19results about How to "Solving Corrosion Problems" patented technology

This invention relates to the field of water pollution purification, specifically to a process for purifying and recycling industrial wastewater. The process provided by this invention induces the in-situ crystallization and precipitation of calcium and magnesium ions, primarily in the form of aragonite-type calcium carbonate, by adding a crystal form regulator to the wastewater. This replaces the traditional precipitation method using precipitants, fundamentally preventing the generation of secondary sludge. Simultaneously, a quencher regulates the type and concentration of active free radicals within the system, achieving targeted degradation of organic matter while maximizing the retention of beneficial ions in the water, ensuring the corrosion inhibition performance of the recycled water. This invention features a simple operation, requires no mechanical structural modifications, and can be directly adapted to existing industrial water treatment systems. It effectively solves the problem of simultaneously addressing hardness removal and organic matter degradation in circulating water wastewater treatment, significantly improving the purification and recycling efficiency of wastewater. The treated effluent can be directly reused in industrial circulating water systems.

This invention relates to the field of fluid measurement technology, specifically a crude oil water content measurement device and method based on a GRU neural network model. The device includes a longitudinal five-electrode array sensor, a front-end signal processing and measurement circuit module, a microprocessor control module, and a temperature monitoring module. The longitudinal five-electrode array sensor is connected to the front-end signal processing and measurement circuit module, which is connected to the microprocessor control module. The microprocessor control module is connected to the temperature monitoring module, which is connected to the longitudinal five-electrode array sensor. This invention uses a microprocessor control module as the main controller and combines it with various conversion circuits to complete the measurement of signal excitation, phase content, and related flow velocities. It features low energy consumption, strong anti-interference capability, and a high degree of automation.

This invention discloses a corrosion-resistant water pump housing, comprising a pump housing, a button battery, a battery compartment, a current control module, and electrode strips. The pump housing has an outer surface and an internal cavity. The battery compartment holds at least one button battery. The current control module stably outputs current, driving the electrode strips to release electrons, forming cathodic protection and inhibiting corrosion on the pump housing surface. The battery compartment and sealing cover are designed to be waterproof, ensuring the battery and circuitry are protected from moisture or corrosive liquids. The current control module automatically adjusts the current output based on battery voltage changes, ensuring stable system operation. This invention, through stable current output and the cathodic protection of the electrode strips, effectively improves the corrosion resistance of the pump housing, extends the service life of the pump, and reduces maintenance frequency and costs.

This invention relates to a new energy battery cooler, belonging to the field of new energy vehicle battery cooling technology. The new energy battery cooler includes a battery base, a controller, a protective shell, and a battery pack. The controller and protective shell are fixedly installed on the top of the battery base, and the battery pack is disposed inside the protective shell. A cooling flow guiding mechanism is included, comprising a contact shell, a cooling component, and a heat-conducting component. The contact shell is fixedly installed on the outside of the battery pack. By setting a cooling flow guiding mechanism on the outside of the battery pack, a passive adaptive flow guiding function not found in traditional liquid cooling structures is achieved. A composite layer of shape memory alloy memory valves and phase change microgrids is introduced into the cooling channel. When the battery pack locally heats up, the phase change layer absorbs and diffuses heat, while the memory valves deform to expand the channel cross-section, causing the coolant to automatically increase flow to the hot spot area to enhance heat transfer. This dynamically adjusts the local cooling capacity and significantly improves temperature uniformity.

The invention discloses a waste gas combustion furnace for semiconductor production, which belongs to the technical field of semiconductor waste gas treatment, and comprises a furnace body, a combustion chamber arranged in a cavity of the furnace body, and a combustion chamber arranged in the cavity of the furnace body, the combustion engine is arranged in the combustion chamber and used for providing heat for the combustion chamber; the heat exchanger is arranged in the cavity of the furnace body, and the heat exchanger is provided with a cold side channel and a hot side channel; the waste gas inlet is formed in the furnace body and communicated with a cold side channel inlet of the heat exchanger; the waste gas outlet is formed in the furnace body and is communicated with a hot side channel outlet of the heat exchanger; a cold side channel outlet of the heat exchanger communicates with the air inlet side of the combustion chamber, and a hot side channel inlet of the heat exchanger communicates with the air outlet side of the combustion chamber. The waste heat utilization rate of the waste gas combustion furnace is increased, and the fuel consumption and the operation cost are reduced.

