330 results about "Adsorptive membrane" patented technology

The invention discloses a sewage heavy metal ion detection device, which belongs to the technical field of sewage detection, and comprises a sensor module and a microfluidic module, the sensor module comprises a Loff wave surface acoustic wave device, the Loff wave surface acoustic wave device comprises a resonance area and two Loff wave interdigital transducers, the resonance area is located between the two Loff wave interdigital transducers, and the resonance area is covered with a heavy metal ion adsorption film; the micro-fluidic module comprises a micro-channel system and a Rayleigh wave surface acoustic wave device, the micro-channel system comprises a dropwise adding tank, a micro-channel and a waste liquid tank which are communicated in sequence, the micro-channel is provided with an experimental area overlapped with the resonance area, and the Rayleigh wave surface acoustic wave device is used for driving sewage to move from the dropwise adding tank to the waste liquid tank. By combining a microfluidic technology and a surface acoustic wave technology, heavy metal ions, especially lead ions, in sewage can be rapidly, accurately and conveniently monitored.

The invention provides a purification technology for regenerated DMT in a chemical recovery process of waste polyester, which comprises the following steps: S1) mixing divalent metal salt, trivalent metal salt, an alkaline reagent and water, and carrying out vacuum drying on the reaction product to obtain a layered double-metal hydroxide precursor; s2) mixing the precursor with a solution containing functional anions, and carrying out vacuum drying on a product obtained after intercalation modification to obtain functional anion modified layered double hydroxide; s3) carrying out electrostatic self-assembly on the hydroxylated hexagonal boron nitride and the layered double-metal hydroxide, carrying out suction filtration on the obtained mixed solution on a carrier, and drying to obtain an adsorption film; s4, the waste polyester alcoholysis solution is adsorbed through the adsorption film.According to the pretreatment technology for purification of the waste polyester alcoholysis solution, the purified alcoholysis solution has higher purity, and meanwhile the difficulty of follow-up reduced pressure distillation purification of regenerated DMT is effectively reduced.

The invention relates to the field of heavy metal ion recovery, and discloses an organic covalent material and a preparation method thereof, and a composite adsorption film and a preparation method and application thereof. The method comprises the following steps: in the presence of an organic solvent, mixing 2, 5-diamino terephthalic acid and a hydroxyl-containing benzene-1, 3, 5-tricarboxaldehyde derivative for reaction to obtain the organic covalent material. The organic covalent material provided by the invention is compounded with chitosan to prepare a composite adsorption film, and the composite adsorption film can be used for adsorbing heavy metal ions in a water body, is high in heavy metal ion adsorption capacity, can be recycled, and has a relatively great application prospect in the field of heavy metal ion recovery.

The invention discloses a pickling and passivating process for stainless steel pipes and pipe fittings, which belongs to the technical field of pickling and passivating and comprises the following steps: removing oil stains on the stainless steel pipes and pipe fittings by using a degreasing agent; washing and cleaning the surface of the stainless steel pipe fitting; removing welding spots and high-temperature oxides on the surface of the stainless steel pipe fitting by using a pickling solution; removing a grey film and impurities on the surface of the stainless steel pipe fitting by using a release agent; forming a net-shaped chemical conversion film and a precipitation type adsorption film on the surface of the stainless steel pipe fitting by using a passivating agent; neutralizing and washing the stainless steel pipe fitting; forming a nano composite oxide film by using a dehydrating agent; and hot pure water washing is conducted on the stainless steel pipe fitting through heated pure water, and the final stainless steel pipe fitting is obtained. The method solves the problems that in the traditional pickling process, nitric acid, sulfuric acid and hydrochloric acid are used, acid mist is easily generated in the pickling process, the environment is polluted, waste liquid treatment is complex, and environmental protection requirements are not met.

The invention discloses a preparation method of chromium-free fingerprint-resistant liquid for an aluminized zinc plate, and relates to the technical field of metal surface treatment materials.The preparation method comprises the steps that a benzotriazole-cerium molybdate composite corrosion inhibition system is constructed, and multiple layers of adsorption films are formed through intermolecular pi-pi accumulation and rare earth ion coordination; meanwhile, a graphene oxide / nano silicon dioxide synergistic enhancement system is introduced, graphene sheet layers are directionally arranged to form a physical barrier, and micropores are filled with nano particles to improve compactness; and meanwhile, a lanthanide rare earth compound is adopted for modifying the flash-rust inhibitor, the stability of a passivation film on the metal surface is enhanced through the empty orbital characteristic of rare earth elements, the nanometer material gradient dispersion technology is combined with the ultrasonic-mechanical coupling dispersion technology, filler uniform distribution and interface bonding strengthening are achieved, and the fingerprint resistance, corrosion resistance and the like of the film layer are effectively guaranteed.

