12results about How to "Corrosion isolation" patented technology

The invention relates to a composite multi-effect scale and corrosion inhibitor and a preparation method thereof, and belongs to the technical field of water treatment agents.The composite multi-effect scale and corrosion inhibitor is prepared from carboxylic acid monomers, sulfonate monomers, organophosphorus compounds, modified chitosan, modified nanometer titania, oxidation type initiators, reduction type initiators, azole derivatives and the like, the modified chitosan is formed by coating the surface of chitosan with cerium chloride; the modified nano titanium dioxide is formed by coating the surface of nano titanium dioxide with sodium polyaspartate. The composite multi-effect scale and corrosion inhibitor is prepared in a mode of compounding while synthesizing, the scale inhibition effect is excellent, the comprehensive descaling capacity can reach 97% or above, and the composite multi-effect scale and corrosion inhibitor can be used for a high-pH, high-alkalinity, high-temperature and high-hardness circulating cooling water system under the high-concentration-multiple operation condition; the method is suitable for circulating cooling water treatment requirements under harsh conditions in industries such as chemical industry, smelting and light industry.

The invention belongs to the field of sodium-ion batteries, and discloses a high-voltage-resistant sodium-ion battery positive electrode material which comprises a core layer and a coating layer, the chemical formula of the core layer is Na < x > Ca < y > (NiFeMn) < 0.33 > x (1-z-e) Al < z > Mg < e > O < 2 >; the chemical formula of the coating layer is Na3La2 (BO3) 3. (AFm) n; 0.99 < = x + y < = 1.04, 0.01 < = y < = 0.05, 0.01 < = z < = 0.1, 0 < = n < = 0.05, 0.0023 < = e < = 0.023; a is Ca and / or Al, and m is the valence state of the A element. According to the positive electrode material, through doping and coating of the core layer, the stability of the core layer material, the coating material and the interface stability of the core layer material and the coating material are realized, particularly, the surface stability of the doped core layer is remarkably improved, and the capacity and the cycle performance under the condition of high voltage are improved. Meanwhile, the invention also provides a preparation method of the high-voltage-resistant sodium-ion battery positive electrode material.

The invention relates to the technical field of harmonic treatment of charging equipment, and discloses a charging pile filtering treatment device which comprises a filtering treatment device body, the bottom of the filtering treatment device body extends downwards to form a mounting cavity, a water cooling machine is arranged in the mounting cavity, and a cooling pipe of the water cooling machine extends into the filtering treatment device body. After being coiled in the water cooling pipe, the water cooling pipe penetrates out and flows back to the water cooling machine; the filtering treatment device comprises a filtering treatment device body, the outer wall of the filtering treatment device body is provided with a plurality of heat dissipation pipes communicated with the interior of the filtering treatment device body, and an outlet of each heat dissipation pipe is formed in the top of one end located in the filtering treatment device body and is perpendicular to an inlet formed in the corresponding heat dissipation pipe; the device can adapt to an outdoor installation environment, the probability that rainwater permeates into the device is avoided, efficient heat dissipation can be achieved, and the application reliability and effectiveness of the device in a new energy automobile charging pile scene are guaranteed.

The application belongs to the technical field of functional coating and specifically provides a black phosphorus heterojunction water-blocking and oxygen-blocking coating and a preparation method thereof, which comprises the following steps: 1) mixing chloroform and DMF, adding bulk BP for ultrasonic treatment, collecting supernatant by centrifugation, and drying to obtain BP nanosheets; dispersing the BP nanosheets into a mixture of ethanol, water and SDBS, adding ammonia hydroxide, HCHO and NiCl2 after stirring, and then performing a reaction by heating, collecting the solid by centrifugation, and washing to obtain a base material; 2) drying the base material, placing it into a sealed container containing silicone oil, and performing a reaction by heating; transferring it into chloroform containing 1,12-dodecylamine for a reaction; then transferring it into acetone for immersion, taking it out, blowing dry, and obtaining a barrier material; 3) transferring the barrier material to the surface of a substrate to obtain a coating. The coating prepared by the application can effectively block the erosion of oxygen and water molecules on the black phosphorus heterojunction, so that the black phosphorus heterojunction can maintain better infrared detection performance and stability.

The utility model relates to the technical field of alcohol recovery equipment, in particular to an alcohol recovery device which comprises a heating tank and a recovery tank arranged on the left side of the heating tank, a liquid inlet valve port and a controller are fixedly installed on the rear side of the heating tank respectively, a condenser is arranged on the top of the heating tank, a return pipe is arranged on the outer side of the condenser, and a liquid outlet valve port is arranged on the return pipe. A heating mechanism is arranged in the heating tank, a liquid outlet valve port and a nitrogen inlet are fixedly formed in the left end of the recycling tank, a pressure sensor is arranged on the rear side of the recycling tank, a lining layer is arranged in the recycling tank, and a PTFE composite layer, an aluminum foil layer and a polyvinyl alcohol composite layer are arranged in the lining layer. According to the alcohol recovery device, the structural design in the heating mechanism is utilized, and under the combination of the electric heating pipe and the heat conduction layer, generated heat can be uniformly conducted to the inner side of the heating tank, so that the heating time is effectively shortened, and the energy consumption of the device is prevented from being increased.

