40results about How to "The operation method is simple and reliable" patented technology

The invention discloses an electric power big data storing method capable of dealing with N-5 storage medium failure. The method includes the steps of constructing a data communication network, distributing a data storage unit, storing data and polling and dealing with failure. The operation method is simple, reliable, high in operation automation degree and capable of effectively finding operation failure of a storage device in time on one hand and effectively improving failure resisting capacity and repairing capacity of the storage device on the other hand to effectively improve operation stability and reliability of an electric power big data storage system and avoid data loss.

A process method for producing lead calcium cerium alloy on the basis of a waste lead grid mesh of a waste lead-acid storage battery belongs to the field of integral recycling of waste lead-acid storage battery. The process comprises the steps of performing low-temperature melting on the waste lead grid mesh to remove copper, refining to remove impurity, selectively removing antimony and arsenic,adjusting tin content, adding calcium aluminum and rare-earth cerium for alloying, and casting ingot. The indexes such as tensile strength, density, hardness and corrosion resistance of the produced lead calcium cerium alloy are basically consistent with those of lead-based alloy prepared by original electrolytic lead, and the application requirement of storage battery grid alloy is met. The process method has the advantages that the process is simple, is convenient to operate and is high in production efficiency, valuable metal tin in the waste lead grid mesh is effectively utilized, the production cost of lead alloy preparation is reduced, meanwhile, no smoke and no favor are generated during the antimony and arsenic removal process, and the working environment is favorable.

The invention discloses an electric barring device used for a wind generating set. The electric barring device used for the wind generating set comprises a fixing support, a movable base board, a plurality of first connection devices, a motor speed reducer, a control box, a displacement adjusting device, a pinion and a big gear, wherein the fixing support is in a groove shape and comprises a second connection device, a plurality of oblong holes and a threaded hole; a plurality of through holes are formed in the position, corresponding to the oblong holes, of the movable base board; the motor speed reducer is fixed to the movable base board through a third connection device; the displacement adjusting device comprises an adjusting screw rod and a locking nut; the pinion is installed on an output shaft of the motor speed reducer through a fourth connection device; and the big gear is installed on the side face of a brake disc of a high-speed shaft of a gear case of the wind generating set through a fifth connection device. By adjusting the adjusting screw rod, the motor speed reducer can drive the pinion to move up and down in the vertical direction to be engaged with or disengaged from the big gear. The electric barring device used for the wind generating set is safe, reliable, convenient to dismount and mount and good in universality, and improves the work efficiency.

The invention provides a preparation method of a nanoparticle linear array resistor. The preparation method comprises the steps: a prepared sample is obtained; the prepared sample is put on a three-dimensional micro displacement platform; femtosecond pulse laser passes through an optical path system to transmit a quartz slide to be focused on the surface of a gold film; a PC controls the three-dimensional micro displacement platform to move in the directions of a Y axis and a Z axis; the gold film is subjected to ablation by the focused laser to form plasma spray in a constraint space; the spayed gold nanoparticles are received by the covered glass, and the gold nanoparticle linear array resistor is obtained on the glass surface; and the morphology features of the gold nanoparticle lineararray resistor are represented. The method is based on a femtosecond laser micro-nano processing platform and is combination with a laser induced backward transfer technology; by controlling femtosecond pulse laser energy density, scanning speed and processing number of branches, the linear array resistor formed by the gold nanoparticles is prepared; and the gold nanoparticle morphology features of different processing parameters are represented by a scanning electron microscope and an atomic force microscope.

A large-scale steam test system and method based on the auxiliary steam system of a thermal power plant, the system includes a first steam source connected to the auxiliary steam header pipeline, a second steam source connected to the startup boiler pipeline, and the first steam source and the second steam source The main steam source where the steam source pipes merge together, the spray water source connected to the start-up boiler water tank, the spray container that connects the main steam source pipe and the spray water pipe, the steam main upstream that connects the spray container and the test piece, The steam bypass pipe connecting the spray container and the start-up boiler to the empty steam exhaust pipe, the downstream of the steam main pipe connecting the test piece and the start-up boiler to the empty steam exhaust pipe, and the super bypass pipe connecting the upstream of the steam main pipe and the empty steam exhaust pipe The pressure protection pressure relief pipe is located at the lowest level of the test piping system and is a drain pipe composed of traps and pipes; the present invention also provides a test method; the present invention uses the auxiliary steam system of the existing thermal power plant to provide large-scale thermal-hydraulic tests. High pressure and large flow can adjust the test steam.

The invention relates to a process method for producing a high-tin-lead-calcium alloy by utilizing a waste lead grid mesh of a waste lead-acid storage battery, and belongs to the field of waste lead-acid storage battery comprehensive recovery and utilization. The process method for producing the high-tin-lead-calcium alloy by utilizing the waste lead grid mesh of the waste lead-acid storage battery comprises the steps of melting the waste lead grid mesh in a smelting pot at low temperature, controlling the melting temperature to range from 350 to 500 DEG C, ramming ash, and adding a copper removal agent for removing copper so as to obtain a decopperized lead solution; and heating the decopperized lead solution to 580 to 650 DEG C, adding an antimony-arsenic-removal tin-protecting agent forremoving antimony and arsenic so as to obtain a tin-containing lead solution, purifying the tin-containing lead solution, and then preparing the high-tin-lead-calcium alloy. The produced high-tin-lead-calcium alloy has the indexes such as the tensile strength, the density, the hardness and the corrosion resistance being basically consistent with those of a lead-calcium alloy prepared from nativeelectrolytic lead, and the use requirement of the lead-calcium alloy of the storage battery is met. The process method for producing the high-tin-lead-calcium alloy by utilizing the waste lead grid mesh of the waste lead-acid storage battery has the advantages of simple process, convenience in operation, high production efficiency, capabilities of effectively utilizing valuable metal tin in the waste lead grid mesh and reducing the production cost for preparing the lead-calcium alloy, no smoke or odor during the antimony and arsenic removal reaction process at the same time, and favorable working environment.