This invention relates to the field of glass curtain wall technology and proposes a glass curtain wall connection and fixing structure, including: a main shaft; a bushing fixedly connected to the surface of the main shaft, and multiple sets of connectors fixedly connected to the outer surface of the bushing; one side of each connector is provided with a connecting steel column, which is a hollow structure. An intelligent integrated solution of "adjustable clamping and fixing + dual-sensor monitoring + active dehumidification" is adopted, specifically as follows: Adjustable mechanical fixing: the glass curtain wall is clamped from both sides by a connecting screw and a fixing plate, with rubber pads buffering stress; rotating the screw adjusts the clamping force to adapt to glass of different thicknesses, achieving reliable installation; dual-dimensional real-time monitoring and early warning: sensor one monitors the threaded connection status of the fixing rod and the connecting steel column, and sensor two monitors the displacement and shaking of the glass unit. Once the detected value exceeds the limit, the corresponding warning light immediately illuminates, and the LED display screen simultaneously displays fault information, achieving accurate positioning and immediate early warning.

The application relates to the technical field of ship manufacturing, and discloses a ship rudder system structure and a ship rudder system structure assembling method. The structure comprises a rudder blade, a rudder sleeve, a rudder rod and two sealing plates; the rudder blade has a slotted surface and two opposite working surfaces, the slotted surface is concavely provided with a notch groove, the notch groove is communicated with two avoidance half grooves, the two avoidance half grooves are respectively communicated with the two working surfaces, the avoidance half groove is spaced apart from the end of the notch groove and is uniformly provided with a plurality of lug plates, the lug plate is penetrated with a first through hole; each sealing plate is installed in one avoidance half groove, the edge of the sealing plate is penetrated with a second through hole; a through-hole bolt is penetrated through the second through hole and is screwed in the first through hole, the bolt head of the through-hole bolt is penetrated with a bolt through hole, a flexible wire is penetrated in the bolt through hole, and the two adjacent through-hole bolts are fixedly connected through the flexible wire; the rudder sleeve is inserted in the notch groove; and the rudder rod is penetrated through the rudder sleeve and a positioning pipe in the notch groove. The structure improves the connection mode of the sealing plate and the rudder blade, and reduces the dismounting difficulty of the sealing plate.

This utility model discloses a three-section structure for the lower mold of a wheel hub mold, including: a lower mold for the wheel hub, a lower mold section body provided on the inner cavity of the lower mold through a mold base, a lower mold section water-cooling insert for the lower mold section body which is fixed with bolts for disassembly and replacement, and a lower mold section cold water insert for the lower mold section which is fixed with screws for disassembly and replacement. Through the independent water-cooling structure of the lower mold section cold water insert, the cooling efficiency of the original weak heat dissipation area can be enhanced, the local temperature can be reduced quickly, and the segmented water cooling makes the temperature distribution of each area more balanced, reducing the thermal deformation of the mold caused by temperature difference and improving the quality of wheel hub forming. The lower mold section two and three both adopt the insert structure fixed with bolts / screws. When a certain section or the easily corroded third section is worn or corroded, it is not necessary to disassemble or replace the entire lower mold, but only to replace the corresponding insert, which greatly reduces maintenance costs and downtime.

A direct-fired incineration system for maleic anhydride plant tail gas, relating to the field of environmentally friendly chemical waste treatment, includes a three-stage incinerator, an ultra-high pressure waste heat boiler, a tail gas preheater, and a chimney. The three-stage incinerator comprises a high-temperature combustion section, a high-temperature oxidation section, and an ultra-clean oxidation section connected sequentially. The outlet of the ultra-clean oxidation section, the flue gas passage of the ultra-high pressure waste heat boiler, the tail gas preheater, and the chimney are connected sequentially. A main burner and an auxiliary burner are located at the top of the high-temperature combustion section. Preheated tail gas flows out of the tail gas outlet of the tail gas preheater and is divided into a first tail gas path, a second tail gas path, and a third tail gas path. The first tail gas path is connected to the high-temperature combustion section, the second tail gas path is connected to the high-temperature oxidation section, and the third tail gas path is connected to the ultra-clean oxidation section. This system enables tail gas incineration treatment of maleic anhydride plants using the n-butane process and hydrogen cyanide plants. The incineration system is highly efficient and energy-saving, eliminating the need for SNCR or SCR denitrification devices and ensuring low nitrogen emissions from the flue gas.

