3results about How to "Achieve thickness" patented technology

The present invention relates to the technical field of sewage sampling, and more specifically, to an integrated sewage sampling device and sewage treatment equipment, including a sampling tube, a gas plug movably installed on the top of the sampling tube, a flow valve provided at the bottom of the sampling tube, a cavity for accommodating sewage provided in the middle of the sampling tube, and the middle cavity of the sampling tube is vacuumed before sewage extraction. The present invention controls the flow of circulating liquid inside the deep pipe by a circulating pump. At this time, the pressure difference at both ends of the magnetic column changes, and the magnetic column slides in the deep pipe under the thrust, and drives the slider to move synchronously through the magnetic force, so as to accurately and efficiently move the sampling tube to a sewage sampling position at a predetermined depth. The whole process does not require additional assistance and pushing by the staff, is simple and convenient, and the sampling control is accurate and efficient, saving manpower and material resources, and improving the overall efficiency of sewage treatment.

This invention relates to the field of aviation safety monitoring technology, and discloses a fiber optic dual-line icing detection system and method. It employs Raman scattering distributed optical fibers laid in high-icing areas on the upper surface of the wing to monitor temperature data in the corresponding areas; FBG fiber gratings with a metal coating are bonded along the spanwise direction of the wing skin to stress concentration areas to monitor strain data in the corresponding areas; the temperature and strain monitoring data are demodulated separately; the demodulated temperature and strain data are received, and icing is determined and thickness assessed using a preset icing identification algorithm; during flight, the icing situation is sensed by changes in ambient temperature and ice pressure caused by icing at the installation location, and the signal is transmitted to the anti-icing and de-icing system, improving reliability and safety during flight.

This invention relates to the field of enameled wire production technology, and more particularly to an insulating varnish and enameled wire based on nanocomposite materials. The insulating varnish comprises the following components by weight percentage: polyester resin: 40-60%, amide-imide resin: 15-25%, xylene: 10-25%, N-methylpyrrolidone: 5-15%, nano-silica: 1.0-5.0%, nano-alumina: 0.5-2.0%, fluorinated surfactant: 0.5-2.5%, epoxy resin tackifier: 0.2-2.0%, antioxidant: 0.2-0.5%, and ultraviolet absorber: 0.1-0.5%. This invention significantly improves the mechanical strength, abrasion resistance, and heat resistance of the varnish layer by introducing nano-silica and nano-alumina; improves the wettability and adhesion of the varnish by adding fluorinated surfactant; and enhances the adhesion and durability of the varnish layer by using epoxy resin tackifier.