50results about How to "Reduce the chance of corrosion" patented technology

The invention relates to a heat-tracing type solar heat collecting tube. The heat-tracing type solar heat collecting tube comprises a transparent tube, a heat absorbing tube and a light reflecting film. The space between the transparent tube and the heat absorbing tube is vacuumized. The light reflecting film is further fixedly installed on the inner tube wall of the transparent tube. The transparent tube is rotatably installed on a machine body. The transparent tube is further coaxially sleeved with a transmission tube which is connected with the transparent tube through transmission gears. The axes of the transmission gears are parallel to the axis of the transparent tube, and the transmission gears are circumferentially and evenly distributed on the outer circumferential wall of the transparent tube at equal intervals. The transmission tube is further coaxially and fixedly sleeved with a heat tracing ring, and the outer ring wall of the heat tracing ring is made of heat absorbing materials. The heat tracing ring is closely filled with heat expansion balls. The heat collecting tube effectively improves the heat-absorbing surface and meanwhile can be kept directly facing sunlight in real time, and the utilization rate of solar energy is greatly increased.

The invention belongs to the technical field of lithium-ion cells, and particularly relates to an aluminum plastic membrane of a polymer lithium-ion power cell. The aluminum plastic membrane comprises an aluminum plastic membrane body and grooves formed in the aluminum plastic membrane body, wherein the grooves comprise a first groove and a second groove which is formed in parallel to the first groove; slopes are respectively arranged at one ends or both ends of the first groove and the second groove. According to the invention, an electric core is in better fit with the first groove and the second groove of the aluminum plastic membrane, the situation that the inner part of the aluminum plastic membrane is cut through due to the extrusion of an exposed part of the electric core is avoided, the risks of corrosion, protrusion and leakage of the inner part of the electric core are further reduced, and the quality and the appearance of the polymer lithium-ion power cell are ensured; in addition, the invention further discloses a shell punching method of the aluminum plastic membrane of the polymer lithium-ion power cell.

The invention discloses a glass fiber anchor rod and a construction method. The glass fiber anchor rod comprises an anchor head, a rod body, a stop-grouting plug and an anchor accessory, wherein one end of the rod body is connected with the anchor head, and the other end of the rod body is in sliding connection with the stop-grouting plug and the anchor accessory; the stop-grouting plug is located between the anchor head and the anchor accessory; the rod body is of a hollow structure and is made of glass fibers; and the rod body is provided with a plurality of openings, and the openings communicate with the hollow structure of the rod body. The method comprises the steps of drilling, hole cleaning, installation of the anchor rod, grouting, anchorage and the like. By the adoption of the glass fiber anchor rod and the construction method, the bearing capacity and the tensile capacity of the rod body can be improved advantageously, the construction cost is reduced, a whole installation hole and surrounding cracks can easily be densely filled, and overall strength is improved. By the adoption of the method, the filling effect of grout to surrounding rock cracks can be improved, the grouting compaction degree is increased, the probability of corrosion to the rod body is lowered, the service life is prolonged, construction efficiency is improved, and construction safety is improved.

The invention discloses a method for catalyzing a polymer with a multi-metallic catalyst to compound a carbon nano-tube in situ, which relates to a method for preparing nano-tubes. The method solves the problems of complicated process, low yield, high cost, equipment corrosion caused by taking halogen compounds as synergists and the like in the conventional preparation method of the nano-tubes. The method comprises the following steps of: 1, uniformly mixing polyolefin and the multi-metallic catalyst at the melting temperature of the polyolefin to obtain a mixture; and 2, feeding the mixture into a quartz tube, and performing pyrolysis or combustion to obtain the carbon nano-tube. The method has the advantages of simple process, high yield, low production cost and less corrosion to the equipment.