The utility model relates to the technical field of aging treatment and current detection, disclose a kind of aging treatment and current detection integrated equipment for automobile air conditioner fan motor, including feeding belt, stand, the outer wall of its feeding belt is fixedly connected with operation table, the outer wall of the operation table is fixedly connected with base, the surface of the base is fixedly connected with limit box, the inner wall of the limit box is provided with cylinder, one end of the cylinder is fixedly connected with connecting block, the outer wall of the connecting block is fixedly connected with rack, the rack is engagedly connected with gear at gear end, the inner wall of the gear is fixedly connected with transmission shaft, the outer wall of the base is fixedly connected with multiple support blocks, the inner wall of the rack is slidably connected with limit block. In the utility model, by the cooperation of electric grab, cylinder and connecting block and other structures, replace manual placement of motor to be detected, improve efficiency, reduce downtime frequency, to improve equipment reliability.

The utility model provides an air conditioning unit copper pipe fixing structure which comprises a middle frame cross beam, a middle frame supporting beam, a copper pipe fixing plate, a hoop and a connecting plate, the middle frame supporting beam is horizontally arranged and perpendicularly connected with the middle frame cross beam, the connecting plate is fixedly arranged at one end of the copper pipe fixing plate in the length direction, and the hoop is fixedly connected with the connecting plate in the length direction. According to the scheme, the cross beam is installed in a rooting mode from the unit middle frame structure, due to the fact that a space is formed between the unit middle frame and the copper pipe layout, the cross beam can be located at any position in a unit frame, and the cross beam can be installed in the middle frame through the copper pipe fixing plate. In this way, the copper pipe at any position can be flexibly fixed, and the flexibility is larger than that of a base rooting supporting plate. The copper pipe fixing plate can be fixed at any position on the cross beam, and the copper pipe is fixed on the copper pipe fixing plate through the hoop, so that the copper pipe is fixed by effectively utilizing the unit space.

The present invention discloses a compressed gas energy storage device based on a marine new energy power system, which includes a frame structure unit, a pressure-bearing variable volume unit, a drainage unit, a suspended platform unit, a compressor unit, and a turbine generator unit. This device is used for the energy storage part of the marine energy and new energy power system in the marine environment. It uses the approximate "constant temperature and constant pressure" characteristics of the middle and deep seawater to store the high-pressure gas energy storage device in the middle and deep sea. It participates in the regulation of the marine regional power grid to ensure the safety and stability of the power grid in the marine and island environments. The present invention is safe, reliable, and highly practical, and has good economic benefits and promotion value.

The utility model relates to the technical field of pressure detection, and discloses a differential pressure transducer, which comprises a shell, an installation groove is arranged in the shell, a first detection groove and a second detection groove are arranged in the installation groove, and a first gas transmission channel communicated with the first detection groove and a second gas transmission channel communicated with the second detection groove are arranged on the shell. The bottom of the PCB is provided with two MEMS chips, the bottom surface of the PCB is provided with a box dam at the periphery of each MEMS chip, and the box dam is provided with a third gas transmission channel; the PCB is installed in the installation groove, the two box dams are installed in the first detection groove and the second detection groove in a sealed mode through adhesive layers respectively, and gas input from the first gas transmission channel and the second gas transmission channel is input into the MEMS chip through the third gas transmission channel. When the pressure detection device is used, the two MEMS chips are arranged, and the two MEMS chips can detect the pressure at the two ends of the particle trap through the first gas transmission channel and the second gas transmission channel, so that the pressure detection can be more accurately carried out.

The utility model belongs to the road roller technical field, relates to a road roller convenient to adjust the steering angle range, including drive body, the drive body outside is provided with former road roller, former road roller outside top is provided with water tank subassembly, the utility model discloses the use of connecting assembly makes former road roller when carrying out compaction operation to work area, when facing narrow curve, ditch edge or large -scale barrier, the staff can adjust the angle of former road roller through the telescoping of hydraulic adjusting rod control, so that former road roller can as far as possible close to barrier or ditch edge, has reduced the interstice between former road roller and barrier, has reduced the work intensity that the subsequent staff carries out the processing to the uncompacted area, has further improved the practicality and reliability of device, in cooperation with the position of the cooperation groove of water tank outside and water tank, so that former road roller is more convenient when using, has increased the practicality of device.

The present application relates to hydrogen energy preparation technical field, specifically relates to a kind of porous transport layer for proton exchange membrane water electrolysis cell and its preparation method and application.The porous transport layer includes titanium matrix and composite coating, the composite coating includes Ta barrier layer, PtTa transition layer and Pt surface conductive layer in turn from matrix to outside.The present application adopts magnetron sputtering process to prepare the composite coating, with the characteristics of process parameter precision controllable, batch preparation repeatability excellent, can be widely applied to the surface modification of porous transport layer in proton exchange membrane water electrolysis device, effectively improve the overall performance and service life of electrolyzer.