29results about "Work cooling devices" patented technology

The invention relates to a device (1) and a method for convectively cooling hot steel products, in particular hot rolled products (5) in a rolling mill. The device (1) comprises at least one cooling bed which comprises at least one first and at least one second vertically extending cooling bed plane (2, 3), wherein the cooling bed planes (2, 3) are formed by at least one transport device which has at least one vertical conveyor means (4) that is designed to receive a rolled product (5) from a first horizontal conveyor means (6), raise the rolled product via a first vertical conveyor section, and deposit the rolled product on a second horizontal conveyor means (4) via a second vertical conveyor section. The circulating transport device is arranged in a substantially closed housing (7) which comprises means for producing a flow of air and / or gas, as a cooling medium, through the volume enclosed by the housing (7) and means for recovering energy from the air flow and / or gas flow which is guided through the housing and which is loaded with heat of the rolled product.

1. A method for cooling material in a cooling system of a rolling mill using a cooling fluid, the method comprising: conveying a length of material into the cooling system of the rolling mill by a transport mechanism; measuring a speed of the length of material by a sensor; comparing the measured speed to a setpoint speed by a control system, the setpoint speed having a corresponding first flow rate of the cooling fluid; calculating, by the control system, a second flow rate of the cooling fluid based on the comparison, the second flow rate being different from the first flow rate; and applying the cooling fluid at the second flow rate to the material in the cooling system.

An apparatus (1) and method for manufacturing hot-rolled metal strip (2), wherein the apparatus (1) comprises: a finishing mill (10) having at least one mill stand (11) having work rolls forming a roll gap for hot-rolling metal strip (2); and a rapid cooling mechanism (20) directly arranged downstream of the roll gap of the last mill stand (11) of the finishing mill (10), and configured to rapidly cool the metal strip (2) by applying a coolant, preferably a water-based coolant, to the upper and lower sides of the metal strip (2) along a cooling section of the rapid cooling mechanism (20); wherein the rapid cooling mechanism (20) is configured to apply 100-300 μm of coolant to both the upper and lower sides of the metal strip (2). 3 / (m 2 Cooling dose between (×h).

The application relates to a preparation method of a 6061-O state aluminum alloy plate with a low earing rate, which comprises the following steps: (1) melting and casting; (2) milling; (3) heating; (4) hot continuous rolling; (5) product annealing; and (6) shearing. In the melting and casting step, the mass percentage of the chemical composition of the aluminum alloy is controlled as follows: Si: 0.4-0.8%, Fe: <=0.7%, Cu: 0.15-0.4%, Mn: <=0.15%, Mg: 0.8-1.2%, Cr: 0.04-0.35%, Zn: <=0.25%, Ti: <=0.15%, other impurity elements: <=0.05% each, other impurity elements: <=0.15% in total, and the balance is Al, and the total is 100%. The method adjusts the texture type and strength of the balanced product by optimizing the chemical composition of the aluminum alloy, optimizing the hot continuous rolling process and optimizing the product annealing process, so that the earing rate is reduced.

The present application relates to calendering device technical field, especially to a kind of metal cable calendering processing equipment.The processing equipment includes: base, conveying belt, shell plate, anti-wrinkle component, cutting adjustment component, cooling component;The top of the base is fixedly connected with shell plate;The shell plate is provided with conveying belt, anti-wrinkle component, cooling component and cutting adjustment component;Anti-wrinkle component both sides are provided with cooling component;Anti-wrinkle component bottom is bonded with conveying belt.In the present application, by setting anti-wrinkle component, after the material can be completely unfolded during processing, guarantee the flatness of after the material is stretched.

This application relates to the field of cold rolling technology for metal sheet and strip, and discloses a cooling control method for a rapid warm rolling process in a rolling mill, as well as the resulting sheet and strip. The control method includes: acquiring the strip to be rolled and heating it to a set temperature; acquiring the strip thickness and total reduction rate, and setting the total number of rolling passes based on the thickness and total reduction rate; acquiring the rolling speed, and setting the inlet emulsion flow rate for each rolling pass based on the rolling speed; and setting the outlet emulsion flow rate for each rolling pass based on the rolling speed and the inlet emulsion flow rate. After the set temperature, total number of rolling passes, inlet emulsion flow rate, and outlet emulsion flow rate are all set, strip rolling begins. This application precisely controls the emulsion spray flow rate and determines the optimal inlet and outlet flow rate ratio at the mill inlet and outlet to avoid sheet shape quality problems caused by excessively high temperatures.

