A vertical continuous casting multi-stage anti-radiation heat preservation device
A heat preservation device and anti-radiation technology, which is applied in the field of continuous casting, can solve the problems of prominent central feeding defects and difficult control of slab solidification and feeding behavior, and achieve the effects of preventing central solidification defects, weakening effect strength, and convenient replacement
Active Publication Date: 2020-05-19
UNIV OF SCI & TECH LIAONING +1
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Problems solved by technology
For large-scale continuous casting slabs, the cooling intensity in the secondary cooling zone is difficult to penetrate into the inner layer of the slab, which makes it difficult to control the solidification and feeding behavior of the slab, and the central feeding defect is prominent
Method used
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Embodiment Construction
[0020] Embodiments of the present invention are further described below in conjunction with the accompanying drawings:
[0021] like Figure 1-Figure 2 As shown, a vertical continuous casting multi-stage anti-radiation heat preservation device, the multi-stage anti-radiation heat preservation device is arranged downstream of the continuous casting secondary cooling zone 3, including an anti-radiation heat preservation layer 5, a fixed partition 8, an asbestos box 7. The flexible cover plate 6, the anti-radiation insulation layer 5 is fixed on the inner wall of the wall 9, the outer frame of the fixed partition 8 is fixedly connected with the radiation-proof insulation layer 5, and the asbestos box 7 is installed in the inner frame of the fixed partition 8 , the flexible cover 6 is placed in the asbestos box 7; the flexible cover 6, the asbestos box 7 and the fixed partition 8 divide the entire heat preservation space from top to bottom into several single-stage anti-radiation ...
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Abstract
A vertical continuous casting multi-stage anti-radiation heat preservation device, the multi-stage anti-radiation heat preservation device is arranged downstream of the continuous casting secondary cooling zone, including an anti-radiation heat preservation layer, a fixed partition, an asbestos box, a flexible cover plate, The radiation insulation layer is fixed on the inner wall of the wall, the outer frame of the fixed partition is fixedly connected with the radiation-proof insulation layer, the asbestos box is installed in the inner frame of the fixed partition, and the flexible cover is placed in the asbestos box; the flexible Cover plates, asbestos boxes and fixed partitions divide the entire insulation space into several single-stage anti-radiation insulation spaces from top to bottom, and the insulation capacity of several single-stage anti-radiation insulation spaces gradually weakens from top to bottom. The beneficial effects of the present invention are: an anti-radiation insulation layer is installed in the radiation area, and the anti-radiation insulation layer is composed of a plurality of single-stage anti-radiation insulation layers, and the insulation capacity of the single-stage anti-radiation insulation layer gradually weakens from top to bottom, which is beneficial to Ensure that the included angle of the solidification front of the continuous casting slab is open to prevent central solidification defects.
Description
technical field [0001] The invention relates to the technical field of continuous casting, in particular to a multi-stage anti-radiation heat preservation device for vertical continuous casting. Background technique [0002] Special steel is a key material required for major equipment manufacturing and national key project construction. It is a high-tech product among steel materials. Its production and application represent a country's industrialization development level and are the basic guarantee for national comprehensive competitiveness and national security. . For large-scale continuous casting slabs, the cooling intensity in the secondary cooling zone is difficult to penetrate into the inner layer of the slab, which makes it difficult to control the solidification and feeding behavior of the slab, and the central feeding defect is prominent. Based on this problem, it is conceived that a multi-stage anti-radiation heat preservation device can be installed in the radia...
Claims
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IPC IPC(8): B22D11/12B22D11/041
CPCB22D11/041B22D11/1213
Inventor 张连望许长军张佳正张岩王志英李胜利高全德王文
Owner UNIV OF SCI & TECH LIAONING