297 results about "Titanium plate" patented technology

The invention relates to the technical field of nondestructive testing, and particularly discloses an automatic detection system and method based on a titanium plate welding part, and the method comprises the steps: obtaining an original physical field signal of a to-be-detected part under the excitation of a single energy field, and extracting a space energy attenuation gradient and time phase lag distribution through wavelet packet decomposition and Hilbert transform; constructing a dynamic propagation model for describing a signal propagation path evolution rule, and performing space-time registration and vector difference calculation with a preset ideal reference model to generate a difference evolution graph; high-dimensional topological feature mapping, density clustering and multi-scale persistence analysis are carried out on the atlas, and a stable abnormal mode caused by defects is identified and confirmed; and backtracking a dynamic evolution path of an abnormal mode, extracting defect core parameters, and completing three-dimensional positioning, type classification and security level evaluation in combination with process information.

The invention provides a titanium plate performance analysis method and system, and relates to the technical field of metal material detection.The method comprises the steps that an optical scanner is adopted to establish a three-dimensional structure on the surface of a titanium plate, and test areas are divided; synchronously acquiring stress, hardness and conductivity data of a test point by using a multi-probe collaborative detection device; constructing a dual-branch feature extraction network, wherein the dual-branch feature extraction network comprises a surface topography feature branch and a physical feature branch; performing statistical integration on the features in the test area, calculating distribution features and determining a weight coefficient; and generating a performance analysis result through feature fusion and a multi-task output layer, and finally determining the performance grade of the titanium plate. According to the method, deep fusion of morphology information and physical characteristics is realized, and the accuracy and reliability of titanium plate performance evaluation are improved.

The invention provides a preparation method of a porous copper foil with a regular polygonal hole array, which comprises the following steps of: grinding and polishing a titanium plate until the titanium plate is matte, punching holes with the regular polygonal hole array in the titanium plate by laser, finely trimming vertex angles of the regular polygonal holes by laser, and polishing and grinding the titanium plate to obtain the porous copper foil with the regular polygonal hole array. The method comprises the following steps: preparing a titanium plate, cleaning with pure water and alcohol to obtain a clean titanium plate, preparing a copper sulfate electrolyte, adding a proper amount of a brightener, a wetting agent and a high resistance agent into the electrolyte, mixing, pouring the mixed solution into an electrolytic bath, putting the clean titanium plate and a carbon plate into the electrolytic bath, and carrying out electrolytic foil generation by taking the titanium plate as a cathode and the carbon plate as an anode; and after foil generation is finished, the copper foil is stripped from the surface of the titanium plate, and the porous copper foil with the regular polygon holes is obtained. According to the method, the holes of the titanium plate are the regular polygon holes, and the vertex angles of the regular polygon holes are finely trimmed, so that the copper foil of the electrolytic raw foil is not easy to adhere to the titanium plate during stripping, and the production yield of the copper foil is further improved.

The invention relates to the technical field of titanium-steel composite plates, and particularly discloses a high-thermal-conductivity titanium-steel cold-rolled composite plate and a preparation method thereof.The preparation method comprises the steps that plasma etching treatment is conducted on a titanium plate, a TiB2-graphene heat conduction layer is arranged on the etched surface in a laser cladding mode, and an aluminum oxide whisker layer is deposited on a stainless steel plate through plasma electrolysis; the preparation method comprises the following steps: spraying nano-copper slurry on the surface of aluminum oxide whiskers, curing, carrying out composite rolling on a modified titanium plate and a stainless steel plate, and carrying out annealing and tempering treatment after rolling to obtain the high-thermal-conductivity titanium steel cold-rolled composite plate.

