8results about How to "Reduce purity" patented technology

The utility model is suitable for the technical field of power supply filters, and provides an adjustable inductance type power supply filter, which comprises a sound insulation shell and an adjusting assembly, the adjusting assembly comprises a plurality of partition plates arranged in the inner cavity of the sound insulation shell side by side, and the partition plates are in sliding fit with the sound insulation shell. Through holes for mutual connection of filters are formed in the plurality of spacing plates in a penetrating manner; the power interface and the load interface are arranged on the outer side of the sound insulation shell and are electrically connected with the corresponding filters respectively; according to the utility model, through the arrangement of the adjusting assembly and the arrangement of the slidable spacing board, the spacing between the cavities can be adjusted, and the position of the filter can be adjusted; a user can finely adjust the filter according to specific power supply signal characteristics and application requirements, and the performance of the filter is optimized; meanwhile, the sound insulation shell is made of an insulating material, so that external noise can be effectively isolated, and the purity of signals is ensured; and the output of the filter is more stable and reliable.

The invention discloses a steelmaking production method for improving center segregation of sulfides in medium-carbon high-sulfur steel, and belongs to the technical field of steelmaking in the metallurgical industry. The production method comprises the working procedures of electric furnace smelting, LF refining, RH refining and continuous casting. And 1.5-1.9 kg of silicon-calcium-barium is added to each ton of steel for deoxidation during tapping of the electric furnace, and pyrite is added to an LF for sulfuration. And in the RH refining process, the vacuum treatment time is 30-35 min, 0.6-0.9 m / t steel of a Te wire is added after vacuum breaking, sulfur wire fine adjustment components are fed, and the soft blowing time is 15-20 min. According to the technical scheme, the problem of center segregation of sulfides in the medium-carbon high-sulfur steel can be effectively solved, the internal flaw detection qualification rate can stably reach 97% or above, and good core quality is achieved.

The utility model discloses an automatic waste cleaning and recycling device for production and processing of single-face and double-face substrates, and relates to the technical field of waste cleaning. The cleaning assembly comprises a supporting plate and a connecting assembly, the lower portion of the connecting assembly is rotationally connected with a cleaning barrel assembly, the upper end of the supporting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a second gear, the second gear is meshed with a first gear, and the upper end of the bottom plate and the upper end of the lifter are jointly and fixedly connected with a cleaning assembly. The first gear drives the cleaning barrel assembly to rotate in the inner cavity of the storage barrel, then waste placed in the inner cavity of the cleaning barrel assembly can be driven to roll, turn over and the like, and therefore cleaning of the waste placed in the inner cavity of the cleaning barrel assembly can be accelerated, the waste in the inner cavity of the cleaning barrel assembly can be fully cleaned, and the cleaning efficiency is improved. And the cleaning barrel assembly is driven to rotate, water stains remaining on the waste materials are thrown out of an inner cavity of the cleaning barrel assembly, and therefore water stain residues on the waste materials can be reduced.

This invention discloses a high-alloy high-performance rotary guide component and its manufacturing method, belonging to the field of stainless steel technology. It solves the problems of poor microstructure uniformity and inability to simultaneously achieve mechanical properties and stress corrosion resistance in existing rotary guide components. The manufacturing method includes: smelting molten steel; preparing ingots; forging the ingots into steel billets using a high-speed forging machine after they are tapped from the furnace; heating and holding the steel billets; forging the steel billets into intermediate billets using a radial forging machine; water cooling the intermediate billets; forging the water-cooled intermediate billets a second time using a radial forging machine, followed by air cooling to obtain finished steel billets; straightening, machining, and shot peening of the finished steel billets to obtain rotary guide components; the composition of the rotary guide components, by mass percentage, includes: 18.00% ≤ Cr < 28.00%, 3.00% ≤ Mo ≤ 6.00%, 14.00% ≤ Ni ≤ 20.00%, 3.00% ≤ Mn ≤ 8.00%, Si ≤ 0.4%, Nb ≤ 0.25%, P ≤ 0.025%, S ≤ 0.02%, C ≤ 0.03%, N ≥ 0.3%, with the balance being Fe and other unavoidable impurities. The rotary guide components of this invention have fine and uniform grains and excellent mechanical and corrosion resistance.

