31results about How to "Reduce loss costs" patented technology

The invention discloses a power distribution network line operation efficiency evaluation method. The method comprises the steps of calculating an optimal load of a power distribution network line andan available load of the power distribution network line according to received historical operation data; and according to the optimal load, available load, calculating a reference load level value and an actual load level value of the power distribution network line respectively according to the rated power of the power distribution network line and the actual load of the power distribution network line; the ratio of the actual load level value to the reference load level value is used as the operation efficiency of the power distribution network line; according to the operation efficiency obtained through calculation, the load value with the minimum loss cost of the power distribution network line in the ideal state is comprehensively considered, the maximum load of the power distribution network line under the standby capacity and the rated load and the actual load of the power distribution network line are considered, and the operation efficiency obtained through calculation can be more accurately evaluated. The invention also provides a power distribution network line operation efficiency evaluation device and a storage medium, which have the above beneficial effects.

The invention relates to a method for obtaining a high-pearlite high-tenacity nodular cast iron crankshaft by improving the pearlite content of nodular cast iron and improving the mechanical properties. For a nodular cast iron crankshaft casting containing less than 0.82% of Mn, after treatment of the casting by a double normalizing process of residual heat normalizing and general normalizing, the pearlite content of the nodular cast iron crankshaft casting is greater than or equal to 95%, the elongation is greater than or equal to 5%, and HB is greater than or equal to 260. The invention dispenses with the cost of adding Cu and the cost of normalizing liquid and consumption thereof, and enables the pearlite content of the nodular cast iron crankshaft casting to be greater than or equal to 95% and the nodular cast iron crankshaft casting to have favorable mechanical properties.

The invention relates to a kneading knife for an extruder. The kneading knife includes a material guide port (2), a storage blade (3), a rotary cutting blade (4), a kneading blade (5), a slow kneading groove (6) ), fast kneading tank (7), discharge opening (8), discharge blade (9), cutter outer circle (11), the above-mentioned components are set in groups, and the number is two groups, and each group is in the kneading The circumference of the kneading knife is evenly distributed; the kneading knife also includes an inner installation hole (1), an input end (10), and an output end (12); the fast kneading groove (7) and the slow kneading groove in the same group The kneading grooves (6) start from the material guide port (2) of this group, and end at the positions where the discharge port intersects with the slow kneading groove and the fast kneading groove in the other group; The blade (4) is located at the angle between the starting ends of the fast kneading groove (7) and the slow kneading groove (6); the pitch of the fast kneading groove (7) is greater than that of the slow kneading groove (6). The kneading knife of the invention improves the production efficiency of puffing and improves the quality of feed.

The invention discloses an automatic hot-working steam cylinder clamping mechanism. The automatic hot-working steam cylinder clamping mechanism comprises a spindle, a main support, a rotary support, a feeding clamp, a discharging clamp, a steam cylinder support and a steam cylinder, wherein the spindle and the steam cylinder support are mounted at two ends of the main support respectively, and the rotary support is assembled on the spindle through a bearing; the feeding clamp and the discharging clamp are mounted at two clamping ends of the rotary support respectively. The automatic hot-working steam cylinder clamping mechanism has the advantages that by application of the main aluminum alloy support with a cooling channel, the JFB solid inlaid graphite bearing and the asymmetric replaceable clamps, stability of the clamping mechanism is improved greatly, the clamping mechanism can run stably in high-temperature and high-dust-content severe environments and is long in service life and low in fault rate, working efficiency of automatic production is improved, and the fault rate is reduced.

The invention discloses a material for surface treatment of vulcanization molds, its preparation method and application. The material is composed of thermosetting acrylic resin, silane coupling agent, silanol oligomer, carbodiimide, inorganic oxide , deionized water and silicone polyoxyethylene ether are composed according to a specific ratio. Experiments have proved that the material of the present invention can be coated on the surface of metal molds at room temperature without special equipment, simple and quick to operate, easy to construct and independently complete the coating operation, and the bonding force between the coating film and the surface of the metal mold is strong, and has a low surface area. Excellent performance of hydrophobic and oleophobic, which can reduce or eliminate the use of release agent, and also has a good anti-rust effect, which significantly prolongs the mold washing cycle and mold service life, and significantly reduces the number of mold washing and enterprise costs. ; Moreover, the material is a water-based product, does not contain solvents, and is safe for transportation, storage, and construction; it is especially valuable for tire manufacturers to achieve energy conservation and environmental protection.