The invention belongs to the technical field of special alloy hot rolling, and particularly relates to a refined subsection cooling method and device for a titanium plate hot mill roller. Comprising the steps that S1, a temperature field distribution function of a roller during rolling and a temperature field distribution function of the surface of the roller during cooling are obtained; s2, a heat exchange coefficient distribution function of the heat exchange coefficient required by the roller in the axial direction of the roller is obtained; s3, a distribution function of the cooling water flow in the axial direction of the roller is obtained; s4, according to the distribution function of the cooling water flow in the axial direction of the roller, the roller is divided into a plurality of cooling sections in the axial direction of the roller, and different cooling sections correspond to different cooling water flow difference threshold values; and S5, a non-contact temperature sensor is arranged at the center position of each cooling section, an independent roller cooling mechanism is configured for each cooling section, and the flow of cooling water is adjusted. Independent cooling control over different cooling sections of the roller is achieved, and the plate shape quality of a titanium plate is improved.

The invention discloses a preparation method of a novel mixed metal oxide coating titanium electrode, and relates to the technical field of electrode preparation, the method comprises the following specific steps: titanium substrate pretreatment: a titanium plate is sequentially subjected to gradient polishing with 120-800-mesh abrasive paper, the polished titanium substrate is subjected to hydrochloric acid solution etching, argon plasma surface activation and drying treatment, and a titanium substrate is obtained; obtaining a clean substrate surface with proper roughness; through the low-temperature plasma treatment, pulsed bias magnetron sputtering and laser-induced atomic layer deposition (LA-ALD) combined technology, the binding force of the coating and the titanium substrate is remarkably improved, high-energy particles are used for bombarding the surface of the titanium substrate in the low-temperature plasma treatment, residual impurities are effectively removed, the surface roughness and active sites are increased, and the surface hardness of the titanium substrate is improved. In the pulsed bias magnetron sputtering process, the surface of the substrate is further cleaned through periodic ion bombardment, atomic diffusion and mixing between the coating and the substrate are promoted, a transition layer structure is formed, and therefore the binding force is greatly enhanced.

The invention relates to the technical field of intelligent manufacturing and supply chain management, in particular to an intelligent management system for titanium plate inventory and production plan collaboration. Comprises: a multi-source data fusion center for a supply chain management system to obtain operation data and generate a collaborative situation original data set; the situation quantitative analysis unit is used for receiving the collaborative situation original data set and generating a market agility demand score and an inventory liquidity current situation score; the collaborative conflict evaluation unit is used for calculating a collaborative conflict index and determining a collaborative conflict situation level; the evolution trend prediction unit is used for generating an evolution sequence of future collaborative conflict indexes; and a dynamic decision management unit for generating an immediate conversion policy in response to the collaborative conflict context level and generating a predictive inventory structure pre-configuration decision. According to the method, the accuracy and objectivity of decision making are remarkably improved, and enterprises can deeply insight into operation core contradictions.

The invention discloses an anode porous transmission layer for PEM water electrolysis hydrogen production and a preparation method of the anode porous transmission layer. The preparation method comprises the steps that firstly, a porous titanium plate and a titanium mesh are washed and dried after being subjected to acid pickling; secondly, absolute ethyl alcohol, polyvinyl butyral and titanium powder are evenly mixed to be prepared into slurry, and the slurry is sprayed to the two sides of the dried titanium mesh; and 3, stacking the porous titanium plate and the titanium mesh sprayed with the slurry, and forming metallurgical bonding through vacuum diffusion welding to obtain the anode porous transmission layer. The porous titanium plate and the titanium mesh are metallurgically bonded to prepare the anode porous transmission layer, the platinum plating amount is effectively reduced and the catalyst utilization rate is improved by regulating and controlling the thickness and the pore structure of the porous titanium plate and the plate-mesh stacking mode, and the gas-liquid transmission efficiency of the anode porous transmission layer is improved; and the anode porous transmission layer with strong mechanical support and high gas-liquid transmission efficiency is obtained, is suitable for PEM water electrolysis hydrogen production, and meets the development requirements of high efficiency and low cost of hydrogen production through renewable energy source and PEM water electrolysis coupling.

