity and set the casting temperature according to the viscosity standard; then, according to the selection The alloy composition, the set casting temperature and the relationship obtained in step S2, select the cooling conditions corresponding to the increase of the supercooled solidification temperature; finally, an amorphous alloy is obtained.

The invention discloses a regulation method of an amorphous alloy average atomic cluster size. The regulation method of the amorphous alloy average atomic cluster size comprises the steps that amorphous alloy fused mass average atomic cluster size is calculated, specifically, the average atomic cluster sizes of amorphous alloy fused mass are calculated under different temperatures, the calculationresults of the average atomic cluster size changed with the temperature are acquired; super heating treatment is conducted on the alloy fused mass, specifically, the needed average atomic cluster size is chosen according to the calculation results, the temperature corresponding to the chosen average atomic cluster size is determined to be the super heating treatment temperature of the alloy fusedmass, heat preservation is conducted on the alloy fused mass under the super heating treatment temperature, and the alloy fused mass after the super heating treatment is acquired; and rapid solidification is conducted, specifically, the rapid solidification is conducted on the amorphous alloy fused mass after the super heating treatment, and an amorphous solid alloy is acquired. According to theregulation method of the amorphous alloy average atomic cluster size, a novel concept and a novel method of designing and preparation of an amorphous alloy microstructure are initiated, and the regulation method of the amorphous alloy average atomic cluster size has the characteristics of simpleness, convenience, high efficiency, low cost, high technology reliability and the like.

The invention relates to a process method for regulating the thickness of iron-based amorphous alloy strips. The invention can control the iron-based amorphous alloy strip thickness by using the process method of iron-based alloy melt composition and heat treatment temperature without changing the rapid solidification process conditions. The thickness of the crystal alloy strip is reduced, and the difficulty of preparing the iron-based amorphous alloy thick strip is reduced. The invention has the characteristics of low implementation cost, high efficiency, strong controllability and repeatability, high technical reliability, etc., and is suitable for wide application in the technical field of metal functional material preparation.

The invention discloses a large wind tunnel nozzle test section integrated device, and relates to the technical field of aerospace testing. The large wind tunnel nozzle test section integrated devicecomprises an nozzle test integrated section, an outlet flange section, a support frame car, a thread pin and wind tunnel devices; the support frame car is horizontally placed on the ground; the nozzletest integrated section is placed horizontally on the upper surface of the support frame car, and the axial direction of the nozzle test integrated section is identical to the longitudinal directionof the support frame car; the outlet flange section is coaxially fixed and installed in an axial outlet end of the nozzle test integrated section; the outlet flange section and the nozzle test integrated section are fixedly connected through the threaded pin; the wind tunnel devices are coaxially and fixedly mounted on the axial inlet end of the nozzle test integrated section and the axial outer end of the outlet flange section. The large wind tunnel nozzle test section integrated device adopts the modular design, is low in processing and manufacturing cost, is high in economy; driving is achieved by a wheel set, guiding and positioning is achieved by a guide rail; the operation is simple, and the safety is high; and the precise positioning design reduces the labor cost, and the disassembly and assembly is convenient. .

The invention discloses an entirety quenching grader blade making method and the quenching module. The thermal process includes the following steps: hot pressing to forming at the same time of taking entirety quenching to the blade, locating blade between upper mould and down mould after heating, adjusting the blade location, pressing to the set value by pressing machine, injecting quenching liquid into quenching furnace, flowing toward to blade to take entirety quenching and finishing molding; putting the blade into furnace to heat and insulate, taking out for cooling. The quenching mould includes upper mould, down mould, upper mould base and down mould base. The invention could be used to produce excellent and long useful life grader blade.

The invention relates to a technological method for increasing the content of iron in a thin amorphous Fe-Si-B alloy strip. The method is characterized by comprising the steps as follows: S1, the decomposition temperature of nonmetallic atomic clusters in Fe-Si-B alloy melt is calculated; S2, the temperature for mainly forming the first neighborhood relation between iron atoms and nonmetallic elements in the Fe-Si-B alloy melt is calculated; S3, the heating treatment temperature of the Fe-Si-B alloy melt is set, the Fe-Si-B alloy is heated to the temperature at which the iron atoms form the strong first neighborhood relation with silicon atoms and boron atoms; S4, the heated alloy melt is quickly cooled to the set pouring temperature and is quickly solidified, and the thin amorphous solid alloy strip is obtained. With the method, the purpose of increasing the content of iron in the thin amorphous Fe-Si-B alloy strip can be achieved by regulating and controlling the microstructure of the amorphous Fe-Si-B alloy, so that the saturation magnetic induction intensity of the thin amorphous Fe-Si-B alloy strip can be increased.