JP2018159508A5

JP2018159508A5 -

Info

Publication number: JP2018159508A5
Application number: JP2017056740A
Authority: JP
Filing date: 2017-03-23
Publication date: 2019-10-03

Description

本第２発明では、前記流量調節手段として弁体（２１）ないしファン（４）の少なくとも一方を設ける。本第３発明では、煙道（３）を前記予熱室（１４）の上端部側壁に連結する。 In the second invention, at least one of the valve body (21) and the fan (4) is provided as the flow rate adjusting means. In this 3rd invention, a flue (3) is connected with the upper end part side wall of the said preheating chamber (14) .

本第４発明では、前記バイパス路（２）を流れる排ガス量の上限が溶解炉（１）から排出される排ガス量の２５〜３５％になるように前記バイパス路（２）の圧損が設定されている。本第５発明では、前記バイパス路（２）に前記弁体（２１）と前記ファン（４）を直列に設ける。

In the fourth invention , the pressure loss of the bypass passage (2) is set so that the upper limit of the amount of exhaust gas flowing through the bypass passage (2) is 25 to 35% of the amount of exhaust gas discharged from the melting furnace (1). ing. In the fifth aspect of the invention, the valve body (21) and the fan (4) are provided in series in the bypass passage (2) .

Claims

A single preheating chamber is provided in the shaft above the furnace body to preheat the scrap, and the exhaust gas from the melting furnace is circulated through the preheating chamber in the shaft to preheat the scrap, and the exhaust gas inflow side of the preheating chamber A scrap preheating device for a melting furnace in which a bypass path is provided to connect the exhaust gas to the exhaust gas outflow side and a flow rate adjusting means is provided in the bypass path.

The scrap preheating apparatus for a melting furnace according to claim 1, wherein at least one of a valve body and a fan is provided as the flow rate adjusting means.

The scrap preparation of the melting furnace according to claim 1 or 2, wherein a flue is connected to an upper end side wall of the preheating chamber. Thermal device.

The melting furnace according to any one of claims 1 to 3 , wherein the pressure loss of the bypass path is set so that the upper limit of the amount of exhaust gas flowing through the bypass path is 25 to 35% of the amount of exhaust gas discharged from the melting furnace. Scrap preheating equipment.

The said valve body and the said fan were provided in the said bypass path in series, The description in any one of Claim 2 thru | or 4 Scrap preheating equipment for the above melting furnace.