The application provides a hot-rolled spring flat steel end crack control method, and belongs to the field of steel rolling processing in the metallurgical industry. The control method comprises uniform heating of the billet before rolling, uniform cooling of the flat steel after rolling, and high-temperature baking of the flat steel end after cooling. The method is a combined special control method of "billet heating uniformity control + flat steel heat preservation and cooling control after rolling + high-temperature baking of the flat steel after cutting", and realizes the generation of no cracks at the end of the hot-rolled spring flat steel. Especially for the cooled flat steel, since the spring flat steel after cutting still has certain stress which cannot be released, high-temperature baking is carried out at the end of the flat steel respectively, so as to ensure that no cracks are generated at the end.

Plant (1) for producing a rolled metal strip (2) in continuous operation, preferably a coupled casting and rolling plant, wherein the plant (1) comprises: at least one casting machine (10) configured to produce a metal strand and transport it in a transport line; at least one rolling stand group (17) configured to transform the metal strand into a corresponding metal strip (2) by rolling during transport along the transport line; a cooling device (18) arranged downstream of the last rolling stand group (17) and configured to cool the metal strip (2); and a flatness measuring roller (31) for measuring the flatness of the metal strip (2), arranged downstream of the cooling device (18).

An ultrathin lithium metal / alloy anode, its preparation method, and its application in solid-state batteries belong to the field of lithium-ion battery technology. The ultrathin lithium metal / alloy anode is prepared through a cryogenic pretreatment combined with cyclic rolling. This process can refine the grain size of the anode material to the micrometer or even submicrometer level. Grain boundaries, acting as physical barriers, hinder dislocation movement, significantly increasing the strain rate of the material under high stress, thereby improving the material's resistance to plastic deformation and effectively reducing the stacking pressure requirements of solid-state batteries. Simultaneously, the prepared lithium metal solid-state battery possesses the advantage of high energy density and maximizes battery cycle life by suppressing porosity accumulation during electrode-electrolyte cycling. This invention provides an effective solution for the development of low-cost, high-energy-density, high-safety, and long-cycle-performance lithium metal solid-state battery technology.

Target temperature profile generation device (200) for generating a target temperature profile when steel material (151) supplied by a hot rolling mill (152) is cooled by a cooling device (160), comprising: a smooth roller outlet temperature input section (20a) designed to to input a smooth rolling outlet temperature, which represents a temperature of the steel material (151) when the steel material (151) is delivered from the hot rolling mill (152); an upper / lower steel material velocity limit input section (20b) designed to input an upper limit and a lower limit of a forward velocity of the steel material (151); a maximum / minimum reference cooling setting input section (20c) designed to input a minimum reference cooling setting to set a cooling capacity of the cooling device (160) to a minimum level and a maximum reference cooling setting to set the cooling capacity of the cooling device (160) to a maximum level; a permissible temperature profile range display section (20d) designed to determine a permissible temperature profile range for the steel material (151) based on temperature profiles of the steel material (151), wherein the temperature profiles are obtained in cases where the feed rate of the steel material (151) is set to the upper limit and the lower limit and the cooling device (160) is set to the maximum reference cooling setting and the minimum reference cooling setting and where the burnishing outlet temperature is used as the starting value, and to display the determined permissible temperature profile range in a graph where time and a temperature are used as coordinate axes; a target temperature profile intermediate point input section (20e) which is designed to only when a point is entered by a user via the graph in which the permissible temperature profile range is displayed, The entered point is included within the permissible temperature profile range, and the entered point is to be assumed as an intermediate point in the target temperature profile; and a target temperature profile creation section (20f) designed to create a target temperature profile of the steel material (151) using coordinate values ​​of the target temperature profile intermediate point assumed by the target temperature profile intermediate point input section (20e).

