Quenching cooling device for large cylindrical workpieces
A technology of cooling device and large cylinder, applied in quenching device, manufacturing tool, furnace type, etc., can solve problems such as poor practicability and high energy consumption, and achieve the effect of enhanced applicability, reduced energy consumption, and convenient workpiece positioning
Inactive Publication Date: 2013-06-19
SHANGHAI DIANJI UNIV
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Problems solved by technology
[0007] The present invention aims at providing a quenching and cooling device for large cylindrical workpieces aimed at the existing defects of high energy consumption and poor practicability of the existing quenching device in the prior art
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[0024] In order to illustrate the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.
[0025] see figure 1 , figure 1 Shown is a schematic cross-sectional structure diagram of the quenching and cooling device 1 for large cylindrical workpieces of the present invention. The large cylindrical workpiece 2 can be accommodated in the quenching and cooling device 1 for the large cylindrical workpiece, and the quenching process is performed. The quenching and cooling device 1 of the large cylindrical workpiece includes a tank body 10 for containing the large cylindrical workpiece 2; an overflow tank 11 has an overflow pipe 111 and is arranged on the upper end of the tank body 10; The device 12 is evenly arranged on the inner wall of the tank body 10; the outer nozzle jet device 13 is arranged under the large cylindrical workpie...
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The invention discloses a quenching cooling device for large cylindrical workpieces. The quenching cooling device comprises a tank body, an overflow tank, propeller stirring jet apparatuses, an outer nozzle jet apparatus, an inner nozzle jet apparatus and an inner-nozzle diameter adjusting device, wherein the propeller stirring jet apparatuses are uniformly arranged on the inner wall of the tank body, the outer nozzle jet apparatus is arranged below a large cylindrical workpiece, the inner nozzle jet apparatus is arranged in the large cylindrical workpiece, and the inner-nozzle diameter adjusting device is used for adjusting the radial size of the inner nozzle jet apparatus. The quenching cooling device disclosed by the invention is mainly used for controlling the speed of water flow close to the surface of the workpiece, thereby reducing the energy consumption while ensuring that a quenching medium flows uniformly at a high speed; meanwhile, through the arrangement of the inner-nozzle diameter adjusting device, the quenching cooling device is applicable to cylindrical workpieces with different sizes; therefore, the applicability of the quenching cooling device is greatly enhanced; in addition, the top of a positioning support column is higher than the free liquid surface of the quenching medium so that the actual position of the central line of a quenching water tank can be observed conveniently, and a workpiece can be positioned conveniently when the workpiece is immersed into quenching liquid, so the quenching cooling device has good maneuverability.
Description
technical field [0001] The invention relates to the field of heat treatment of metal materials, in particular to a quenching and cooling device for large cylindrical workpieces. Background technique [0002] Quenching is a heat treatment process used to obtain the expected structure and properties of the workpiece. One of the important factors that determine the quality of quenching is the movement of the quenching medium around the workpiece. During quenching, if the flow rate of the quenching medium around the workpiece is too low, the cooling rate of the workpiece will be too slow, and the required structure and properties of the workpiece cannot be obtained; if the flow rate of the quenching medium around the workpiece is uneven, the cooling rate of the workpiece will be uneven, which will easily cause the surface of the workpiece to be quenched. The structure is not uniform, resulting in internal stress, and in severe cases, it will cause defects such as deformation an...
Claims
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IPC IPC(8): C21D1/667C21D9/00
Inventor 孙会李荣斌陈志英
Owner SHANGHAI DIANJI UNIV