A plate for fixating bone, the plate comprising: a plurality of ribs defining a plurality of openings, wherein a first portion of the plurality of ribs define a lattice structure and a second portion of the plurality of ribs define at least four mounting holes. Another aspect of the present disclosure relates to a method for tailoring a plate for fixating bone. The method can include determining an initial design of the plate. The method can include analyzing radiation through the initial design. The method can include determining, based on analyzed radiation, if dosimetric characteristics are desirable. The method can include analyzing structural strength of the initial design. The method can include determining, based on the analyzed structural strength, if structural strength is sufficient.

The invention provides a production method for preventing longitudinal stripes on the surface of a titanium-steel composite plate, and relates to the field of titanium-steel composite plate manufacturing, which comprises the following steps: S1, raw material preparation: the sizes of a titanium middle plate and a steel billet are determined, the width of the titanium middle plate is equal to the width of a finished product + 50mm, the width of the steel billet is equal to the width of the titanium middle plate + the broadening amount + the width of a frame * 2, the broadening amount y is equal to 8.83 * ln (x)-4.4, and x is a compression ratio greater than or equal to 5; s2, the single face of the titanium middle plate is coated with an isolating agent with the particle size smaller than or equal to 10 micrometers; s3, assembling: reserving a broadening space between the titanium middle plate and the frame, welding a positioning block to fix the titanium plate, and vacuumizing to be less than or equal to 1 * 10Pa; s4, heating to 850 to 950 DEG C; s5, during rolling, accumulative deformation is smaller than or equal to 30%, the front single-pass deformation is smaller than or equal to 15%, and side pressure is not applied in the whole process; and S6, board splitting and cutting. By reserving the broadening space and controlling the initial deformation amount, longitudinal stripes are prevented from being formed by frame extrusion when the titanium plate extends, the milling process is omitted, the surface quality and the yield are improved, and the problem that longitudinal stripes are formed on the surface of the titanium plate due to frame extrusion caused by deformation difference of titanium steel during assembly rolling can be solved.

This invention provides an automatic rolling method for titanium plates suitable for hot rolling mills, comprising: S1, starting the system; S2, zeroing the mill; S3, setting rolling parameters according to the incoming plate material; S4, performing reversible rolling; S5, automatically detecting the thickness of the rolled plate to obtain the actual plate thickness A; S6, rolling the plate with a small reduction amount according to the actual plate thickness A and the target plate thickness B until the rolling target requirement is met; S7, slitting and blanking. This invention, on the one hand, enables more precise correction and adjustment of plate thickness, improving the accuracy of titanium plate thickness control, and also helps to improve the plate thickness correction efficiency and plate production efficiency. On the other hand, it enables automatic and accurate adjustment of the reduction amount according to the actual plate thickness, which helps to improve the automation level of the hot rolling mill, making the quality of the finished plate more stable and helping to maintain the consistency and continuity of good product quality.

The objective of the present disclosure is to provide a titanium plate with excellent shapeability, by virtue of which a greater amount of lower-purity scrap can be used, thus increasing the recycling rate. A titanium plate according to an aspect of the present disclosure has a plurality of protrusions formed on each of a pair of surfaces that oppose each other in the thickness direction, the plurality of protrusions having a maximum height Rz between 5 μm and 50 um inclusive and a maximum length in a plan view between 100 μm and 1000 μm inclusive, with a pitch of 1 mm or less between adjacent protrusions on each of the surfaces.

The invention relates to the technical field of preparation of multi-layer metal composite boards, in particular to a preparation method and application of a multi-layer metal composite board, which comprises the following steps: S1, material selection and edge cutting: selecting two layers of food-grade stainless steel boards and a layer of titanium board or aluminum board, cutting according to the required size after selection, and knurling one by one after cutting; s2, surface treatment; s3, modification treatment is conducted, specifically, the cleaned stainless steel plate is subjected to surface modification treatment, the components and the antibacterial effect of the surface of the stainless steel plate are changed, the surface modified stainless steel plate is obtained, and the surface modification treatment is surface nanocrystallization treatment; s4, stacking and assembling are conducted; s5, hot rolling compounding; s6, diffusion annealing; and S7, precise cold rolling. The antibacterial performance and the self-cleaning capability can be improved, and the uniformity and the stability of the material are improved; and high-precision forming and performance adjustment can be conducted on the material, the advantages of the material can be fully played, and a high-quality metal composite plate product is obtained.

