Continuous casting blank on-line continuous quenching equipment and continuous casting blank on-line continuous quenching process
A technology of quenching equipment and billet, which is applied in the direction of quenching equipment, heat treatment equipment, manufacturing tools, etc., which can solve the problems that the continuous casting process cannot be applied, and achieve the effects of avoiding micro-cracks on the steel plate surface, convenient maintenance and cleaning, and ensuring uniformity
Inactive Publication Date: 2015-08-19
CISDI ENG CO LTD +1
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Problems solved by technology
Off-line quenching heat treatment, mainly for some components and parts, cannot be applied to the continuous casting process
Method used
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[0047] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0048] like Figure 1 to Figure 3 As shown, the present invention provides an online continuous quenching equipment for continuous casting slabs. The quenching equipment is arranged on the production line of the continuous casting equipment 1, and includes a quenching roller table 4, a water tank 2 and a water inlet pipe 3. The water tank 2 is drawn along the casting slab 9. The direction is set on the continuous casting equipment 1, the water tank 2 is located between the tension leveler and the live wire cutting machine of the continuous casting equipment 1, the quenching roller table 4 is located in the water tank 2, the water inlet pipe 3 is connected with the water tank 2, and the front and rear ends of the wate...
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The invention discloses continuous casting blank on-line continuous quenching equipment and a continuous casting blank on-line continuous quenching process for quenching a casting blank on the production line of continuous casting equipment. The continuous casting blank on-line continuous quenching equipment comprises a quenching roller way, a water tank and a water inlet pipe, wherein the water tank is arranged along the drawing direction of the casting blank; the quenching roller way is positioned in the water tank; the water inlet pipe is communicated with the water tank; two ends of the water tank are both provided with end part sealing parts, the two end part sealing parts are respectively provided with a casting blank inlet hole and a casting blank outlet hole, and the end part sealing parts are closely attached to the outer surface of the casting blank. The continuous casting blank on-line continuous quenching equipment disclosed by the invention can be used for fast and forcibly reducing the temperature of the surface of the casting blank to be less than 600 DEG C before the continuous casting blank is cut and carrying out one-line continuous quenching on the surface of the casting blank by arranging the water tank on a feeding roller positioned between a tension leveler and a flame cutting machine, can well complete the quenching process of the casting blank which needs to be treated in a continuous casting process and has the characteristics of small investment, simple structure, convenient later maintenance and high practicability.
Description
technical field [0001] The invention relates to the technical field of metal solidification and continuous casting, in particular to an online continuous quenching equipment for continuous casting slabs and a process thereof. Background technique [0002] The surface quality of rolled steel products depends on the quantity and shape of grain boundary precipitates in the hot rolling process. The precipitates will hinder the movement of the grain boundary during the thermal deformation of the material, thereby generating mechanical stress at these positions. When the mechanical stress at these positions exceeds the ultimate stress, cracks will appear. The temperature of the hot-rolled material is in the range of 650-1000°C In this temperature range, N precipitates such as AlN, BN, VCN and NbCN will seriously reduce the ductility of the metal. [0003] In order to avoid the occurrence of the above phenomenon, the use of surface quenching is a very safe and flexible measure. A...
Claims
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IPC IPC(8): C21D1/667B22D11/124B22D11/126
Inventor 佐祥均罗利华阎建武
Owner CISDI ENG CO LTD