The invention relates to offshore wind power generation equipment with a damp-proof function. The equipment comprises a main body, a mounting base and a power generation mechanism, and further comprises a dehumidification mechanism and a salt mist removal mechanism, wherein the dehumidification mechanism comprises a connecting box, an air inlet pipe, an air outlet pipe, an air cylinder, a piston,an air rod, a movable plate, a spring, a driving component and a connecting pipe; the salt mist removal mechanism comprises a floating plate, a water suction pump, a water inlet pipe, a water outlet pipe, a second bearing, two control components and a plurality of nozzles. The offshore wind power generation equipment with the damp-proof function sprays clean water to the periphery of the equipmentthrough the salt mist removal mechanism, the salt mist removing function is achieved, and the equipment corrosion probability is reduced; and the function of dehumidifying the interior of the main body is achieved through the dehumidification mechanism, the probability that a power generator is damaged due to damp is reduced, and the safety of equipment is improved.

The invention relates to a substrate bonding process and a substrate module to be bonded, wherein a peripheral rubber frame is arranged on the surface of a substrate of the substrate module to be bonded, boxed rubber frames are arranged in the peripheral rubber frame, and the height of the boxed rubber frames is greater than the height of the peripheral rubber frame. The substrate bonding process includes the following steps that the peripheral rubber frame is arranged on the surface of a first substrate, the boxed rubber frames for sealing liquid crystal are arranged in the peripheral rubber frame, and the height of the boxed rubber frames is greater than the height of the peripheral rubber frame; the air between the first substrate and a second substrate is sucked off; the first substrate and the second substrate are preliminarily bonded; gas is filled in between the first substrate and the second substrate; the first substrate and the second substrate are further bonded. The technical scheme of the invention can prevent the liquid crystal in the boxes from impacting the boxed rubber frames to cause penetration, save process time and cost and decrease the probability that circuit wires and element switches are corroded by acid liquid.

The invention introduces a polyurethane anechoic tile product and a preparation method thereof. A thick plate of a polyurethane anechoic tile is prepared into a slabbed construction which is 40-60mm thick with a vocal tract hole structure and the size can be determined according to the size of a die. The tile can be prepared by simulating 10 times of the area of the existing acoustic tile, so that the single tile area of the anechoic tile is effectively improved, the joint of the anechoic tile is effectively reduced and the damage probability of the anechoic tile is effectively reduced. The polyurethane anechoic tile prepared by the preparation method realizes the material performance and the water acoustic absorption performance of the existing rubber anechoic tile and is technically probable of replacing original rubber anechoic tile. The tile is the invention which is suitable for the technical field of coating anechoic tiles outside ships and has an actual application value.

The invention relates to a charging pile with a dampproof function. The charging pile comprises a body and a charging gun and further comprises a drying mechanism and a rainproof mechanism. The rainproof mechanism comprises a sleeve ring, a driving assembly and a cover plate. The driving assembly comprises a motor, a rotary rod and a connecting rod, and the drying mechanism comprises a filtering screen, a power assembly, a rotary assembly, a connecting assembly, a connecting box, a piston, a movable plate, a fixed box, a feeding pipe, a discharging pipe, an output pipe, a limiting assembly and two first springs. According to the charging pile with the dampproof function, the interior of the body can be dried and dehumidified through the drying mechanism, and it is avoided that the interior of the body is too damp, and consequently the normal work of electronic elements in the body is influenced; and by means of the rainproof mechanism, the charging gun is covered, a rainproof functionis achieved, the probability that the charging gun is corroded by rainwater is reduced, and safety is improved.

The invention discloses a method for selecting the rotating direction of a trisector regenerative air preheater of a large power station boiler, aiming to solve the problems that the present rotating direction of the air preheater always causes the moisture condensation of the air preheater or the insufficient drying output power of a pulverization system. The invention is characterized in that when the problems of air preheater moisture condensation caused by season changes or insufficient output power of the pulverization system appear, a motor is reversely rotated to drive a rotor to reversely rotate; and when a heat transfer element rotates, the heat transfer element sequentially passes through a smoke flowing area, a primary air flowing area and a secondary air flowing area for raising the temperature of primary air, thereby the problems of moisture condensation of the air preheater or drying output power of the pulverization system, and the like are solved.