The present application relates to the technical field of electro-synthesis of hydrogen peroxide, and particularly relates to a tungstate nanomaterial, a preparation method thereof and application of the tungstate nanomaterial in electro-synthesis of hydrogen peroxide. The tungstate nanomaterial provided by the present application can be directly used as a catalyst, and the active component of the catalyst is a transition metal tungstate nanomaterial. The catalyst has stable structure, no carbon active center, avoids carbon corrosion problem and has excellent electrochemical stability. The tungstate nanomaterial provided by the present application has H2O2 selectivity of more than 83% in an alkaline medium, and the H2O2 selectivity does not attenuate after 20000 cycles of cyclic voltammetry test. The catalyst is one of the catalysts with the best performance in electrochemical oxygen reduction synthesis of H2O2 in an alkaline medium. The tungstate nanomaterial provided by the present application has advantages of excellent stability, high H2O2 selectivity and low cost when used as a catalyst in electrochemical oxygen reduction synthesis of H2O2, and has important significance for promoting the development of electrochemical oxygen reduction synthesis of H2O2.

The utility model relates to gate coating technical field, and disclose a kind of gate stain-resistant anticorrosive bionic nano coating structure, comprising: gate substrate, its outer surface is equipped with coating part, coating part is from inside to outside in turn base layer, primer, intermediate coating, functional layer and nano anticorrosive coating, base layer is treated by sand throwing, can increase gate substrate surface roughness, improve the bonding force with subsequent primer, ensure that coating adheres firmly;Primer uses polyurethane cloud iron labyrinth rust-proof technology, utilize labyrinth structure to prolong the penetration path of corrosive medium, enhance rust protection;Intermediate coating is inorganic silica-alumina ceramic coating, with excellent chemical stability and wear resistance, can further block outside corrosive medium invasion, improve overall protection performance;Functional layer and nano anticorrosive coating use nano bionic lotus leaf hydrophobic layer, with water-repellent effect, reduce moisture adhesion by virtue of superhydrophobic characteristics, reduce stain adhesion ability.

The utility model relates to protective cover technical field discloses a new energy BDU module shell quick -plug protective cover structure, include: mounting panel, fixed in BDU module shell, be provided with slope mounting seat on the mounting panel, be equipped with interface boss on the slope mounting seat, be located in the slope area of slope mounting seat, overturn seat, be located in the side portion of slope mounting seat, be provided with protective cover in overturn seat, the hinge joint of protective cover through pin shaft and overturn seat, can rotate around pin shaft to cover or expose interface boss, seal rubber pad, inlay in the inboard of protective cover. The structure of setting up slope mounting seat and overturn seat makes protective cover can install and disassemble fast, has improved the operation convenience greatly, has reduced the difficulty of maintenance and replacement. At the same time, the inclination design of slope mounting seat not only is convenient for drainage, prevents the corrosion problem caused by ponding, also has optimized the operation space, makes the operator also can easily carry out the open -close operation of protective cover in the limited space.

This application provides an anti-corrosion coating, cookware, and a method for manufacturing the cookware. The anti-corrosion particles, by weight percentage, comprise: 50% ≤ silicon dioxide ≤ 75%, 15% ≤ aluminum oxide ≤ 30%, 0.1% ≤ potassium oxide ≤ 2%, 0.1% ≤ sodium oxide ≤ 2%, 1% ≤ calcium oxide ≤ 10%, 0.5% ≤ magnesium oxide ≤ 3%, 0.2% ≤ titanium oxide ≤ 1.3%, and 5% ≤ iron oxide + ferrous oxide ≤ 10%. Cookware with an anti-corrosion coating exhibiting good corrosion resistance can be obtained according to the anti-corrosion particles of this application.