The application discloses a design method of an integrated titanium plate assembly for assisting midfacial suture distraction external support traction, comprising the following steps: scanning a target object by a medical scanning device to obtain a three-dimensional model of the internal structure and tissue of the target object, wherein the three-dimensional model at least comprises independently displayable bone structure and dental tissue; performing bone analysis on the bone structure of the target object based on the three-dimensional model to obtain the weak point of the bone structure; obtaining the tooth root position of the dental tissue of the target object based on the three-dimensional model; selecting the shape and size of an integrated titanium plate assembly model based on the bone analysis result, and determining the fixed hole position of the integrated titanium plate assembly model based on the tooth root position; and generating an integrated titanium plate assembly three-dimensional model based on the shape, size and fixed hole position of the integrated titanium plate assembly model. According to the individual differences of patients, the integrated titanium plate assembly for assisting midfacial suture distraction external support traction is designed to be more suitable for patients, and the postoperative traction effect is improved.

The application relates to an improved method for the crystallizer cover plate of an electron beam cold bed smelting furnace, which measures the length of the crystallizer (without an overflow port), the thickness of the cover plate, selects a titanium plate with the same length as the crystallizer, the same thickness as the cover plate and a suitable width, and replaces part of the steel cover plate. In order to solve the connection problem between the titanium plate and the steel cover plate, a plurality of small-sized titanium plates are first bolted to the cover plate, and then the plurality of small-sized titanium plates are welded to the titanium plate replacing part of the steel cover plate, so that a part-titanium cover plate is formed. The application is simple to operate, easy to realize, and can solve the problem that hot spots hit the cover plate during the edge scanning process, so that the molten steel flows into the crystallizer.

The utility model discloses a belt loop titanium plate threading device, which belongs to the technical field of medical treatment, and comprises a plate clamp seat and a clamp seat, a plate clamp is fixedly arranged at the top of the plate clamp seat, a suture plate is arranged at the top of the plate clamp, a buckle is fixedly arranged at the top of the clamp seat, and a suture buckle is arranged at the top of the buckle. A measuring mechanism and a limiting column are arranged on the outer wall of one side of the clamping seat, the measuring mechanism comprises a limiting cylinder and a measuring column, the measuring column is arranged in the limiting cylinder, a measuring tangent plane is arranged on the measuring column, scale marks are arranged on the measuring tangent plane, and the clamping seat is arranged on the limiting column and the limiting cylinder in a sliding mode. Through the arrangement of the suction cup, the piston cylinder and the electric push rod, the whole device can be fixed, the situation that during an operation, the device moves due to too large force is avoided, and the stability of the device is effectively improved.

The present application belongs to the technical field of rare metal material modification, and particularly relates to a production method for refining coarse grains of a titanium material welding seam, selects TA1 titanium plate as a research object, processes an X-shaped groove on the titanium plate, adopts manual tungsten argon arc welding to perform multi-pass welding on the TA1 titanium plate, adopts multi-pass cold pressing to perform deformation treatment on the titanium plate after butt welding, and finally performs annealing heat treatment, so as to obtain a welding seam structure similar to a base material structure. The method is beneficial to refining grains in a welding seam area and a heat affected zone, and reducing differences between grains in each area of the welding seam and base material grains.

The application provides a titanium plate with a loop and a preparation method thereof, wherein the titanium plate with a loop comprises a titanium plate body, a wire ring, a traction wire and a loop turning wire, characterized in that the traction wire, the wire ring and the loop turning wire are sequentially and spacedly arranged along the length direction of the titanium plate body, and the structures of the traction wire and the loop turning wire are different. The application is advantageous in that the traction wire and the loop turning wire can be easily distinguished in actual use, and the traction wire and the loop turning wire can be distinguished without using multi-color patterns, so that multi-color raw materials do not need to be purchased, and the purchase and test costs are saved.

