33results about How to "Flexible production organization" patented technology

The production method of sheet billet conticasting tandem-rolling coil sheet is characterized by that said invention adopts the following technical measures: using conticasting machine and making pulling rate of casting blank low, and making the blank material have reasonable section; compactly arranging conticasting machine and heating furnace, making the conticasting blank output roller conveyer and inlet roller conveyer of heating furnace have double purpose, making inlet temp. of casting blank be above 900 deg.C; adopting double furnace and hating; and adopting small-cross charging and tapping process; two-high reversing rougher for three passes, four-high reversing rougher for one pass; and adopting thermal coiler box process of workpiece so as to raise coil sheet quality and reduce its production cost.

The invention belongs to the technical field of metallurgy, and particularly relates to a suspension roasting device and technology for producing multiform aluminum oxide. The device is composed of a feeding system, a roasting system, a crystal separation system and a cyclone dust removal system, wherein the feeding system comprises a quantitative feeder, a spiral feeder and a drier, the roasting system comprises a cyclone preheater, a roasting furnace and a burning station, the crystal separation system comprises a cyclone separator, a crystallizer, a controllable material level valve, a cyclone cooler and a drying cooler, and the cyclone dust removal system comprises a dust remover, an induced draught fan and a chimney. During working, an aluminum hydroxide filter cake serves as the raw material, the roasting temperature of the roasting furnace and the time for materials staying in the crystallizer are adjusted according to different requirements of multiform aluminum oxide products, and finally obtained different aluminum oxide products are discharged out of the drying cooler. According to the device and technology, metallurgical aluminum oxide and high-temperature aluminum oxide are produced at the same time with one set of device and the same kind of material by adjusting operating parameters.

The invention relates to a sheet billet continuous casting and rolling production line and a production process thereof, and belongs to the technical field of sheet billet continuous casting and rolling. According to the technical scheme, the sheet billet continuous casting and rolling production line comprises a continuous casting machine (1), a 1#pendulum shear (3-1), a 1#tunnel type heating furnace (9-1), a 1#descaler (7-1), a roughing mill group (10), a 2#pendulum shear (3-2), a billet picking device (4), a 2#tunnel type heating furnace (9-2), a 2#descaler (7-2), a finishing mill group (11), a laminar cooling (18), a flying shear (19) and a reeling-up machine set (20) which are arranged in sequence according to a rolling sequence. When the continuous casting speed of the continuous casting machine (1) is less than 5m/min, single block rolling or semi-endless rolling is adopted; and when the continuous casting speed of the continuous casting machine (1) is greater than or equal to 5m/min, endless rolling is adopted. The sheet billet continuous casting and rolling production line and the production process thereof have the beneficial effects that the temperature uniformity and the surface quality of a casting blank can be ensured, and different rolling modes can be adopted according to the continuous casting speed of the continuous casting machine.

The invention relates to an air-conditioning indoor unit and a drain pipe connecting structure thereof. The drain pipe connecting structure comprises a water pan and a drain pipe. A water outlet is formed in the water pan. An end of the drain pipe is connected with a water outlet through a pipe connector. The pipe connector comprises a clamping portion and a connecting portion. The clamping portion is fixedly clamped to a water outlet of the water pan. The connecting portion is connected with the drain pipe in a sealing manner. The drain pipe connecting structure is simple, and two ends of the pipe connector are fixedly connected with a mounting seat and the drain pipe respectively so as to mount the drain pipe. In this way, mounting steps are simplified, production efficiency is improved, and production organization is convenient and flexible.

The invention discloses a united-cylinder dyeing method and a dyeing device adopting the same. The united-cylinder dyeing method comprises the following steps: a cylinder cloth is arranged respectively in a first cylinder body and a second cylinder body, and all outlets of the first cylinder body and all outlets of the second cylinder body are closed; dyeing fluid is pumped into the first cylinder body for dyeing, and after dyeing, the dyeing fluid in the first cylinder body is pumped into the second cylinder body for dyeing; after dyeing, the dyeing fluid in the second cylinder body is pumped into the first cylinder body for dyeing the cylinder cloth in the first cylinder body, and the cycle continues. A united-cylinder dyeing device comprises the first cylinder body and the second cylinder body, and a control valve is connected in series between the top of the first cylinder body and the top of the second cylinder body; the first cylinder body and the second cylinder body are provided with water inlets and water outlets, and a control valve and a dyeing fluid main pump are connected in series between the first cylinder body and the second cylinder body. The united-cylinder dyeing device is capable of ensuring the dyeing quality of products, improving production efficiency and reducing investment.

The invention relates to a manufacturing method for low-alloy super-thick steel plates with excellent low-temperature toughness. The method comprises the steps of raw material blank preparation, blankcutting, milling and cleaning, vacuum girth welding compounding, blank heating and rolling, super-thick steel plate heat treatment and the like. The thickness of one obtained extra-thick steel plateranges from 100 millimeters to 260 millimeters, the obtained super-thick steel plate has the yield strength ReH of 325MPa or above, the tensile strength Rm of 450MPa or above, the elongation of 21% orabove, the minus 20 DEG C side knock absorbed energy KV2 of 120J or above, the minus 40 DEG C side knock absorbed energy of 100J or above, and the minus 60 DEG C side knock absorbed energy of 60J orabove. The manufacturing method for the low-alloy super-thick steel plates with excellent low-temperature toughness has the advantages of being stable in raw material source, flexible in production organization, high in efficiency, high in yield, low in energy consumption, environmentally friendly and the like, and compared with a continuous casting billet direct rolling super-thick plate process,the investment cost of an expensive large-section continuous casting machine can be saved.