The application relates to preparation of a dissimilar metal composite plate, in particular to a Mg-Al-Ta composite plate based on corrugated rolling and laser irradiation cooperation and a preparation method, which comprises the following steps: S1, providing an aluminum plate, a tantalum plate and an AZ31 magnesium alloy plate with a bimodal separated non-basal plane texture; S2, performing wave flat room temperature rolling on the AZ31 magnesium alloy plate, so that the surface of the AZ31 magnesium alloy plate combined with the aluminum plate is a concave-convex stripe surface; the aluminum plate and the AZ31 magnesium alloy plate are contacted and stacked and the edges of the two are fixedly connected, so that a Mg-Al composite plate blank is obtained; S3, placing the tantalum plate and the Mg-Al composite plate blank in an atmosphere protection box and filling the box with inert gas; S4, heating the surface of the tantalum plate combined with the aluminum plate in the atmosphere protection box by using a laser irradiation mode; then performing single-pass medium-temperature rolling and compounding; S5, sequentially performing deep cooling treatment and high-temperature diffusion annealing treatment, so that the Mg-Al-Ta composite plate based on corrugated rolling and laser irradiation cooperation is obtained. The Mg-Al-Ta composite plate can improve the interface bonding strength.

The present invention discloses a stainless steel clad plate with excellent interface bonding and a preparation method thereof. In a rolling process of the method, n passes of transverse rolling are performed and then longitudinal rolling is performed, a reduction of a first pass is ≥25mm and a temperature is ≥1060°C, a target width is reached at an n-th pass, a temperature of the n-th pass is ≥1030°C; after the n-th pass and an (n+2)th pass, water-cooling is performed back and forth once in 6 groups of cooling headers, cooling water amounts of an upper header and a lower header are 120~180m3 / h and 160~220m3 / h respectively, and a roller table speed is 0.8~1.2m / s; reductions of passes from an (n+1)th pass to an (n+3)th pass are all ≥40mm, and a temperature of the (n+1)th pass is ≥950°C; up to an m-th pass, a temperature is ≥900°C, reaching 2.5~3.5 times a target thickness of a large clad plate; after that, performing water cooling, until a surface temperature of a slab is reduced to below 840°C; and then performing a second stage of rolling, a temperature of a first pass and a last pass of the stage is 810°C~840°C and 780~810°C.

The application discloses a hot-rolled stainless steel laminar flow spray muddy liquid purification treatment device, which comprises a filter box, a sedimentation cylinder, a buffer zone, a cooling tower, a water inlet, a water pump, a connecting pipe and a water outlet pipe; two groups of filter mechanisms and an obliquely arranged partition plate are arranged in the filter box, and the two groups of filter mechanisms are arranged on the two sides of the partition plate; the sedimentation cylinder, the buffer zone and the cooling tower are arranged on one side of the filter box, and the filter box and the sedimentation cylinder are connected through the water pump and the connecting pipe; the sedimentation cylinder and the cooling tower are fixed on the top of the buffer zone and are communicated with the buffer zone; an extraction mechanism is arranged in the cooling tower, and cooling mechanisms are arranged on the side walls of the cooling tower around the extraction mechanism; the water inlet is arranged on the top of the filter box, and the water outlet pipe is arranged on the side wall of the cooling tower. The application can reduce the blockage of filter plates, improve the filtering efficiency of the filter plates, and facilitate the cleaning of the oxide skin; is favorable for the precipitation of the oxide skin and impurities in the muddy liquid; can supply the supernatant after cooling for laminar flow cooling, and can realize the recycling of heat.

The invention relates to a method for monitoring a quality of a rolling fluid, in particular rolling oil, conveyed in a fluid circuit (12) of a rolling mill (10) by means of a monitoring device (13) of the rolling mill, to a monitoring device for a rolling mill, to a rolling mill having a fluid circuit and a monitoring device, and to a use of a monitoring device, wherein at least one physical and / or chemical variable describing the quality is measured by means of a measuring device (14) of the monitoring device.

The present application relates to the temperature control water cooling device and method of high-quality steel bar, belongs to the technical field of steel rolling, the temperature control water cooling device includes the water cooling tank, the upper portion of water cooling tank is equipped with the chain device to push material to the rolling piece on the rapid conveying device before the temperature control water cooling device is pushed into the water cooling tank according to certain rhythm, and the rolling piece in the water cooling tank is pushed forward;The end of water cooling tank is equipped with rolling piece collection frame, the top of rolling piece collection frame has opening, and the height of the side of opening near water cooling tank is lower than the rotating center of chain device to push material to accept the rolling piece pushed out by chain device to push material;The upper portion of water cooling tank is equipped with water / solution spraying system to spray and cool the rolling piece in water cooling tank.The device can realize three cooling modes of water immersion cooling, spraying cooling and natural cooling, and can meet the cooling demand of high-quality steel bar.