The utility model relates to the technical field of aluminum foil formation processing, and discloses a middle and high voltage resistant feed titanium plate for aluminum foil formation, which comprises an upper feed titanium plate and a lower feed titanium plate, the upper feed titanium plate and the lower feed titanium plate form a feed titanium plate body, an interlayer is arranged between the upper feed titanium plate and the lower feed titanium plate, and the middle and high voltage resistant feed titanium plate is arranged between the upper feed titanium plate and the lower feed titanium plate. A shielding layer is arranged on the feed titanium plate body, warps and wefts are arranged on the feed titanium plate body, the warps and the wefts form a titanium mesh, a long-edge clamping groove is formed in the side face of the long edge of the feed titanium plate body, a short-edge clamping groove is formed in the side face of the short edge of the feed titanium plate body, a long-edge clamping block is arranged in the long-edge clamping groove, and a short-edge clamping block is arranged in the short-edge clamping groove. A short side frame is fixed between the long side clamping blocks, a long side frame is fixed between the short side clamping blocks, and the long side frame and the short side frame form a retainer. According to the middle and high voltage resistant feed titanium plate for aluminum foil formation, the service life of the feed titanium plate can be prolonged through the titanium mesh, the capacity can be uniformly distributed through the shielding layer, and the use performance of the feed titanium plate is improved.

The invention discloses a 3D printing method for an osteogenesis technology and a personalized box-type titanium plate, and relates to the field of manufacturing of medical instruments, and the 3D printing method specifically comprises the following steps: S1, obtaining and preprocessing three-dimensional data of a jaw bone of a patient; s2, three-dimensional reconstruction and virtual repair of an ideal contour before bone defect; s3, digitally designing the personalized box type titanium plate; s4, the personalized box type titanium plate is manufactured through 3D printing; and S5, clinical application in an operation. According to the 3D printing method for the osteogenesis technology and the personalized box-type titanium plate, the personalized box-type titanium plate can be passively placed in place in an operation, that is, the shape of the personalized box-type titanium plate is naturally matched with a bone defect area, and an ideal bone arch outline can be perfectly recovered after the personalized box-type titanium plate is placed. The dependence on the personal skill of doctors is reduced, the operation result has predictability and repeatability, and the fixing stability of the box-type titanium plate is far better than that of a bone block because the box-type titanium plate is directly fixed on the residual healthy basal bone through the screws.

This invention provides a collaborative optimization method for titanium plate annealing process parameters using multi-agent reinforcement learning, belonging to the field of reinforcement learning technology. The method includes collecting and standardizing annealing process data, encoding process parameters through a multi-layer feature extraction network, and constructing a parameter coupling perception matrix to quantify the collaborative strength. A dual-branch encoding structure is used to extract single-parameter features and interaction features, and the fusion weights are dynamically adjusted based on the coupling perception matrix to complete the state collaborative representation. The collaborative representation is input into a constraint-aware policy network to generate adjustment decisions, which are then executed in a real-world scenario and feedback is collected. Based on the feedback, a reward value is calculated, and training samples are sampled with priority to construct a composite loss function. A gradient projection method is used to update the policy network parameters to within the process feasible region, achieving continuous optimization of the policy network.

The present invention discloses a titanium-steel composite plate structure for marine engineering and a preparation method thereof, belonging to the technical field of marine engineering materials. The composite plate comprises a titanium plate, a steel sheet, and a gradient functional layer arranged between the two. The gradient functional layer consists of a MOF-enriched layer on the titanium side, a composition-gradient transition layer, and a steel-side reinforcement layer. By performing nano-scale rough oxidation treatment on the surface of the titanium plate and constructing a nano-column array structure on the surface of the steel sheet, high-strength bonding of the heterogeneous metal interface and synergistic improvement of marine corrosion resistance are achieved. The preparation process adopts a gradient coating process of electrostatic spraying, aerosol jetting, and slit coating, combined with vacuum hot pressing bonding and cooling technology to prepare a titanium-steel composite plate for marine engineering.

