40results about How to "Realize online continuous production" patented technology

The invention discloses a method for promoting phase change strengthening and toughening of a two-phase titanium alloy strip by using pulse current. The method comprises the following steps: tensioning a TC4 titanium alloy strip through a decoiling device, a winding device, a roller and a support roller of a rolling mill, so that the strip is in tightly elastic contact with the roller; driving the strip to transmit at the speed of 150-800mm / min through friction force by virtue of the roller; inputting the pulse current into a power-up area section of the strip through the roller, the support roller and the like, wherein the pulse current generates a joule heating effect and a non-thermal effect in the power-up area section of the strip within 12-18 seconds, so that the internal microstructure of the strip turns into a two-phase long-axis structure or a two-phase dual-state structure from an original quasi-single phase thick equiaxed structure; and then cooling by natural air at room temperature. Through adjustment of parameters of the pulse current, the TC4 strip with the two-phase long-axis structure and the two-phase dual-state structure can be quickly obtained, thus the ductility is increased; the treatment temperature is far lower than 960 DEG C of a traditional thermal treatment process; the processing process of the titanium alloy strip can be finished without a short period of time at relatively low temperature without an oxidation phenomenon; and therefore, the method is energy-saving, environmentally friendly, safe and efficient.

The invention discloses an on-line dry-process glass wool vacuum insulation board core material production system, which includes a melting furnace, a centrifuge, a cotton collector and a hot-pressing setting device. The hot-press setting device adopts the upper and lower chain plates to form a pressing gap, and the glass wool is pressed in the pressing gap, and can be continuously hot-pressed during the transmission process. The present invention also provides a production method based on the above production system. Compared with the prior art, the invention realizes on-line continuous production, has high production efficiency, and the prepared glass wool core material has stable structure and good heat insulation effect.

The invention discloses an online dry-process production system of a glass wool vacuum insulation board core material, the online dry-process production system comprises a smelting furnace, a centrifuge, a cotton collecting machine, a heating furnace and a shaping device. The shaping device adopts upper and lower chain plates to cooperate to form a pressing gap. A glass wool layer heated by the heating furnace at high temperature is pressed in the pressing gap, and can be continuously hot-pressed in the process of transmission. The present invention also provides a production method based on the above production system. Compared with the prior art, online continuous production is realized, production efficiency is high, equipment cost is low, and the obtained glass wool core material has stable structure and good insulation effect.

The invention provides terahertz super-electric water, and a preparation method and application thereof. A specific method is adopted for preparing the terahertz super-electric water provided by the invention. The method comprises the following steps: electrifying and applying far infrared irradiation to the flowing water in which the plant raw material and the mineral substance raw material are simultaneously soaked, thereby obtaining the terahertz super-electric water. The method provided by the invention is simple in process; no complex preparation device is required; the flowing water is adopted for realizing online continuous production; and the terahertz super-electric water product can be collected from an outlet of the device. The terahertz super-electric water provided by the invention is a weak alkaline water extract, has various effects, has an obvious activating effect to the function of the human body, can not cause anaphylactic reaction, can be used for preparing external articles and internal articles in direct and / or indirect contact with the human body, can be used for killing unicellular organisms and viruses, and has an obvious effect.

The invention discloses an online dry method glass wool vacuum insulated panel core material production system. The system comprises a smelting furnace, a centrifuge, a wool collector and a hot-press shaping device. According to the hot-press shaping device, an upper chain plate and a lower chain plate are matched to form a press-fit interval, glass wool is pressed in the press-fit interval, and continuous hot-pressing can be carried out in the transmission process. The invention further provides a production method based on the production system. Compared with the prior art, online continuous production is achieved, production efficiency is high, and a manufactured glass wool core material is simple in structure and good in heat insulating effect.

The invention discloses a pattern rolling forming unit and a welded pipe production system with the same. The pattern rolling forming unit comprises a mounting rack, a first roller and a second roller which cooperate with each other are arranged on the mounting rack, the first roller is rotationally supported on the mounting rack, the second roller is connected with a sliding driving mechanism, and the first roller and the second roller are connected with a rotation driving mechanism for driving the first roller and the second roller to rotate respectively. The sliding driving mechanism is connected with a sliding control system used for controlling the sliding driving mechanism to act, so that under the control of the sliding control system, the sliding driving mechanism drives the second roller to apply adjustable intermittent rolling pressure on strips, and intermittent patterns with the adjustable depth are rolled on the strips. According to the pattern rolling forming unit, the lengths of an embossing section and a smooth surface section on the strips are adjustable, and the pattern depth of the embossing section is controllable, so that the tightness of expanded connection between a heat exchange tube prepared and formed by the strips and a tube plate in the later use process is ensured, and the problems of unqualified leakage inspection and the like existing in a continuous pattern welded tube are solved.