The invention relates to a method for monitoring the properties of a rolling fluid, in particular rolling oil, conveyed in a fluid circuit (12) of a rolling mill (10), by means of a monitoring device (13) of the rolling mill, a monitoring device for a rolling mill, a rolling mill with a fluid circuit and a monitoring device, and a use of a monitoring device, wherein at least one physical and / or chemical quantity describing the properties is measured by means of a measuring device (14) of the monitoring device.

The invention relates to a continuous casting and rolling plant (2) for producing an ultra-thin endless belt and to a method (100) for producing an ultra-thin endless belt in a casting machine (4) for endless belt production. The continuous casting and rolling facility (2) comprises: i) a casting machine (4) for casting (S1) a metal strand (S); ii) a first roll stand group (6) for endless rolling (S2) of the cast metal strand (S) to form a pre-strip (V); iii) a second roll stand group (8) for endless rolling (S3) of the pre-strip (V) to form a hot strip (W); iv) a coiling arrangement (10) for selectively coiling the hot strip (W); v) a separating device (12) for separating the coiled hot strip (W) from the following hot strip (W); and, vi) a third roll stand group (32) arranged downstream of the coiling arrangement (10) for selective endless rolling (S4) the hot strip (W) to form an end product (E).

The invention relates to a system (1) for producing a rolled metal strip (2) in continuous operation, preferably a coupled casting and rolling system, wherein the system (1) has: at least one casting machine (10) which is designed to produce a metal strand and to transport the metal strand in a transport line; at least one roll stand group (17) which is designed to shape the metal strand into a corresponding metal strip (2) by rolling during transport along the transport line; a cooling device (18) which is arranged downstream of the last roll stand group (17) and is designed to cool the metal strip (2); and a flatness measuring roller (31) for measuring the flatness of the metal strip (2), said flatness measuring roller being arranged downstream of the cooling device (18).

A cooling module of a cooling device for cooling a hot-rolled metal strip-shaped product using a coolant, the cooling module includes at least one cooling bar including a coolant chamber and a plurality of coolant outlet pipes connected to the coolant chamber to fluidically communicate therewith and each include at least one coolant outlet opening for applying the coolant to the strip-shaped product; at least one coolant feed connected to the coolant chamber to fluidically communicate therewith, the coolant feed is configured to connect to a coolant reservoir to fluidically communicate therewith, the coolant reservoir is configured to provide a pressure difference between the coolant reservoir and the coolant outlet opening; and at least one coolant valve arranged between the coolant feed and the coolant chamber; wherein the cooling module further includes time-variant behavior of a coolant rate in the coolant outlet opening.

The application provides an environment-friendly and economical zinc-aluminum-magnesium plated steel sheet and a manufacturing method thereof. The thickness and structure of the iron oxide skin are controlled through heating, cooling and other process controls in a hot rolling process to obtain good hot rolling base material quality. Then, a kind of environment-friendly and economical zinc-aluminum-magnesium plated steel sheet is obtained through process controls such as straightening, heating and hot plating, thereby solving the problems of poor environmental protection and high cost of the existing zinc-aluminum-magnesium plated products. Moreover, the zinc-aluminum-magnesium plated product prepared by the method has good surface quality and adhesion, has remarkable environmental protection and economy, and can meet the requirements of different uses.

The invention relates to a hot reversing mill equipped with one or more cooling systems consisting of bars of nozzles spraying an aluminum blank. It also relates to the hot rolling process associated with this hot reversing mill wherein the cooling system serves at least once making it possible to produce aluminum sheets advantageously. It also relates to the process for rolling an AA6xxx series aluminum alloy wherein a blank is cooled during the hot rolling and a sheet obtained with this process. The invention makes it possible to enhance the productivity of reversing mills by enhancing the metallurgical quality and / or the productivity of the other fabrication steps. The invention is particularly useful for providing superior quality 6xxx alloy sheets intended for the automotive industry.