The invention discloses a cerium ion coordinated terpyridyl anticorrosive flame-retardant difunctional filler as well as a preparation method and application thereof. The structural formula of the cerium ion coordinated terpyridyl anticorrosive flame-retardant difunctional filler is # imgabs0. The corrosion-resistant flame-retardant EP material has corrosion-resistant and flame-retardant dual-functional characteristics, and the toughness of EP is improved by using a siloxane skeleton structure as a connecting agent; dOPO contains phosphorus, a phosphorus compound can be decomposed at high temperature to generate phosphorus oxides, the oxides can form a protective layer in flame, interaction between oxygen and combustible materials is reduced, and combustion reaction is slowed down or inhibited; pyridine can adsorb metal ions in a corrosive environment, so that an anti-corrosion effect is achieved; meanwhile, N atoms on a pyridine ring can generate N2 in the combustion process, so that the concentration of oxygen in the gas can be reduced, and an important role is played in the intumescent flame retardant process; ce < 3 + > and pyridine are coordinated to form a coordination compound, a compact adsorption film is formed on the surface of a matrix, and corrosion protection is provided; meanwhile, various micromolecular monomers can be combined to form a long-chain chelate, so that the performance of the filler is further improved.

Adsorptive membranes with sponge-like structures for direct recovery of lithium from geothermal brines and recycling of water from geothermal evaporation ponds are disclosed. The membrane surfaces are functionalized with task-specific chemicals capable of selective separation of lithium through host-guest complexation mechanism. The sponge-like structure provides high surface area resulting in an enhanced lithium adsorption capacity. The technology disclosed here aims to reduce the time required for lithium enrichment by evaporative concentration of geothermal brines and address the water loss problem thereof through enhanced solar-driven recycling of water.

The invention belongs to the technical field of porous adsorption membrane materials, and discloses a titanium lithium ion porous adsorption membrane material and a self-assembly preparation method and application thereof. The preparation method comprises the following steps: dissolving a film-forming polymer in a dispersion liquid containing MXene nanosheets to form a uniform precursor liquid; the MXene nanosheet is a transition metal carbide, nitride or carbonitride with a single-layer structure; dispersing a titanium-lithium composite oxide into the precursor solution to form a membrane casting solution; coating the membrane casting solution on a support body, and then performing phase inversion through pure water to obtain a matrix membrane; and placing the matrix membrane in a lithium eluent for immersion cleaning, replacing lithium ions in the matrix membrane, and carrying out a self-assembly reaction on the titanium-lithium composite oxide in the matrix membrane to obtain the titanium-based lithium ion porous adsorption membrane material. The MXene nanosheet and the polysulfone matrix membrane are innovatively introduced, the MXene nanosheet is fixed on the polysulfone matrix membrane to serve as an in-situ growth substrate of the titanium-lithium composite oxide, and the obtained membrane material has high adsorption capacity.

The utility model relates to a diaphragm cutting machine with a dust removal function, which comprises a rack, a cutting die is arranged on the rack, the cutting die comprises an upper die and a lower die, the upper die comprises a base plate and cutting dies, and at least one cutting die is arranged on the base plate; the substrate is provided with an ion air port and a negative pressure adsorption port; the plurality of negative pressure adsorption ports are distributed on the outer side of the cutting die and are used for adsorbing powdered scraps and other foreign matters generated during cutting of a diaphragm; and the ion air port is located on the outer side of the negative pressure adsorption port and used for blowing out ionized air to remove dust and static electricity on the diaphragm. By combining the design of the ion air port and the negative pressure adsorption port, static electricity and dust on a diaphragm and a machine can be effectively removed in the cutting process, so that the surface of the diaphragm is kept clean, and the product quality is improved.

Disclosed in the present invention are an acid-resistant noble metal ion adsorption film and a preparation method therefor. The preparation method comprises: a) pretreatment of a base film: firstly, cleaning and drying a silicon carbide substrate to obtain a clean film; then performing oxidation treatment on the clean film to obtain a micro-oxidation film; and finally, placing the micro-oxidation film in a strong acid solution for acidification treatment, to obtain a base film modified with a hydroxyl functional group; b) the growth of an MOF seed crystal: placing the obtained base film modified with the hydroxyl functional group into a seed crystal growth solution, and reacting at 110-130°C for 12-24 hours to obtain a film loaded with the MOF seed crystal; and c) MOF secondary growth: placing the prepared film loaded with the MOF seed crystal into a secondary growth solution, and reacting at 110-130°C for 20-30 hours to obtain the acid-resistant noble metal ion adsorption film. The adsorption film prepared according to the present invention has good acid resistance, and can achieve efficient and stable recovery of rare noble metals in a strong acid environment.

