32results about How to "Improve breakthrough" patented technology

The utility model discloses a technology for treating coking wastewater by using a novel feeding activated sludge method, which comprises the following steps: biochemical treatment process is carried out on the pretreated wastewater, the coking wastewater first enters an A-grade biochemical pond to provide carbon sources for denitrification, and then the coking wastewater enters a 0-grade biochemical pond for carrying out oxidation and nitration under aerobic environment, the effluent water of the 0-grade biochemical pond enters a secondary sedimentation tank; the supernatant from the secondary sedimentation tank enters a subsequent-stage treatment system and one part of settling sludge refluxes and enters the A-grade biochemical pond and 0-grade biochemical pond; the other part of the settling sludge enters a sludge thickener. As flocculants are added into the biochemical pond, the ability of tolerating loads is greatly improved, and shock resistance is also greatly enhanced; the area of the biochemical reaction pond is reduced to 70 percent of the area of the reaction pond of traditional feeding activated sludge method, so investment costs are saved and operation costs are decreased; while the decolorizing ratio of the technology to coking wastewater, black liquor and chloromycetin wastewater can reach to more than 80 percent.

The invention discloses a signal conversing device of static multipoint strain gauge, which comprises the following parts: several detecting point conversing circuit, conversing controller and center controller, wherein the detecting point conversing circuit contains first input end A, second input end C, first output end B, second output end D, fifth relay K5, sixth relay K6, seventh relay k7, first fixing resistance R1, second fixing resistance R2, first switch-in point RX1, second switch-in point RX2, third switch-in point RX3, forth switch-in point RX4. The invention reduces error from 0.5 percent to 0.3 percent, which improves conversing speed obviously.

The invention provides a copper film shielded transposition wire, which relates to the technical field of transformers. The structure includes that a shielding wire layer is sandwiched inside a single transposed conductor or between two combined transposed conductors, the single transposed conductor is composed of two rows of multiple single flat wires, the The shielded wire layer is copper film shielded wire layer. There is one copper film shielded wire layer, or two or more copper film shielded wires are arranged side by side. The structure of the copper film shielded wire is as follows: A copper film is provided on the outside, and an insulating material layer is provided on the outside of the copper film. The positive effects of the present invention are: overcome the deficiencies of the prior art, the copper film shielded transposition wire has a simple structure, good shielding effect, light weight, and saves copper material; it has wide application and is a good substitute for the common shielded transposition wire The product is especially suitable for the inner shielding wire used in the transformer winding; its manufacturing process is good, the efficiency is high, and the manufacturing cost is greatly saved.

The invention mainly discloses a production process of a nuclear bolt. A 42CrMoE steel material is adopted as a raw material, and the nuclear bolt is produced by blank preparation, heat treatment, surface treatment and flaw detection, wherein the raw material of 42CrMoE comprises the following chemical components by mass percent: 0.38 to 0.48 of C, 0.10 to 0.40 of Si, 0.75 to 1.00 of Mn, no more than 0.025 of P, no more than 0.015 of S, 0.80 to 1.15 of Cr, 0.15 to 0.30 of Mo and the balance of Fe. The product obtained by production in the invention meets the requirements of nuclear 1-stage equipment, nuclear 2-stage equipment and nuclear 3-stage equipment, and the strength, the hardness and the impact resistance all reach standards.

The invention relates to manufacturing technology of a micro-lens, and in particular relates to a process for preparing a micro-lens crystal and application of the micro-lens crystal. The process for preparing the micro-lens crystal comprises the following steps of: 1, preparing a screen rack; 2, preparing a halftone; 3, exposing and developing; 4, printing; and 5, printing down. The preparation process has the characteristics of one-time production of larger-area micro-lens layout, improvement on production efficiency and reduction in production cost. The prepared micro-lens crystal is widely applied to three-dimensional printing, material packaging, light source amplification and the like, and is suitable for the mass-market demand.