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Double layer roller bottom type continuous spheroidizing annealing furnace

A spheroidizing annealing furnace and roller heart type technology, applied in furnaces, heat treatment furnaces, furnace types, etc., can solve the problems of unutilized waste heat of annealing parts, high energy consumption of annealing, and large heat loss, and achieve good health and safety. The effect of optimizing furnace structure and simplifying heatstroke prevention and cooling measures

Active Publication Date: 2007-02-07
杭州骏马轴承有限公司
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Problems solved by technology

[0004] Whether it is a push rod furnace or a roller hearth furnace, the furnace structure is a front-to-back through type, commonly known as a "tunnel furnace", and the heat loss at the entrance and exit of the furnace is large. There is a lot of heat loss; usually, after the spheroidizing annealing process is completed, the furnace temperature is 600-640°C, and the waste heat of the annealed parts is not utilized, which is the main reason for the high energy consumption of annealing

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] As shown in Figure 1, this double-deck roller hearth type continuous spheroidizing annealing furnace mainly comprises furnace body 25, and the hearth in furnace body 25 comprises upper layer furnace hearth 22 and lower layer furnace hearth 23, and upper layer furnace hearth 22 and lower layer furnace hearth 23 are formed by furnace hearth Partitions 26 are separated. The feeding furnace port 28 and the discharging furnace port 29 are arranged at the same end of the furnace body 25, the feeding furnace port 28 is arranged on the upper layer and communicates with the upper furnace hearth 22, and the discharging furnace port 29 is arranged on the lower layer and is connected with the lower layer furnace hearth 23 Through, the upper furnace door 5 is provided at the charging furnace mouth 28 of the furnace body 25, and the lower furnace door 4 is pro...

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Abstract

the invention discloses a double-layer roll-bottom continuous-balling annealing furnace, which contains furnace, wherein the hearth consists of upper hearth and lower hearth, whose inlet and outlet are set on one end of furnace; the residual heat exchanging chamber is set near the furnace; the sealing rapid-cooling chamber is set in the furnace far away from inlet and outlet, which interconnects upper and lower furnaces; the upper driving roll is set on the upper furnace; the lower driving roll is set in the lower furnace; the elevator and pushing rod are set in the sealing rapid-cooling chamber; the upper heater and heat coupler are set in the upper furnace and lower heater is set in the lower furnace.

Description

technical field [0001] The invention belongs to the field of continuous spheroidizing annealing furnace equipment for heat treatment of metal materials, in particular to a double-layer roller bottom type continuous spheroidizing annealing furnace, which is suitable for energy saving and consumption reduction of spheroidizing annealing of parts made of bearing steel and alloy tool steel. Background technique [0002] In the prior art, spheroidizing annealing is divided into two categories: periodic annealing and continuous annealing. Periodic annealing uses trolley furnaces, bell furnaces, etc., which not only have unstable quality, but also high energy consumption; continuous annealing usually uses pusher furnaces and roller hearth furnaces, and the annealing quality is relatively stable, which can meet the national and industry standards The specified technical requirements, but there are still problems of high energy consumption. [0003] In ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C21D1/26
Inventor 韩志明於文德
Owner 杭州骏马轴承有限公司
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