The invention discloses a method for strengthening and toughening magnesium alloy strips. Aiming at the problems of easy oxidation, coarse crystal grains, limited improvement of strength and plasticity, and high energy consumption in the traditional heat treatment process of magnesium alloys, the invention first uses electric pulses to treat magnesium alloys. The alloy strip is subjected to rapid solution treatment, and then processed by rolling, the primary cold-rolled strip is subjected to aging treatment, the aging-treated strip is subjected to secondary cold-rolling, and finally the secondary cold-rolled strip is subjected to electric pulse induction. Recrystallization treatment uses electric pulses to quickly refine the matrix grains and precipitated phases to hinder the growth of grains, so as to obtain a structure with fine and uniform matrix grains and a dispersed distribution of strengthening phases. Through the synergistic toughness of fine grains and precipitated phases Chemical reaction to prepare high-strength and high-toughness magnesium alloy strips. Compared with the magnesium alloy strip in the prior art, the strength and elongation after fracture of the magnesium alloy strip prepared by the process of the invention are respectively increased by more than 10% and 30%.

The invention relates to a continuous production line equipment of electrolytic phosphating for heat treatment of steel wire, which is composed of a wire unwinding device, a heat treatment system, a steel wire surface cleaning system, an electrolytic phosphating system and a wire take-up device arranged in sequence to form a continuous production line equipment. After the steel wire is heat-treated and surface-treated, the steel wire in the electrolytic phosphating solution is energized, the steel wire is used as the cathode, and the inert conductor is used as the anode, and a hydrolysis reaction occurs. Under alkaline conditions, zinc ions in the phosphating solution combine with phosphate ions Together, zinc phosphate crystals (Zn 3 (PO 4 ) 2 ), the electrolytic phosphating process controls the thickness of the phosphating film on the steel wire by controlling the current density of the steel wire, the phosphating speed is fast, and no phosphating slag is generated during the electrolytic phosphating process.

The invention discloses a surface strengthened transparent glass. The present invention is prepared through the following steps: (1) Use quartz sand, aluminum hydroxide, soda ash, magnesium oxide, calcium carbonate and sodium fluorosilicate as raw materials, mix the above raw materials evenly, and keep warm at 1480-1520°C for 2 (2) Cast the molten glass in a preheated heat-resistant cast iron mold, then keep it at 750-800°C for 20 minutes, and then cool it to 500-520°C at a rate of 2°C / min After annealing for 30 minutes, stop heating and cool to room temperature to obtain a glass with a crystal layer on the surface; (3) Polish the glass obtained in step (2) to remove the crystals on the surface to obtain a surface-strengthened transparent glass. The invention utilizes the glass melt to cool and spontaneously devitrify to induce surface strengthening to prepare surface-strengthened transparent glass, and the transparent glass has good surface-strengthening performance.

The invention relates to the technical field of metal plastic forming technology and equipment, and provides a tempering device for skew-rolled ball milling steel balls that can utilize waste heat, including a frame, a thermal insulation shell, and a ball storage unit; the ball storage unit is installed in the thermal insulation shell, Including ball storage cylinder, air inlet cylinder, air outlet cylinder, ball inlet track, ball outlet mechanism, conical cooling cylinder, and arc-shaped bottom plate; the conical cooling cylinder is installed in the center of the bottom of the ball storage cylinder, and the heat enters the conical The heat dissipation cylinder is evenly released in the ball storage cylinder; the steel balls enter the ball storage cylinder through the ball entry track, and are evenly distributed around the conical heat dissipation cylinder. After the tempering process is completed, they are discharged from the device through the ball discharge mechanism. The invention has a simple structure and is easy to manufacture, and the steel balls are convenient to enter and exit. The conical cooling tube releases heat evenly, increases the overall heating area of ​​the steel balls, and has a good tempering effect. .

