30results about How to "Protect aging" patented technology

The invention provides a high-temperature-resistant steel wire rope core lifting belt, which comprises an upper anti-tearing layer, a lower anti-tearing layer, a core rubber layer and a plurality of longitudinal steel wire rope cores, wherein the core rubber layer is positioned between the upper anti-tearing layer and the lower anti-tearing layer; a plurality of the longitudinal steel wire rope cores are arranged uniformly and are wrapped in the core rubber layer; an upper heat-insulating layer is formed above the upper anti-tearing layer; a lower heat-insulating layer is formed below the lower anti-tearing layer; ethylene-propylene-diene monomer is adopted between the upper heat-insulating layer and the lower heat-insulating layer; and asbestos fibers, aramid short fibers and a bonding agent are added into the ethylene-propylene-diene monomer. Compared with the prior art, the high-temperature-resistant steel wire rope core lifting belt has the advantages that aging and cracking of the rubber layer can be effectively prevented, the core rubber layer and the steel wire rope core are protected from aging and breaking away, the service life of a conveying belt is prolonged, the damaging rate of the conveying belt is effectively reduced, the production cost is lowered, and the production efficiency is increased.

An electrical switching system, preferably a medium-voltage switching system, has a power switch or load switch, a disconnecting switch, and a grounding switch configured as a vacuum switching chamber. Low separation distance lengths and a more compact construction of a switching system is achieved by means of a housing in which the disconnecting switch, configured as a vacuum switching chamber, the grounding switch, and the power switch or load switch are disposed, and in which a central switch is disposed, with which the vacuum switching chambers of disconnecting switch and grounding switch can be mechanically activated. Electrical connections between connector contacts of power switch or load switch, disconnecting switch, and grounding switch can be produced.

The invention relates to an inlaid ceramic decoration (10) including a ceramic body (11) that has at least one recess (12) forming the pattern for a decoration (13). According to the invention, said at least one recess is entirely filled by first and second electrically conductive layers (14, 15) of approximately 50 nm and a metallic galvanic plating (16) so as to form a ceramic element (10) inlaid with at least one metallic decoration (13) with improved visual rendering.The invention also relates to the method of manufacturing the inlaid ceramic element.The invention concerns the field of decorated ceramic parts.

Foam concrete is produced by mixing the following raw materials in parts by weight: 200-300 parts of cement, 250-850 parts of fine sand, 20-40 parts of foaming agent and 10-20 parts of compensating agent. The foam concrete has the advantages that: the foam concrete is light in weight and attractive in appearance; closed holes exist in the foam concrete, so that the volume weight of the foam concrete is 500-1200 kg / m3; the foam concrete is cast in site and integrally formed and is light in weight and high in hardness; the foam concrete is closely connected with a base course, so that the bearing capability of a heat insulating layer is greatly improved; and the original raised heat insulating layer is changed into an attractive, flat and practical garden, or an entertainment place or the like, so that the using space of a building is increased.

The invention relates to a method for preparing rubber waste cracking converted modified asphalt. The method mainly comprises the following steps: allowing rubber waste powder to go through a normal pressure double helix device, carrying out high temperature processing at 260-360DEG C for 10-30min to realize cracking conversion of the rubber waste in order to form a viscous asphalt material, adding the viscous asphalt material to heavy duty asphalt, stirring to obtain a rubber waste cracking converted asphalt mother liquor, adding 1-6wt% of SBS, and carrying out shearing dispersion to obtain the high performance modified asphalt. An apparatus for preparing cracking converted rubber has the characteristics of low cost, high conversion efficiency, environmental protection and safety, and the modified asphalt obtained through cracking converted rubber and heavy duty asphalt mixing and SBS modification has the characteristics of stable heat storage, excellent high and low temperature performances and excellent ultraviolet resistance, and makes the rubber waste have good economic and environmentally-friendly benefits.

The invention relates to a method for extending the lifetime of a PEMFC fuel cell that includes the step of supplying, at anode 3, a chemical compound capable of reacting with oxygen, but not originating from the fuel.

The invention relates to a multifunctional finishing agent and preparing method of nanometer composite water-clearing cloth with oil resistance, waterproof and sun-screening, which comprises the following parts: nanometer titanium dioxide, water-soluble acrylic fluorocarbon resin, cross linking agent, modifier, hygroscopic draining diaphoretic and water. The preparing procedure comprises the following steps: heating the weighed water; adding the titanium dioxide into the heating water; oscillating the solution by ultrasonic oscillator; stirring the solution at high speed to disperse the titanium dioxide entirely and uniformly; keeping 65 deg.c; adding the Ritter, Habolster and moisture absorption sequently to stir rapidly until dispersing; adding water-soluble acrylic fluorocarbon resin to stir rapidly until dispersing; immersing the cloth in the water-clear finishing agent for 2 minutes under normal atmospheric temperature; bailing, drying and putting into the 150 deg.c baking machine to generate product. The invention uses a basin clear-water to wash the clothes, which is widely used in the sports, blouse, uniform, field, fishery, architectural job clothes, window Holland, ad, sheet, car sunscreen cap and other domains.