This invention relates to the field of electrochemical polishing of cobalt-based alloys, specifically to an environmentally friendly electrochemical polishing solution and polishing method for a cobalt-chromium-tungsten-nickel alloy. The cobalt-based alloy has the following chemical element mass percentages: Cr: 15.0%–25.0%; W: 10.0%–20.0%; Ni: 0.0%–15.0%; the balance being Co and unavoidable impurities such as O, N, and H. The environmentally friendly polishing solution has the following chemical composition and molar percentages: ChCl: 0.5–2 mol / L; ethylene glycol: 0.7–1.0 L; ethanol: 0–0.3 L; glacial acetic acid: 0.1–0.3 L; and a small amount of citric acid as an additive. The electrochemical polishing uses the alloy as the anode and a U-shaped titanium plate as the cathode, with a voltage of 40–60 V and a current density of 0.5–2 A / cm². 2 The polishing temperature is room temperature. The advantage of this invention is that it uses an environmentally friendly electrolyte, which can polish the surface of cobalt-chromium-tungsten-nickel alloy, avoiding the pollution of traditional chromium oxide system and acidic electrolyte system, reducing the need for repeated cleaning processes, and improving the precision control of materials.

The utility model relates to the technical field of medical instruments, in particular to a positioning device for assisting reduction and fixing acromioclavicular dislocation, which comprises a base plate, an acromion end positioning plate is arranged at one end of the base plate, and a clavicle end positioning block is arranged at the other end of the base plate. Holes are formed in the acromion end positioning plate, acromion end fixing guide needle sleeves are fixedly connected to the positions corresponding to the holes, a plurality of holes are formed in the base plate, and a first coracoshoulder ligament fixing guide needle sleeve, a second coracoshoulder ligament fixing guide needle sleeve and a clavicle end guide needle fixing sleeve are fixedly connected to the positions corresponding to the holes respectively. The positioning device can achieve accurate positioning, damage to blood vessels, nerve tracts and surrounding tissues below the coracoid process is avoided, and operation bleeding is reduced. Due to the fact that the individualized bone tunnel is established, the position where the belt carrier titanium plate is placed is appropriate, the osteolysis phenomenon is reduced, and meanwhile the risk of coracoid fracture is reduced. According to the operation method adopting the positioning device, the operation difficulty is remarkably reduced, the operation time is shortened, and the learning curve of young physicians is reduced.

To obtain a vanadium sulfuric acid solution from vanadium pentoxide powder with high efficiency, without using a calcination furnace or reducing agent. [Solution] A cell stack comprising a plurality of unit cells, each comprising a positive electrode cell, an ion exchange membrane, a negative electrode cell, and a bipolar plate in order from the first end, wherein the bipolar plate comprises, in order from the first end, a negative electrode electrode which is a graphite molded plate containing 70% by mass or more of graphite and a positive electrode which is formed by coating a titanium plate with a platinum group metal oxide, and carbon felt is arranged in the negative electrode cell; a positive electrode tank connected to each of the positive electrode cells so as to be able to circulate fluid; a negative electrode tank connected to each of the negative electrode cells so as to be able to circulate fluid; and a reaction tank for reacting vanadium pentoxide powder with a vanadium sulfuric acid solution, is provided as an apparatus for producing a vanadium sulfuric acid solution for a vanadium redox flow battery.