The invention discloses a tower rotating multi-arm full-automatic setting machine to greatly improve setting efficiency, simplify structure and decrease occupied floor area. The tower rotating multi-arm full-automatic setting machine comprises a rotatable vertical column device, at least one rotating arm device, corresponding lifting devices and chuck systems, the rotating arm devices are fixedly connected to the top end of the rotatable vertical column device and are circumferentially symmetric, the lifting devices are arranged at two ends of each rotating arm device, and the chuck systems are fixedly mounted on the lifting devices.

The invention discloses a technology for producing alloy aluminum inside an aluminum cell. In the aluminum electrolysis production process, a simple substance or a midbody or an alloy body of an alloying element A is added into molten aluminum in the aluminum cell in the mode of penetrating a dielectric layer, and meanwhile an oxide of an alloying element B is added into the molten aluminum in the mode of penetrating the dielectric layer, a simple substance of the alloying element is obtained from the oxide of the alloying element B under the reducing action of aluminum, the simple substance of the alloying element B and the simple substance or the midbody or the alloy body of the alloying element A are evenly dispersed into the molten aluminum at high temperature under the external magnetic stirring action, the molten aluminum is taken out for cooling to obtain alloy aluminum. According to the technology, the technical difficulties and technical defects in the prior art are overcome, melting in the large modern prebaking cell and melting in a self-baking cell can be achieved, stability and easy controllability of working of the cell are not affected, and high-quality alloy aluminum of various trademarks, varieties and batches can be organized and produced flexibly.

The invention discloses a rolling device of a continuous differential thick plate. The rolling device comprises a base, a rolling mechanism and a driving mechanism; the rolling mechanism is arranged on the base in a sliding mode; the driving mechanism is used for driving the rolling mechanism to move; the rolling mechanism comprises a sliding block, a roller and a guide plate; the roller is arranged in the sliding block in a rotatable mode; the guide plate is located on the outer side of the sliding block; the guide plate is detachably arranged on the base; a guide sliding groove is formed at the inner edge of the guide plate along the horizontal direction; the sliding block and the roller are connected with the guide sliding groove in a sliding mode. According to the rolling device of a continuous differential thick plate, the structure is simple, the profiling machining can be implemented, the versatility is high, the continuous differential thick plate with the transition contour which is a complex curve and the transition area which is a curved surface can be produced out according to the machining requirements, the adaptability is wide, the production organization is flexible, and the investment cost is low.

The invention belongs to the technical field of hot-rolled bars, and particularly relates to a high-yield bar production system which comprises a rough finish rolling area, an intermediate finish rolling area, a pre-finish rolling area and a high-speed area. The high-speed area comprises an A-line production channel, a B-line production channel and a C-line production channel; the A-line production channel comprises a water cooling unit, a first rolling mill set, a second rolling mill set and a double-length flying shear which are arranged in sequence; the B-line production channel and the C-line production channel each comprise a first flying shear, a third rolling mill set, a water cooling unit, a second flying shear, a fourth rolling mill set, a fifth rolling mill set, a pinch roll, a multiple-length shearing device, a pinch brake device and a rotating hub steel feeding device which are sequentially arranged. Production of all product specifications can be achieved on one production line, compared with a common bar production line, the functions of multiple production lines can be achieved only by adding a small amount of equipment in a high-speed area, and comprehensive investment is saved; and the production organization mode is more flexible, and the annual output can reach 2 million tons.

The invention relates to an open type filter screen of a continuous casting secondary cooling water zero section, and belongs to the technical field of continuous casting secondary cooling water zerosection filtering equipment in the metallurgical industry. According to the technical scheme, one end of a secondary cooling water zero section cooling pipeline (5) is connected with a water inlet pipe (6), the other end of the secondary cooling water zero section cooling pipeline (5) is provided with an end cover (7), and the secondary cooling water zero section cooling pipeline (5) is provided with multiple water outlet pipes (8) connected with water spray nozzles; a filter screen framework (1) is fixed in the zero section cooling pipeline (5); and a filter residue basket (3) and a leakage-proof fence (4) are fixed on the filter screen framework (1), one end of a water inlet filter screen pipe (2) is connected to the water inlet pipe (6) of the secondary cooling water zero section cooling pipeline (5), and the other end of the water inlet filter screen pipe (2) is connected with a connecting pipe (31) on the filter residue basket (3). The open type filter screen has the beneficial effects that supplied water filtration of the secondary cooling water zero section can be realized only by the water supply pressure, normal operation time of the secondary cooling water zero section isprolonged, and the workload of maintenance is reduced.

The invention discloses equipment and a method for pushing and rolling molding of a rail. The equipment comprises a thrust device 1, a heating device 2, roller devices 3, reshaping and straightening devices 4, a reheating device 5 and an atomizing and spraying device 6 which are arranged sequentially; and a guide component 7 is arranged on the equipment to guide movement of a steel blank 8. The metal pushing and rolling technology is as follows: at the state that metal reaches the rolling temperature through induction heating, the steel blank is pushed by the thrust device, is rolled, is subjected to reeling and is straightened by longitudinal columns of molds and is heated and subjected to spraying treatment to reach the light rail parameter requirements, the manner combines metal extrusion, rolling and online heat treatment, the investment is lower than that of a traditional manner, the production organization is flexible, the cost is relatively low, the technology is applicable to medium and small-sized enterprises, and other kinds of like profile steel can be produced with the rolling method and changed combination manners and structures of hole patterns.