The invention relates to a large-size high-precision die bonder, and the die bonder comprises an operation table which is provided with a portal frame; the vacuum adsorption platform is longitudinally arranged on the operation table in a sliding mode, and the vacuum adsorption platform supports and adsorbs a film material; the supporting assemblies are arranged on the operation table corresponding to the two sides of the vacuum adsorption platform. The ejector pin assembly is arranged on the operation table; the plurality of die bonding assemblies are arranged on the portal frame, the die bonding assembly close to the vacuum adsorption platform is transversely arranged on the portal frame in a sliding mode, and the plurality of die bonding assemblies are matched to adsorb a wafer to a membrane material of the vacuum adsorption platform; and the dispensing assembly is mounted on the portal frame. According to the invention, the feeding and dispensing efficiency of the large-size film material wafer is improved, the high-efficiency die bonding of the large-size film material is realized, and the production efficiency is improved.

The application belongs to the technical field of porous adsorption membrane materials, and discloses a titanium lithium ion porous adsorption membrane material and a self-assembly preparation method and application thereof. The preparation method comprises the following steps: dissolving a film-forming polymer in a dispersion liquid containing MXene nanosheets to form a uniform precursor liquid; the MXene nanosheet is a carbide, nitride or carbonitride of a transition metal with a single-layer structure; dispersing a titanium lithium composite oxide in the precursor liquid to form a casting solution; coating the casting solution on a support, and then performing phase inversion by using pure water to obtain a matrix film; placing the matrix film in a lithium elution liquid for immersion washing, replacing lithium ions in the matrix film, and causing a self-assembly reaction of the titanium lithium composite oxide in the matrix film, so that the titanium lithium ion porous adsorption membrane material is obtained. The application innovatively introduces MXene nanosheets and a polysulfone matrix film, fixes the MXene nanosheets on the polysulfone matrix film as an in-situ growth substrate of the titanium lithium composite oxide, and the obtained membrane material has a high adsorption capacity.

The present invention discloses a diaphragm adsorption device, comprising a mounting seat, a shaping outer sleeve, a shaping inner sleeve, and a suction cup for adsorbing diaphragms. The mounting seat comprises a support plate and an air pipe fixedly connected to the upper side of the support plate. The shaping outer sleeve comprises a connecting seat and an extrusion sleeve. The connecting seat is provided with a mounting port, a sliding sleeve fixedly connected to the mounting port. The shaping inner sleeve comprises a pipe portion and a shaping portion. The pipe portion is connected to the air pipe, the pipe portion passes through the sliding sleeve and is slidably connected to the sliding sleeve. The lower side of the shaping portion forms an extrusion edge arranged around the suction cup. The height of the lower side of the extrusion edge is higher than the height of the lower side of the suction cup. The shaping portion is connected to the connecting seat via a spring. A first slide groove is formed in the pipe portion. A ejector pin is slidably connected in the first slide groove. The ejector pin is provided with an air passage running through the upper and lower ends of the ejector pin. The lower end of the ejector pin is located on the lower side of the suction cup. The present invention provides a diaphragm adsorption device, in which the diaphragm is not easily offset from the bottle mouth.

The invention provides a cleaning method for a silica gel adsorption film of a multi-zone semiconductor wafer, which comprises the following steps of: (1) after the silica gel adsorption film of the multi-zone semiconductor wafer is eluted, wiping and cleaning the back surface and the radial position of the silica gel adsorption film of the multi-zone semiconductor wafer; (2) wiping and cleaning the working surface of the silica gel adsorption film of the multi-region semiconductor wafer in the Archimedes parabola direction; and (3) carrying out first scrubbing, heating ultrasonic cleaning and second scrubbing on the multi-zone semiconductor wafer silica gel adsorption film in sequence to complete cleaning of the multi-zone semiconductor wafer silica gel adsorption film. According to the cleaning method, attachments such as particles and fibers adsorbed on the surface of the silica gel adsorption film can be effectively removed, the cleaning efficiency and quality of the multi-zone semiconductor wafer silica gel adsorption film can be improved, and the cleaning method is suitable for being widely popularized as a standardized cleaning step of the multi-zone semiconductor wafer silica gel adsorption film.