The present application provides a kind of tank container, including tank body and heating structure arranged on the bottom of tank body;Heating structure includes: a plurality of heating jacket, along the longitudinal direction of tank body interval arrangement;Each heating jacket extends along the circumference of tank body to cover on tank body, and heating jacket includes two opposite overlapping and welded together plate, two plate is through pressure double face inflation and thus forms hollow sandwich;Connecting pipeline, for heating medium flow in;Connecting pipeline extends along the longitudinal direction of tank body, and respectively with each heating jacket sandwich connection pass through.The length of plate is longer compared with traditional heating pipe, in addition, plate will not be limited by width, therefore, heating area can easily increase to achieve the desired good heating effect.Due to the existence of sandwich, avoid the contact of heating medium and tank outer wall, and then solve the corrosion problem of heating medium for tank wall, prolong the service life of tank box.

The utility model belongs to the field of ocean surveying and mapping technology especially relates to a frame for nearshore fixed self -contained tide gauge, include: frame main part, be provided with the float ball for marking instrument position on the frame main part, the frame main part is pyramid structure, just the fixed piece for reinforcing frame main part is arranged every side's inner perimeter of frame main part, the inner chamber bottom of frame main part is fixedly connected with the sleeve for installing tide gauge, the bottom of frame main part is provided with the counterweight of preventing frame main part position, compared with prior art, the utility model has improved the structural strength and anti -deformation ability of frame main part, makes it can resist the impact of nearshore wind and current, ensures that is not easy to be damaged under the harsh environment, avoids the corrosion problem caused by traditional bolt direct contact with seawater, prolongs the service life of equipment.

This invention discloses a spray gun and a cold spraying device incorporating the spray gun. The spray gun includes a spray gun body, a nozzle, a powder channel, a filter assembly, an air purifier, and a cooling structure. The nozzle is connected to one end of the spray gun body. The powder channel is disposed within the spray gun body, with one end connected to the nozzle and the other end having a powder inlet. The filter assembly is installed at the powder inlet. The air purifier is located at one end of the spray gun body and is sealed and connected to the powder channel. The cooling structure is integrated inside the spray gun body and fits snugly against the powder channel. The spray gun and cold spraying device of this invention effectively remove impurities from powder and air through the dual purification effects of the spray gun filter assembly and the air purifier. Simultaneously, the circulating cooling function of the cooling structure precisely controls the operating temperature of the spray gun, significantly extending the service life of the spray gun and equipment and ensuring long-term stable operation of the equipment.

This invention relates to the field of fuel cell catalytic materials technology, specifically to a Pt anti-reverse electrode catalyst supported on molybdenum-ruthenium oxide for fuel cell anodes and its preparation method. The catalyst uses molybdenum-ruthenium oxide with a loose, porous structure as a support, and highly dispersed Pt nanoparticles as the active component, wherein Ru (Ru) serves as the active site for the oxygen evolution reaction (OER) under reverse electrode conditions. The method first utilizes a glucose blowing method and urea pyrolysis process to prepare a nitrogen-doped molybdenum-ruthenium oxide support through two-stage heat treatment under an oxidizing atmosphere. Subsequently, Pt nanoparticles are uniformly loaded onto the support surface using a polyol reduction method under an alkaline environment and an inert atmosphere. This invention utilizes the unique support structure and the OER activity of Ru to efficiently catalyze the OER reaction during anode reverse electrode conditions, suppressing excessive anode potential rise, thereby avoiding carbon support corrosion, protecting the integrity of the catalyst layer structure, and improving the durability and service life of proton exchange membrane fuel cells.

This application belongs to the field of chemical equipment technology and discloses a double-lined reactor, including a reactor body and a venturi tube. The reactor body includes an outer steel component, a PTFE layer, and a perforated plate. The outer steel component, PTFE layer, and perforated plate are arranged in parallel. The perforated plate is fixedly connected to the inner side of the outer steel component, and the PTFE layer is fixedly connected to the side of the perforated plate away from the outer steel component. A sandwich space is formed between the PTFE layer and the outer steel component, and the PTFE layer is the reaction space for the materials. The feed section and discharge section of the venturi tube are respectively connected to the reaction space, and the throat of the venturi tube is connected to the sandwich space. The reactor using a double-lined structure instead of a Hastelloy reactor and introducing a venturi tube can, on the one hand, utilize the jetting effect of the venturi tube to ensure thorough mixing of materials, which is beneficial to improving the reaction effect; on the other hand, the negative pressure generated by the venturi tube during operation can extract the gas that has permeated into the sandwich space, reducing the possibility of bulging inside the reactor and increasing the service life of the reactor, without the need for an additional vacuum system.