4 results about "Corrosion engineering" patented technology

The utility model discloses a dustproof anti-corrosion engineering telescopic rod sealing kit which comprises a sealing kit body arranged between a hydraulic cylinder body and a piston rod, and the sealing kit body comprises a fixing disc fixed to the top end of the piston rod, a sealing sleeve connected to the bottom of the fixing disc and a fixing ring fixed to the outer side of the top end of the hydraulic cylinder body. The sealing sleeve covers the piston rod, and the bottom end of the sealing sleeve is located on the outer side of the fixing ring. The sealing sleeve piece made of rigid materials is designed between the hydraulic cylinder body and the piston rod, when the hydraulic cylinder body stretches out and draws back, the fixing disc and the sealing sleeve can move along with the hydraulic cylinder body, in the whole moving process, the sealing sleeve can always sleeve the outer side of the connecting position of the hydraulic cylinder body and the piston rod, and the dustproof and waterproof effects are achieved; and the rigid sealing sleeve further has good strength and impact resistance and is not prone to damage, a good sealing environment is guaranteed, and meanwhile the good anti-collision protection effect on the connecting position of the hydraulic cylinder body and the piston rod can be achieved.

The application belongs to the field of organic chemistry, material science and corrosion engineering, and discloses synthesis and application of a corrosion inhibitor based on rhodamine 6G. The fluorescent corrosion inhibitor LDS is obtained by synthesizing rhodamine 6G and hydrazine hydrate through a Schiff base reaction and salicylaldehyde. The corrosion inhibitor LDS not only has an inhibiting effect on carbon steel, but also can realize detection functions of corrosion iron ions and environment pH through a fluorescent signal, and further early warning of metal corrosion.

This invention relates to the interdisciplinary field of nuclear reactor engineering and corrosion engineering, and in particular to an online measurement device for fouling on the surface of fuel cladding tubes based on radioactive isotope tracing, comprising: an injection control module for injecting radioactive... 59 Fe solution was added to the coolant, and the effect of Fe ion concentration on the coolant was analyzed. 59 Fe content is regulated and controlled; experimental module for use based on injected radioactivity. 59 The Fe solution coolant was used to test the fuel cladding surface; a measurement module was used to collect data on the scale that formed on the fuel cladding surface after the test. 59 Fe radioactivity is used to estimate the surface density of the deposited scale. This invention controls the amount of Fe in the coolant... 59 The Fe content, and its effect on the scale buildup on the fuel cladding surface. 59 Online detection of Fe radioactivity can accurately calculate the corresponding 59 The Fe mass is used to infer the scale mass, and the scale information on the surface of the cladding tube is obtained in real time to reflect the dynamic changes of scale in a timely manner.

This invention discloses a waterproofing treatment method for color steel roof panels, belonging to the field of building waterproofing and anti-corrosion engineering technology. It addresses the problems of loosening of seams, failure of joint sealing, and rust leakage caused by negative wind pressure and temperature deformation of metal roof panels. The method includes the following steps: S1, base layer pretreatment; S2, nail hole sealing treatment; S3, joint reinforcement treatment; S4, overall waterproof coating application; S5, anti-corrosion surface layer application. In this invention, the base layer pretreatment process of "two-stage fine grinding + rust-converting agent treatment" thoroughly removes floating rust, oxides, and stains. The passivation layer formed by the rust-converting agent can convert active rust into a stable substance, inhibiting the spread of rust from the source. Simultaneously, the passivation layer has good compatibility with the acrylic high-elasticity waterproof coating, significantly improving the adhesion strength between the coating and the base layer, preventing coating blistering and peeling, and solving the leakage risks caused by incomplete base layer treatment in existing methods.