Disclosed herein are transition and / or heavy metal cation-capturing membranes constructed from zinc imidazole salicylaldoxime (ZIOS) nanosheets deposited on membrane supports, and methods of making and using such metal cation-capturing membranes. In a non-limiting embodiment, the membrane support comprises polyvinylidene fluoride (PVDF) membranes which have been modified with polydopamine (PDA) and polyethyleneimine (PEI). Three exemplary methods for fabricating the metal cation-capturing membranes include (1) in-solution hydrothermal growth, (2) vacuum-assisted coordination growth, and (3) interfacial coordination growth methods. The membranes may be tuned regarding textural properties and the adhesion of the ZIOS to the membrane support.

The utility model relates to the technical field of silicon wafer production, and provides a boat beating device, which comprises a support frame, the boat beating assembly comprises a first driving part and a boat beating part which are arranged on the supporting frame, the boat beating part is arranged on the first driving part, and the first driving part is used for driving the boat beating part to beat the graphite boat; and the dustproof assembly comprises a winding roller and a second driving piece which are arranged on the supporting frame, an adsorption film is wound on the winding roller, and the second driving piece is used for driving the winding roller to lay the adsorption film between the boat beating piece and the graphite boat. By arranging the dustproof assembly with the winding roller, the winding roller can move along with the graphite boat to lay the adsorption film between the boat beating piece and the graphite boat in advance, in the beating process, the adsorption film can isolate the boat beating piece and the graphite boat, and dust on the boat beating assembly is prevented from falling into the graphite boat; and in the flapping process, the adsorption film can adsorb dust on the surface of the graphite boat, so that the dust entering the graphite boat is effectively reduced.

Disclosed herein are transition and / or heavy metal cation-capturing membranes constructed from zinc imidazole salicylaldoxime (ZIOS) nanosheets deposited on membrane supports, and methods of making and using such metal cation-capturing membranes. In a non-limiting embodiment, the membrane support comprises polyvinylidene fluoride (PVDF) membranes which have been modified with polydopamine (PDA) and polyethyleneimine (PEI). Three exemplary methods for fabricating the metal cation-capturing membranes include (1) in-solution hydrothermal growth, (2) vacuum-assisted coordination growth, and (3) interfacial coordination growth methods. The membranes may be tuned regarding textural properties and the adhesion of the ZIOS to the membrane support.

The invention discloses a water-based anti-rust cooling liquid and a production process thereof, and the water-based anti-rust cooling liquid comprises the following components in parts by weight: 65-75 parts of deionized water, 10-20 parts of polyethylene glycol, 5-10 parts of propylene glycol, 3-7 parts of a modified organic anti-rust agent, 1-3 parts of an inorganic anti-rust agent, 3-5 parts of an oily lubricant, 0.5-1.5 parts of an extreme pressure lubricant, 0.1-0.3 part of a preservative, 0.5-1 part of a pH regulator and 0.05-0.15 part of an organic silicon defoamer. The invention relates to the technical field of cooling liquid production, the cooling liquid has excellent anti-rust performance, the formula of the cooling liquid contains the modified organic anti-rust agent and the inorganic anti-rust agent, the modified organic anti-rust agent forms a firm adsorption film on the metal surface through two modification reactions of oleic acid, and the anti-rust performance of the cooling liquid is improved. Oxygen and moisture are effectively prevented from being contacted with metal, and long-term anti-rust protection is provided.

The invention relates to the technical field of corrosion inhibitors, and discloses a high-temperature-resistant corrosion inhibitor and a preparation method thereof.The high-temperature-resistant corrosion inhibitor is obtained by adding boric acid modified chitosan, a triazinyl corrosion inhibitor and deionized water into a reactor and stirring. Lone pair electrons provided by a large number of free hydroxyl groups in chitosan in the boric acid modified chitosan can be well adsorbed with metal, so that the metal is prevented from being eroded by a corrosive medium; the boron element forms a protective oxidation film or adsorption film on the metal surface, so that the corrosion process is inhibited; and the ferrocene group in the corrosion inhibitor also has a relatively good corrosion inhibition effect. A quaternary ammonium salt group and a sulfonic acid group in the triazinyl corrosion inhibitor can prevent further corrosion of metal.

