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Slagging structure and slagging method for water-sealed tank of rotary hearth furnace

A water-sealed tank and rotary hearth furnace technology, which is applied to furnaces, furnace types, furnace components, etc., can solve problems such as the ineffective operation of rotary hearth furnaces, and achieve the effects of reasonable structure, simple operation, and thorough slagging

Active Publication Date: 2022-03-11
SHAGANG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the existing coal-based direct reduction ironmaking rotary hearth furnace water seal tank in the prior art often has slag material, if the slag material in the rotary hearth furnace water seal tank is not discharged in time, it will directly affect The effective control of the furnace reducing atmosphere and furnace pressure of the rotary hearth furnace leads to the shortcomings that the rotary hearth furnace cannot be operated effectively, and a slag discharge structure and slag discharge method of the water seal tank of the rotary hearth furnace is proposed

Method used

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  • Slagging structure and slagging method for water-sealed tank of rotary hearth furnace
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  • Slagging structure and slagging method for water-sealed tank of rotary hearth furnace

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Embodiment 1

[0038] refer to Figure 1-5, a rotary hearth furnace water seal tank slagging structure, comprising a rotary hearth furnace main body 1, the bottom of the rotary hearth furnace main body 1 is provided with a water seal tank main body 2, and the bottom of the rotary hearth furnace main body 1 is symmetrically provided with two water seal The tank main body 2 is connected with a through hole, the bottom of the rotary hearth furnace main body 1 is symmetrically fixedly connected with two legs 3, one side of the water seal tank main body 2 is fixedly connected with a fixed seat 4, and a fixed chamber is arranged on the fixed seat 4 5. There is a power assembly on the fixed chamber 5, and a rotating shaft 6 is connected to the power assembly. One end of the rotating shaft 6 extends into the main body 2 of the water seal tank and is rotationally connected with one side of the inner wall of the main body 2 of the water seal tank. On the rotating shaft 6 Two cleaning brushes 7 are sym...

Embodiment 2

[0040] In the present invention, the power assembly includes an electric telescopic rod 13 fixedly connected to the inner wall of one side of the fixed chamber 5 and a ball screw 14 rotatably connected to the inner wall of one side of the fixed chamber 5. The ball screw 14 is threadedly connected with Lead screw nut 15, one end of the electric telescopic rod 13 is fixedly connected with one side of the lead screw nut 15, the other end of the rotating shaft 6 extends into the fixed chamber 5 and is fixedly connected with one end of the ball screw 14, the electric telescopic rod 13, The screw nut 15 can be moved back and forth, and the ball screw 14 can drive the rotating shaft 6 to rotate back and forth, so as to provide power for the rotating shaft 6 .

[0041] In the present invention, both sides of the main body 2 of the water seal tank 2 are symmetrically fixedly connected with two limiting plates 18, and the slag discharge port is located between the two limiting plates 18,...

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Abstract

The invention belongs to the field of slagging of rotary hearth furnaces, in particular to a slagging structure and a slagging method for a water seal tank of a rotary hearth furnace. Aiming at the existing coal-based direct reduction ironmaking rotary hearth furnace water seal tank often has slag material, if If the slag in the water seal tank of the rotary hearth furnace is not discharged in time, it will directly affect the effective control of the furnace reducing atmosphere and furnace pressure of the rotary hearth furnace, resulting in the problem that the rotary hearth furnace cannot operate effectively. Furnace main body, the bottom of the rotary hearth furnace main body is provided with a water seal tank main body, the present invention has a reasonable structure and simple operation, and the rotating shaft can be reciprocated through the electric telescopic rod, so that the two cleaning brushes can touch the inner walls of both sides of the water seal tank main body. The slag is removed, and the slag discharge is more thorough. At the same time, the slag can be pushed to the first collection tank and the second collection tank for collection through the slag discharge plate, so that the slag in the main body of the water seal tank can be cleaned in time. discharge, and the slag discharge is thorough, and will not affect the operation of the main body of the rotary hearth furnace.

Description

technical field [0001] The invention relates to the technical field of slagging of a rotary hearth furnace, in particular to a slagging structure and a slagging method of a water seal tank of a rotary hearth furnace. Background technique [0002] At present, there are different rotary hearth furnace equipment in metallurgy, chemical industry and other fields, and there are strict requirements on their continuity, metering, high temperature resistance and sealing. [0003] The patent with the notification number CN111637431A discloses a waste heat boiler for recovering flue gas heat from a rotary hearth furnace. A number of second slag tube bundles for countercurrent heat exchange with gas, and superheaters, evaporators, and economizers arranged along the flue gas movement direction in the main body. By setting up two-stage slag tube bundles, multi-stage superheaters, and combined ash cleaning structures, etc., the ash accumulation and corrosion of waste heat boilers can be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B13/06F27D3/15
CPCF27B13/06F27D3/1545
Inventor 毛一标许晓璐王平
Owner SHAGANG GROUP