The invention relates to a method for manufacturing a hydrophilic copper pipe, which comprises the steps of continuously conveying, straightening, coating an anticorrosive material, drying, cooling, coating a hydrophilic material, drying, cooling and completing manufacturing. A device for manufacturing the hydrophilic copper pipe comprises a loading disk, a receiving disk, a straightening roll, a bottom coating device and a surface coating device, wherein the straightening roll, the bottom coating device and the surface coating device are sequentially arranged between the loading disk and the receiving disk; the straightening roll is used for straightening a copper coil; the bottom coating device is used for coating the anticorrosive material on the copper coil; the surface coating device is used for coating the hydrophilic material on the copper coil; film reduction devices for controlling thicknesses of the coating materials are arranged on the bottom coating device and the surface coating device; and a drying device for drying the coating materials and a cooling device for cooling the coating materials are arranged behind the bottom coating device and the surface coating device. According to the invention, by designing an online continuous dual-drying dual-coating method, the produced hydrophilic copper pipe has a contact angle of less than 10 degrees and has excellent anticorrosion and hydrophilicity; and the method is low in investment, is easy to control the quality and is convenient to implement the industrial mass production.

The invention discloses a method for preparing a functional gradient titanium alloy strip. The method comprises the following steps: driving a raw material strip to move at a constant speed; electrically connecting a high energy pulse power supply with a moving strip by virtue of two immovable electric contact devices which are arranged along the strip moving direction at an interval, intermittently introducing high energy pulse current with the frequency of 60-760Hz, the voltage of 10-600V and the pulse width of 10-6000mu s into the strip, and performing high energy pulse treatment on the strip; cutting the treated strip, thereby obtaining the functional gradient titanium alloy strip. The invention also provides a functional gradient TC4 titanium alloy strip which is prepared from a TC4 titanium alloy strip with single mechanical property by adopting the preparation method, and the elasticity modulus of the strip continuously changes along the length direction of the strip. The preparation process is simple and low in cost, online continuous production can be realized, and an oxidation phenomenon on the strip surface is avoided in the preparation process. The titanium alloy strip does not cause the failure and breakage phenomena and is good in mechanical properties.

The invention discloses an online dry-process production system of a glass wool vacuum insulation board core material, the online dry-process production system comprises a smelting furnace, a centrifuge, a cotton collecting machine, a heating furnace and a shaping device. The shaping device adopts upper and lower chain plates to cooperate to form a pressing gap. A glass wool layer heated by the heating furnace at high temperature is pressed in the pressing gap, and can be continuously hot-pressed in the process of transmission. The present invention also provides a production method based on the above production system. Compared with the prior art, online continuous production is realized, production efficiency is high, equipment cost is low, and the obtained glass wool core material has stable structure and good insulation effect.

The invention discloses a method for strengthening and toughening non-ferrous metal materials. Aiming at the problems of easy oxidation, coarse crystal grains, limited improvement of strength and plasticity, and high energy consumption in the traditional heat treatment process of non-ferrous metal materials, the invention proposes the use of electric pulses to Non-ferrous metal materials are subjected to rapid solution treatment, and then formed once, then aging treatment is performed on the alloy formed once, and secondary forming is performed on the alloy after aging treatment, and finally electric pulse-induced recrystallization treatment is performed on the material formed twice. The characteristics of rapid pulse refinement of matrix grains and precipitated phases that hinder grain growth can be obtained to obtain a microstructure with fine, uniform matrix grains and dispersed strengthening phases. Through the synergistic strengthening and toughening effect of fine grains and precipitated phases, high strength and high Tough non-ferrous materials. Compared with the traditional heat treatment process, the strength and elongation after breaking of the non-ferrous metal material prepared by the process of the invention are respectively increased by more than 10% and more than 20%.

The invention discloses an electro-strengthening and toughening processing method of a belt material of AZ91 magnesium alloy and a system thereof. The electro-strengthening and toughening processing method comprises following steps: when the belt material of magnesium alloy is transmitted at a certain speed which is driven by a roller on an electro plastic rolling machine, high-energy impulse current that is output by an impulse power source through an electrode is input into an electriferous region section of the moving belt material of magnesium alloy, and the Joule heating effect and the non-heating effect are generated in the electriferous region section, thus causing the phase transition of internal microscopic constitution from bulky lath-shaped Beta-Mg17Al12 that are gathering and agglomerating in an initial state to Beta-Mg17Al12 particles that are evenly distributed and approximately sphere-shaped, or causing the solid solution effect that leads Beta-Mg17Al12 to be dissolved in a substrate; the processed belt material can be naturally air cooled at room temperature. The electro-strengthening and toughening processing method of the belt material of AZ91 magnesium alloy hasshort processing time and high production efficiency, and simultaneously avoids the high-temperature oxidation of the magnesium alloy. After the electro-strengthening and toughening processing, the microscopic constitution of the belt material of magnesium alloy can be remarkably improved, the unit extension of the microscopic constitution is increased from 11.8 percent in the initial aging stateto over 20 percent, and the tensile strength of the microscopic constitution is not dramatically lowered.