The invention relates to the field of lighting technology and provides a handheld maintenance lamp. The handheld maintenance lamp comprises a columnar light source support, a first LED (light emitting diode) light source assembly arranged on the outer wall of the light source support, a transparent cover arranged outside the first LED light source assembly, a protecting mesh cover covering the transparent cover, and a driving device which is arranged under the light source support and used for driving the first LED light source assembly. The light source support is axially provided with an accommodating cavity, and a vertically-retractable hook is mounted inside the accommodating cavity. According to the handheld maintenance lamp, the LED light source is long in service life and highly reliable, so that the problem of frangibility of fluorescent light sources of existing maintenance lamps; the protecting mesh cover can protect the transparent cover and avoid breakage of the transparent cover when the maintenance lamp falls off; the hook structure embedded inside the accommodating cavity fundamentally solves the potential risk existing in existing lamps due to the fact that hooks are fixed to the head portions; meanwhile, the driving device is arranged under the light source, so that handholding operation can be facilitated, and meanwhile, the whole handheld maintenance lamp is compact in structure and safe and convenient to use.

Disclosed is a cobalt complex recycling method for a cobalt ammonia absorbent for simultaneous flue gas desulfurization and denitrification, comprising the following steps: 1) spent waste cobalt-containing absorbent in the process of the simultaneous removal of SO2 and NOx in an industrial boiler being subjected to solid-liquid separation and recycling by a microfiltration, ultrafiltration or microfiltration-ultrafiltration combination device (1) to obtain a permeate and a retentate after microfiltration and ultrafiltration, wherein the permeate is then further concentrated by a nanofiltration device (2) to obtain a permeate and a retentate after nanofiltration; 2) the retentate after microfiltration and ultrafiltration and the retentate after nanofiltration entering a pyrolysis device (3) for pyrolysis to obtain cobaltous oxide, wherein the cobaltous oxide is added to an acid dissolution device (4) and mixed with an acid solution to form a cobaltic acid solution; and 3) the permeate filtered by the nanofiltration device (2) and containing NH3.H2O and NH4 +, as a chelating reagent, together with a pH buffering agent, being fed into a mixing device (5), and being mixed with the cobaltic acid solution formed in step 2) and supplementary ammonia water in the mixing device (5) to produce a hexaammine cobalt complex for recycling.

The invention discloses an anode material of an electric / high-voltage coupled elastic press. It is a braided fabric obtained by mixing 30-60% carbon fiber and 40-70% polypropylene fiber or polypropylene fiber, that is, carbon fiber composite material cloth; the resistivity of carbon fiber is 36-144 ohm meters, and the tensile strength is 3530 Carbon fiber with ‑4410Mpa, denier 400‑700g / 1000m, flammability UL94V‑0, halogen content Cl<900, Br<900, Cl+Br<1500. The carbon fiber composite cloth can be installed behind the filter cloth of the anode filter frame of the conventional plate and frame filter, or the carbon fiber composite cloth can be directly replaced by the filter cloth of the anode filter frame, connected to the positive power supply, and used as an anode. In the present invention, the carbon fiber composite material is used as the anode material, and the electric conductivity is controllable, the cost is low, the service life is long, the energy utilization rate is high, and the installation mode is flexible.

The invention discloses a method for evaluating the operating efficiency of a distribution network line, which includes calculating the optimal load of the distribution network line and the available load of the distribution network line according to the received historical operation data, and calculating the optimal load, available load, The rated power of the distribution network line and the actual load of the distribution network line calculate the reference load level value and the actual load level value of the distribution network line respectively, and the ratio of the actual load level value to the reference load level value is the distribution network line Operating efficiency, the calculated operating efficiency comprehensively considers the load value of the minimum loss cost of the distribution network line under the ideal state, the maximum load of the distribution network line under the consideration of the reserve capacity, the rated load and the actual load of the distribution network line, thus The calculated operating efficiency can more accurately evaluate the operating efficiency of distribution network lines. The present invention also provides an evaluation device and a storage medium for the operation efficiency of distribution network lines, which have the above beneficial effects.