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Controlled cooling method for through-type high-temperature steel pipe quenching

A steel pipe and high-temperature technology, which is applied in the field of through-type high-temperature steel pipe quenching device and controlled cooling control, can solve the problems of poor circumferential cooling uniformity and unsatisfactory cooling rate control, etc., to achieve uniformity improvement, efficient recovery, and high efficiency The effect of recycling

Active Publication Date: 2021-04-06
太原通泽智能工程股份有限公司
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  • Application Information

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Problems solved by technology

[0003] The invention provides a controlled cooling method for through-type high-temperature steel pipe quenching, which solves the technical problems of unsatisfactory cooling rate control and poor circumferential cooling uniformity existing in the existing through-type quenching device

Method used

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  • Controlled cooling method for through-type high-temperature steel pipe quenching
  • Controlled cooling method for through-type high-temperature steel pipe quenching

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Embodiment Construction

[0019] The present invention is described in detail below in conjunction with accompanying drawing:

[0020] A through-type high-temperature steel pipe quenching device capable of effectively controlling cooling, comprising a V-shaped conveying roller table 18, on which a high-temperature steel pipe 1 is conveyed, and the V-shaped conveying roller table 18 conveying the high-temperature steel pipe 1 is Passing through the high-temperature section through-type cooling unit 2 and the low-temperature section through-type cooling unit 3 in sequence, the mechanical structure of the high-temperature section through-type cooling unit 2 is exactly the same as that of the low-temperature section through-type cooling unit 3; the high-temperature section through-type cooling unit 2 is composed of the left pipe section 4, the right pipe section 5, the left casing 6, the middle casing 7 and the right casing 8, and the left pipe section 4 and the right pipe section 5 are connected through th...

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Abstract

The invention discloses a controlled cooling method for through-type high-temperature steel pipe quenching. The problems that an existing through-type quenching device is not ideal in cooling rate control and poor in circumferential cooling uniformity are solved. A V-shaped conveying rail (18) for conveying a high-temperature steel pipe (1) sequentially penetrates through a high-temperature section through type cooling unit (2) and a low-temperature section through type cooling unit (3), a left side pipe section (4) and a right side pipe section (5) are connected into a through linear cylindrical cavity through a middle sleeve (7), a left-end sleeve (6) is arranged on a left end opening of the left side pipe section (4). a right-end sleeve (8) is arranged on a right end opening of the right-side pipe section (5), a forward spiral-flow type nozzle (9) is arranged in an inner cavity of the left-end sleeve (6), and a reverse spiral-flow type nozzle (10) is arranged in an inner cavity of the right-end sleeve (8). The controlled cooling method is simple in structure and convenient to mount and dismount.

Description

technical field [0001] The invention relates to seamless steel pipe production equipment, in particular to a through-type high-temperature steel pipe quenching device capable of effectively regulating the cooling rate of the quenched steel pipe and a cooling control method. Background technique [0002] After the seamless steel pipe is rolled, it needs to be quenched and cooled to obtain excellent comprehensive mechanical properties; in the process of quenching and cooling, how to effectively and scientifically control the cooling rate and cooling uniformity of the steel pipe is the key to the quenching of high-temperature steel pipes. The key point is that this process is directly related to the comprehensive mechanical properties of the steel pipe after quenching; after preliminary analysis, the main factors affecting the quenching quality of high-temperature steel pipes are: (1) Whether the quenching and cooling rate of high-temperature steel pipes can be effectively contr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D11/00C21D9/08C21D1/667
CPCC21D11/005C21D9/085C21D1/667
Inventor 吴海鹏郭继保李敏
Owner 太原通泽智能工程股份有限公司
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