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Drill rod heat treatment device and method for blast furnace opening

The technology of a heat treatment device and a drill rod is applied in the field of heat treatment, which can solve the problems of low production efficiency and large space occupied by cooling equipment, and achieve the effects of small space occupation, shortening production cycle and improving surface quality.

Pending Publication Date: 2019-12-24
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a heat treatment device for drill rods for blast furnace openings, aiming to solve the problems of low production efficiency and large space occupied by cooling equipment in the existing heat treatment process for drill rods for blast furnace openings

Method used

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  • Drill rod heat treatment device and method for blast furnace opening
  • Drill rod heat treatment device and method for blast furnace opening
  • Drill rod heat treatment device and method for blast furnace opening

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Embodiment Construction

[0037] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] Please also refer to figure 1 and figure 2 Now, a kind of drill rod heat treatment device for blast furnace opening provided by the present invention will be described. in, figure 1 The A direction is the feeding direction of the drill rod, figure 2 The middle B direction is the rotation direction of the drill rod. The drill rod heat treatment device for blast furnace opening includes: a support frame 1 , a transmission mechanism 2 and an induction coil 3 . The transmission mechanism 2 is fixedly installed on the support frame 1 for transmitting the d...

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Abstract

The invention provides a drill rod heat treatment device and method for blast furnace opening, and belongs to the technical field of heat treatment. The drill rod heat treatment device for blast furnace opening comprises a support frame, a conveying mechanism and an induction coil. The conveying mechanism is fixedly mounted on the support frame, and is used for conveying drill rods; the inductioncoil is fixedly mounted on the support frame, is positioned above the conveying mechanism, and is used for being connected with inductive heating equipment to heat the drill rods on the conveying mechanism; and a spraying port is formed in the tail end of the induction coil, and is used for spraying cooling liquid to the heated drill rods for quenching. The device is simple in structure and less in occupied space, centralizes the quenching operation of the drill rods in one station for completion, greatly improves the production efficiency, and shortens the production period. The drill rod heat treatment method for blast furnace opening shortens the drill rod quenching operation time, improves the production efficiency, and can effectively remove scales on the surfaces of the drill rods toimprove the surface quality of the drill rods.

Description

technical field [0001] The invention belongs to the technical field of heat treatment, and more specifically relates to a heat treatment device and method for a drilling rod for blast furnace opening. Background technique [0002] The drilling rod for blast furnace opening belongs to a kind of metallurgical drilling tool. During the blast furnace opening operation, the impact energy and torque provided by the tapping machine need to be transmitted to the drill bit through the drill rod. mouth. [0003] Because the drill rod is in the working environment of alternating loads of impact load and torque, bending and fracture become the main failure modes of the drill rod used for blast furnace openings. In addition, since the drill rod and the drill bit are usually connected by threads, if the thread strength is not enough, the thread will fail. , directly lead to the scrapping of the drill rod. Therefore, it is very necessary to improve the hardness, strength and toughness of...

Claims

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Application Information

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IPC IPC(8): C21D1/18C21D1/667C21D1/42C21D9/00
CPCC21D1/18C21D1/667C21D1/42C21D9/0062C21D9/0075Y02P10/25
Inventor 王伟马世博闫华军张双杰刘玉忠
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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