The invention belongs to the technical field of materials and particularly relates to a corrosion-resistant nano-graphene color-coated plate. The color-coated plate comprises a finishing coating, a primer coating, a first corrosion resisting layer, a substrate, a second corrosion resisting layer and a back coating which are arranged in a sequential-laminated manner, wherein the strength of graphene in the first corrosion resisting layer is matched with damage resistance of wax powder, so that the first corrosion resisting layer is high in hardness and dense in structure, intrusion of water andoxygen is effectively prevented, and the probability of corrosion of the substrate is lowered; talcum powder, the wax powder and titanium dioxide are matched with one another, so that the chemical stability of the first corrosion resisting layer is improved, and the occurrence of corrosion is reduced; methyl cellulose is matched with polyvinyl alcohol, thus, the second corrosion resisting layer is good in film forming property, the toughness is improved, and precipitated barium sulfate can be uniformly dispersed in the second corrosion resisting layer and is free of agglomeration. According to the nano-graphene color-coated plate provided by the invention, nano graphene is added into the first and second corrosion resisting layers, excellent mechanical properties, chemical stability and hydrophobicity of the graphene are fully utilized, and the global corrosion resistance of the color-coated plate is improved.

The invention discloses an explosion-proof source bottle for a diffusion furnace. The pressure in the explosion-proof source bottle can be detected to meet a set value or not timely by respectively installing a pressure sensor and a pressure relief branch on an air inlet pipeline and an air outlet pipeline of the explosion-proof source bottle, the opening of a decompression valve of the pressure relief branch can be controlled to depressurize timely by a pressure controller, therefore, the normal working pressure of a diffusion technique can be ensured, and the safety protection function can be realized.

The invention belongs to the technical field of metal rust protection, and particularly provides a metal preservative comprising silicone oil, glycerol, polyamide, sodium pyrophosphate, acetic acid, oil-soluble phenolic resin, aluminum sulfate, citric acid, zinc dialkyl dithiophosphate, deionized water, paraffin and peppermint oil. According to the metal preservative, through adding the paraffin and the peppermint oil, a paraffin film can be formed on a handrail; the reduction degree of the metal preservative can be judged through observation of the thickness of the paraffin film after use fora long time; the metal preservative is coated in time when the paraffin film is thinner, so that the corrosion possibility of the handrail is reduced; meanwhile, the paraffin plays a certain role inblockage of marine organisms carried by seawater onto the surface of the handrail; when the paraffin is corroded by the marine organisms, the paraffin enters the bodies of the marine organisms, and the paraffin is hard to digest in the marine organisms; the survival possibility of the marine organisms is reduced; and meanwhile, the entered peppermint oil plays a certain role in stimulation to themarine organisms, and the residual marine organisms are further reduced.

The invention discloses a cylindrical steel protection clamping device suitable for offshore ship transportation in the technical field of offshore transportation equipment. The cylindrical steel protection clamping device comprises a mounting plate, two sets of clamping blocks are symmetrically arranged on the outer wall of the top of the mounting plate, the vertical sections of the clamping blocks are in an arc shape, a mounting groove is formed in the outer wall of the top of the mounting plate, a screw rod is inserted into the right side of an inner cavity of the mounting groove, two setsof screw sleeves are connected to the outer wall of the screw rod in a sleeving mode, the outer walls of the tops of the screw sleeves are fixedly connected with the outer walls of the bottoms of theclamping blocks, and protection devices are uniformly arranged on the outer walls of the sides, close to each other, of the two sets of clamping blocks. According to the cylindrical steel protection clamping device, the protection devices are in contact with the outer wall of cylindrical steel, so that the contact area between the clamping blocks and the cylindrical steel is reduced, and the area,which may be damaged, of an anti-corrosion layer on the surface of the cylindrical steel is reduced; and through the stretching and retracting of telescopic springs and telescopic rods, the pressureof the clamping blocks on the surface of the cylindrical steel is reduced, the probability of damage to the anti-corrosion layer on the surface of the cylindrical steel is reduced, and the cylindricalsteel is protected.