The invention relates to the field of medical instruments, in particular to a device for adjusting the stress state of a titanium plate, and the device comprises a shell which is internally provided with a placing groove for placing the interior of the device along the length direction; the at least two adjusting rods are arranged in the shell in a penetrating manner; the moving assembly is arranged on the adjusting rod and meshed with the adjusting rod, the moving assembly can enable the adjusting rod to move in the length direction of the containing groove, and scale marks are arranged on the side, connected with the moving assembly, of the adjusting rod; the fixing piece is arranged at one end of the shell, and the fixing piece is used for enabling the shell to be connected with a patient joint; the thread hanging hooks are arranged at the ends of the adjusting rods, a knotted thread can be hung on the thread hanging hooks, and a sliding groove for the thread hanging hooks to slide is formed in the shell. It can be further guaranteed that the sutures on the two sides of the titanium plate with the stumbles are subjected to the same stress, and then the influence on an operation is reduced.

A first water inlet pipe of a first titanium plate heat exchanger of the system is connected with a water taking well, a first water outlet pipe of the first titanium plate heat exchanger is connected with a first water inlet pipe of a second titanium plate heat exchanger, and a first water outlet pipe of the second titanium plate heat exchanger is connected with a recharge well. The second water outlet pipe is connected with a first water inlet pipe of a steam type lithium bromide heat pump unit, a first water outlet pipe of the steam type lithium bromide heat pump unit is connected with a second water inlet pipe of a second titanium plate type heat exchanger, and the second water inlet pipe is connected with a heat supply network water return pipe and a heat supply pipe. A second water inlet pipe of the first titanium plate type heat exchanger is connected with a heat supply network water return pipe, a second water outlet pipe is connected with a heat supply pipe, a third water outlet pipe of the steam type lithium bromide heat pump unit is connected with a drain cooler, and the first titanium plate type heat exchanger is connected with the drain cooler. And waste heat is fully recovered.

The application discloses a method for avoiding intermetallic compound generation at the interface of a titanium-steel composite plate, which comprises the following steps: S1, decarburization annealing is performed on a steel plate so that a decarburization layer is formed on the surface of the steel plate to be compounded; S2, the surfaces to be compounded of the steel plate and a titanium plate are attached and the periphery is welded to form a first group of blanks; and S3, the first group of blanks is heat rolled after being kept at 800-880 DEG C, and then a titanium-steel composite plate without TiC, FeTi and Fe2Ti intermetallic compounds at the interface is obtained. The method can avoid intermetallic compound generation at the interface of the titanium-steel composite plate without adding an intermediate layer metal, and has the advantages of simple process, low production cost and easy industrial popularization.

The invention provides an electrochemical filtering device suitable for an electroactive membrane. The device mainly comprises a conductive titanium plate, a conductive titanium ring, a cross flow path and a device body made of an acrylic material. The device is low in cost and simple and convenient to design, one part of inflow water can flow through the membrane surface through the cross-flow path, the other part of inflow water directly flows out through the membrane, and filtering is achieved. In the electrochemical filtering device, the electroactive membrane can transmit electricity through the conductive titanium ring to serve as an anode, the conductive titanium plate serves as a cathode, and antibiotics are efficiently removed after an electric field is formed in an aqueous solution.

The present application relates to the technical field of cathode roller titanium ring preparation, and discloses a preparation method of a welded and formed cathode roller titanium ring, comprising the following method steps: step one: opening a groove at both ends of a TA1 titanium plate raw material, and butt jointing through a four-roll plate rolling machine; step two: using plasma automatic welding to weld a longitudinal seam under high-purity argon protection; step three: placing the welded and formed titanium ring into an electric heat treatment furnace for high-temperature homogenization heat treatment; step four: using a ring rolling machine to roll and deform the titanium ring after heat treatment, with a deformation amount of greater than or equal to 40%; step five: correcting the shape of the titanium ring after rolling, and performing overall recrystallization annealing heat treatment; and step six: after annealing, using a numerical control vertical lathe to perform turning processing on the inner wall of the titanium ring, and waiting for subsequent hot charging processes to be used. Compared with the spinning forming process commonly used in China at present, the process flow of the present application is short, the production efficiency is high, the axial and radial directions of the semi-finished titanium ring are fixed through one driving source, the operation is simple, and the manufacturing cost is lower.