The utility model discloses a cooling tower circulating water PH value automatic detection control device which comprises a detection device PH value detector used for monitoring the PH value of circulating water in real time; the adjusting device comprises a first chemical storage tank, a second chemical storage tank, an electric control three-way valve and a precise electronic metering pump, and is used for providing acidic substances or alkaline substances for adjusting the pH value of the circulating water; the control device is a PLC electric control box and controls the adjusting device to add needed chemicals to the circulating water system, the dosage of the added chemicals is controlled by controlling the precise electronic metering pump so as to achieve the purpose of controlling the PH value of the circulating water, and the filtering devices are arranged on the water inlet and water return port pipelines of the cooling water tower so as to further control the purity of the circulating water. Impurities are reduced, and the filter element can be replaced regularly. According to the equipment, scale is reduced, meanwhile, corrosion to cooling system terminal equipment due to the fact that the PH value exceeds the standard is avoided, and the service life of the equipment is prolonged.

The invention relates to the technical field of steelmaking production, in particular to a method for reducing steelmaking production cost by adding iron-containing miscellaneous materials, which comprises the following steps: step 1, arranging a blanking device above a transported iron ladle, and placing the iron-containing miscellaneous materials in the blanking device; 2, materials arranged in the discharging device are iron-containing miscellaneous materials with the iron content being 40%-92%; step 3, adding iron-containing miscellaneous materials with corresponding mass according to the temperature of the molten iron in the iron ladle, wherein the iron-containing miscellaneous materials contain fly ash materials; according to the method, surplus heat in high-iron-consumption production can be effectively utilized, the purity of molten steel is controlled, the oxygen consumption and the iron consumption are reduced, and the problems existing in the background technology are solved.

This utility model belongs to the technical field of metallurgical casting production equipment, and relates to a vacuum casting trolley system, including a casting ladle, a trolley body, a locking device, a movable support frame, and a lifting device. Its operation is interference-free; upon reaching the casting position, it automatically locks, and a hydraulic cylinder drives the pouring port of the sliding gate at the bottom of the ladle to descend into the receiving port of the tundish for casting. After casting, the hydraulic cylinder lifts the ladle back to its original position, and the trolley returns to its initial position. This utility model has a simple and reliable structure, effectively solving the problems of frequent malfunctions, high risk of molten steel leakage, poor casting stability, high operational difficulty, and a dirty environment associated with traditional crane-lifted ladle casting equipment. It significantly improves production efficiency, casting quality, and safety, reduces labor and equipment costs, and improves the production environment and worker occupational health conditions. It has broad application prospects and significant practical value in the iron and steel metallurgy field.

The invention discloses a cleaning device and method for corrosion foil production, and relates to the technical field of cleaning. The device comprises a device body, a motor is arranged at the top of the device body, square grooves are formed in the left side and the right side of the device body, a driving assembly is arranged on the left side of the device body, a feeding roller is arranged in the square groove in the left device body, and an electric discharging roller is arranged in the square groove in the right device body. A water storage tank is arranged in the device body, a fan assembly is arranged on the back of the inner wall of the device body, and a lead screw is arranged on the top of the output end of the motor. A water source sprayed by the high-pressure spray gun is used for washing and cleaning the corrosion foil to prevent impurity residues, meanwhile, the inclined plate disturbs water flow to prevent the corrosion foil from being damaged due to direct washing of the high-pressure spray gun in the cleaning process, and the uniformity of water flow cleaning is improved to avoid long-time central washing of the center of the corrosion foil; and the cleaning effect on the peripheral range of the etched foil is effectively improved.