KR screw-type stirring device
A stirring device and spiral technology, which is applied in the field of desulfurization devices in the metallurgical casting industry, can solve the problems such as the unsatisfactory desulfurization and stirring effect of the stirring head, and achieve the effect of ideal effect, low cost and long working life
Pending Publication Date: 2017-03-22
营口东邦环保科技股份有限公司
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Problems solved by technology
[0003] At present, there is a mechanical stirring device, the stirring head is made of refractory material, and there are stirring blades around the stirring head, which can stir the iron (steel) water through rotation, but the desulfurization stirring effect of the above stirring head is not very ideal.
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[0012] Such as figure 1 As shown, the KR spiral stirring device includes a stirring shaft 1 and a stirring blade 2 affixed to the bottom of the stirring shaft 1; a helical blade 4 is fixedly arranged on the stirring shaft 1; A refractory material layer 3 is arranged on the spiral blade 4; a core tube 5 is longitudinally arranged in the middle of the stirring shaft 1; and an apron 6 is fixedly arranged on the upper part of the stirring blade 2. The stirring blade 4 of the present invention is a right-angled trapezoid. There are four stirring blades 4 in the present invention, and they are 90 degrees to each other.
[0013] During specific operation, inert gas can be injected into the melt through the core tube 5 to increase the stirring efficiency of the stirring device. The spiral blade 4 has certain positive significance for improving the dynamic performance of the desulfurizer in the melt.
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The invention belongs to the field of desulfurization equipment in the metallurgy casting industry, and particularly relates to a KR screw-type stirring device. The KR screw-type stirring device comprises a stirring shaft (1) and stirring blades (2) which are fixedly connected with the lower portion of the stirring shaft (1). The stirring shaft (1) is fixedly provided with a screw blade (4). The stirring shaft (1), the stirring blades (2) and the screw blade (4) are provided with refractory material layers (3). A core tube (5) is arranged in the middle of the stirring shaft (1) in the longitudinal direction. The upper portions of the stirring blades (2) are fixedly provided with protective tables (6). The stirring blades (2) are right trapezoid bodies. The number of the stirring blades (2) is four, and the four stirring blades (2) are arranged in a 90-degree mode. The KR screw-type stirring device has the characteristics of being simple in structure, long in service life, low in cost, ideal in desulfurization stirring effect and the like.
Description
technical field [0001] The invention belongs to the field of desulfurization devices in the metallurgical casting industry, and in particular relates to a KR spiral stirring device. Background technique [0002] KR (Kambara Reactor) desulfurization method is a method of desulfurization of molten iron using mechanical stirring. When the iron (steel) water is desulfurized in the ladle, a certain amount of desulfurizer is added, and it is required to fully mix and react with the iron (steel) water. This requires mechanical stirring of the iron (steel) water. Due to the excellent desulfurization kinetic characteristics of KR (Kambara Reactor) stirring desulfurization, it has attracted extensive attention from domestic and foreign iron and steel enterprises. [0003] At present, there is a mechanical stirring device, the stirring head is made of refractory material, and stirring blades are arranged around the stirring head to stir the iron (steel) water through rotation, but th...
Claims
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Login to View More IPC IPC(8): C21C7/064C21C1/02
CPCC21C1/02C21C7/064
Inventor 陈学东于林辉陈树村
Owner 营口东邦环保科技股份有限公司