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Horizontal converting furnace body butt welding method for non-ferrous metal smelting

A non-ferrous metal and blowing furnace technology, which is applied in the field of butt welding of horizontal blowing furnaces for non-ferrous metal smelting, can solve the problems of scrapped furnace body, long cycle and large investment, shorten the construction period and increase the output. , the effect of improving economic efficiency

Active Publication Date: 2018-12-14
洛阳玉冶机械设备有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

Making a new furnace is equivalent to building a new factory, and the investment cycle is long; while the transformation of the old furnace is the best solution, but the transformation of the old furnace is not only to lengthen the length of the furnace body, but also requires the transformed furnace body to fully meet the production needs, otherwise it will Serious consequences that lead to the scrapping of the original furnace body

Method used

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  • Horizontal converting furnace body butt welding method for non-ferrous metal smelting
  • Horizontal converting furnace body butt welding method for non-ferrous metal smelting
  • Horizontal converting furnace body butt welding method for non-ferrous metal smelting

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Embodiment 1

[0028] This embodiment provides a method for butt welding a horizontal blowing furnace body for non-ferrous metal smelting, comprising the following steps:

[0029] Cutting the head: the head at one end of the old furnace body is cut off by segmented uniform cutting, and the cut on the old furnace body is polished to obtain the pretreated old furnace body;

[0030] Pre-positioning: a laser positioning device is erected in the center of the furnace body cavity of the pre-treated old furnace body, and multiple fine-tuning mechanisms and multiple pre-positioning linkage mechanisms are suspended on the welding section of the pre-treated old furnace body. An alignment bracket is erected at the center of the cavity of the increased furnace body, and by adjusting the relative position between the pretreated old furnace body and the newly added furnace body, one end of the fine-tuning mechanism and the pre-positioning connecting rod One end of the mechanism enters the cavity of the fu...

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Abstract

The invention provides a horizontal converting furnace body butt welding method for non-ferrous metal smelting. The method comprises the specific steps of cutting end sealing, prepositioning, prealignment, finish alignment and welding. The technological steps are simple, scientific and reasonable. On the condition of lengthening a furnace body, welding alignment assisting tools needed by butt welding are reasonably arranged, butt welding precision is ensured, it is ensured that the furnace body is normally and stably operated, the yield is improved, the cost spent for buying a two-gear supporting bottom-blowing furnace again due to yield increasing can be reduced, the construction period is shortened, and economic benefits of enterprises are effectively improved.

Description

technical field [0001] The invention belongs to the technical field of horizontal blowing furnaces, and in particular relates to a butt welding method for a furnace body of a horizontal blowing furnace for smelting nonferrous metals. Background technique [0002] The furnace structure used in non-ferrous metal smelting is composed of a set of furnace body device, two sets of supporting devices, and a set of transmission device. The motor of the transmission device drives the reducer and then drives the ring gear through the pinion to realize the rotation of the furnace body. The furnace body is made of steel plate rolled and welded into a cylindrical shape, with welded heads at both ends. According to the requirements of the smelting process, the required furnace mouth, oxygen gun mouth, etc. are opened on the furnace body. The interior of the furnace body is lined with refractory materials to meet the needs of high-temperature smelting. The supporting device is composed ...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 徐吉董伟丽赵宁
Owner 洛阳玉冶机械设备有限公司
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