Method for producing double-metal reinforced cooling wall of copper base body with steel pipe internally arranged
A production method and copper matrix technology, applied in the field of metallurgical staves, can solve problems such as increasing the input resistance of cooling water, raising production costs, and potential safety hazards, so as to improve the ability to resist deformation and mechanical properties, reduce welding processes, and prolong The effect of service life
Inactive Publication Date: 2015-06-17
江苏联兴成套设备制造有限公司
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Problems solved by technology
[0003] However, when both the base body of the stave and the cooling water pipe are made of metal copper, there are also the following disadvantages: (1) The cooling water pipe is also made of metal copper, which further increases the production cost; (2) The copper cooling water pipe is easy to Melt-through and deformation occur, and the yield of the production process is low; (3) Due to the low strength of the copper substrate in the actual use process, it is easy to be damaged in the process of repeated thermal expansion and deformation, and then water leakage accidents occur, causing safety hazards
However, there are also the following disadvantages: (1) the cast copper substrate needs to be rolled, which further increases the production cost
(2) The problem of partial hole often occurs during the drilling process, resulting in the misalignment of the cooling channel, increasing the input resistance of cooling water, and causing the problem of cooling water delivery
The above-mentioned leakage problem is prone to occur at the weld seam, and there are also potential safety hazards
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[0028] The following descriptions are only preferred embodiments embodying the principles of the present invention, and do not therefore limit the protection scope of the present invention
[0029] Such as figure 1 , 2Shown is the finished stave of the present invention, and this stave is made of oxygen-free copper substrate 1, cooling water pipe 2 and external cast steel plate 3, and this stave is cast into cooling water pipe 2 in oxygen-free copper substrate 1, The external cast steel plate 3 is connected to the oxygen-free copper substrate 1 through a dovetail groove, and its specific embodiment includes the following steps: first, the oxygen-free copper is used as the substrate and cast into the rolled steel pipe in the substrate: (1 ), use intermediate frequency induction furnace to smelt copper water, add slagging agent twice at the end of smelting copper water, so that it can evenly cover the surface of copper water; Ferrosilicon alloy blocks with a particle size of 3...
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Abstract
The invention discloses a method for producing a double-metal reinforced cooling wall of a copper base body with a steel pipe internally arranged. The method comprises the following steps that firstly, oxygen-free copper serves as the base body, and the rolled steel pipe is cast in the base body; secondly, a cast steel plate portion arranged outside the copper base body is machined; and thirdly, the copper base with the steel pipe cast in and the cast steel plate portion arranged outside the copper base body are assembled. According to the method, the cooling capacity of the cooling wall can be improved, and then, the use amount of cooling water can be reduced; and the production cost can be reduced while the production efficiency is improved.
Description
Technical field: [0001] The invention relates to the technical field of metallurgical staves, in particular to a production method for bimetallic reinforced staves with steel pipes built into copper substrates. Background technique: [0002] Cooling staves are commonly used cooling equipment in the metallurgical industry. During service, the staves take away the heat generated by high-temperature furnaces and kilns in the metallurgical industry in time with the help of cooling water at a certain pressure and flow rate, ensuring long-term safe and reliable use of high-temperature furnaces and kilns. Therefore, the stave has higher requirements on heat transfer performance and long-term service under high temperature conditions. Thermal resistance is the resistance in the process of heat transfer, the greater the thermal resistance, the greater the resistance to heat transfer. For the stave, its thermal resistance mainly includes the stave matrix, the cooling water pipe, the ...
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IPC IPC(8): B22D19/16B22D19/02
CPCB22D19/0072B22D19/16
Inventor 王志斌陈和平潘宏伟程树森邢涛
Owner 江苏联兴成套设备制造有限公司