Disclosed in the present invention is a polishing device for improving edge grinding uniformity, the device comprising: a polishing head provided with a retaining ring; a porous disc located within the retaining ring; and a suction film wrapping the porous disc, and suctioning or releasing a wafer by means of an air bag assembly, an extension being provided on an outer ring of the porous disc, at least part of the extension being in limiting fit with the retaining ring and cooperating with an inner wall of the retaining ring to clamp the suction film, and an accommodating gap being formed on the periphery of the extension so as to provide a deformation space for the suction film. In the present invention, the extension is in limiting fit with the retaining ring, and when the polishing head rotates to conduct a planarization process, the wafer is still uniformly pressed against by the porous disc when the wafer undergoes slight displacement, thereby ensuring uniform polishing at an edge of the wafer; and the accommodating gap is formed on the periphery of the extension, and micro-area deformation or wrinkles of the suction film at an edge area can be within the accommodating gap, so that the edge-pressing force is more uniform during the polishing process, and thus the polishing uniformity at the edge of the wafer is improved.

The utility model discloses equipment for laying a PET (Polyethylene Terephthalate) film and a bus bar of a photovoltaic module. The assembly line comprises an assembly conveying line, a restoration module, a PET film feeding device arranged on one side of the assembly conveying line, a bus bar feeding device arranged on the other opposite side of the assembly conveying line, and an adhesive tape feeding device arranged at the conveying front end of the assembly conveying line. The carrying and welding device is used for carrying and pasting the bus bar and the adhesive tape on the assembly and welding the bus bar on the assembly; the carrying and welding device comprises a first material taking and pasting mechanism and a second material taking and pasting mechanism, the first material taking and pasting mechanism comprises a PET film adsorption assembly for adsorbing a PET film and a bus bar adsorption assembly for adsorbing a bus bar, and welding modules for welding the bus bar to the assemblies are arranged at the two ends of the bus bar adsorption assembly. According to the utility model, not only is the problem of deviation of the PET film and the bus bar solved, but also the space of equipment is saved, and the production efficiency of laying and welding is improved.

The invention mainly relates to the technical field of composite material preparation, in particular to a preparation method and application of a PVDF / MOFs / GO composite membrane, and the preparation method comprises the following steps: cleaning and drying a PVDF membrane for carboxylation treatment; then immersing the PVDF membrane into a sodium hydroxide solution to obtain a carboxylated PVDF membrane; adding GO into deionized water to obtain a solution A; co (NO3) 2.6 H2O is dissolved, and a solution B is obtained; adding the solution A into the solution B, and stirring to obtain a Co < 2 + > / GO mixed solution; and filtering to the surface of the carboxylated PVDF membrane in vacuum, and immersing into a 2-methylimidazole solution to obtain the PVDF / MOFs / GO composite membrane. The compact and uniform MOFs composite material layer rapidly grows on the surface of the polyvinylidene fluoride membrane to prepare the MOFs composite membrane, and the MOFs composite membrane is used as an adsorption membrane to adsorb and separate organic matters or natural products in water, so that wastewater purification and organic matter extraction are realized.

The invention provides a nitrogen-containing boric acid ester-nano hybrid composite anti-wear additive as well as a preparation method and application thereof, and belongs to the technical field of lubricating oil additives. The nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer are subjected to nano-scale hybrid compounding, and the nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer have a synergistic effect on four aspects of physical bearing, chemical adsorption, interface modification and extreme pressure enhancement; a multi-synergistic lubrication and protection system of an adsorption film, a physical isolation layer, an extreme pressure reaction layer and rolling lubrication microspheres is constructed, efficient wear resistance, friction reduction, bearing and stability improvement are jointly achieved, and the lubricating oil is suitable for insoluble base oil.

The invention belongs to the technical field of porous adsorption membrane materials, and discloses a manganese lithium ion porous adsorption membrane material and a preparation method and application thereof. The preparation method comprises the following steps: dispersing a carrier in an organic solvent, and then adding a film-forming polymer to form a uniform precursor solution; the carrier is carbide, nitride or carbonitride of two-dimensional layered transition metal; dispersing a manganese-lithium composite oxide into the precursor solution to form a membrane casting solution; coating the membrane casting solution on a support body, and then performing phase inversion through pure water to obtain a matrix membrane; and placing the matrix membrane in a lithium eluent for immersion cleaning, and replacing lithium ions in the matrix membrane to obtain the manganese-based lithium ion porous adsorption membrane material. The two-dimensional layered transition metal material not only increases the surface area and numerous adsorption sites, but also can become a connecting bridge between the manganese-lithium composite oxide and the film-forming polymer through hydrogen bonds, and the added hydrogen bonds can enhance Mn-O bond energy, so that dissolution of non-lithium metal is hindered.