The invention discloses a method for preparing disodium hydrogen phosphate from a glyphosate mother liquor by using an ECO technology, and belongs to the field of chemical engineering production. Themethod comprises the following steps: (1) adjusting the pH value of the glyphosate mother liquor, and adding the adjusted mother liquor into an MVR evaporator; (2) completely transferring the obtainedmaterial into a crystallization kettle, and carrying out normal pressure crystallization; (3) carrying out solid-liquid separation after the material is crystallized; (4) carrying out normal pressuredegradation in a catalytic degradation tower; (5) carrying out heat exchange on the degraded wastewater to cool the wastewater to room temperature, transferring the cooled wastewater into an extraction tank, carrying out cooling and crystallization, pumping the obtained crystallized extract into a two-in-one filter press, and filtering the crystallized extract; and (6) washing the filtered solidwith water two times, discharging the washed solid, and packaging the solid for sale. The MVR evaporator is used to carry out concentration, so the purity of the product is ensured; and the electrocatalytic oxidation technology is used to catalytically degrade the glyphosate wastewater, so the disodium hydrogen phosphate can be obtained, the phosphorus resource and the salt resource can be recovered, and the cost is saved.

The invention belongs to the technical field of diaphragm pumps, and discloses a double-diaphragm pump adjusting device. The double-diaphragm pump adjusting device comprises a pump body and two pump heads connected with the pump body; diaphragm sheets are arranged in the pump heads and connected with spring shafts; the spring shafts are arranged in the pump body, and the pump body is further internally provided with an eccentric shaft; the two pump heads communicate with each other through an upper connection pipe set and a lower connection pipe set; the pump body is provided with a rotary adjusting device body extending into the pump body, the rotary adjusting device body is connected with an adjusting cam, and the adjusting cam abuts against the spring shafts; and the rotary adjusting device body is a planetary gear adjusting device and comprises a rotary rod, a first gear is arranged on the rotary rod, a gear disc is arranged between the eccentric shaft and the first gear, the top of the gear disc is provided with a plurality of second gears engaged with the first gear, and the bottom of the gear disc is connected with the adjusting cam. According to the double-diaphragm pump adjusting device, the concept is ingenious, and the technical problem that in the prior art, generally, the flow of a double-diaphragm pump is adjusted by two pump heads separately, and the two pump heads cannot adjust the flow at the same time is solved.

The invention relates to the field of metallurgy, and discloses a pulverizing system with an external feeding function and a blast furnace blowing system. The pulverizing system comprises a pulverized coal manufacturing system, and an external supplying system for adding powder and particle materials from the outside into the pulverized coal manufacturing system. Gas which is separated from separation equipment of the external supplying system and contains a small amount of dust is exhausted after the dust is filtered through a filter device. The separation equipment directly conveys separated powder materials meeting blowing requirements into a pipeline or equipment on the downstream portion of a coal mill, and the powder materials are not ground repeatedly through the coal mill. In this way, the coal mill does not grind fine powder meeting the blowing requirements, energy consumption is reduced, and the grinding efficiency is improved. The external supplying system is further provided with a heating device, and the externally added materials are heated, so that the situations that the externally added materials are caked, and the liquidity is reduced are avoided. In addition, the externally supplying system adopts a sealed pneumatic conveying mode, water spraying dust suppression treatment is not needed, procedures are simplified, and equipment corrosion is relieved. The blast furnace blowing system comprises the pulverizing system and a coal powder injection tank.