The invention relates to a method for evaluating the influence of microplastics on the bio-availability of a herbicide under a freeze-thaw cycle condition and application of the method, the microplastics are added into soil polluted by the herbicide, and culture is carried out under the condition of four freeze-thaw cycle modes simulating the natural environment; a gradient diffusion thin film device is used for enriching the herbicide with bio-availability to an adsorption film in the device through diffusion; methanol is used as a solvent to extract a total amount of herbicide in the soil; and determining the biological effective concentration and the total concentration of the herbicide by using a liquid chromatography, calculating the effectiveness of the herbicide according to the ratio of the biological effective concentration to the total concentration, and evaluating the influence of the microplastics on the biological effectiveness of the herbicide under the freeze-thaw cycle.

The invention provides a preparation method of a TBBPA selective adsorption film. The method comprises the following steps: 1) synthesizing mesoporous silica nanoparticles; the invention discloses a TBBPA selective adsorption membrane and a preparation method thereof, the TBBPA selective adsorption membrane comprises the following steps of 1, TBBPA preparation, 2, base membrane synthesis and 3, blotting membrane synthesis, the TBBPA selective adsorption membrane is suitable for selective adsorption and separation of TBBPA from polluted water, through the design of blotting sites, TBBPA can be selectively adsorbed from analogues, and the TBBPA selective adsorption membrane has good application prospects in the field of selective separation of high-concentration TBBPA pollutants.

The invention provides a lignin ionic liquid composite material as well as a preparation method and application thereof. The lignin ionic liquid composite material is applied to the field of metal corrosion prevention. The preparation method of the composite material comprises the following steps: reacting benzotriazole with tetrabutylphosphorus hydroxide to obtain an ionic liquid, and dissolving lignin in the ionic liquid in a heating and stirring state to obtain the lignin ionic liquid composite material. Wherein the mass fraction of the lignin is 1-5% of the total mass of the lignin ionic liquid composite material. The lignin ionic liquid composite material provided by the invention is used as a corrosion inhibitor, and through the synergistic effect of lignin and ionic liquid, the stability and compactness of the composite material on a metal surface adsorption film are improved, so that the corrosion of metal is reduced.

The invention relates to a one-dosage type copper-molybdenum display etching solution and a preparation method and application thereof. The etching liquid comprises the following components in parts by weight: 5-15 parts of hydrogen peroxide; 10 to 15 parts of organic acid; 8-12 parts of an organic base; 0.008 to 0.07 part of a chelating agent; 0.002 to 0.07 part of a corrosion inhibitor; 0.04 to 0.3 part of a surfactant; 0.1 to 0.6 part of a hydrogen peroxide stabilizer; and 65-73 parts of ultrapure water. The chelating agent and the corrosion inhibitor in the etching solution are jointly adsorbed on the metal surface, the corrosion inhibitor and the chelating agent can form intermolecular hydrogen bonds to obtain a product with larger molecular volume, the product is adsorbed on the metal surface to generate a protective isolation layer, and meanwhile, the contained delocalized large pi bonds and nitrogen atoms can provide electron pairs for empty orbits of metal, so that the metal surface is protected. And coordination bonds are formed to be adsorbed on the metal surface to form a compact adsorption film, so that the corrosion of the metal is effectively inhibited, and the taper angle and the etching morphology of the etched metal are stabilized.

The invention relates to the technical field of preparation of acidizing corrosion inhibitors, and discloses a preparation system and method of an acidizing corrosion inhibitor, and the system comprises a raw material treatment module used for pretreating, metering and mixing a plurality of organic amine and aldehyde raw materials; the reaction synthesis module performs condensation reaction at preset temperature and pressure, and the reaction temperature is kept constant through the heat-conducting oil circulation system; the product separation and purification module comprises a centrifugal separator and a membrane filtration device and is used for realizing preliminary separation, washing and purification of a product; the performance detection module is used for detecting the corrosion inhibition rate, the iron ion concentration, the dynamic viscosity, the cloud point and the adsorption membrane potential on line; the central control module judges the product performance according to the detection result, and performs feedback regulation on the raw material ratio, the reaction temperature, the reaction duration or the purification pressure when the product does not reach the standard, so that the production process optimization and the product performance stability are realized, and the intelligent regulation and control and the performance stability in the production process of the acidizing corrosion inhibitor are effectively realized.